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Literature summary for 2.1.1.270 extracted from

  • Tran, H.; You, M.; Barbetti, M.
    Expression of defence-related genes in stems and leaves of resistant and susceptible field pea (Pisum sativum) during infection by Phoma koolunga (2018), Plant Pathol., 67, 156-166 .
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Cloned(Commentary)

Cloned (Comment) Organism
gene hmm6, genotyping, gene expression analysis by quantitative real-time RT-PCR Pisum sativum

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
S-adenosyl-L-methionine + (+)-6a-hydroxymaackiain Pisum sativum
-
 S-adenosyl-L-homocysteine + (+)-pisatin
-
 ?
S-adenosyl-L-methionine + (+)-6a-hydroxymaackiain Pisum sativum UWA H2012-81
-
 S-adenosyl-L-homocysteine + (+)-pisatin
-
 ?

Organism

Organism UniProt Comment Textmining
Pisum sativum O24305
-
-
Pisum sativum UWA H2012-81 O24305
-
-

Source Tissue

Source Tissue Comment Organism Textmining
leaf high HMM6 enzyme expression level Pisum sativum
-
seedling
-
 Pisum sativum
-
stem
-
 Pisum sativum
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
S-adenosyl-L-methionine + (+)-6a-hydroxymaackiain
-
 Pisum sativum S-adenosyl-L-homocysteine + (+)-pisatin
-
 ?
S-adenosyl-L-methionine + (+)-6a-hydroxymaackiain
-
 Pisum sativum UWA H2012-81 S-adenosyl-L-homocysteine + (+)-pisatin
-
 ?

Synonyms

Synonyms Comment Organism
(+)-6a-hydroxymaackiain 3-O-methyltransferase 1 UniProt Pisum sativum
6a-hydroxymaackiain methyltransferase
-
 Pisum sativum
HMM1
-
 Pisum sativum
hmm6
-
 Pisum sativum
hydroxymaackiain methyltransferase
-
 Pisum sativum

Cofactor

Cofactor Comment Organism Structure
S-adenosyl-L-methionine
-
 Pisum sativum

General Information

General Information Comment Organism
metabolism the differential expression of 13 defence-related genes during Phoma koolunga infection of stems and leaves of susceptible versus resistant field pea (Pisum sativum) determined by quantitative RT-PCR shows that expression, in terms of relative mRNA level ratios, of genes encoding ferredoxin NADP oxidoreductase, 6a-hydroxymaackiain methyltransferase (hmm6), chalcone synthase (PSCHS3) and ascorbate peroxidase in leaves and stems vary during 6-72 hours post-inoculation (hpi) and reflecting host resistance levels in leaves versus stems. In comparison to the susceptible genotype, at 24, 48 and 72 hpi, two genes, hmm6 (122, 207 and 32fold, respectively) and PSCHS3 are strongly upregulated in leaves of the resistant genotype, highlighting that resistance against Phoma koolunga in field pea is governed by the early synthesis of pisatin, overview Pisum sativum
physiological function resistance against Phoma koolunga in field pea is governed by the early synthesis of pisatin involving the enzyme hydroxymaackiain methyltransferase Pisum sativum