Results 161 to 170 of about 6,906 (193)

Genome-wide searches and molecular analyses highlight the unique evolutionary path of flavone synthase I (FNSI) in Apiaceae

open access: yesGenome, 2018
Flavone synthase is a key enzyme for flavone biosynthesis and is encoded by two gene families: flavone synthase I (FNSI) and flavone synthase II (FNSII). FNSII is widely distributed in plants, while FNSI has been reported in rice (Oryza sativa) and seven species of Apiaceae. FNSI has likely evolved from the duplication of flavanone 3β-hydroxylase (F3H)
Stephen R Downie
exaly   +4 more sources

The unexpected flavone synthase-like activity of polyphenol oxidase in tomato

Food Chemistry, 2022
The biosynthesis of flavones has drawn considerable attention. However, the presence of flavones and their biosynthesis in tomato (Solanum lycopersicum) remain unclear. Here, we confirmed that flavones are present in MicroTom tomato and unexpectedly found that a tomato polyphenol oxidase (SlPPO F) possesses a flavone synthase-like activity and ...
Yang Zhang, Rao Fu
exaly   +3 more sources

Cloning of parsley flavone synthase I

Phytochemistry, 2001
A cDNA encoding flavone synthase I was amplified by RT-PCR from leaflets of Petroselinum crispum cv. Italian Giant seedlings and functionally expressed in yeast cells. The identity of the recombinant, 2-oxoglutarate-dependent enzyme was verified in assays converting (2S)-naringenin to apigenin.
Stefan Martens   +2 more
exaly   +3 more sources

Purification and Antigenicity of Flavone Synthase I from Irradiated Parsley Cells

Archives of Biochemistry and Biophysics, 2001
Flavone synthase I, a soluble 2-oxoglutarate-dependent dioxygenase catalyzing the oxidation of flavanones to flavones in several Apiaceae species, was induced in parsley cell cultures by continuous irradiation with ultraviolet/blue light for 20 h. The enzyme was extracted from these cells and purified by a revised purification protocol including the ...
Richard Lukačin   +2 more
exaly   +3 more sources

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