نتایج جستجو برای: china and thailand isolates
تعداد نتایج: 16892837 فیلتر نتایج به سال:
To explore the epidemic history of HIV-1 CRF01_AE in China, 408 fragments of gag gene sequences of CRF01_AE sampled in 2002-2010 were determined from different geographical regions and risk populations in China. Phylogenetic analysis indicates that the CRF01_AE sequences can be grouped into four clusters, suggesting that at least four genetically independent CRF01_AE descendants are circulating...
Southeast Asia (the Thailand-Cambodia border) has been considered the primal epicenter for most antimalarial drug resistance; however, numerous molecular epidemiological studies have successively reported multiple independent origins of sulfadoxine-pyrimethamine (SP) resistance-associated Plasmodium falciparum dhfr (pfdhfr) and pfdhps alleles in other areas. To better understand the origin and ...
background: toxoplasmosis, a worldwide zoonotic disease, is caused by toxoplasma gondii . the distribution of genetic diversity of t. gondii in wild animals is of great importance to understand the transmission of the parasite in the environment. however, little is known about t. gondii prevalence in wild animals and birds in china. methods: we conducted the genetic characterization of t. gon...
Abstract Passionfruit ( Passiflora edulis ) is widely cultivated in tropical and subtropical regions around the world. Several viruses of genus Potyvirus pose serious threat to passion fruit production. The origin, dispersal evolution these potyviruses, however, are poorly understood. Here, we investigated genetic structure telosma mosaic virus (TelMV), a potyvirus that infects passionfruit Eas...
BACKGROUND Campylobacter jejuni is a major cause of gastroenteritis worldwide. In Thailand, several strains of C. jejuni have been isolated and identified as major diarrheal pathogens among adult travelers. To study the epidemiology of C. jejuni in adult travelers and U.S. military personnel with acute diarrhea in Thailand from 1998-2003, strains of C. jejuni were isolated and phenotypically id...
-Twenty four isolates of peanut stripe virus from 8 d1fferent countnes were compared under controlled cond1tions at the Centre de Coopération Internationale en Recherche Agronomique pour le Développement (CIRAD). Montpelher, France. The isolates had thetr origins from Burma, lndia, Jndones1a, Phîhppincs, China. Tha1\and and USA. Four of the isolates were collected from Thaîland in 1972 but mamt...
In this study, 1717 fungal clinical isolates causing invasive fungal infections were evaluated against nine antifungal agents using Clinical and Laboratory Standards Institute (CLSI) reference broth microdilution methods. The isolates comprised 1487 Candida spp., 109 Aspergillus spp., 86 non-Candida yeasts (including 52 isolates of Cryptococcus neoformans) and 35 rare moulds obtained during 201...
the geopolitics of afghanistan after september 11, 2001, and its impact on iranian national security
abstract u.s. attack to afghanistan after 9/11 provided opportunities for us who tried to become the dominant power after collapse of ussr and bipolar world. thinkers like fukuyama believed american liberal democrats thought would be universally accepted without resistances. liberal democracy is the best and final model of governance; in this regard, united state has moral responsibilities for...
Brown-headed gulls (Larus brunnicephalus), winter visitors of Thailand, were tracked by satellite telemetry during 2008-2011 for investigating their roles in the highly pathogenic avian influenza (HPAI) H5N1 virus spread. Eight gulls negative for influenza virus infection were marked with solar-powered satellite platform transmitters at Bang Poo study site in Samut Prakarn province, Thailand; t...
BACKGROUND The burden of shigellosis is greatest in resource-poor countries. Although this diarrheal disease has been thought to cause considerable morbidity and mortality in excess of 1,000,000 deaths globally per year, little recent data are available to guide intervention strategies in Asia. We conducted a prospective, population-based study in six Asian countries to gain a better understand...
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