نتایج جستجو برای: coat proteins
تعداد نتایج: 571601 فیلتر نتایج به سال:
This review includes 16 structures of vesicle coat components and accessory proteins and a description of their roles in vesicle budding or coat disassembly.
Synthesis of viral ribonucleic acid (RNA) polymerase, maturation protein, and coat protein in Escherichia coli infected with bacteriophage R17 occurs mainly on polysomes containing four or more ribosomes. The 30S ribosomal subunits through trimer-size polysomes, which are associated with all of the R17-specific proteins and are predominant in the infected cell, synthesize only coat protein. The...
The genomic RNA of the potato virus X (PVX) strain HB, isolated in Bolivia and able to overcome all known resistance genes, has been cloned and sequenced. The PVXHB RNA sequence is 6432 nucleotides long and contains, similarly to the RNAs of other PVX strains, five open reading frames encoding proteins of M(r)s 165.1K, 24.5K, 12.4K, 7.6K and 25.1K (coat protein), respectively. Multiple amino ac...
Rice tungro bacilliform virus (RTBV) is a plant pararetrovirus and a member of the Caulimoviridae family and closely related to viruses in the Badnavirus genus. The coat protein of RTBV is part of the large polyprotein encoded by open reading frame 3 (ORF3). ORF3 of an RTBV isolate from Malaysia was sequenced (accession no. AF076470) and compared with published sequences for the region that enc...
Spores of Bacillus subtilis have a thick outer layer of relatively insoluble protein called the coat, which protects spores against a number of treatments and may also play roles in spore germination. However, elucidation of precise roles of the coat in spore properties has been hampered by the inability to prepare spores lacking all or most coat material. In this work, we show that spores of a...
COPII vesicle formation requires only three coat assembly subunits: Sar1p, Sec13/31p, and Sec23/24p. PI 4-phosphate or PI 4,5-bisphosphate is required for the binding of these proteins to liposomes. The GTP-bound form of Sar1p recruits Sec23/24p to the liposomes as well as to the ER membranes, and this Sar1p-Sec23/24p complex is required for the binding of Sec13/31p. Ultrastructural analysis sh...
Dormant bacterial spores are encased in a thick protein shell, the 'coat', which contains ∼70 different proteins. The coat protects the spore from environmental insults, and is among the most durable static structures in biology. Owing to extensive cross-linking among coat proteins, this structure has been recalcitrant to detailed biochemical analysis, so molecular details of how it assembles a...
The inactivation mechanism of virus and bacteria by atmospheric discharge plasma has been studied actively. However, predominant factors in the inactivation are not clear at all. Because the atmospheric discharge plasma includes a lot of possible inactivation factors such as active oxygen species, ozone and ultraviolet rays, it is difficult to analyze each effect separately. In this study, bact...
Intact, washed Trypanosoma lewisi bloodstream forms, isolated from rats, were agglutinated specifically by antisera against rat whole serum, albumin, alpha2-macroglobulin, and IgG. However, trypsinized bloodstream and intact culture forms lacking surface coat were not agglutinated by these antisera. Trypsinized bloodstream forms, incubated in dilute rat or heterologous host serum proteins, were...
Potato leafroll virus is a member of the polerovirus genus. The isometric virion is formed by a coat protein encapsidating single-stranded, positive-sense, mono-partite genomic RNA with covalently attached viral protein at the 5' end. The coat protein of the virus exists in two forms: i) a 23 kDa protein, the product of the coat protein gene, and ii) a 78 kDa protein, the product of the coat pr...
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