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Chủ đề : Genetic Diversity


Có 20+ tài liệu thuộc chủ đề "Genetic Diversity"

Zea mays RNA-seq estimated transcript abundances are strongly affected by read mapping bias

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Quinn et al. If reads from B73 alleles preferentially aligned to the B73 genome relative to reads from Mo17 alleles, RILs with B73 alleles at cis-eQTL would have higher transcript abundances than RILs with Mo17 alleles.. Using the B73 genome as a reference, we detected 9306 cis- eQTL out of 22,408 variable genes. In contrast, using Mo17 the reference genome...

Population and subspecies diversity at mouse centromere satellites

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We show that minor satellite copy number varies more than 10-fold among inbred mouse strains, whereas major satellite copy numbers span a 3-fold range. Intriguingly, we also find that wild-caught mice harbor dramatically reduced minor satellite copy number and elevated satellite sequence heterogeneity compared to inbred strains, suggesting that. The minor satellite region is flanked by a 234-bp major satellite...

Prevalence, antibiotic resistance, virulence and genetic diversity of Staphylococcus aureus isolated from bulk tank milk samples of U.S. dairy herds

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Prevalence, antibiotic resistance, virulence and genetic diversity of Staphylococcus aureus isolated from bulk tank milk. Background: Colonization of dairy cows by Staphylococcus aureus (S. Staphylococcus aureus (S. Staphylococcus aureus is considered the third most important cause of disease in the world among the reported foodborne ill- nesses [4]. Staphylococcus aureus can acquire the staphylococcal cassette chromosome SCCmec, giv- ing rise...

Characterization of a haplotype-reference panel for genotyping by low-pass sequencing in Swiss Large White pigs

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Using this approach, we selected 70 key ancestors from two lines of the Swiss Large White breed that have been selected divergently for fertility and fattening traits and sequenced their genomes with short paired-end reads.. Results: Using pedigree records, we estimated the effective population size of the dam and sire line to 72 and 44, respectively. The boars explained 87.95...

Mitogenomic diversity and phylogeny analysis of yak (Bos grunniens)

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Therefore, it is widely used in the study of biological phylogeny. The mitotype diversity ofthe five populations was Xueduo yak Pamir yak Yushu yak (0.963. Theyaks in the same population or the same ecological environment were distributedin different haplogroups. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise...

Single nucleotide polymorphisms reveal genetic diversity in New Mexican chile peppers (Capsicum spp.)

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Background: Chile peppers (Capsicum spp.) are among the most important horticultural crops in the world due to their number of uses. They are considered a major cultural and economic crop in the state of New Mexico in the United States. A Bayesian clustering approach for the Capsicum population inferred K = 2 as the optimal number of clusters, where the...

Assessing genomic diversity and signatures of selection in Jiaxian Red cattle using whole-genome sequencing data

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Assessing genomic diversity and signatures of selection in Jiaxian Red cattle using. Using whole-genome sequencing (WGS) data of 30 animals from the core breeding farm, we investigated the genetic diversity, population structure and genomic regions under selection of Jiaxian Red cattle. Furthermore, we used 131 published genomes of world-wide cattle to characterize the genomic variation of Jiaxian Red cattle.. Results:...

Genome-wide patterns of differentiation within and among U.S. commercial honey bee stocks

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commercial honey bee stocks. honey bee stocks remain poorly characterized despite the agricultural importance of Apis mellifera as the major crop pollinator. The variety of bees produced by artificial selection provides an opportunity to characterize the genetic diversity and regions of the genome undergoing selection in commonly managed stocks.. Results: Pooled sequencing of eight honey bee stocks found strong genetic...

Genetic diversity analysis of a flax (Linum usitatissimum L.) global collection

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Genetic diversity analysis of a flax ( Linum usitatissimum L.) global collection. To maximize genetic gain of the North Dakota State University (NDSU) flax breeding program, we aimed to increase the genetic diversity of its parental stocks by incorporating diverse genotypes. Results: All the genotypes tested clustered into seven sub-populations (P1 to P7) based on the admixture model and the...

Whole-genome DNA similarity and population structure of Plasmodiophora brassicae strains from Canada

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population structure of Plasmodiophora brassicae strains from Canada. Information on genetic similarity among pathogen populations across Canada could be useful in estimating the genetic variation in pathogen populations, predicting the effect of subsequent selection pressure on changes in the pathogen population over time, and even in identifying the origin of the initial pathogen introduction to canola in Alberta.. Similarly, at...