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Showing 1 to 12 of 40 entries
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Allelopathy in agroecosystems: Wheat phytotoxicity and its possible roles in crop rotation.

Journal of chemical ecology

Lodhi MA, Bilal R, Malik KA.
PMID: 24302397
J Chem Ecol. 1987 Aug;13(8):1881-91. doi: 10.1007/BF01013237.

The germination rates of cotton and wheat seeds were significantly affected by various extracts of wheat mulch and soils collected from the wheat field. This toxicity was even more pronounced against seedling growth. Five allelochemics: ferulic,p-coumaric,p-OH benzoic, syringic, and...

Formation of p-coumaric acid and o-coumaric acid from L-phenylalanine by microsomal membrane fractions from potato: Evidence of membrane-bound enzyme complexes.

Planta

Czichi U, Kindl H.
PMID: 24435336
Planta. 1975 Jan;125(2):115-25. doi: 10.1007/BF00388698.

The enzymes described here are the membrane-bound L-phenylalanine ammonia-lyase and cinnamate hydroxylase. Microsomes prepared from tubers of Solanum tuberosum L. are capable of converting L-phenylalanine into both o- and p-coumaric acid. Three microsomal fractions obtained by density gradient centrifugation...

The Fate of l-Phenylalanine Fed to Germinating Pea Seeds, Pisum sativum (L.) var. Alaska, during Imbibition.

Plant physiology

Nozzolillo C, Paul KB, Godin C.
PMID: 16657566
Plant Physiol. 1971 Jan;47(1):119-23. doi: 10.1104/pp.47.1.119.

Radioactive l-phenylalanine-l-(14)C or -U-(14)C was fed to pea seeds during imbibition. More than 95% was imbibed. Less than 1% of the radioactivity was respired as CO(2). Of the radioactivity taken into the embryos, 80% was still in the cotyledons...

Production by Streptomyces viridosporus T7A of an Enzyme Which Cleaves Aromatic Acids from Lignocellulose.

Applied and environmental microbiology

Donnelly PK, Crawford DL.
PMID: 16347736
Appl Environ Microbiol. 1988 Sep;54(9):2237-44. doi: 10.1128/aem.54.9.2237-2244.1988.

The lignocellulose-degrading actinomycete Streptomyces viridosporus T7A produced an extracellular esterase when grown in a mineral salts-yeast extract medium. Extracellular esterase activity was first detected during the late stationary phase and typically followed the appearance of intracellular activity. When the...

Multienzyme One-Pot Cascade for the Stereoselective Hydroxyethyl Functionalization of Substituted Phenols.

Organic letters

Payer SE, Pollak H, Schmidbauer B, Hamm F, Juričić F, Faber K, Glueck SM.
PMID: 30110168
Org Lett. 2018 Sep 07;20(17):5139-5143. doi: 10.1021/acs.orglett.8b02058. Epub 2018 Aug 15.

The operability and substrate scope of a redesigned vinylphenol hydratase as a single biocatalyst or as part of multienzyme cascades using either substituted coumaric acids or phenols as stable, cheap, and readily available substrates are reported.

Pineapple Leaf Phenols Attenuate DSS-Induced Colitis in Mice and Inhibit Inflammatory Damage by Targeting the NF-κB Pathway.

Molecules (Basel, Switzerland)

Chen Y, Niu Y, Hao W, Zhang W, Lu J, Zhou J, Du L, Xie W.
PMID: 34946738
Molecules. 2021 Dec 17;26(24). doi: 10.3390/molecules26247656.

Colitis is not fully curable, although currently, some treatment options are being adopted. In this study, we investigated the effects of pineapple leaf phenols (PLPs), natural phenol products from pineapple leaves, on DSS-induced colitis in mice. The results showed...

Pineapple Leaf Phenols Attenuate DSS-Induced Colitis in Mice and Inhibit Inflammatory Damage by Targeting the NF-κB Pathway.

Molecules (Basel, Switzerland)

Chen Y, Niu Y, Hao W, Zhang W, Lu J, Zhou J, Du L, Xie W.
PMID: 34946738
Molecules. 2021 Dec 17;26(24). doi: 10.3390/molecules26247656.

Colitis is not fully curable, although currently, some treatment options are being adopted. In this study, we investigated the effects of pineapple leaf phenols (PLPs), natural phenol products from pineapple leaves, on DSS-induced colitis in mice. The results showed...

Pineapple Leaf Phenols Attenuate DSS-Induced Colitis in Mice and Inhibit Inflammatory Damage by Targeting the NF-κB Pathway.

Molecules (Basel, Switzerland)

Chen Y, Niu Y, Hao W, Zhang W, Lu J, Zhou J, Du L, Xie W.
PMID: 34946738
Molecules. 2021 Dec 17;26(24). doi: 10.3390/molecules26247656.

Colitis is not fully curable, although currently, some treatment options are being adopted. In this study, we investigated the effects of pineapple leaf phenols (PLPs), natural phenol products from pineapple leaves, on DSS-induced colitis in mice. The results showed...

Expression of phenylalanine ammonia lyases in Synechocystis sp. PCC 6803 and subsequent improvements of sustainable production of phenylpropanoids.

Microbial cell factories

Kukil K, Lindberg P.
PMID: 35012528
Microb Cell Fact. 2022 Jan 10;21(1):8. doi: 10.1186/s12934-021-01735-8.

BACKGROUND: Phenylpropanoids represent a diverse class of industrially important secondary metabolites, synthesized in plants from phenylalanine and tyrosine. Cyanobacteria have a great potential for sustainable production of phenylpropanoids directly from CORESULTS: A selected set of phenylalanine ammonia lyase (PAL)...

Extraction of Honey Polyphenols: Method Development and Evidence of Cis Isomerization.

Analytical chemistry insights

Istasse T, Jacquet N, Berchem T, Haubruge E, Nguyen BK, Richel A.
PMID: 27547032
Anal Chem Insights. 2016 Aug 10;11:49-57. doi: 10.4137/ACI.S39739. eCollection 2016.

Honey polyphenols have been studied with the objective of relating honeys to their floral sources. Initially synthesized by plant, these polyphenols can be found in the plant's nectar, which are collected by bees, which convert the nectar into honey....

Interactions oftrans-cinnamic acid, its related phenolic allelochemicals, and abscisic acid in seedling growth and seed germination of lettuce.

Journal of chemical ecology

Li HH, Inoue M, Nishimura H, Mizutani J, Tsuzuki E.
PMID: 24249240
J Chem Ecol. 1993 Aug;19(8):1775-87. doi: 10.1007/BF00982307.

Phenolic compounds have been identified as the most common allelochemicals produced by higher plants. Inhibitions of cinnamic acid, its related phenolic derivatives, and abscisic acid (ABA) on seedling growth and seed germination of lettuce were studied.trans-Cinnamic acid, ando-,m-, andp-coumaric...

Evaluation of some weed extracts against field dodder on alfalfa (Medicago sativa).

Journal of chemical ecology

Habib SA, Rahman AA.
PMID: 24275991
J Chem Ecol. 1988 Feb;14(2):443-52. doi: 10.1007/BF01013896.

Experiments were conducted to evaluate the effectiveness of some weed extracts against field dodderCuscuta campestris Yunck. on alfalfa (Medicago stiva L.) and to identify and quantify the phytotoxic agents of these extracts. All concentrations of aqueous extract of every...

Showing 1 to 12 of 40 entries