ArticlePlant biotechnology journal2022
Expressed genes and their new alleles identification during fibre elongation reveal the genetic factors underlying improvements of fibre length in cotton.
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 9 papers.
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9 citing papers in PubMed, 22 citations in OpenAlex.
- Genetic dissection of cotton fiber quality and yield components using an interspecific introgression population.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- Deciphering the dynamic expression network of fiber elongation and the functional role of the GhTUB5 gene for fiber length in cotton based on an introgression population of upland cotton.Journal of advanced research · 2025Article
- Genes Affecting Cotton Fiber Length: A Systematic Review and Meta-Analysis.Plants (Basel, Switzerland) · 2025Article
- Analysis of the genetic basis of fiber-related traits and flowering time in upland cotton using machine learning.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- Association of GhGeBP genes with fiber quality and early maturity related traits in upland cotton.BMC genomics · 2024Article
- Unravelling the genetic basis and regulation networks related to fibre quality improvement using chromosome segment substitution lines in cotton.Plant biotechnology journal · 2024Article
- Genetic Regulatory Perturbation of Gene Expression Impacted by Genomic Introgression in Fiber Development of Allotetraploid Cotton.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2024Article
- Advances in Cotton Genomics, Genetics and Breeding.Plants (Basel, Switzerland) · 2024Article
- Transcriptome, Ectopic Expression and Genetic Population Analysis Identify Candidate Genes for Fiber Quality Improvement in Cotton.International journal of molecular sciences · 2023Article
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12 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Interspecific breeding in cotton takes advantage of genetic recombination among desirable genes from different parental lines. However, the expression new alleles (ENAs) from crossovers within genic regions and their significance in fibre length (FL) improvement are currently not understood. Here, we generated resequencing genomes of 191 interspecific backcross inbred lines derived from CRI36 (Gossypium hirsutum) × Hai7124 (Gossypium barbadense) and 277 dynamic fibre transcriptomes to identify the ENAs and extremely expressed genes (eGenes) potentially influencing FL, and uncovered the dynamic regulatory network of fibre elongation. Of 35 420 eGenes in developing fibres, 10 366 ENAs were identified and preferentially distributed in chromosomes subtelomeric regions. In total, 1056-1255 ENAs showed transgressive expression in fibres at 5-15 dpa (days post-anthesis) of some BILs, 520 of which were located in FL-quantitative trait locus (QTLs) and GhFLA9 (recombination allele) was identified with a larger effect for FL than GhFLA9 of CRI36 allele. Using ENAs as a type of markers, we identified three novel FL-QTLs. Additionally, 456 extremely eGenes were identified that were preferentially distributed in recombination hotspots. Importantly, 34 of them were significantly associated with FL. Gene expression quantitative trait locus analysis identified 1286, 1089 and 1059 eGenes that were colocalized with the FL trait at 5, 10 and 15 dpa, respectively. Finally, we verified the Ghir_D10G011050 gene linked to fibre elongation by the CRISPR-cas9 system. This study provides the first glimpse into the occurrence, distribution and expression of the developing fibres genes (especially ENAs) in an introgression population, and their possible biological significance in FL.
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