نتایج جستجو برای: pseudorasbora parva
تعداد نتایج: 812 فیلتر نتایج به سال:
We sequenced the genome of Theileria orientalis, a tick-borne apicomplexan protozoan parasite of cattle. The focus of this study was a comparative genome analysis of T. orientalis relative to other highly pathogenic Theileria species, T. parva and T. annulata. T. parva and T. annulata induce transformation of infected cells of lymphocyte or macrophage/monocyte lineages; in contrast, T. oriental...
Although immunodominance of CD8(+) T-cell responses is a well-recognised feature of viral infections, its role in responses to more antigenically complex pathogens is less clear. In previous studies we have observed that CD8(+) T-cell responses to Theileria parva exhibit different patterns of parasite strain specificity in cattle of different MHC genotypes. In the current study, we demonstrated...
The Theileria genus includes a large number of species of tick-borne parasites that infect domestic animals and wildlife species, predominantly ruminants. These range from species, such as T. parva and T. annulata, which cause acute lymphoproliferative diseases in cattle resulting in high levels of mortality, to others that are non-pathogenic. In the last decade, several new pathogenic species ...
East Coast fever, caused by the tick-borne intracellular apicomplexan parasite Theileria parva, is a highly fatal lymphoproliferative disease of cattle. The pathogenic schizont-induced lymphocyte transformation is a unique cancer-like condition that is reversible with parasite removal. Schizont-infected cell-directed CD8(+) cytotoxic T lymphocytes (CTL) constitute the dominant protective bovine...
چکیده خیارهای دریایی در شاخه خارپوستان رده خیارسانان قرار داشته و در حال حاضر تقریبا 1400 گونه ی زنده از این رده شناسایی شده است. در این مطالعه به منظور بررسی تنوع ژنتیکی خیار دریایی گونه holothuria parva با با استفاده از mtdna و روش pcr-rflp، تعداد 14 نمونه از بندر بوشهر و 14 نمونه از بندر لنگه جمع آوری گردید و در اتانول 96% تثبیت و به آزمایشگاه بیوتکنولوژی انتقال داده شد. استخراج dna به روش ...
The disease caused by the apicomplexan protozoan parasite Theileria parva, known as East Coast fever or Corridor disease, is one of the most serious cattle diseases in Eastern, Central, and Southern Africa. We performed whole-genome sequencing of nine T. parva strains, including one of the vaccine strains (Kiambu 5), field isolates from Zambia, Uganda, Tanzania, or Rwanda, and two buffalo-deriv...
This work illustrates the toxicological impact of pesticide methyl parathion (MP) (dust—2 % active ingredient, a.i.) on growth and reproduction performance in tropical earthworms: Metaphire posthuma (endogeic), Lampito mauritii (anecic) and Allolobophora parva (epigeic). A total of three concentrations (a.i. g kg dry test soil), 1.00 (T1), 1.125 (T2) and 2.25 (T3) of MP, were applied in test su...
Most of the well-characterized mitochondrial genomes from diverse green algal lineages are circular mapping DNA molecules; however, Chlamydomonas reinhardtii has a linear 15.8 kb unit mitochondrial genome with 580 or 581 bp inverted repeat ends. In mitochondrial-enriched fractions prepared from Polytomella parva (=P. agilis), a colorless, naturally wall-less relative of C. reinhardtii, we have ...
Class I major histocompatibility complex-restricted parasite-specific cytotoxic T lymphocytes (CTL) are known to be a major component of the bovine immune response to the protozoan parasite Theileria parva, but formal proof for their role in protection of cattle against infection with T. parva has been lacking. Animals immunized with one stock of T. parva show variations in the degree of protec...
Turneriella parva Levett et al. 2005 is the only species of the genus Turneriella which was established as a result of the reclassification of Leptospira parva Hovind-Hougen et al. 1982. Together with Leptonema and Leptospira, Turneriella constitutes the family Leptospiraceae, within the order Spirochaetales. Here we describe the features of this free-living aerobic spirochete together with the...
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