ArticleJournal of molecular evolution2013
Diversification of the duplicated F3h genes in Triticeae.
Article in Journal of molecular evolution, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 21 citations in OpenAlex.
- Overexpression ofPlants (Basel, Switzerland) · 2026Article
- Flavonoid Biosynthesis Genes inBiomolecules · 2022Article
- DuplicatedPeerJ · 2019Article
- The factors affecting the evolution of the anthocyanin biosynthesis pathway genes in monocot and dicot plant species.BMC plant biology · 2017Article
- Identification and characterization of regulatory network components for anthocyanin synthesis in barley aleurone.BMC plant biology · 2017Article
- Article
- Molecular characterization of flavanone 3-hydroxylase gene and flavonoid accumulation in two chemotyped safflower lines in response to methyl jasmonate stimulation.BMC plant biology · 2016Article
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The F3h gene encodes the flavonoid synthesis enzyme flavanone 3-hydroxylase. Unlike most plant genomes, the bread wheat (Triticum aestivum L.) B genome has two, rather than just one F3h copy. The paralogous F3h-B2 sequence was isolated by PCR and shown to be transcribed, but its predicted polypeptide differed from the typical F3H sequence at a number of the conserved residues associated with its putative substrate-binding sites. The F3h-B2 promoter region was highly divergent from that of F3h-B1, and the transcriptional profiles of the two genes were distinct. Among a panel of 95 Triticeae accessions, representing 24 species, an F3h-2 copy was only detected within those carrying a B, S, G, or an R genome. Analysis of the coding sequence divergence suggested that a small segmental duplication occurred early in the evolution of the Triticeae tribe. The duplicated F3h copy appears to have acquired a novel function in the progenitor of the closely related B, G, and S genomes, as well as in the R genome. In other Triticeae genomes, the F3h-2 paralog may have been lost following pseudogenization.
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