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Characterization and functional analysis of the Hydroxycinnamoyl-CoA: shikimate hydroxycinnamoyl transferase (HCT) gene family in poplar. | LitMetric

AI Article Synopsis

  • Hydroxycinnamoyl-CoA: shikimate hydroxycinnamoyl transferase (HCT) plays a crucial role in guiding the production of lignin components (H, G, and S units) and influences overall lignin content in plants.
  • Ten different HCT homologs were found in the genome of the plant studied, showing that both genome and tandem duplications contributed to the increase in these genes.
  • Detailed analyses suggest that while some HCT homologs are specifically involved in lignin production, others may play roles in plant development and cold stress response, highlighting the functional diversity of these enzymes.

Article Abstract

Hydroxycinnamoyl-CoA: shikimate hydroxycinnamoyl transferase (HCT) divides the mass flux to H, G and S units in monolignol biosynthesis and affects lignin content. Ten HCT homologs were identified in the (Torr. & Gray) genome. Both genome duplication and tandem duplication resulted in the expansion of HCT orthologs in . Comprehensive analysis including motif analysis, phylogenetic analysis, expression profiles and co-expression analysis revealed the divergence and putative function of these candidate . and were identified as likely involved in lignin biosynthesis. and are likely to be involved in plant development and the response to cold stress. Similar functional divergence was also identified in Enzymatic assay of PtoHCT1 showed that PtoHCT1 was able to synthesize caffeoyl shikimate using caffeoyl-CoA and shikimic acid as substrates.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7916539PMC
http://dx.doi.org/10.7717/peerj.10741DOI Listing

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