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metabolism
catalyzes step 8 in the ornithine fermentation pathway
additional information
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the enzyme is a two-base racemase
evolution
phylogenetic and syntenic data support a single horizontal transfer to a Trypanosoma ancestor of a prokaryotic proline racemase implicated in parasite evasion from host defences. TryPRAC homologues as single copy genes per haploid genome in 12 of 15 Trypanosoma species, including Trypanosoma cruzi and Trypanosoma cruzi marinkellei, Trypanosoma dionisii, Trypanosoma erneyi, Trypanosoma rangeli, Trypanosoma conorhini and Trypanosoma lewisi, all parasites of mammals. Polymorphisms in TcPRAC genes match Trypanosoma cruzi genotypes: TcI-TcIV and Tcbat have unique genes, while the hybrids TcV and TcVI contain TcPRACA and TcPRACB from parental TcII and TcIII, respectively. PRAC homologues are identified in trypanosomes from anurans, snakes, crocodiles, lizards, and birds. Most trypanosomes have intact PRAC genes. Trypanosoma rangeli possesses only pseudogenes, maybe in the process of being lost. Trypanosoma brucei, Trypanosoma congolense and their allied species, except the more distantly related Trypanosoma vivax, have completely lost PRAC genes. The genealogy of TryPRAC homologs supports an evolutionary history congruent with the Trypanosoma phylogeny
evolution
-
phylogenetic and syntenic data support a single horizontal transference to a Trypanosoma ancestor of a prokaryotic proline racemase implicated in parasite evasion from host defences. TryPRAC homologues as single copy genes per haploid genome in 12 of 15 Trypanosoma species, including Trypanosoma cruzi and Trypanosoma cruzi marinkellei, Trypanosoma dionisii, Trypanosoma erneyi, Trypanosoma rangeli, Trypanosoma conorhini and Trypanosoma lewisi, all parasites of mammals. Polymorphisms in TcPRAC genes match Trypanosoma cruzi genotypes: TcI-TcIV and Tcbat have unique genes, while the hybrids TcV and TcVI contain TcPRACA and TcPRACB from parental TcII and TcIII, respectively. PRAC homologues are identified in trypanosomes from anurans, snakes, crocodiles, lizards, and birds. Most trypanosomes have intact PRAC genes. Trypanosoma rangeli possesses only pseudogenes, maybe in the process of being lost. Trypanosoma brucei, Trypanosoma congolense and their allied species, except the more distantly related Trypanosoma vivax, have completely lost PRAC genes. The genealogy of TryPRAC homologs supports an evolutionary history congruent with the Trypanosoma phylogeny
evolution
phylogenetic and syntenic data support a single horizontal transference to a Trypanosoma ancestor of a prokaryotic proline racemase implicated in parasite evasion from host defences. TryPRAC homologues as single copy genes per haploid genome in 12 of 15 Trypanosoma species, including Trypanosoma cruzi and Trypanosoma cruzi marinkellei, Trypanosoma dionisii, Trypanosoma erneyi, Trypanosoma rangeli, Trypanosoma conorhini and Trypanosoma lewisi, all parasites of mammals. Polymorphisms in TcPRAC genes match Trypanosoma cruzi genotypes: TcI-TcIV and Tcbat have unique genes, while the hybrids TcV and TcVI contain TcPRACA and TcPRACB from parental TcII and TcIII, respectively. PRAC homologues are identified in trypanosomes from anurans, snakes, crocodiles, lizards, and birds. Most trypanosomes have intact PRAC genes. Trypanosoma rangeli possesses only pseudogenes, maybe in the process of being lost. Trypanosoma brucei, Trypanosoma congolense and their allied species, except the more distantly related Trypanosoma vivax, have completely lost PRAC genes. The genealogy of TryPRAC homologs supports an evolutionary history congruent with the Trypanosoma phylogeny
evolution
-
phylogenetic and syntenic data support a single horizontal transference to a Trypanosoma ancestor of a prokaryotic proline racemase implicated in parasite evasion from host defences. TryPRAC homologues as single copy genes per haploid genome in 12 of 15 Trypanosoma species, including Trypanosoma cruzi and Trypanosoma cruzi marinkellei, Trypanosoma dionisii, Trypanosoma erneyi, Trypanosoma rangeli, Trypanosoma conorhini and Trypanosoma lewisi, all parasites of mammals. Polymorphisms in TcPRAC genes match Trypanosoma cruzi genotypes: TcI-TcIV and Tcbat have unique genes, while the hybrids TcV and TcVI contain TcPRACA and TcPRACB from parental TcII and TcIII, respectively. PRAC homologues are identified in trypanosomes from anurans, snakes, crocodiles, lizards, and birds. Most trypanosomes have intact PRAC genes. Trypanosoma rangeli possesses only pseudogenes, maybe in the process of being lost. Trypanosoma brucei, Trypanosoma congolense and their allied species, except the more distantly related Trypanosoma vivax, have completely lost PRAC genes. The genealogy of TryPRAC homologs supports an evolutionary history congruent with the Trypanosoma phylogeny
evolution
phylogenetic and syntenic data support a single horizontal transference to a Trypanosoma ancestor of a prokaryotic proline racemase implicated in parasite evasion from host defences. TryPRAC homologues as single copy genes per haploid genome in 12 of 15 Trypanosoma species, including Trypanosoma cruzi and Trypanosoma cruzi marinkellei, Trypanosoma dionisii, Trypanosoma erneyi, Trypanosoma rangeli, Trypanosoma conorhini and Trypanosoma lewisi, all parasites of mammals. Polymorphisms in TcPRAC genes match Trypanosoma cruzi genotypes: TcI-TcIV and Tcbat have unique genes, while the hybrids TcV and TcVI contain TcPRACA and TcPRACB from parental TcII and TcIII, respectively. PRAC homologues are identified in trypanosomes from anurans, snakes, crocodiles, lizards, and birds. Most trypanosomes have intact PRAC genes. Trypanosoma rangeli possesses only pseudogenes, maybe in the process of being lost. Trypanosoma brucei, Trypanosoma congolense and their allied species, except the more distantly related Trypanosoma vivax, have completely lost PRAC genes. The genealogy of TryPRAC homologs supports an evolutionary history congruent with the Trypanosoma phylogeny
evolution
phylogenetic and syntenic data support a single horizontal transference to a Trypanosoma ancestor of a prokaryotic proline racemase implicated in parasite evasion from host defences. TryPRAC homologues as single copy genes per haploid genome in 12 of 15 Trypanosoma species, including Trypanosoma cruzi and Trypanosoma cruzi marinkellei, Trypanosoma dionisii, Trypanosoma erneyi, Trypanosoma rangeli, Trypanosoma conorhini and Trypanosoma lewisi, all parasites of mammals. Polymorphisms in TcPRAC genes match Trypanosoma cruzi genotypes: TcI-TcIV and Tcbat have unique genes, while the hybrids TcV and TcVI contain TcPRACA and TcPRACB from parental TcII and TcIII, respectively. PRAC homologues are identified in trypanosomes from anurans, snakes, crocodiles, lizards, and birds. Most trypanosomes have intact PRAC genes. Trypanosoma rangeli possesses only pseudogenes, maybe in the process of being lost. Trypanosoma brucei, Trypanosoma congolense and their allied species, except the more distantly related Trypanosoma vivax, have completely lost PRAC genes. The genealogy of TryPRAC homologs supports an evolutionary history congruent with the Trypanosoma phylogeny
evolution
phylogenetic and syntenic data support a single horizontal transference to a Trypanosoma ancestor of a prokaryotic proline racemase implicated in parasite evasion from host defences. TryPRAC homologues as single copy genes per haploid genome in 12 of 15 Trypanosoma species, including Trypanosoma cruzi and Trypanosoma cruzi marinkellei, Trypanosoma dionisii, Trypanosoma erneyi, Trypanosoma rangeli, Trypanosoma conorhini and Trypanosoma lewisi, all parasites of mammals. Polymorphisms in TcPRAC genes match Trypanosoma cruzi genotypes: TcI-TcIV and Tcbat have unique genes, while the hybrids TcV and TcVI contain TcPRACA and TcPRACB from parental TcII and TcIII, respectively. PRAC homologues are identified in trypanosomes from anurans, snakes, crocodiles, lizards, and birds. Most trypanosomes have intact PRAC genes. Trypanosoma rangeli possesses only pseudogenes, maybe in the process of being lost. Trypanosoma brucei, Trypanosoma congolense and their allied species, except the more distantly related Trypanosoma vivax, have completely lost PRAC genes. The genealogy of TryPRAC homologs supports an evolutionary history congruent with the Trypanosoma phylogeny
evolution
phylogenetic and syntenic data support a single horizontal transference to a Trypanosoma ancestor of a prokaryotic proline racemase implicated in parasite evasion from host defences. TryPRAC homologues as single copy genes per haploid genome in 12 of 15 Trypanosoma species, including Trypanosoma cruzi and Trypanosoma cruzi marinkellei, Trypanosoma dionisii, Trypanosoma erneyi, Trypanosoma rangeli, Trypanosoma conorhini and Trypanosoma lewisi, all parasites of mammals. Polymorphisms in TcPRAC genes match Trypanosoma cruzi genotypes: TcI-TcIV and Tcbat have unique genes, while the hybrids TcV and TcVI contain TcPRACA and TcPRACB from parental TcII and TcIII, respectively. PRAC homologues are identified in trypanosomes from anurans, snakes, crocodiles, lizards, and birds. Most trypanosomes have intact PRAC genes. Trypanosoma rangeli possesses only pseudogenes, maybe in the process of being lost. Trypanosoma brucei, Trypanosoma congolense and their allied species, except the more distantly related Trypanosoma vivax, have completely lost PRAC genes. The genealogy of TryPRAC homologs supports an evolutionary history congruent with the Trypanosoma phylogeny
evolution
phylogenetic and syntenic data support a single horizontal transference to a Trypanosoma ancestor of a prokaryotic proline racemase implicated in parasite evasion from host defences. TryPRAC homologues as single copy genes per haploid genome in 12 of 15 Trypanosoma species, including Trypanosoma cruzi and Trypanosoma cruzi marinkellei, Trypanosoma dionisii, Trypanosoma erneyi, Trypanosoma rangeli, Trypanosoma conorhini and Trypanosoma lewisi, all parasites of mammals. Polymorphisms in TcPRAC genes match Trypanosoma cruzi genotypes: TcI-TcIV and Tcbat have unique genes, while the hybrids TcV and TcVI contain TcPRACA and TcPRACB from parental TcII and TcIII, respectively. PRAC homologues are identified in trypanosomes from anurans, snakes, crocodiles, lizards, and birds. Most trypanosomes have intact PRAC genes. Trypanosoma rangeli possesses only pseudogenes, maybe in the process of being lost. Trypanosoma brucei, Trypanosoma congolense and their allied species, except the more distantly related Trypanosoma vivax, have completely lost PRAC genes. The genealogy of TryPRAC homologs supports an evolutionary history congruent with the Trypanosoma phylogeny
evolution
phylogenetic and syntenic data support a single horizontal transference to a Trypanosoma ancestor of a prokaryotic proline racemase implicated in parasite evasion from host defences. TryPRAC homologues as single copy genes per haploid genome in 12 of 15 Trypanosoma species, including Trypanosoma cruzi and Trypanosoma cruzi marinkellei, Trypanosoma dionisii, Trypanosoma erneyi, Trypanosoma rangeli, Trypanosoma conorhini and Trypanosoma lewisi, all parasites of mammals. Polymorphisms in TcPRAC genes match Trypanosoma cruzi genotypes: TcI-TcIV and Tcbat have unique genes, while the hybrids TcV and TcVI contain TcPRACA and TcPRACB from parental TcII and TcIII, respectively. PRAC homologues are identified in trypanosomes from anurans, snakes, crocodiles, lizards, and birds. Most trypanosomes have intact PRAC genes. Trypanosoma rangeli possesses only pseudogenes, maybe in the process of being lost. Trypanosoma brucei, Trypanosoma congolense and their allied species, except the more distantly related Trypanosoma vivax, have completely lost PRAC genes. The genealogy of TryPRAC homologs supports an evolutionary history congruent with the Trypanosoma phylogeny
evolution
phylogenetic and syntenic data support a single horizontal transference to a Trypanosoma ancestor of a prokaryotic proline racemase implicated in parasite evasion from host defences. TryPRAC homologues as single copy genes per haploid genome in 12 of 15 Trypanosoma species, including Trypanosoma cruzi and Trypanosoma cruzi marinkellei, Trypanosoma dionisii, Trypanosoma erneyi, Trypanosoma rangeli, Trypanosoma conorhini and Trypanosoma lewisi, all parasites of mammals. Polymorphisms in TcPRAC genes match Trypanosoma cruzi genotypes: TcI-TcIV and Tcbat have unique genes, while the hybrids TcV and TcVI contain TcPRACA and TcPRACB from parental TcII and TcIII, respectively. PRAC homologues are identified in trypanosomes from anurans, snakes, crocodiles, lizards, and birds. Most trypanosomes have intact PRAC genes. Trypanosoma rangeli possesses only pseudogenes, maybe in the process of being lost. Trypanosoma brucei, Trypanosoma congolense and their allied species, except the more distantly related Trypanosoma vivax, have completely lost PRAC genes. The genealogy of TryPRAC homologs supports an evolutionary history congruent with the Trypanosoma phylogeny
evolution
phylogenetic and syntenic data support a single horizontal transference to a Trypanosoma ancestor of a prokaryotic proline racemase implicated in parasite evasion from host defences. TryPRAC homologues as single copy genes per haploid genome in 12 of 15 Trypanosoma species, including Trypanosoma cruzi and Trypanosoma cruzi marinkellei, Trypanosoma dionisii, Trypanosoma erneyi, Trypanosoma rangeli, Trypanosoma conorhini and Trypanosoma lewisi, all parasites of mammals. Polymorphisms in TcPRAC genes match Trypanosoma cruzi genotypes: TcI-TcIV and Tcbat have unique genes, while the hybrids TcV and TcVI contain TcPRACA and TcPRACB from parental TcII and TcIII, respectively. PRAC homologues are identified in trypanosomes from anurans, snakes, crocodiles, lizards, and birds. Most trypanosomes have intact PRAC genes. Trypanosoma rangeli possesses only pseudogenes, maybe in the process of being lost. Trypanosoma brucei, Trypanosoma congolense and their allied species, except the more distantly related Trypanosoma vivax, have completely lost PRAC genes. The genealogy of TryPRAC homologs supports an evolutionary history congruent with the Trypanosoma phylogeny
evolution
-
phylogenetic and syntenic data support a single horizontal transference to a Trypanosoma ancestor of a prokaryotic proline racemase implicated in parasite evasion from host defences. TryPRAC homologues as single copy genes per haploid genome in 12 of 15 Trypanosoma species, including Trypanosoma cruzi and Trypanosoma cruzi marinkellei, Trypanosoma dionisii, Trypanosoma erneyi, Trypanosoma rangeli, Trypanosoma conorhini and Trypanosoma lewisi, all parasites of mammals. Polymorphisms in TcPRAC genes match Trypanosoma cruzi genotypes: TcI-TcIV and Tcbat have unique genes, while the hybrids TcV and TcVI contain TcPRACA and TcPRACB from parental TcII and TcIII, respectively. PRAC homologues are identified in trypanosomes from anurans, snakes, crocodiles, lizards, and birds. Most trypanosomes have intact PRAC genes. Trypanosoma rangeli possesses only pseudogenes, maybe in the process of being lost. Trypanosoma brucei, Trypanosoma congolense and their allied species, except the more distantly related Trypanosoma vivax, have completely lost PRAC genes. The genealogy of TryPRAC homologs supports an evolutionary history congruent with the Trypanosoma phylogeny
evolution
-
phylogenetic and syntenic data support a single horizontal transference to a Trypanosoma ancestor of a prokaryotic proline racemase implicated in parasite evasion from host defences. TryPRAC homologues as single copy genes per haploid genome in 12 of 15 Trypanosoma species, including Trypanosoma cruzi and Trypanosoma cruzi marinkellei, Trypanosoma dionisii, Trypanosoma erneyi, Trypanosoma rangeli, Trypanosoma conorhini and Trypanosoma lewisi, all parasites of mammals. Polymorphisms in TcPRAC genes match Trypanosoma cruzi genotypes: TcI-TcIV and Tcbat have unique genes, while the hybrids TcV and TcVI contain TcPRACA and TcPRACB from parental TcII and TcIII, respectively. PRAC homologues are identified in trypanosomes from anurans, snakes, crocodiles, lizards, and birds. Most trypanosomes have intact PRAC genes. Trypanosoma rangeli possesses only pseudogenes, maybe in the process of being lost. Trypanosoma brucei, Trypanosoma congolense and their allied species, except the more distantly related Trypanosoma vivax, have completely lost PRAC genes. The genealogy of TryPRAC homologs supports an evolutionary history congruent with the Trypanosoma phylogeny
-
evolution
-
phylogenetic and syntenic data support a single horizontal transference to a Trypanosoma ancestor of a prokaryotic proline racemase implicated in parasite evasion from host defences. TryPRAC homologues as single copy genes per haploid genome in 12 of 15 Trypanosoma species, including Trypanosoma cruzi and Trypanosoma cruzi marinkellei, Trypanosoma dionisii, Trypanosoma erneyi, Trypanosoma rangeli, Trypanosoma conorhini and Trypanosoma lewisi, all parasites of mammals. Polymorphisms in TcPRAC genes match Trypanosoma cruzi genotypes: TcI-TcIV and Tcbat have unique genes, while the hybrids TcV and TcVI contain TcPRACA and TcPRACB from parental TcII and TcIII, respectively. PRAC homologues are identified in trypanosomes from anurans, snakes, crocodiles, lizards, and birds. Most trypanosomes have intact PRAC genes. Trypanosoma rangeli possesses only pseudogenes, maybe in the process of being lost. Trypanosoma brucei, Trypanosoma congolense and their allied species, except the more distantly related Trypanosoma vivax, have completely lost PRAC genes. The genealogy of TryPRAC homologs supports an evolutionary history congruent with the Trypanosoma phylogeny
-
evolution
-
phylogenetic and syntenic data support a single horizontal transference to a Trypanosoma ancestor of a prokaryotic proline racemase implicated in parasite evasion from host defences. TryPRAC homologues as single copy genes per haploid genome in 12 of 15 Trypanosoma species, including Trypanosoma cruzi and Trypanosoma cruzi marinkellei, Trypanosoma dionisii, Trypanosoma erneyi, Trypanosoma rangeli, Trypanosoma conorhini and Trypanosoma lewisi, all parasites of mammals. Polymorphisms in TcPRAC genes match Trypanosoma cruzi genotypes: TcI-TcIV and Tcbat have unique genes, while the hybrids TcV and TcVI contain TcPRACA and TcPRACB from parental TcII and TcIII, respectively. PRAC homologues are identified in trypanosomes from anurans, snakes, crocodiles, lizards, and birds. Most trypanosomes have intact PRAC genes. Trypanosoma rangeli possesses only pseudogenes, maybe in the process of being lost. Trypanosoma brucei, Trypanosoma congolense and their allied species, except the more distantly related Trypanosoma vivax, have completely lost PRAC genes. The genealogy of TryPRAC homologs supports an evolutionary history congruent with the Trypanosoma phylogeny
-
evolution
-
phylogenetic and syntenic data support a single horizontal transference to a Trypanosoma ancestor of a prokaryotic proline racemase implicated in parasite evasion from host defences. TryPRAC homologues as single copy genes per haploid genome in 12 of 15 Trypanosoma species, including Trypanosoma cruzi and Trypanosoma cruzi marinkellei, Trypanosoma dionisii, Trypanosoma erneyi, Trypanosoma rangeli, Trypanosoma conorhini and Trypanosoma lewisi, all parasites of mammals. Polymorphisms in TcPRAC genes match Trypanosoma cruzi genotypes: TcI-TcIV and Tcbat have unique genes, while the hybrids TcV and TcVI contain TcPRACA and TcPRACB from parental TcII and TcIII, respectively. PRAC homologues are identified in trypanosomes from anurans, snakes, crocodiles, lizards, and birds. Most trypanosomes have intact PRAC genes. Trypanosoma rangeli possesses only pseudogenes, maybe in the process of being lost. Trypanosoma brucei, Trypanosoma congolense and their allied species, except the more distantly related Trypanosoma vivax, have completely lost PRAC genes. The genealogy of TryPRAC homologs supports an evolutionary history congruent with the Trypanosoma phylogeny
-
evolution
-
phylogenetic and syntenic data support a single horizontal transference to a Trypanosoma ancestor of a prokaryotic proline racemase implicated in parasite evasion from host defences. TryPRAC homologues as single copy genes per haploid genome in 12 of 15 Trypanosoma species, including Trypanosoma cruzi and Trypanosoma cruzi marinkellei, Trypanosoma dionisii, Trypanosoma erneyi, Trypanosoma rangeli, Trypanosoma conorhini and Trypanosoma lewisi, all parasites of mammals. Polymorphisms in TcPRAC genes match Trypanosoma cruzi genotypes: TcI-TcIV and Tcbat have unique genes, while the hybrids TcV and TcVI contain TcPRACA and TcPRACB from parental TcII and TcIII, respectively. PRAC homologues are identified in trypanosomes from anurans, snakes, crocodiles, lizards, and birds. Most trypanosomes have intact PRAC genes. Trypanosoma rangeli possesses only pseudogenes, maybe in the process of being lost. Trypanosoma brucei, Trypanosoma congolense and their allied species, except the more distantly related Trypanosoma vivax, have completely lost PRAC genes. The genealogy of TryPRAC homologs supports an evolutionary history congruent with the Trypanosoma phylogeny
-
evolution
-
phylogenetic and syntenic data support a single horizontal transference to a Trypanosoma ancestor of a prokaryotic proline racemase implicated in parasite evasion from host defences. TryPRAC homologues as single copy genes per haploid genome in 12 of 15 Trypanosoma species, including Trypanosoma cruzi and Trypanosoma cruzi marinkellei, Trypanosoma dionisii, Trypanosoma erneyi, Trypanosoma rangeli, Trypanosoma conorhini and Trypanosoma lewisi, all parasites of mammals. Polymorphisms in TcPRAC genes match Trypanosoma cruzi genotypes: TcI-TcIV and Tcbat have unique genes, while the hybrids TcV and TcVI contain TcPRACA and TcPRACB from parental TcII and TcIII, respectively. PRAC homologues are identified in trypanosomes from anurans, snakes, crocodiles, lizards, and birds. Most trypanosomes have intact PRAC genes. Trypanosoma rangeli possesses only pseudogenes, maybe in the process of being lost. Trypanosoma brucei, Trypanosoma congolense and their allied species, except the more distantly related Trypanosoma vivax, have completely lost PRAC genes. The genealogy of TryPRAC homologs supports an evolutionary history congruent with the Trypanosoma phylogeny
-
evolution
-
phylogenetic and syntenic data support a single horizontal transference to a Trypanosoma ancestor of a prokaryotic proline racemase implicated in parasite evasion from host defences. TryPRAC homologues as single copy genes per haploid genome in 12 of 15 Trypanosoma species, including Trypanosoma cruzi and Trypanosoma cruzi marinkellei, Trypanosoma dionisii, Trypanosoma erneyi, Trypanosoma rangeli, Trypanosoma conorhini and Trypanosoma lewisi, all parasites of mammals. Polymorphisms in TcPRAC genes match Trypanosoma cruzi genotypes: TcI-TcIV and Tcbat have unique genes, while the hybrids TcV and TcVI contain TcPRACA and TcPRACB from parental TcII and TcIII, respectively. PRAC homologues are identified in trypanosomes from anurans, snakes, crocodiles, lizards, and birds. Most trypanosomes have intact PRAC genes. Trypanosoma rangeli possesses only pseudogenes, maybe in the process of being lost. Trypanosoma brucei, Trypanosoma congolense and their allied species, except the more distantly related Trypanosoma vivax, have completely lost PRAC genes. The genealogy of TryPRAC homologs supports an evolutionary history congruent with the Trypanosoma phylogeny
-
evolution
-
phylogenetic and syntenic data support a single horizontal transference to a Trypanosoma ancestor of a prokaryotic proline racemase implicated in parasite evasion from host defences. TryPRAC homologues as single copy genes per haploid genome in 12 of 15 Trypanosoma species, including Trypanosoma cruzi and Trypanosoma cruzi marinkellei, Trypanosoma dionisii, Trypanosoma erneyi, Trypanosoma rangeli, Trypanosoma conorhini and Trypanosoma lewisi, all parasites of mammals. Polymorphisms in TcPRAC genes match Trypanosoma cruzi genotypes: TcI-TcIV and Tcbat have unique genes, while the hybrids TcV and TcVI contain TcPRACA and TcPRACB from parental TcII and TcIII, respectively. PRAC homologues are identified in trypanosomes from anurans, snakes, crocodiles, lizards, and birds. Most trypanosomes have intact PRAC genes. Trypanosoma rangeli possesses only pseudogenes, maybe in the process of being lost. Trypanosoma brucei, Trypanosoma congolense and their allied species, except the more distantly related Trypanosoma vivax, have completely lost PRAC genes. The genealogy of TryPRAC homologs supports an evolutionary history congruent with the Trypanosoma phylogeny
-
evolution
-
phylogenetic and syntenic data support a single horizontal transference to a Trypanosoma ancestor of a prokaryotic proline racemase implicated in parasite evasion from host defences. TryPRAC homologues as single copy genes per haploid genome in 12 of 15 Trypanosoma species, including Trypanosoma cruzi and Trypanosoma cruzi marinkellei, Trypanosoma dionisii, Trypanosoma erneyi, Trypanosoma rangeli, Trypanosoma conorhini and Trypanosoma lewisi, all parasites of mammals. Polymorphisms in TcPRAC genes match Trypanosoma cruzi genotypes: TcI-TcIV and Tcbat have unique genes, while the hybrids TcV and TcVI contain TcPRACA and TcPRACB from parental TcII and TcIII, respectively. PRAC homologues are identified in trypanosomes from anurans, snakes, crocodiles, lizards, and birds. Most trypanosomes have intact PRAC genes. Trypanosoma rangeli possesses only pseudogenes, maybe in the process of being lost. Trypanosoma brucei, Trypanosoma congolense and their allied species, except the more distantly related Trypanosoma vivax, have completely lost PRAC genes. The genealogy of TryPRAC homologs supports an evolutionary history congruent with the Trypanosoma phylogeny
-
evolution
-
phylogenetic and syntenic data support a single horizontal transference to a Trypanosoma ancestor of a prokaryotic proline racemase implicated in parasite evasion from host defences. TryPRAC homologues as single copy genes per haploid genome in 12 of 15 Trypanosoma species, including Trypanosoma cruzi and Trypanosoma cruzi marinkellei, Trypanosoma dionisii, Trypanosoma erneyi, Trypanosoma rangeli, Trypanosoma conorhini and Trypanosoma lewisi, all parasites of mammals. Polymorphisms in TcPRAC genes match Trypanosoma cruzi genotypes: TcI-TcIV and Tcbat have unique genes, while the hybrids TcV and TcVI contain TcPRACA and TcPRACB from parental TcII and TcIII, respectively. PRAC homologues are identified in trypanosomes from anurans, snakes, crocodiles, lizards, and birds. Most trypanosomes have intact PRAC genes. Trypanosoma rangeli possesses only pseudogenes, maybe in the process of being lost. Trypanosoma brucei, Trypanosoma congolense and their allied species, except the more distantly related Trypanosoma vivax, have completely lost PRAC genes. The genealogy of TryPRAC homologs supports an evolutionary history congruent with the Trypanosoma phylogeny
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evolution
-
phylogenetic and syntenic data support a single horizontal transfer to a Trypanosoma ancestor of a prokaryotic proline racemase implicated in parasite evasion from host defences. TryPRAC homologues as single copy genes per haploid genome in 12 of 15 Trypanosoma species, including Trypanosoma cruzi and Trypanosoma cruzi marinkellei, Trypanosoma dionisii, Trypanosoma erneyi, Trypanosoma rangeli, Trypanosoma conorhini and Trypanosoma lewisi, all parasites of mammals. Polymorphisms in TcPRAC genes match Trypanosoma cruzi genotypes: TcI-TcIV and Tcbat have unique genes, while the hybrids TcV and TcVI contain TcPRACA and TcPRACB from parental TcII and TcIII, respectively. PRAC homologues are identified in trypanosomes from anurans, snakes, crocodiles, lizards, and birds. Most trypanosomes have intact PRAC genes. Trypanosoma rangeli possesses only pseudogenes, maybe in the process of being lost. Trypanosoma brucei, Trypanosoma congolense and their allied species, except the more distantly related Trypanosoma vivax, have completely lost PRAC genes. The genealogy of TryPRAC homologs supports an evolutionary history congruent with the Trypanosoma phylogeny
-
physiological function
enzyme is a T-cell-independent B-cell mitogen, enzyme displays mitogenic activity towards splenic cells from euthymic Swiss mice, since addition of 0.1 mg/ml of recombinant protein promotes a 13fold increase of thymidine incorporation when compared with untreated cells, mitogenic activity of recombinant enzyme seems to be dependent on the active enzyme, since inhibition with 10 mM pyrrole-2-carboxylic acid prior to its incubation with splenocytes specifically decreases proliferation by 44%, enzyme triggers high levels of B-cell activation, terminal differentiation and antibody secretion
physiological function
-
proline racemase is an effective mitogen for B cells, thus contributing to the parasites immune evasion and persistence in the human host
physiological function
proline racemase participates in mechanisms of virulence acquisition
physiological function
-
proline racemase is a T-cell-independent B-cell mitogen, stimulation of murine splenocytes with recombinant proline racemase C induces B-cell proliferation, antibody secretion, interleukin-10 production, and upregulation of CD69 and CD86 on B cells
physiological function
-
inactivation of proline racemase PrdF by insertional mutagenesis does not affect early logarithmic growth but only attenuates growth in the mid- and late logarithmic phases. There is no effect of inactivation on virulence in vivo
physiological function
-
proline racemase is a T-cell-independent B-cell mitogen, stimulation of murine splenocytes with recombinant proline racemase C induces B-cell proliferation, antibody secretion, interleukin-10 production, and upregulation of CD69 and CD86 on B cells
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Stadtman, T.C.; Elliott, P.
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Acetoanaerobium sticklandii
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Acetoanaerobium sticklandii
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Biochemistry
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Acetoanaerobium sticklandii
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Biochemistry
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Acetoanaerobium sticklandii
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Energetics of proline racemase: transition-state fractionation factors for the two protons involved in the catalytic steps
Biochemistry
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1986
Acetoanaerobium sticklandii
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Biochemistry
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2564-2571
1986
Acetoanaerobium sticklandii
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Fisher, L.M.; Albery, W.J.; Knowles, J.R.
Energetics of proline racemase: tracer perturbation experiments using [14C]proline that measure the interconversion rate of the two forms of free enzyme
Biochemistry
25
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1986
Acetoanaerobium sticklandii
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Belasco, J.G.; Bruice, T.W.; Albery, W.J.; Knowles, J.R.
Energetics of proline racemase: fractionation factors for the essential catalytic groups in the enzyme-substrate complexes
Biochemistry
25
2558-2564
1986
Acetoanaerobium sticklandii
brenda
Albery, W.J.; Knowles, J.R.
Energetics and mechanism of proline racemase
Biochemistry
25
2572-2577
1986
Acetoanaerobium sticklandii
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Belasco, J.G.; Albery, W.J.; Knowles, J.R.
Energetics of proline racemase: double fractionation experiment, a test for concertedness and for transition-state dominance
Biochemistry
25
2552-2558
1986
Acetoanaerobium sticklandii
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Biochemical characterization of proline racemases from the human protozoan parasite Trypanosoma cruzi and definition of putative protein signatures
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278
15484-15494
2003
Trypanosoma cruzi (Q4DA80), Trypanosoma cruzi (Q868H8), Trypanosoma cruzi
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A B-cell mitogen from a pathogenic trypanosome is a eukaryotic proline racemase
Nat. Med.
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2000
Trypanosoma cruzi (Q4DA80), Trypanosoma cruzi
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2005
Trypanosoma cruzi (Q4DA80), Trypanosoma cruzi
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The Catalytic Activity of Proline Racemase: A Quantum Mechanical/Molecular Mechanical Study
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2008
Trypanosoma cruzi, Trypanosoma cruzi (Q4DA80)
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Goytia, M.; Chamond, N.; Cosson, A.; Coatnoan, N.; Hermant, D.; Berneman, A.; Minoprio, P.
Molecular and structural discrimination of proline racemase and hydroxyproline-2-epimerase from nosocomial and bacterial pathogens
PLoS ONE
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2007
Clostridioides difficile (A8DEZ8), Clostridioides difficile VPI10463 (A8DEZ8)
brenda
Buschiazzo, A.; Goytia, M.; Schaeffer, F.; Degrave, W.; Shepard, W.; Gregoire, C.; Chamond, N.; Cosson, A.; Berneman, A.; Coatnoan, N.; Alzari, P.M.; Minoprio, P.
Crystal structure, catalytic mechanism, and mitogenic properties of Trypanosoma cruzi proline racemase
Proc. Natl. Acad. Sci. USA
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2006
Trypanosoma cruzi (Q4DA80), Trypanosoma cruzi
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2009
Trypanosoma cruzi
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A conserved gene cluster rules anaerobic oxidative degradation of L-ornithine
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2009
Acetoanaerobium sticklandii (Q9L4Q3)
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Inhibition of Trypanosoma cruzi proline racemase affects host-parasite interactions and the outcome of in vitro infection
Mem. Inst. Oswaldo Cruz
104
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2009
Trypanosoma cruzi
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Coatnoan, N.; Berneman, A.; Chamond, N.; Minoprio, P.
Proline racemases: Insights into Trypanosoma cruzi peptides containing D-proline
Mem. Inst. Oswaldo Cruz
104
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2009
Trypanosoma cruzi (Q4DA80), Trypanosoma cruzi (Q868H8), Trypanosoma cruzi
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Chamond, N.; Cosson, A.; Coatnoan, N.; Minoprio, P.
Proline racemases are conserved mitogens: characterization of a Trypanosoma vivax proline racemase
Mol. Biochem. Parasitol.
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2009
Trypanosoma vivax (B8LFE4), Trypanosoma vivax
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Bryan, M.; Norris, K.
Genetic immunization converts the Trypanosoma cruzi B-cell mitogen proline racemase to an effective immunogen
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Trypanosoma cruzi, Trypanosoma cruzi Y
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Harty, M.; Nagar, M.; Atkinson, L.; Legay, C.M.; Derksen, D.J.; Bearne, S.L.
Inhibition of serine and proline racemases by substrate-product analogues
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24
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2014
Acetoanaerobium sticklandii
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Wu, X.; Hurdle, J.G.
The Clostridium difficile proline racemase is not essential for early logarithmic growth and infection
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2014
Clostridioides difficile
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Berneman, A.; Montout, L.; Goyard, S.; Chamond, N.; Cosson, A.; dArchivio, S.; Gouault, N.; Uriac, P.; Blondel, A.; Minoprio, P.
Combined approaches for drug design points the way to novel proline racemase inhibitor candidates to fight Chagas disease
PLoS ONE
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2013
Trypanosoma cruzi
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Watanabe, S.; Tanimoto, Y.; Nishiwaki, H.; Watanabe, Y.
Identification and characterization of bifunctional proline racemase/hydroxyproline epimerase from archaea: discrimination of substrates and molecular evolution
PLoS One
10
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2015
Thermococcus litoralis (H3ZMH5), Thermococcus litoralis, Haloarcula japonica (M0LMI3), Clostridioides difficile (Q17ZY4), Ferroplasma acidarmanus (S0APF4), Thermococcus litoralis DSM 5473 (H3ZMH5), Haloarcula japonica DSM 6131 (M0LMI3)
brenda
Caballero, Z.C.; Costa-Martins, A.G.; Ferreira, R.C.; P Alves, J.M.; Serrano, M.G.; Camargo, E.P.; Buck, G.A.; Minoprio, P.; G Teixeira, M.M.
Phylogenetic and syntenic data support a single horizontal transference to a Trypanosoma ancestor of a prokaryotic proline racemase implicated in parasite evasion from host defences
Parasit. Vectors
8
222
2015
Trypanosoma dionisii, Trypanosoma rangeli, no activity in Trypanosoma brucei, Trypanosoma grayi, no activity in Trypanosoma congolense, Trypanosoma serpentis (A0A0F6SCP6), Trypanosoma cruzi marinkellei (A0A0F6VXD6), Trypanosoma sp. (A0A0F6VXD9), Trypanosoma erneyi (A0A0F6VXE2), Trypanosoma sp. TCC878 (A0A0F6VXE6), Trypanosoma lewisi (A0A0F6VXM2), Trypanosoma lewisi, Trypanosoma sp. TCC339 (A0A0F6YER1), Trypanosoma conorhini (A0A0F6YF18), Trypanosoma conorhini, Trypanosoma vivax (B8LFE4), Trypanosoma vivax, Trypanosoma cruzi (Q4DA80), Trypanosoma cruzi (Q868H8), Trypanosoma cruzi, Trypanosoma conorhini TCC025 (A0A0F6YF18), Trypanosoma dionisii TCC211, Trypanosoma sp. TCC878 RCF-2014 (A0A0F6VXE6), Trypanosoma cruzi CL Brener (Q4DA80), Trypanosoma cruzi CL Brener (Q868H8), Trypanosoma sp. TCC1825 / RCF-2014 (A0A0F6VXD9), Trypanosoma lewisi TCC034 (A0A0F6VXM2), Trypanosoma erneyi TCC1946 (A0A0F6VXE2), Trypanosoma serpentis TCC1052 (A0A0F6SCP6), Trypanosoma grayi ANR4, Trypanosoma cruzi marinkellei TCC344 (A0A0F6VXD6), Trypanosoma vivax Y486 (B8LFE4)
brenda
Fikru, R.; Hagos, A.; Roge, S.; Reyna-Bello, A.; Gonzatti, M.I.; Merga, B.; Goddeeris, B.M.; Buescher, P.
A proline racemase based PCR for identification of Trypanosoma vivax in cattle blood
PLoS ONE
9
e84819
2014
Trypanosoma vivax (B8LFE4), Trypanosoma vivax, Trypanosoma vivax ILRAD 1392 (B8LFE4)
brenda