Genomics

Large‐fragment insertion activates gene GaFZ and is associated with the fuzz and trichome reduction in cotton

2 monthes ago   |   By Wiley

Summary
Cotton seeds are typically covered by lint and fuzz fibres. Natural ‘fuzzless' mutants are an ideal model system for identifying genes that regulate cell initiation and elongation. Here, using a genome‐wide association study , we identified a ~ 6.2 kb insertion, larINDEL
FZ
, located at the end of chromosome 8, composed of a ~ 5.0 kb repetitive sequence and a ~ 1.2 kb fragment translocated from chromosome 12 in fuzzless Gossypium arboreum. The presence of larINDEL
FZ was associated with a fuzzless seed and reduced trichome phenotypes in G. arboreum. This distant insertion was...
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