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You searched for: Subject term esters Remove constraint Subject term: esters Subject term beta-glucuronidase Remove constraint Subject term: beta-glucuronidase Text availability Citation in PubAg Remove constraint Text availability: Citation in PubAg
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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. The ectopic expression of phenylalanine ammonia lyase with ectopic accumulation of polysaccharide-linked hydroxycinnamoyl esters in internode parenchyma of rice mutant Fukei 71

Author:
Mase, K.; Sato, K.; Nakano, Y.; Nishikubo, N.; Tsuboi, Y.; Zhou, J.; Kitano, H.; Katayama, Y.
Source:
Plant cell reports 2005 v.24 no.8 pp. 487-493
ISSN:
0721-7714
Subject:
rice; biosynthesis; phenylalanine ammonia-lyase; cell walls; Oryza sativa; transgenic plants; internodes; field crops; glutamate-ammonia ligase; esters; reporter genes; nucleotide sequences; polysaccharides; gene expression regulation; beta-glucuronidase
Abstract:
... Both polysaccharide-linked hydroxycinnamoyl esters (PHEs) and lignin are biosynthesized via the phenylpropanoid pathway. In the abnormal internode parenchyma of the rice (Oryza sativa L.) mutant Fukei 71, which has a defective recessive gene (d50), the biosynthesis of lignin and PHEs differs. . The polysaccharide-linked ferulate and p-coumarate have been shown to accumulate to high levels in the i ...
DOI:
10.1007/s00299-005-0960-x
PubMed:
15838683

3. Evaluation of novel fluorogenic substrates for the detection of glycosidases in Escherichia coli and enterococci

Author:
Perry, J.D.; James, A.L.; Morris, K.A.; Oliver, M.; Chilvers, K.F.; Reed, R.H.; Gould, F.K.
Source:
Journal of applied microbiology 2006 v.101 no.5 pp. 977-985
ISSN:
1364-5072
Subject:
Enterococcus; Escherichia coli; bacteria; beta-glucosidase; beta-glucuronidase; enzyme substrates; esters; fluorescence; glucose; glucosides; hydrolysis; indicator species; microbial growth
Abstract:
... Enzyme substrates based on 4-methylumbelliferone are widely used for the detection of Escherichia coli and enterococci in water, by detection of β-glucuronidase and β-glucosidase activity respectively. This study aimed to synthesize and evaluate novel umbelliferone-based substrates with improved sensitivity for these two enzymes. A novel β-glucuronide derivative based on 6-chloro-4-methylumbellife ...
DOI:
10.1111/j.1365-2672.2006.03018.x

4. Arabidopsis acyl-CoA-binding protein ACBP6 localizes in the phloem and affects jasmonate composition

Author:
Zi-Wei Ye; Shiu-Cheung Lung; Tai-Hua Hu; Qin-Fang Chen; Yung-Lee Suen; Mingfu Wang; Susanne Hoffmann-Benning; Edward Yeung; Mee-Len Chye
Source:
Plant molecular biology 2016 v.92 no.6 pp. 717-730
ISSN:
0167-4412
Subject:
Arabidopsis thaliana; acyl coenzyme A; antibodies; beta-glucuronidase; cold tolerance; esters; gas chromatography-mass spectrometry; gene expression regulation; gold; jasmonic acid; messenger RNA; microscopy; phosphatidylcholines; plasmodesmata; quantitative polymerase chain reaction; sieve elements; transgenic plants
Abstract:
... Arabidopsis thaliana ACYL-COA-BINDING PROTEIN6 (AtACBP6) encodes a cytosolic 10-kDa AtACBP. It confers freezing tolerance in transgenic Arabidopsis, possibly by its interaction with lipids as indicated by the binding of acyl-CoA esters and phosphatidylcholine to recombinant AtACBP6. Herein, transgenic Arabidopsis transformed with an AtACBP6 promoter-driven β-glucuronidase (GUS) construct exhibited ...
DOI:
10.1007/s11103-016-0541-0

5. β-Glucuronidase-coupled assays of glucuronoyl esterases

Author:
Lucia Fraňová; Vladimír Puchart; Peter Biely
Source:
Analytical biochemistry 2016 v.510 pp. 114-119
ISSN:
0003-2697
Subject:
alcohols; beta-glucuronidase; cell walls; esterases; esters; genomic libraries; lignin; microorganisms; screening
Abstract:
... Glucuronoyl esterases (GEs) are microbial enzymes with potential to cleave the ester bonds between lignin alcohols and xylan-bound 4-O-methyl-d-glucuronic acid in plant cell walls. This activity renders GEs attractive research targets for biotechnological applications. One of the factors impeding the progress in GE research is the lack of suitable substrates. In this work, we report a facile prepa ...
DOI:
10.1016/j.ab.2016.07.023

6. Scumoniliosides A and B, two new flavanone glucuronate esters from Scutellaria moniliorrhiza Komarov with anti-inflammatory activities

Author:
Qing-Tong Han; Kai Xiao; Kang-Lin Xiang; Gui-Sheng Li; Sheng-Jun Dai
Source:
Phytochemistry letters 2018 v.25 pp. 56-59
ISSN:
1874-3900
Subject:
Scutellaria; anti-inflammatory activity; beta-glucuronidase; chemical structure; esters; flavanones; neutrophils; rats; spectroscopy
Abstract:
... Two new flavanone glucuronate esters, named scumoniliosides A and B (1-2), along with two known flavonoid glucuronate esters, 5,4′-dihydroxyflavonoid-7-O-β-d-glycuronate methyl ester (3) and 5,4′-dihydroxyflavonoid-7-O-β-d-glycuronate butyl ester (4), were isolated from the ethanolic extract of the whole plant of Scutellaria moniliorrhiza. Their chemical structures including absolute configuration ...
DOI:
10.1016/j.phytol.2018.03.017