Claim · model-written summary
Segmental duplication predominated in KFB expansion.
- Taxon
- sweetpotato
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Ipomoea batatast0 - Gene
- KFBe0
- Outcome
- Segmental duplicatione0
Not reportedMaterialCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleTreatmentComparatorSettingDirectionValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_Flower.jpg?width=500)
Verbatim
e0“Segmental duplication was the predominant mode associated with KFB expansion”
t0“Polyploidy-driven expansion and regulatory diversification of the Kelch repeat F-box gene family in sweetpotato”
Title
Yanxingzi Ma; Guangli Zhou; Jinchai Chen; et al. BMC Genomics 2026. doi:10.1186/s12864-026-12867-9
Other claims from this paper (10)
- Observation Diploid I. trifida had 24 KFB genes.
- Observation Diploid I. triloba had 27 KFB genes.
- Observation Tetraploid I. tabascana had 16 KFB genes.
- Observation Hexaploid I. batatas had 102 KFB genes.
- Association KFB family size did not scale linearly with ploidy across the studied Ipomoea species.
- Observation Tandem duplication was not detected in the KFB family.
- Observation Most duplicated KFB gene pairs had Ka/Ks ratios below 1.
- Observation KFB proteins retained conserved F-box/Kelch domain organization despite copy number variation.
- Observation KFB proteins showed moderate motif composition and gene structure variation.
- Observation KFB genes showed tissue, stress and hormone responsive expression divergence.