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You searched for: Subject Helianthus annuus Remove constraint Subject: Helianthus annuus Subject term esters Remove constraint Subject term: esters Subject term Brassica napus Remove constraint Subject term: Brassica napus
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1. Importance of the chiral centers of jasmonic acid in the responses of plants. Activities and antagonism between natural and synthetic analogs

Author:
Holbrook, L.; Tung, P.; Ward, K.; Reid, D.M.; Abrams, S.; Lamb, N.; Quail, J.W.; Moloney, M.M.
Source:
Plant physiology 1997 v.114 no.2 pp. 419-428
ISSN:
0032-0889
Subject:
Helianthus annuus; Brassica napus; measurement; chemical degradation; dose response; jasmonic acid; gene expression; Triticum aestivum; Nicotiana tabacum; esters; stereochemistry; enzyme activity; chemical structure; seed germination; transgenic plants; cotyledons; proteinase inhibitors; reporter genes; chemical constituents of plants; chlorophyll; beta-glucuronidase
Abstract:
... The importance of the two chiral centers at C-3 and C-7 in the molecular structure of jasmonic acid in plant responses was investigated. We separated methyl jasmonate (MeJA) into (3R)- and (3S)-isomers with a fixed stereochemistry at C-3, but epimerization at C-7 is possible. The four isomers of the nonepimerizable analog 7-methyl MeJA were synthesized. These six esters and their corresponding aci ...

2. Characterization of a small acyl-CoA-binding protein (ACBP) from Helianthus annuus L. and its binding affinities

Author:
Jose A. Aznar-Moreno; Mónica Venegas-Calerón; Zhi-Yan Du; Rafael Garcés; Julian A. Tanner; Mee-Len Chye; Enrique Martínez-Force; Joaquín J. Salas
Source:
Plant physiology and biochemistry 2016 v.102 pp. 141-150
ISSN:
0981-9428
Subject:
Arabidopsis thaliana; Brassica napus; Helianthus annuus; Oryza sativa; acyl coenzyme A; binding capacity; calorimetry; cell structures; esters; phosphatidylcholines; sunflower oil; sunflower seed protein; tissues; titration
Abstract:
... Acyl-CoA-binding proteins (ACBPs) bind to acyl-CoA esters and promote their interaction with other proteins, lipids and cell structures. Small class I ACBPs have been identified in different plants, such as Arabidopsis thaliana (AtACBP6), Brassica napus (BnACBP) and Oryza sativa (OsACBP1, OsACBP2, OsACBP3), and they are capable of binding to different acyl-CoA esters and phospholipids. Here we cha ...
DOI:
10.1016/j.plaphy.2016.02.025