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RISS 인기검색어
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- 저자 : Mahajan Shruti (검색결과 1 건)
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Genome sequencing and de novo and reference-based genome assemblies of Bos indicus breeds
Chakraborty Abhisek,Bisht Manohar S.,Saxena Rituja,Mahajan Shruti,Pulikkan Joby,Sharma Vineet K. 한국유전학회 2023 Genes & Genomics Vol.45 No.11
Background Indian cattle breeds (Bos indicus) are known for their remarkable adaptability to hot and humid climates, higher nutritious quality of milk, better disease tolerance, and greater ability to perform in poor feed compared to taurine cattle (Bos taurus). Distinct phenotypic differences are observed among the B. indicus breeds; however, the whole genome sequences were unavailable for these indigenous breeds. Objective We aimed to perform whole genome sequencing to construct the draft genome assemblies of four B. indicus breeds; Ongole, Kasargod Dwarf, Kasargod Kapila, and Vechur (the smallest cattle of the world). Methods We sequenced the whole genomes using Illumina short-read technology, and constructed de novo and reference-based genome assemblies of these native B. indicus breeds for the first time. Results The draft de novo genome assemblies of B. indicus breeds ranged from 1.98 to 3.42 Gbp. We also constructed the mitochondrial genome assemblies (~ 16.3 Kbp), and yet unavailable 18S rRNA marker gene sequences of these B. indicus breeds. The genome assemblies helped to identify the bovine genes related to distinct phenotypic characteristics and other biological processes for this species compared to B. taurus, which are plausibly responsible for providing better adaptive traits. We also identified the genes that showed sequence variation in dwarf and non-dwarf breeds of B. indicus compared to B. taurus. Conclusions The genome assemblies of these Indian cattle breeds, the 18S rRNA marker genes, and identification of the distinct genes in B. indicus breeds compared to B. taurus will help in future studies on these cattle species.
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