2022
DOI: 10.1111/pbi.13862
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Retrieving a disrupted gene encoding phospholipase A for fibre enhancement in allotetraploid cultivated cotton

Abstract: After polyploidization originated from one interspecific hybridization event in Gossypium, Gossypium barbadense evolved to produce extra-long staple fibres than Gossypium hirsutum (Upland cotton), which produces a higher fibre yield. The genomic diversity between G. barbadense and G. hirsutum thus provides a genetic basis for fibre trait variation. Recently, rapid accumulation of gene disruption or deleterious mutation was reported in allotetraploid cotton genomes, with unknown impacts on fibre traits. Here, w… Show more

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Cited by 3 publications
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“…Genes involved in DNA repair and targeted to the organelles tended to have a single copy after polyploidization. In addition, the frequency of gene loss was not equal between subgenomes, with higher rates of gene loss in the A t subgenome (777 genes in A t and 565 genes in D t ), consistent with findings in previous studies [ 31 ]. In the third group (balance), both copies were retained in the tetraploid, involving 7049 genes.…”
Section: Resultssupporting
confidence: 91%
“…Genes involved in DNA repair and targeted to the organelles tended to have a single copy after polyploidization. In addition, the frequency of gene loss was not equal between subgenomes, with higher rates of gene loss in the A t subgenome (777 genes in A t and 565 genes in D t ), consistent with findings in previous studies [ 31 ]. In the third group (balance), both copies were retained in the tetraploid, involving 7049 genes.…”
Section: Resultssupporting
confidence: 91%