نتایج جستجو برای: multilocus phylogeny
تعداد نتایج: 25567 فیلتر نتایج به سال:
The avian family Paridae (tits and chickadees) contains c. 55 species distributed in the Palearctic, Nearctic, Afrotropics and Indomalaya. The group includes some of the most well-known and extensively studied avian species, and the evolutionary history, in particular the post-glacial colonization of the northern latitudes, has been comparably well-studied for several species. Yet a comprehensi...
background: cryptosporidium species are important cause of diarrheal diseases in both developing and developed countries. this study aimed to compare the perfor-mance of several molecular methods for identification of cryptosporidium species, and to detect genetic variation among each of these species isolated from iran, ma-lawi, nigeria, vietnam and the united kingdom. methods: the oocysts dna...
A multilocus sequence analysis (MLSA) was established and performed on the genus Thioclava, including 23 strains isolated from diverse marine environments, with the aim of better differentiation of strains and species within this genus. The study was based on sequences of 16S rRNA gene and five protein-coding housekeeping genes, gyrB, rpoD, dnaK, trpB, and recA. In contrast to 16S rRNA gene-bas...
background: salmonella enterica serovar typhimurium is one of the most important serovars of salmonella enterica and is associated with human salmonellosis worldwide. many epidemiological studies have focused on the characteristics of salmonella typhimurium in many countries as well as in asia. this study was conducted to investigate the genetic characteristics of salmonella typhimurium using m...
Market share and quality, or customer satisfaction, go hand in hand. Yet it is hard to find in the literature a clear formal statement to the effect that higher market share indicates higher quality. Indeed, such an inference would need detailed information about customer behavior. Moreover, even when that data is available, the validity of the inference is cast in doubt by common modes of beha...
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