نتایج جستجو برای: multilocus phylogeny
تعداد نتایج: 25567 فیلتر نتایج به سال:
Previous studies on the phylogenetic relationships between lamprey species relied either a low number of morphological characters related to feeding apparatus, or molecular mitochondrial DNA markers. Here, we apply multilocus approach assess northern hemisphere lampreys, with special emphasis 17 European species. The study comprises two (cytochrome c oxidase subunit 1 gene—DNA barcodes, and cyt...
background and objectives: strains of shigella spp. can cause shigellosis, or bacillary dysentery.that is a public health problem worldwide. the aim of this study was to describe the population structure and genetic relatedness of multidrug resistant s. sonnei and s. flexneri isolated during a one year period from children with diarrhea in tehran, iran. materials and methods: a total of 70 shig...
results two bacterial types, st208, and st218, were identified in all 140 samples. the st208 mainly came from icu and department of respiratory medicine, while st218 from department of plastic surgery; 70.21% of st208 and 84.78% of st218 were carbapenem-resistant acinetobacter baumannii (crab) and carbapenem-susceptible acinetobacter baumannii (csab), respectively. multidrug-resistance genes in...
In order to perform breeding programs and improve production of native chickens, preserving genetic diversity in different areas of Iran is important due to the reduced available population. Genome sequencing is considered the most functional approach to determine the phylogeny relation between close populations. The aim of the present study was the evaluation of the phylogeny and genetic nucle...
Single Nucleotide Polymorphisms (SNPs) are the most usual form of polymorphism in human genome.Analyses of genetic variations have revealed that individual genomes share common SNP-haplotypes. Theparticular pattern of these common variations forms a block-like structure on human genome. In this work,we develop a new method based on the Perfect Phylogeny Model to identify haplo...
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