Journal
FRONTIERS IN GENETICS
Volume 13, Issue -, Pages -Publisher
FRONTIERS MEDIA SA
DOI: 10.3389/fgene.2022.985228
Keywords
plumage colors; genome; chicken; pigmentation genes; genetic marker
Categories
Funding
- Xinjiang Production and Construction Corps Key Laboratory of Protection and Utilization of Biological Resources in Tarim Basin Open Fund Project Evaluation and Utilization of Genetic Resources in Baicheng You chicken by Using Genomic Information
- Graduate Research Innovation Project of Tarim University MLPH gene variation and the formation mechanism of lavender feather in Baicheng You chicken [BRZD2104]
- Beijing Innovation Team of the Modem Agro-industry Technology Research System [TDBSCX202109]
- [BAIC04-2022]
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Researchers re-sequenced the genome of Baicheng You chicken and identified candidate genomic regions associated with different plumage colors, with genes EGR1, MLPH, RAB17, SOX5, and GRM5 potentially playing a role.
Chicken plumage color is an inheritable phenotype that was naturally and artificially selected for during domestication. The Baicheng You chicken is an indigenous Chinese chicken breed presenting three main feather colors, lavender, black, and yellow plumages. To explore the genetic mechanisms underlying the pigmentation in Baicheng You chickens, we re-sequenced the whole genome of Baicheng You chicken with the three plumage colors. By analyzing the divergent regions of the genome among the chickens with different feather colors, we identified some candidate genomic regions associated with the feather colors in Baicheng You chickens. We found that EGR1, MLPH, RAB17, SOX5, and GRM5 genes were the potential genes for black, lavender, and yellow feathers. MLPH, GRM5, and SOX5 genes have been found to be related to plumage colors in birds. Our results showed that EGR1 is a most plausible candidate gene for black plumage, RAB17, MLPH, and SOX5 for lavender plumage, and GRM5 for yellow plumage in Baicheng You chicken.
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