نتایج جستجو برای: orf2 protein
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A lambda gt11 recombinant library of Chlamydia trachomatis serovar L2 chromosomal DNA was screened with a 29-mer synthetic oligonucleotide specific to the N-terminal amino acids of a predominant 18-kDa chlamydial protein. One recombinant clone, designated lambda gt11/L2/RKA10, was selected on the basis of its strong hybridization signal. Restriction endonuclease analysis and complete nucleotide...
The plus strand of the L-A double-stranded RNA virus of Saccharomyces cerevisiae has two large open reading frames, ORF1, which encodes the major coat protein, and ORF2, which encodes a single-stranded RNA-binding protein having a sequence diagnostic of viral RNA-dependent RNA polymerases. ORF2 is expressed only as a Gag-Pol-type fusion protein with ORF1. We have constructed a plasmid which exp...
The genome of rice yellow mottle virus (RYMV) is a single-stranded positive-sense RNA that is not polyadenylated, and has an M(r) of 1.4 x 10(6). We present here the 4550 nucleotide (nt) sequence of RYMV RNA, and its predicted genomic organization. The RYMV genomic RNA contains four open reading frames (ORFs). The first (nt 80 to 553) encodes a protein containing 157 amino acids with a predicte...
Hepatitis A virus (HAV) and Hepatitis E virus (HEV) are the most common causes of infectious hepatitis. These viruses are spread largely by the fecal-oral route and lead to clinically important disease in developing countries. To evaluate the potential of targeting hepatitis A and E infection simultaneously, a combined mucosal candidate vaccine was developed with the partial open reading frame ...
Two neutralizing monoclonal antibodies (MAbs) against canine calicivirus (CaCV), which has a distinct antigenicity from feline calicivirus (FCV), were obtained. Both MAbs recognized conformational epitopes on the capsid protein of CaCV and were used to identify these epitopes. Neutralization-resistant variants of CaCV were selected in the presence of individual MAbs in a cell culture. Cross-neu...
Avirulent Erwinia carotovora subsp. carotovora CGE234-M403 produces two types of bacteriocin. For the purpose of cloning the bacteriocin genes of strain CGE234M403, a spontaneous rifampin-resistant mutant of this strain, M-rif-11-2, was isolated. By Tn5 insertional mutagenesis using M-rif-11-2, a mutant, TM01A01, which produces the high-molecular-weight bacteriocin but not the low-molecular-wei...
Three open reading frames (ORFs) were identified by a genome walking strategy in the genomes of serotype M49 group A streptococcal (GAS) strains CS101 and 591. These ORFs were located between the mga core regulon and the dipeptide permease operon. The deduced amino acid (aa) sequences contained signature sequences indicative of a lipoprotein (306 aa), an intracellular protein (823 aa), and a se...
Paternally expressed gene 10 (PEG10) is a mammalian gene that is essential for embryonic development in mice. The gene contains two overlapping open reading frames (ORF1 and ORF2) and is derived from a retroelement that acquired a cellular function. It is not known if both reading frames are required for PEG10 function. Synthesis of ORF2 would be possible only if programmed -1 frameshifting occ...
We recently identified a novel virus, designated avian hepatitis E virus (avian HEV), from chickens with hepatitis-splenomegaly (HS) syndrome in the USA. We showed that avian HEV is genetically related to swine and human HEVs. Here we report the antigenic cross-reactivity of the putative open reading frame 2 (ORF2) capsid protein of avian HEV with those of swine and human HEVs and the Australia...
The coding characteristics of four plasmids expressing a protein (BCP) which comigrates with bacterioferritin were examined and the nucleotide sequence of a common 1985 bp segment from the 53 min region of the Escherichia coli linkage map was determined. Three open reading-frames (orf1, orf2 and orf3) were detected, and orf2 (bcp, 156 amino acid codons) appeared to encode the bacterioferritin c...
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