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Mostrando 281 - 300 Resultados de 944 Para Buscar '"Bos taurus"', tiempo de consulta: 0.16s Limitar resultados
  1. 281
    “…BACKGROUND: There are two genetically distinct subspecies of cattle, Bos taurus taurus and Bos taurus indicus, which arose from independent domestication events. …”
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    Distinctive gene expression patterns and imprinting signatures revealed in reciprocal crosses between cattle sub-species
  2. 282
    “…The greatest level of genetic differentiation was detected between the Bos taurus and Bos indicus breeds. When the Bos indicus breeds were excluded from the analysis, genetic differences among beef versus dairy and European versus Asian breeds were detected among the Bos taurus breeds. …”
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    An assessment of population structure in eight breeds of cattle using a whole genome SNP panel
  3. 283
    por Walker, Angela M, Roberts, R Michael
    Publicado 2009
    “…RESULTS: The Type I IFN locus in Bos taurus has undergone significant rearrangement and expansion compared to mouse and human, however, with the constituent genes separated into two sub-loci separated by >700 kb. …”
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    Characterization of the bovine type I IFN locus: rearrangements, expansions, and novel subfamilies
  4. 284
    “…Here, we demonstrate evidence of parallel evolution in adaptive tolerance to heat stress in dwarf cattle breeds (DCB, Bos taurus indicus) and compare their thermoregulatory responses with those in standard size cattle breeds (SCB, crossbred, Bos taurus indicus × Bos taurus taurus). …”
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    Size does matter: Parallel evolution of adaptive thermal tolerance and body size facilitates adaptation to climate change in domestic cattle
  5. 285
    “…Additional in silico analyses suggested Bos taurus-specific C-MYC exonization, alternative splicing, and binding sites for non-coding RNAs. …”
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    Evolutionary-driven C-MYC gene expression in mammalian fibroblasts
  6. 286
    “…METHODS: Medium- and high-density SNP genotype data (Illumina BovineSNP50 and BovineHD Beadchip) for 4231 animals sampled from African crossbreds, African Bos taurus, European Bos taurus, Bos indicus, and African indigenous populations were used. …”
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    SNP panels for the estimation of dairy breed proportion and parentage assignment in African crossbred dairy cattle
  7. 287
    “…The B. bubalis PRLR gene differed from the corresponding Bos taurus at 21 positions and four differences with an additional arginine at position 620 in the PPARGC1A gene were found in the amino acid sequence. …”
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    Characterization of PRLR and PPARGC1A genes in buffalo (Bubalus bubalis)
  8. 288
    “…Cattle in tropical and sub-tropical regions for example, originate from two subspecies, Bos taurus indicus (Bos indicus) and Bos taurus taurus (Bos taurus). …”
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    Concurrently mapping quantitative trait loci associations from multiple subspecies within hybrid populations
  9. 289
    “…Crossbred cows (50% Bos taurus × 50% Bos indicus) presented a lower annual emission of enteric methane compared to other cows with a greater European background. …”
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    Enteric Methane Emissions in Dairy Cows with Different Genetic Groups in the Humid Tropics of Costa Rica
  10. 290
    “…In this work, we focused on copy number variation in the bovine genome, with the aim to detect CNVs in Bos taurus coding sequence and explore potential evolutionary mechanisms shaping these CNV. …”
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    Evolutionary and Functional Features of Copy Number Variation in the Cattle Genome
  11. 291
    “…In this study, we analyzed whole-genome resequencing (WGS) data of ten individuals from Austrian Fleckvieh (Bos taurus) and fifty individuals from 14 Chinese indigenous breeds (Bos taurus, Bos taurus indicus, and admixed). …”
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    Favored single nucleotide variants identified using whole genome Re-sequencing of Austrian and Chinese cattle breeds
  12. 292
    “…The ovine genomic regions encoding putative candidate genes were compared with the corresponding areas in Bos taurus, as the taurine genome is better annotated. …”
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    Signatures of selection identify loci associated with milk yield in sheep
  13. 293
    “…Secondly, we exploit the described differential susceptibility to BTB between the ancestral strains to identify a region in which Bos taurus ancestry associates, at suggestive significance, with skin test positivity. …”
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    Admixture mapping of tuberculosis and pigmentation-related traits in an African–European hybrid cattle population
  14. 294
    “…Since domestication, population bottlenecks, breed formation, and selective breeding have radically shaped the genealogy and genetics of Bos taurus. In turn, characterization of population structure among diverse bull (males of Bos taurus) genomes enables detailed assessment of genetic resources and origins. …”
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    Population Structure Analysis of Bull Genomes of European and Western Ancestry
  15. 295
    “…The Georgian Mountain Cattle (GMC) (Species: Bos taurus Linnaeus, 1758 – aurochs, domesticated cattle, domestic cattle (feral), Aurochs, Subspecies: Bos taurus taurus Linnaeus, 1758) is a local breed from Georgia. …”
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    The first complete mitogenomes and phylogeny of Georgian Mountain Cattle
  16. 296
    “…In this study, 22 FGF genes distributed on 15 chromosomes were identified in the Bos taurus genome and clustered into seven subfamilies according to phylogenetic analysis and conservative domains. …”
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    Genome-Wide Identification and Characterization of Bovine Fibroblast Growth Factor (FGF) Gene and Its Expression during Adipocyte Differentiation
  17. 297
    “…Cattle breeding routinely uses crossbreeding between subspecies (Bos taurus taurus and Bos taurus indicus) to form composite breeds, such as Brangus. …”
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    Genomic Breed Composition of Selection Signatures in Brangus Beef Cattle
  18. 298
    “…Romosinuano is a tropically adapted Bos taurus breed, and some Mexican breeders aim to improve it genetically. …”
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    Allelic and genotypic frequencies of SNP related to beef and carcass quality in Romosinuano cattle in Mexico
  19. 299
    “…RESULTS: Linkage disequilibrium was assessed using r(2 )among all pairs of syntenic markers within eight breeds of cattle from the Bos taurus and Bos indicus subspecies. Bos taurus breeds included Angus, Charolais, Dutch Black and White Dairy, Holstein, Japanese Black and Limousin while Bos indicus breeds included Brahman and Nelore. …”
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    Whole genome linkage disequilibrium maps in cattle
  20. 300
    “…The main goal of our study is to determine if LOS shows similar loss-of-imprinting at loci known to be misregulated in BWS. To test this, Bos taurus indicus × Bos taurus taurus F1 hybrids were generated by artificial insemination (AI; control) or by ART. …”
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    Large offspring syndrome: A bovine model for the human loss-of-imprinting overgrowth syndrome Beckwith-Wiedemann
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