Bos taurus
Ontology highlight
ABSTRACT:
PROVIDER: PRJDB14144 | ENA |
REPOSITORIES: ENA
Similar Datasets
Project description:Whole genome sequencing was performed to identify the responsible polymorphism for coat color dilution of Japanese Brown cattle.
2022-04-28 | PRJEB52445 | EVA
Project description:A candidate mutation responsible for coat color dilution in cattle
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Project description:Coat color mainly reflects pigmentation resulting from melanin. Wool color is one of the most visible and heritable traits in sheep. Although several detailed molecular mechanisms involved in coat color have been elucidated, our understanding of differences in gene expression patterns of wool color-related genes in Chinese Merino (Junken type) is limited. We employed the Affymetrix microarray to identify differentially expressed genes. 122 genes were differentially expressed, consisting of 117 upregulated and 5 downregulated genes that were related to black/brown skin. The expression level of the BMP2, BMP4, TYRP1, LEPR, DCT, BMPR1A, and TP45A genes was validated by qRT-PCR, and the results coincided with those of microarray. The expression level of ASIP in the black/brown group was significantly lower than that of the white group, suggesting that this plays a key role in the regulation of wool pigmentation. Some cloned color genes (MITF, MC1R, GPR143, and KIT) showed no significant differences in expression levels between the black/brown- and white-skinned sheep. Functional annotation by using Gene Ontology (GO) showed that the differentially expressed genes enriched specific GO terms, particularly those relating to melanin biosynthesis and metabolic processes. KEGG pathway analysis indicated that the categories of tyrosine metabolism and melanogenesis pathway were enriched with differentially expressed genes. Taken together, the present study has shown that the tyrosine metabolism pathway plays an essential role in regulating wool color. The findings of this study may also be utilized in the elucidation of the molecular mechanisms and relationship between genes and wool color in Chinese Merino (Junken type). We used microarrays to detail the global programme of gene expression and identified distinct different expression genes of skin in different coat color Chinese Merino (Junken type).
2018-04-01 | GSE98180 | GEO
Project description:Wandong cattle are an autochthonous Chinese breed used extensively for beef production. The breed tolerates extreme weather conditions and raw feed and are resistant to tick-borne diseases. However, the genetic basis of testis development and sperm production as well as breeding management is not well established in local cattle. In this study, we performed total RNA-Seq and comprehensively analyzed the circ-RNA expression profiling of the testes samples of six bulls at 3 years and 3 months of developmental age. In total, 17 013 circ-RNAs were identified, of which 681 circRNAs (P-adjust < 0.05) were differentially expressed (DE). Among these DE circ-RNAs, 579 were upregulated and 103 were downregulated in calf and bull testes. The Gene ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analyses revealed that the identified target genes were classified into three broad functional categories, including biological process, cellular component, and molecular function, and were enriched in the lysine degradation, cell cycle, and cell adhesion molecule pathways.
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Project description:Kazakh cattle and Xinjiang brown cattle Raw sequence reads
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Project description:The coat color of mammals is determined by the melanogenesis pathway, which is responsible for maintaining the balance between black-brown eumelanin and yellow-reddish phaeomelanin. It is also believed that the color of the bovine nose is regulated in a similar manner; however, the molecular mechanism underlying pigment deposition in the black nose has yet to be elucidated. The aim of the present study was to identify melanogenesis-associated genes that are differentially expressed in the black vs. yellow nose of native Korean cows.
2013-12-26 | GSE53657 | GEO
Project description:The inherent diversity of canines is closely intertwined with the unique color patterns of each dog population. These variations in color patterns are believed to have originated through mutations and selective breeding practices that occurred during and after the domestication of dogs from wolves. To address the significant gaps that persist in comprehending the evolutionary processes that underlie the development of these patterns, we generated and analyzed deep-sequenced genomes of 113 Korean indigenous Jindo dogs that represent five distinct color patterns to identify the associated mutations in CBD103, ASIP, and MC1R. The degree of linkage disequilibrium and estimated allelic ages consistently indicate that the black-and-tan dogs descend from the first major founding population on Jindo island, compatible with the documented literature. We additionally demonstrate that black-and-tan dogs, in contrast to other color variations within the breed, exhibit a closer genetic affinity to ancient wolves from western Eurasia than those from eastern Eurasia. Lastly, population-specific genetic variants with moderate effects were identified, particularly in loci associated with traits underlying body size and behavioral variations, potentially explaining the observed phenotypic diversity based on coat colors. Overall, comparisons of whole genome sequences of each coat color population diverged from the same breed provided an unprecedented glimpse into the properties of evolutionary processes maintaining variation in Korean Jindo dog populations that were previously inaccessible.
2024-04-05 | E-MTAB-13939 | biostudies-arrayexpress