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Literature summary extracted from

  • Bera, P.; Mukherjee, C.; Mitra, A.
    Enzymatic production and emission of floral scent volatiles in Jasminum sambac (2017), Plant Sci., 256, 25-38 .
    View publication on PubMed

Cloned(Commentary)

EC Number Cloned (Comment) Organism
4.2.3.106 gene JsTPS, semi-quantitative RT-PCR expression analysis Jasminum sambac

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
4.2.3.106 Mg2+ required Jasminum sambac

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
2.1.1.273 S-adenosyl-L-methionine + benzoate Jasminum sambac
-
 methyl benzoate + S-adenosyl-L-homocysteine
-
 ?
2.1.1.274 S-adenosyl-L-methionine + salicylate Jasminum sambac
-
 methyl salicylate + S-adenosyl-L-homocysteine
-
 ?
4.2.3.106 geranyl diphosphate Jasminum sambac
-
 (E)-beta-ocimene + diphosphate
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
2.1.1.273 Jasminum sambac
-
-
-
2.1.1.274 Jasminum sambac A0A0A1E7P5
-
-
4.2.3.106 Jasminum sambac A0A1B0WVE7
-
-

Source Tissue

EC Number Source Tissue Comment Organism Textmining
2.1.1.273 flower highest BAMT enzyme activity is found after 4 h of petal opening i.e., at 12 a.m. of night. Although the first peak is observed at 4 p.m. (4 h before petal opening), after reached at its highest level of activity, BAMT activity gradually decreases as found in the emission of methylbenzoate, where the highest emission is at 2 a.m. of night, i.e. 6 h of petal opening Jasminum sambac
-
2.1.1.273 petal
-
 Jasminum sambac
-
2.1.1.274 flower flower buds (8 h before flower opening; 12 p.m.) already possesses substantial SAMT enzymatic activity (approximately 22% of peak level). Maximal SAMT activity is observed inmature flower buds i.e. 4 h before petal opening (4 p.m.). After petal opening, the level of activity of SAMT starts declining, and it is almost 78% less than the peak level. SAMT activity in petals again reaches to the second peak level after 8 h of petal opening Jasminum sambac
-
2.1.1.274 flower bud flower buds (8 h before flower opening; 12 p.m.) already possesses substantial SAMT enzymatic activity (approximately 22% of peak level). Maximal SAMT activity is observed inmature flower buds i.e., 4 h before petal opening (4 p.m.). After petal opening, the level of activity of SAMT starts declining, and it is almost 78% less than the peak level. SAMT activity in petals again reaches to the second peak level after 8 h of petal opening Jasminum sambac
-
2.1.1.274 petal
-
 Jasminum sambac
-
4.2.3.106 flower
-
 Jasminum sambac
-
4.2.3.106 additional information during the life span of Jasminum sambac flower, clear variations in monoterpene emission between the day and night periods are observed for linalool and beta-ocimene that continue to emituntil next morning Jasminum sambac
-
4.2.3.106 petal maximum TPS transcript accumulation is observed in flower petals, analysis of JsTPS expression in different developmental stages and in different floral part by semiquantitative RT-PCR. Unopened flower (buds) emit no beta-ocimene or farnesene. Senescence initiated in Jasminnum sambac flower after 24 h of petal opening, while low emission of linalool and beta-ocimene is detected until the abscission of floral tissue. beta-Ocimene is not detected in any other floral tissue except petals with a very lowamount of emission Jasminum sambac
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.1.1.273 additional information GC-MS product identification Jasminum sambac ?
-
-
2.1.1.273 S-adenosyl-L-methionine + benzoate
-
 Jasminum sambac methyl benzoate + S-adenosyl-L-homocysteine
-
 ?
2.1.1.274 additional information GC-MS product identification Jasminum sambac ?
-
-
2.1.1.274 S-adenosyl-L-methionine + salicylate
-
 Jasminum sambac methyl salicylate + S-adenosyl-L-homocysteine
-
 ?
4.2.3.106 geranyl diphosphate
-
 Jasminum sambac (E)-beta-ocimene + diphosphate
-
 ?
4.2.3.106 additional information GC-MS analysis of floral volatiles and enzyme reaction product Jasminum sambac ?
-
 ?

Synonyms

EC Number Synonyms Comment Organism
2.1.1.273 BAMT
-
 Jasminum sambac
2.1.1.273 benzoic acid carboxyl methyl transferase
-
 Jasminum sambac
2.1.1.273 S-adenosyl-l-methionine: benzoicacid carboxyl methyl transferase
-
 Jasminum sambac
2.1.1.274 S-adenosyl-l-methionine: salicylic acid carboxyl methyl-transferase
-
 Jasminum sambac
2.1.1.274 salicylicacid carboxyl methyl transferase
-
 Jasminum sambac
2.1.1.274 SAMT
-
 Jasminum sambac
4.2.3.106 JsTPS
-
 Jasminum sambac
4.2.3.106 TPS
-
 Jasminum sambac

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
2.1.1.273 30
-
 assay at Jasminum sambac
2.1.1.274 30
-
 assay at Jasminum sambac
4.2.3.106 30
-
 assay at Jasminum sambac

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
2.1.1.273 7.5
-
 assay at Jasminum sambac
2.1.1.274 7.5
-
 assay at Jasminum sambac
4.2.3.106 7.5
-
 assay at Jasminum sambac

Cofactor

EC Number Cofactor Comment Organism Structure
2.1.1.273 S-adenosyl-L-methionine
-
 Jasminum sambac
2.1.1.274 S-adenosyl-L-methionine
-
 Jasminum sambac

General Information

EC Number General Information Comment Organism
2.1.1.273 metabolism the enzyme is involved in the secondary metabolic pathways leading to the formation of scent volatiles in Jasminum sambac flower, overview. Developmental pattern of emission of sent volatiles in Jasminum sambac flower on a time-course basis, and concentrations of the above benzenoids and terpenes in the flowers with respect to spatial and temporal regulation Jasminum sambac
2.1.1.273 physiological function the enzyme is involved in enzymatic production and emission of floral scent volatiles in Jasminum sambac Jasminum sambac
2.1.1.274 metabolism the enzyme is involved in the secondary metabolic pathways leading to the formation of scent volatiles in Jasminum sambac flower, overview. Developmental pattern of emission of sent volatiles in Jasminum sambac flower on a time-course basis, and concentrations of the above benzenoids and terpenes in the flowers with respect to spatial and temporal regulation Jasminum sambac
2.1.1.274 physiological function the enzyme is involved in enzymatic production and emission of floral scent volatiles in Jasminum sambac Jasminum sambac
4.2.3.106 physiological function floral scent of Jasminum sambac (Oleaceae) includes three major benzenoid esters: benzylacetate, methylbenzoate, and methylsalicylate, and three major terpene compounds viz. (E)-beta-ocimene, linalool and alpha-farnesene, analysis of concentrations and emission rates of benzenoids and terpenoids during the developmental stages of the flowers, overview Jasminum sambac