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You searched for: Subject Nicotiana tabacum Remove constraint Subject: Nicotiana tabacum Subject Triticum aestivum Remove constraint Subject: Triticum aestivum Subject beta-glucuronidase Remove constraint Subject: beta-glucuronidase
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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. Manipulation of monoubiquitin improves chilling tolerance in transgenic tobacco (Nicotiana tabacum)

Author:
Yanan Feng; Meng Zhang; Qifang Guo; Guokun Wang; Jiangfeng Gong; Ying Xu; Wei Wang
Source:
Plant physiology and biochemistry 2014 v.75 pp. 138-144
ISSN:
0981-9428
Subject:
electrolytes; reactive oxygen species; wheat; genes; sugars; malondialdehyde; proline; vector control; solutes; Triticum aestivum; Nicotiana tabacum; leaves; gene overexpression; ubiquitin; enzyme activity; tobacco; proteasome endopeptidase complex; wilting; transgenic plants; cold stress; photosystem II; cold tolerance; beta-glucuronidase
Abstract:
... Ubiquitin (Ub) is a multifunctional protein that mainly functions to tag proteins for selective degradation by the 26S proteasome. We cloned an Ub gene TaUb2 from wheat (Triticum aestivum L.) previously. To study the function of TaUB2 in chilling stress, sense and antisense Ub transgenic tobacco plants (Nicotiana tabacum L.), as well as wild type (WT) and vector control β-glucuronidase (T-GUS) pla ...
DOI:
10.1016/j.plaphy.2013.11.003