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Literature summary for 1.1.1.B19 extracted from
- Physiological and comparative genomic analysis of new isolated yeasts Spathaspora sp. JA1 and Meyerozyma caribbica JA9 reveal insights into xylitol production (2019), FEMS Yeast Res., 19, foz034 .
Cloned(Commentary)
| Cloned (Comment) | Organism |
|---|---|
| gene XDH, DNA and amino acid sequence determination and analysis, sequence comparisons | Meyerozyma guilliermondii |
| gene XDH, DNA and amino acid sequence determination and analysis, sequence comparisons and phylogenetic analysis | Meyerozyma caribbica |
| gene XDH, DNA and amino acid sequence determination and analysis, sequence comparisons and phylogenetic analysis | Spathaspora sp. JA1 |
Natural Substrates/ Products (Substrates)
| Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| xylitol + NAD+ | Meyerozyma guilliermondii | - |
L-xylulose + NADH + H+ | - |
? |  |
| xylitol + NAD+ | Meyerozyma caribbica | - |
L-xylulose + NADH + H+ | - |
? | |
| xylitol + NAD+ | Spathaspora sp. JA1 | - |
L-xylulose + NADH + H+ | - |
? | |
| xylitol + NAD+ | Meyerozyma guilliermondii NRRL Y-324 | - |
L-xylulose + NADH + H+ | - |
? | |
| xylitol + NAD+ | Meyerozyma caribbica JA9 | - |
L-xylulose + NADH + H+ | - |
? | |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Meyerozyma caribbica | - |
isolated from decaying wood samples collected in Brasilia, Distrito Federal, Brazil (S15-35'36.1'' WO47-44'28.2'') | - |
| Meyerozyma caribbica JA9 | - |
isolated from decaying wood samples collected in Brasilia, Distrito Federal, Brazil (S15-35'36.1'' WO47-44'28.2'') | - |
| Meyerozyma guilliermondii | - |
- |
- |
| Meyerozyma guilliermondii NRRL Y-324 | - |
- |
- |
| no activity in Spathaspora passalidarum strain NRRL Y-27 907 | - |
- |
- |
| Spathaspora sp. JA1 | - |
isolated from decaying wood samples collected in Brasilia, Distrito Federal, Brazil (S15-35'36.1'' WO47-44'28.2'') | - |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| xylitol + NAD+ | - |
Meyerozyma guilliermondii | L-xylulose + NADH + H+ | - |
? | |
| xylitol + NAD+ | - |
Meyerozyma caribbica | L-xylulose + NADH + H+ | - |
? | |
| xylitol + NAD+ | - |
Spathaspora sp. JA1 | L-xylulose + NADH + H+ | - |
? | |
| xylitol + NAD+ | - |
Meyerozyma guilliermondii NRRL Y-324 | L-xylulose + NADH + H+ | - |
? | |
| xylitol + NAD+ | - |
Meyerozyma caribbica JA9 | L-xylulose + NADH + H+ | - |
? | |
Synonyms
| Synonyms | Comment | Organism |
|---|---|---|
| NAD+-dependent xylitol-dehydrogenase | - |
Meyerozyma guilliermondii |
| NAD+-dependent xylitol-dehydrogenase | - |
Meyerozyma caribbica |
| NAD+-dependent xylitol-dehydrogenase | - |
Spathaspora sp. JA1 |
Temperature Optimum [°C]
| Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 30 | - |
assay at | Meyerozyma guilliermondii |
| 30 | - |
assay at | Meyerozyma caribbica |
| 30 | - |
assay at | Spathaspora sp. JA1 |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 7 | - |
xylitol oxidation assay at | Meyerozyma guilliermondii |
| 7 | - |
xylitol oxidation assay at | Meyerozyma caribbica |
| 7 | - |
xylitol oxidation assay at | Spathaspora sp. JA1 |
Cofactor
| Cofactor | Comment | Organism | Structure |
|---|---|---|---|
| NAD+ | - |
Meyerozyma guilliermondii | |
| NAD+ | - |
Meyerozyma caribbica | |
| NAD+ | - |
Spathaspora sp. JA1 | |
General Information
| General Information | Comment | Organism |
|---|---|---|
| evolution | the xylose metabolic pathway, i.e. XR, XDH and XK, is conserved among the xylitol-producing yeasts Spathaspora sp. JA1, Meyerozyma caribbica JA9 and Meyerozyma guilliermondii, but not in Spathaspora passalidarum, which possess two xylose reductases (XRs) | Meyerozyma guilliermondii |
| evolution | the xylose metabolic pathway, i.e. XR, XDH and XK, is conserved among the xylitol-producing yeasts Spathaspora sp. JA1, Meyerozyma caribbica JA9 and Meyerozyma guilliermondii, but not in Spathaspora passalidarum, which possess two xylose reductases (XRs) | Meyerozyma caribbica |
| evolution | the xylose metabolic pathway, i.e. XR, XDH and XK, is conserved among the xylitol-producing yeasts Spathaspora sp. JA1, Meyerozyma caribbica JA9 and Meyerozyma guilliermondii, but not in Spathaspora passalidarum, which possess two xylose reductases (XRs) | Spathaspora sp. JA1 |
| metabolism | the xylitol-producing yeast shows strictly NADPH-dependent xylose reductase and NAD+-dependent xylitol-dehydrogenase activities. This imbalance of cofactors favors the high xylitol yield. Spathaspora sp. JA1 is a strong xylitol producer, reaching product yield and productivity as high as 0.74 g/g and 0.20 g/l/h on xylose, and 0.58 g/g and 0.44 g/l/h on non-detoxified hydrolysate. Xylose assimilation analysis of the strain, overview | Spathaspora sp. JA1 |
| metabolism | the xylitol-producing yeast shows strictly NADPH-dependent xylose reductase and NAD+-dependent xylitol-dehydrogenase activities. This imbalance of cofactors favors the high xylitol yield. Xylose assimilation analysis of the strain, overview | Meyerozyma guilliermondii |
| metabolism | the xylitol-producing yeast shows strictly NADPH-dependent xylose reductase and NAD+-dependent xylitol-dehydrogenase activities. This imbalance of cofactors favors the high xylitol yield. Xylose assimilation analysis of the strain, overview | Meyerozyma caribbica |
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