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Literature summary extracted from

  • Yan, J.; Aboshi, T.; Teraishi, M.; Strickler, S.R.; Spindel, J.E.; Tung, C.W.; Takata, R.; Matsumoto, F.; Maesaka, Y.; McCouch, S.R.; Okumoto, Y.; Mori, N.; Jander, G.
    The tyrosine aminomutase TAM1 is required for beta-tyrosine biosynthesis in rice (2015), Plant Cell, 27, 1265-1278 .
    View publication on PubMedView publication on EuropePMC

Cloned(Commentary)

EC Number Cloned (Comment) Organism
5.4.3.6 gene TAM1, gene mapping to chromosome 12, transient expression in Nicotiana benthamiana Oryza sativa Japonica Group

Protein Variants

EC Number Protein Variants Comment Organism
5.4.3.6 additional information a point mutation in TAM1 eliminates beta-tyrosine production in cultivar Nipponbare, TILLING enzyme knockout mutant Oryza sativa Japonica Group

Inhibitors

EC Number Inhibitors Comment Organism Structure
5.4.3.6 additional information hemipteran and lepidopteran herbivores show no negative effects at physiologically relevant beta-tyrosine concentrations Oryza sativa Japonica Group

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
5.4.3.6 L-tyrosine Oryza sativa Japonica Group
-
 3-amino-3-(4-hydroxyphenyl)propanoate
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
5.4.3.6 Oryza sativa Japonica Group
-
 cv. Nipponbare
-

Source Tissue

EC Number Source Tissue Comment Organism Textmining
5.4.3.6 leaf
-
 Oryza sativa Japonica Group
-
5.4.3.6 additional information (R)-beta-tyrosine occurs in the seeds, leaves, roots, and root exudates of the Nipponbare cultivar. Dry rice seeds from plants that have not been elicited with jasmonic acid also contain significant amounts of beta-tyrosine. When rice seedlings are grown hydroponically, beta-tyrosine is secreted into the medium Oryza sativa Japonica Group
-
5.4.3.6 root
-
 Oryza sativa Japonica Group
-
5.4.3.6 seed
-
 Oryza sativa Japonica Group
-
5.4.3.6 seedling
-
 Oryza sativa Japonica Group
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
5.4.3.6 L-tyrosine
-
 Oryza sativa Japonica Group 3-amino-3-(4-hydroxyphenyl)propanoate
-
 ?

Synonyms

EC Number Synonyms Comment Organism
5.4.3.6 Tam1
-
 Oryza sativa Japonica Group
5.4.3.6 tyrosine aminomutase
-
 Oryza sativa Japonica Group

Expression

EC Number Organism Comment Expression
5.4.3.6 Oryza sativa Japonica Group hemipteran and lepidopteran herbivores show no negative effects at physiologically relevant beta-tyrosine concentrations additional information
5.4.3.6 Oryza sativa Japonica Group beta-tyrosine accumulation is induced by the plant defense signaling molecule jasmonic acid, jasmonic acid treatment of the seedlings increases beta-tyrosine content in the leaves, roots, and imbibed seed material. up

General Information

EC Number General Information Comment Organism
5.4.3.6 malfunction rice cultivars that do not produce beta-tyrosine have a chromosome 12 deletion that encompasses TAM1 Oryza sativa Japonica Group
5.4.3.6 additional information hemipteran and lepidopteran herbivores show no negative effects at physiologically relevant beta-tyrosine concentrations Oryza sativa Japonica Group
5.4.3.6 physiological function tyrosine aminomutase TAM1 is required for beta-tyrosine biosynthesis in Oryza sativa, the tyrosine aminomutase converts the common protein amino acid tyrosine (alpha-tyrosine) into beta-tyrosine. beta-Tyrosine is most prevalent in temperate japonica cultivars. beta-Tyrosine is exuded into hydroponic medium at higher concentrations and may contribute to the allelopathic potential of rice. Pseudomonas syringae growth is inhibited by beta-tyrosine, and seedlings of dicot species are much more sensitive to exogenous beta-tyrosine than rice and other tested monocots Oryza sativa Japonica Group