Impact of Ultraviolet Radiation on Skin and Blood Melanin Traits in Xichou Black-Boned Chicken: A Transcriptomic and Metabolomic Study
This study investigated the effects of ultraviolet A (UVA) radiation on the blackness traits of Xichou Black-boned Chickens and their underlying molecular mechanisms through combined transcriptomic and metabolomic analyses. A total of 240 one-day-old Xichou Black-boned Chickens were randomly divided...
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MDPI AG
2025-01-01
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| Series: | Animals |
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| author | Xinlu Li Zhongxiao Tian Haojie Li Lei Tan Yong Zhang Changrong Ge Kun Wang |
| author_facet | Xinlu Li Zhongxiao Tian Haojie Li Lei Tan Yong Zhang Changrong Ge Kun Wang |
| author_sort | Xinlu Li |
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| description | This study investigated the effects of ultraviolet A (UVA) radiation on the blackness traits of Xichou Black-boned Chickens and their underlying molecular mechanisms through combined transcriptomic and metabolomic analyses. A total of 240 one-day-old Xichou Black-boned Chickens were randomly divided into four groups and exposed to different durations of UVA radiation at an intensity of 47 μW/cm<sup>2</sup>. Skin blackness was measured at 1, 22, and 45 days of age, and blood and pectoral skin samples were collected at 45 days for analysis. The results showed that an exposure time of 1 h per day at 47 μW/cm<sup>2</sup> was ideal for enhancing the blackness traits of the chickens, while exposure times exceeding 3 h led to a significant increase in mortality. Omics studies revealed that the mTOR pathway and tryptophan metabolism pathway are potentially involved in the biological processes by which UVA radiation affects the blackness traits of Xichou Black-boned Chickens, with the <i>FZD3</i> gene being a candidate gene for these effects. These findings provide theoretical foundations and references for understanding the molecular regulation of blackness traits in these chickens and the potential application of UVA radiation in their production. |
| format | Article |
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| institution | Kabale University |
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| language | English |
| publishDate | 2025-01-01 |
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| series | Animals |
| spelling | doaj-art-0e8c848d192a460d99500ff857f8abe32025-01-24T13:17:43ZengMDPI AGAnimals2076-26152025-01-0115214110.3390/ani15020141Impact of Ultraviolet Radiation on Skin and Blood Melanin Traits in Xichou Black-Boned Chicken: A Transcriptomic and Metabolomic StudyXinlu Li0Zhongxiao Tian1Haojie Li2Lei Tan3Yong Zhang4Changrong Ge5Kun Wang6College of Animal Science and Technology, Yunnan Agricultural University, Kunming 650201, ChinaCollege of Animal Science and Technology, Yunnan Agricultural University, Kunming 650201, ChinaCollege of Animal Science and Technology, Yunnan Agricultural University, Kunming 650201, ChinaCollege of Animal Science and Technology, Yunnan Agricultural University, Kunming 650201, ChinaCollege of Animal Science and Technology, Yunnan Agricultural University, Kunming 650201, ChinaCollege of Animal Science and Technology, Yunnan Agricultural University, Kunming 650201, ChinaCollege of Animal Science and Technology, Yunnan Agricultural University, Kunming 650201, ChinaThis study investigated the effects of ultraviolet A (UVA) radiation on the blackness traits of Xichou Black-boned Chickens and their underlying molecular mechanisms through combined transcriptomic and metabolomic analyses. A total of 240 one-day-old Xichou Black-boned Chickens were randomly divided into four groups and exposed to different durations of UVA radiation at an intensity of 47 μW/cm<sup>2</sup>. Skin blackness was measured at 1, 22, and 45 days of age, and blood and pectoral skin samples were collected at 45 days for analysis. The results showed that an exposure time of 1 h per day at 47 μW/cm<sup>2</sup> was ideal for enhancing the blackness traits of the chickens, while exposure times exceeding 3 h led to a significant increase in mortality. Omics studies revealed that the mTOR pathway and tryptophan metabolism pathway are potentially involved in the biological processes by which UVA radiation affects the blackness traits of Xichou Black-boned Chickens, with the <i>FZD3</i> gene being a candidate gene for these effects. These findings provide theoretical foundations and references for understanding the molecular regulation of blackness traits in these chickens and the potential application of UVA radiation in their production.https://www.mdpi.com/2076-2615/15/2/141ultraviolet radiationXichou Black-boned Chickenblacknesstranscriptomicsmetabolomics |
| spellingShingle | Xinlu Li Zhongxiao Tian Haojie Li Lei Tan Yong Zhang Changrong Ge Kun Wang Impact of Ultraviolet Radiation on Skin and Blood Melanin Traits in Xichou Black-Boned Chicken: A Transcriptomic and Metabolomic Study Animals ultraviolet radiation Xichou Black-boned Chicken blackness transcriptomics metabolomics |
| title | Impact of Ultraviolet Radiation on Skin and Blood Melanin Traits in Xichou Black-Boned Chicken: A Transcriptomic and Metabolomic Study |
| title_full | Impact of Ultraviolet Radiation on Skin and Blood Melanin Traits in Xichou Black-Boned Chicken: A Transcriptomic and Metabolomic Study |
| title_fullStr | Impact of Ultraviolet Radiation on Skin and Blood Melanin Traits in Xichou Black-Boned Chicken: A Transcriptomic and Metabolomic Study |
| title_full_unstemmed | Impact of Ultraviolet Radiation on Skin and Blood Melanin Traits in Xichou Black-Boned Chicken: A Transcriptomic and Metabolomic Study |
| title_short | Impact of Ultraviolet Radiation on Skin and Blood Melanin Traits in Xichou Black-Boned Chicken: A Transcriptomic and Metabolomic Study |
| title_sort | impact of ultraviolet radiation on skin and blood melanin traits in xichou black boned chicken a transcriptomic and metabolomic study |
| topic | ultraviolet radiation Xichou Black-boned Chicken blackness transcriptomics metabolomics |
| url | https://www.mdpi.com/2076-2615/15/2/141 |
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