Photosensitivity and Photoreactions in Pediatric Skin of Color

Feely, Meghan; Leo, Vincent A. De

doi:10.1007/978-1-4614-6654-3_40

Cited by 1 publication

(1 citation statement)

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“…For example, Yang et al (2012) found that one SNP of BCO2 (chr24: 6273428) was the same among three yellow skin chicken breeds. Xu et al (2015) reported that the three classic SNPs of BCO2 and the yellow skin traits of Gushi chickens were not statistically correlated. In our experiment, both mRNA expression and association analysis showed that BCO2 and skin yellowness values were not correlated.…”

Section: Discussionmentioning

confidence: 99%

Characterization of Chicken Skin Yellowness and Exploration of Genes Involved in Skin Yellowness Deposition in Chicken

Lin

Geng-Hua

et al. 2021

Front. Physiol.

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Skin color is an important economic trait in meat-type chickens. A uniform bright skin color can increase the sales value of chicken. Chickens with bright yellow skin are more popular in China, especially in the broiler market of South China. However, the skin color of chickens can vary because of differences in breeds, diet, health, and individual genetics. To obtain greater insight into the genetic factors associated with the process of skin pigmentation in chickens, we used a colorimeter and high-resolution skin photographs to measure and analyze the skin color of chickens. By analyzing 534 chickens of the same breed, age, and feed condition, we found that the yellowness values of the chickens varied within this population. A significant positive correlation was found between the cloacal skin yellowness values before and after slaughter, and the cloacal skin yellowness value of live chickens was positively correlated with the overall body skin yellowness value. Additionally, chicken skin yellowness exhibited low heritability, ranging from 0.07 to 0.27. Through RNA sequencing, 882 genes were found to be differentially expressed between the skin with the highest and lowest yellowness values. Some of these differentially expressed genes may play an important role in yellow pigment deposition in chicken skin, which included TLR2B, IYD, SMOC1, ALDH1A3, CYP11A1, FHL2, TECRL, ACACB, TYR, PMEL, and GPR143. In addition, we found that the expression and variations of the BCO2 gene, which is referred to as the yellow skin gene, cannot be used to estimate the skin yellowness value of chickens in this population. These data will help to further our understanding of chicken skin yellowness and might contribute to the selection of specific chicken strains with consistent skin coloration.

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Section: Discussionmentioning

confidence: 99%