Chimeric chalcone synthase
WebIn Basic medium (base catalysis), the chalcone is produced from the aldol product via dehydration in (an enolate) - mechanism, while in acidic medium (acid catalysis, it is produced via (an... WebOct 21, 2013 · The I locus is a 27-kb inverted repeat cluster of chalcone synthase genes CHS1-3-4 that mediates siRNA down-regulation of CHS7 and CHS8 target mRNAs during seed development leading to yellow seed coats lacking anthocyanin pigments. Here, we report small RNA sequencing of ten stages of seed development from a few days post …
Chimeric chalcone synthase
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WebDec 13, 2024 · The chalcone synthase superfamily of type III polyketide synthases. ... A study utilizing both mutant and BBS/STS chimeric enzymes attempted to elucidate the structural basis for this unusual substrate … WebMar 21, 1997 · Transgenic Petunia plants with a chsA coding sequence under the control of a 35S promoter sometimes lose endogene and transgene chalcone synthase activity and purple flower pigment through posttranscriptional chsA RNA degradation. In these plants, shorter poly(A)+ and poly(A)− chsA RNAs are found, and a 3′ end–specific RNA …
WebMay 3, 2011 · Chalcone synthase (CHS, EC 2.3.1.74) is a key enzyme of the flavonoid/isoflavonoid biosynthesis pathway. Besides being part of the plant developmental program the CHS gene expression is induced in plants under stress conditions such as UV light, bacterial or fungal infection. CHS expression causes accumulation of flavonoid and … WebThe primary product of this enzyme is 4,2',4',6'-tetrahydroxychalcone (also termed naringenin-chalcone or chalcone) which can under specific conditions spontaneously isomerize into naringenin. Catalytic activity 4-coumaroyl-CoA + 2 H+ + 3 malonyl-CoA = 2',4,4',6'-tetrahydroxychalcone + 3 CO2 + 4 CoA PROSITE-ProRule annotation
WebApr 1, 1993 · Introduction of a chimeric chalcone synthase gene into letunia results in reversible co-suppression of homologous genes in trans. The Plant Cell 2 : 279–289. … WebNational Center for Biotechnology Information
WebJun 1, 1992 · We developed an Agrobacterium-mediated leaf disk transformation method for chrysanthemum. We introduced a chimeric chalcone synthase (CHS) gene isolated from chrysanthemum into cv. Moneymaker (pink type) to produce white-flowered plants.
WebNov 1, 2005 · We analyzed the mRNA levels of six genes involved in anthocyanin biosynthesis. Only the level of chalcone synthase ( CHS) mRNA was depressed in the unpigmented flower sectors. Both transcriptional activity and the accumulation of short interfering RNA of CHS in the unpigmented sectors were detected. inbound o365 addressesWebSep 1, 2016 · DPPH (1,1–diphenyl-2-picrylhydrazyl) radical scavenging activity was measured for all the chalcones (2a–2e).Among them, compounds 2a, 2b, 2c, 2d and 2e … inbound nyc flightsWebFeb 15, 2024 · Chalcone synthase (CHS) is the key enzyme in the flavonoids biosynthesis pathway, and has been proved to monitor the changes to drought stress tolerance. In this work, we overexpressed a CHS gene ... incision into the brain use cerebralWebA chimeric gene was constructed containing the light‐inducible chalcone synthase (chs) promoter from Antirrhinum majus, the neomycin phosphotransferase structural sequence … incision into the iris medical termWebJSTOR Home inbound nursingWebJSTOR Home incision into the brain medical termWebWe attempted to overexpress chalcone synthase (CHS) in pigmented petunia petals by introducing a chimeric petunia CHS gene. Unexpectedly, the introduced gene created a … incision into the eardrum is termed