نتایج جستجو برای: pomovirus
تعداد نتایج: 14 فیلتر نتایج به سال:
Potato mop-top pomovirus (PMTV) is one of a few viruses that can move systemically in plants in the absence of the capsid protein (CP). Pomoviruses encode the triple gene block genetic module of movement proteins (TGB 1, 2, and 3) and recent research suggests that PMTV RNA is transported either as ribonucleoprotein (RNP) complexes containing TGB1 or encapsidated in virions containing TGB1. Furt...
Cellular chaperones and folding enzymes play central roles in the formation of positive-strand and negative-strand RNA virus infection. This article examines the key cellular chaperones and discusses evidence that these factors are diverted from their cellular functions to play alternative roles in virus infection. For most chaperones discussed, their primary role in the cell is to ensure prote...
abstract beet soilborne virus (bsbv) is a member of the genus pomovirus, with rod shaped particles and three plus single - stranded of rna. bsbv is morphologically similar to beet necrotic yellow vein virus (bnyvv) and both are transmitted by the soilborne fungus, polymyxa betae keskin that survives in soil for many years. host range of bsbv is limited to the family of chenopodiaceae. in order ...
abstract beet soilborne virus (bsbv) is a member species of the genus pomovirus with rigid rod particles and 3 positive single stranded rnas. the virus is transmitted by polymyxa betae and restricted to chenopodiaceae. a survey was conducted in 2005 for identification of bsbv in northern khorasan province. samples showing yellowing, elongated and upright petioles with narrow leaf lamina and hai...
In Sindbis, Venezuelan equine encephalitis and related alphaviruses, the polymerase is translated as a fusion with other non-structural proteins via readthrough of a UGA stop codon. Surprisingly, earlier work reported that the signal for efficient readthrough comprises a single cytidine residue 3'-adjacent to the UGA. However, analysis of variability at synonymous sites revealed strikingly enha...
Valine-accepting tRNA-like structures (TLSs) are found at the 3' ends of the genomic RNAs of most plant viruses belonging to the genera Tymovirus, Furovirus, Pomovirus and Pecluvirus, and of one Tobamovirus species. Sequence alignment of these TLSs suggests the existence of a tertiary D-loop-T-loop interaction consisting of 2 bp, analogous to those in the elbow region of canonical tRNAs. The co...
The gene encoding the triple gene block protein 1 (TGBp1) of Potato mop-top virus (PMTV) was cloned into expression vector pQE32 tagging the protein with 6xHis on the N-terminus. When the gene was enshortened on its 3¢-end by two different restriction digestions, efficient and high yield bacterial expression was achieved in both cases, as shown by sodium dodecyl sulphate polyacrylamide gel elec...
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