نتایج جستجو برای: nanoviridae
تعداد نتایج: 21 فیلتر نتایج به سال:
Banana bunchy top virus (BBTV; family Nanoviridae, genus Babuvirus) is a multi-component single-stranded DNA virus, which infects banana plants in many regions of the world, often resulting in large-scale crop losses. We analyzed 171 banana leaf samples from fourteen countries and recovered, cloned, and sequenced 855 complete BBTV components including ninety-four full genomes. Importantly, full...
Viruses are among the most abundant biological entities in ocean, largely responsible of modulating nutrients fluxes and influencing microbial composition functioning. In marine invertebrate holobionts like sponges their associated microbiomes, little is known about virome composition. Here, we characterized Haliclona fulva hologenome, an encrusting low-microbial abundance sponge found across W...
The recent identification of a new nanovirus, pea necrotic yellow dwarf virus, from pea in Germany prompted us to survey wild and cultivated legumes for nanovirus infections in several European countries. This led to the identification of two new nanoviruses: black medic leaf roll virus (BMLRV) and pea yellow stunt virus (PYSV), each considered a putative new species. The complete genomes of a ...
Single-stranded DNA (ssDNA) viruses have genomes that are potentially capable of forming complex secondary structures through Watson-Crick base pairing between their constituent nucleotides. A few of the structural elements formed by such base pairings are, in fact, known to have important functions during the replication of many ssDNA viruses. Unknown, however, are (i) whether numerous additio...
Transitions between saline and fresh waters have been shown to be infrequent for microorganisms. Based on host-specific interactions, the presence of specific clades among hosts suggests the existence of freshwater-specific viral clades. Yet, little is known about the composition and diversity of the temperate freshwater viral communities, and even if freshwater lakes and marine waters harbor d...
Introducción. Las musáceas comestibles son consideradas cultivos estratégicos en la seguridad alimentaria de muchos países e importantes su economía y dieta. No obstante, se encuentran amenazadas por diversos organismos fitopatógenos. Objetivo. Reseñar los rasgos significativos enfermedad del racimo cogolloso o Banana bunchy top virus (BBTV) causada un familia Nanoviridae, género Babuvirus, que...
The frequent interactions of rodents with humans make them a common source of zoonotic infections. To obtain an initial unbiased measure of the viral diversity in the enteric tract of wild rodents we sequenced partially purified, randomly amplified viral RNA and DNA in the feces of 105 wild rodents (mouse, vole, and rat) collected in California and Virginia. We identified in decreasing frequenc...
ویروس همراه با کوتولگی زرد تلخهبیان (Sophora yellow stunt-associated virus, SYSaV) از جنس Nanovirus و خانواده Nanoviridaeیک ویروس جدید از این جنس است که اخیراً از ایران گزارش شده است و دارای گسترش وسیعی در مناطق مختلف این کشور است. در این تحقیق، به منظور شناسایی سایر میزبانهای طبیعی این ویروس، آلودگی نخود ایرانی (Cicer arietinum L.)، عدس (Lens culinaris Medi...
زردی از علائم شایع در مزارع نخود در دنیا و ایران می باشد. ویروس زردی بافت مرده باقلا (Faba bean necrotic yellows virus, FBNYV) از جنس Nanovirus، تیره Nanoviridae، از عوامل ویروسی همراه با عارضه زردی می باشد. در سال‌های 1395-1394 نمونه‌های نخود با علائم زردی از استان‌‌های لرستان و کرمانشاه جمع آوری و پس از استخراج دی‌ان‌ا، آلودگی به نانو ویروس با استفاده از جفت آغازگر اختصاصی در آنها ردیابی گرد...
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