نتایج جستجو برای: 4cl 4coumarate coa ligase
تعداد نتایج: 49256 فیلتر نتایج به سال:
4-Coumarate:coenzyme A ligase (4CL) is known to activate cinnamic acid derivatives to their corresponding coenzyme A esters. As a new type of 4CL-catalyzed reaction, we observed the synthesis of various mono- and diadenosine polyphosphates. Both the native 4CL2 isoform from Arabidopsis (At4CL2 wild type) and the At4CL2 gain of function mutant M293P/K320L, which exhibits the capacity to use a br...
The novel benzoyl coenzyme A (benzoyl-CoA) biosynthesis pathway in "Streptomyces maritimus" was investigated through a series of target-directed mutations. Genes involved in benzoyl-CoA formation were disrupted through single-crossover homologous recombination, and the resulting mutants were analyzed for their ability to biosynthesize the benzoyl-CoA-primed polyketide antibiotic enterocin. Inac...
Roseovarius sp. strain 217: aerobic taurine dissimilation via acetate kinase and acetate-CoA ligase.
The genome sequence of Roseovarius sp. strain 217 indicated that many pathway enzymes found in other organisms for the degradation of taurine are represented, but that a novel, apparently energy-dependent pathway is involved in the conversion of acetyl phosphate to acetyl CoA. Thus, an ABC transporter for taurine could be postulated, while inducible taurine: pyruvate aminotransferase, alanine d...
7-O-Methyl aromadendrin (7-OMA) is an aglycone moiety of one of the important flavonoid-glycosides found in several plants, such as Populus alba and Eucalyptus maculata, with various medicinal applications. To produce such valuable natural flavonoids in large quantity, an Escherichia coli cell factory has been developed to employ various plant biosynthetic pathways. Here, we report the generati...
Treatment of homogeneous preparations of 2-amino-3-ketobutyrate CoA ligase from Escherichia coli, a pyridoxal 5'-phosphate-dependent enzyme, with phenylglyoxal, 4-(oxyacetyl)phenoxyacetic acid, 2,3-butanedione, or 1,2-cyclohexanedione results in a time- and concentration-dependent loss of enzymatic activity. Phenylglyoxal in 50 mM phosphate buffer (pH 7.0) is the most effective modifier, causin...
Hepatocyte nuclear factor 4 (HNF4 ) has an important role in regulating the expression of liver-specific genes. Because bile acids are produced from cholesterol in liver and many enzymes involved in their biosynthesis are preferentially expressed in liver, the role of HNF4 in the regulation of bile acid production was examined. In mice, unconjugated bile acids are conjugated with taurine by the...
Abstract As a famous fruit worldwide, citrus is susceptible to green mold caused by Penicillium digitatum, which causes large economic losses every year. ε-Poly-l-lysine (ε-PL) novel preservative with strong inhibitory effects on fungi, and has the capacity induce disease resistance in fruit, but mechanism been reported rarely, especially citrus. In present study, 800 μg/mL ε-PL P. digitatum sp...
BACKGROUND Hydroxycinnamoyl anthranilates, also known as avenanthramides (avns), are a group of phenolic alkaloids with anti-inflammatory, antioxidant, anti-itch, anti-irritant, and antiatherogenic activities. Some avenanthramides (avn A-H and avn K) are conjugates of hydroxycinnamic acids (HC), including p-coumaric acid, caffeic acid, and ferulic acid, and anthranilate derivatives, including a...
Background The development of genome editing technologies offers new prospects in improving bioenergy crops like switchgrass (Panicum virgatum). Switchgrass is an outcrossing species with an allotetraploid genome (2n = 4x = 36), a complexity which forms an impediment to generating homozygous knock-out plants. Lignin, a major component of the plant cell wall and a contributor to cellulosic feeds...
آگاستاکه (agastache foeniculim [pursh] kuntze) گیاهی علفی، چندساله و متعلق به خانواده نعناعیان (lamiaceae) می باشد. ماده موثره آن از نوع اسانس است که در برگ ها و گل ها ساخته می شود. متیل چاویکول، به عنوان جزء اصلی اسانس است که در صنایع عطرسازی و طعم دهندگی دارای اهمیت است. این ترکیب از طریق مسیر فنیل پروپانوئیدی که مسیر بیوسنتزی اغلب ترکیبات فنلی است ساخته می شود. در این مسیر سه واکنش اصلی وجود...
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