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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Genetic effects of the transcription factors-sal-like 1 and spalt-like transcription factor 3 on egg production-related traits in Chinese Dagu hens
Journal of Experimental Zoology Part A: Ecological and Integrative Physiology, Volume 329, No. 1, Year 2018
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Description
Transcription factors (TFs) encoded by SALL1 and SALL3 genes play central roles in the regulation of ovarian development in hens. The present study aimed to examine polymorphisms of these two genes in Chinese Dagu chickens, and to identify the effects of TFs on the laying performance. Among the population, two novel single-nucleotide polymorphisms (SNPs) were identified by single-strand conformation polymorphism (SSCP) in the amplicons of the candidate genes. The effect of the SNP (729C > A) in exon 2 of SALL1 gene on egg production at 43, 57, and 66 weeks and EW at 30 and 43 weeks were the most significant in the 360 samples (P < 0.05). Moreover, for the SNP 1014T > A (in exon 2 of SALL3), the TT genotype was significantly correlated with higher egg production and EW (P < 0.05). Furthermore, four combined genotypes were reconstructed based on the two SNPs. The combined genotype TATT was correlated with the highest egg production at 43–66 weeks and with higher EW at 30, 43 weeks (P < 0.05). The polymorphisms of the two TFs studied are potential molecular genetic markers for chicken breeding, which might help in understanding the genetic structure of laying performance and improving these traits directly by marker-assisted selection (MAS). © 2018 Wiley Periodicals, Inc.
Authors & Co-Authors
Qin, Ning
China, Changchun
Jilin Agricultural University
Tyasi, Louis Louis
China, Changchun
Jilin Agricultural University
Xu, Rifu
China, Changchun
Jilin Agricultural University
Statistics
Citations: 6
Authors: 3
Affiliations: 2
Identifiers
Doi:
10.1002/jez.2156
ISSN:
24715638
Research Areas
Genetics And Genomics
Study Design
Cross Sectional Study