ArticlePlant biotechnology journal2022
Function deficiency of GhOMT1 causes anthocyanidins over-accumulation and diversifies fibre colours in cotton (Gossypium hirsutum).
Article in Plant biotechnology journal, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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17 citing papers in PubMed, 41 citations in OpenAlex.
- GhLYK5-mediated GhNIT4B activates asparagine and ROS accumulation enhancing cotton Verticillium wilt resistance.Journal of biological engineering · 2026Article
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- FaTRAB1, a bZIP transcription factor, enhances anthocyanin biosynthesis in strawberry leaves via tissue-specific regulation.PLoS genetics · 2025Article
- Article
- The brown fiber phenotype in cotton line SA-40 is linked to a missing Ty3-like retrotransposon upstream of theFrontiers in plant science · 2025Article
- TRANSPARENT TESTA 16 collaborates with the MYB-bHLH-WD40 transcriptional complex to produce brown fiber cotton.Plant physiology · 2024Article
- Natural variations in the Cis-elements of GhRPRS1 contributing to petal colour diversity in cotton.Plant biotechnology journal · 2024Article
- Special Issue: Cotton Molecular Genomics and Genetics 2.0.International journal of molecular sciences · 2024Article
- An insight into the gene expression evolution in Gossypium species based on the leaf transcriptomes.BMC genomics · 2024Article
- Comprehensive chemical profiling of two Dendrobium species and identification of anti-hepatoma active constituents from Dendrobium chrysotoxum by network pharmacology.BMC complementary medicine and therapies · 2023Article
- Cloning and functional analysis of GhDFR1, a key gene of flavonoid synthesis pathway in naturally colored cotton.Molecular biology reports · 2023Article
- 'Pink cotton candy'-A new dye-free cotton.Plant biotechnology journal · 2023Article
- Development of an eco-friendly pink cotton germplasm by engineering betalain biosynthesis pathway.Plant biotechnology journal · 2023Article
- A glutathione S-transferase GhTT19 determines flower petal pigmentation via regulating anthocyanin accumulation in cotton.Plant biotechnology journal · 2023Article
- Identification and characterization of the LDAP family revealedFrontiers in plant science · 2023Article
- Function deficiency of GhOMT1 causes anthocyanidins over-accumulation and diversifies fibre colours in cotton (Gossypium hirsutum).Plant biotechnology journal · 2022Article
- Transcriptomic analysis unravels the molecular response ofFrontiers in plant science · 2022Article
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Authors and funding
13 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Naturally coloured cotton (NCC) fibres need little or no dyeing process in textile industry to low-carbon emission and are environment-friendly. Proanthocyanidins (PAs) and their derivatives were considered as the main components causing fibre coloration and made NCCs very popular and healthy, but the monotonous fibre colours greatly limit the wide application of NCCs. Here a G. hirsutum empurpled mutant (HS2) caused by T-DNA insertion is found to enhance the anthocyanidins biosynthesis and accumulate anthocyanidins in the whole plant. HPLC and LC/MS-ESI analysis confirmed the anthocyanidins methylation and peonidin, petunidin and malvidin formation are blocked. The deficiency of GhOMT1 in HS2 was associated with the activation of the anthocyanidin biosynthesis and the altered components of anthocyanidins. The transcripts of key genes in anthocyanidin biosynthesis pathway are significantly up-regulated in HS2, while transcripts of the genes for transport and decoration were at similar levels as in WT. To investigate the potential mechanism of GhOMT1 deficiency in cotton fibre coloration, HS2 mutant was crossed with NCCs. Surprisingly, offsprings of HS2 and NCCs enhanced PAs biosynthesis and increased PAs levels in their fibres from the accumulated anthocyanidins through up-regulated GhANR and GhLAR. As expected, multiple novel lines with improved fibre colours including orange red and navy blue were produced in their generations. Based on this work, a new strategy for breeding diversified NCCs was brought out by promoting PA biosynthesis. This work will help shed light on mechanisms of PA biosynthesis and bring out potential molecular breeding strategy to increase PA levels in NCCs.
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