Mutation of chicken anemia virus VP2 differentially affects serine/threonine and tyrosine protein phosphatase activities
نویسندگان
چکیده
منابع مشابه
Chicken anemia virus VP2 is a novel dual specificity protein phosphatase.
The function of viral protein 2 (VP2) of the immunosuppressive circovirus chicken anemia virus (CAV) has not yet been established. We show that the CAV VP2 amino acid sequence has some similarity to a number of eukaryotic, receptor, protein-tyrosine phosphatase (PTPase) alpha proteins as well as to a cluster of human TT viruses within the Sanban group. To investigate if CAV VP2 functions as a P...
متن کاملCloning and sequence analysis of VP1, VP2 and VP3 genes of Indian chicken anemia virus
Chicken anemia virus was detected by PCR in tissue samples collected from poultry flocks in Gujarat,India. The VP1, VP2 and VP3 gene sequences of CAV from Anand, Gujarat were obtained after cloning thePCR products in pDrive cloning vector. Nucleotide sequence alignment with other CAV sequencesdemonstrated overall identity of 95-98.8%, 98.8-99.8% and 98.8-100% for VP1, VP2 and VP3 regions,respec...
متن کاملcloning and sequence analysis of vp1, vp2 and vp3 genes of indian chicken anemia virus
chicken anemia virus was detected by pcr in tissue samples collected from poultry flocks in gujarat,india. the vp1, vp2 and vp3 gene sequences of cav from anand, gujarat were obtained after cloning thepcr products in pdrive cloning vector. nucleotide sequence alignment with other cav sequencesdemonstrated overall identity of 95-98.8%, 98.8-99.8% and 98.8-100% for vp1, vp2 and vp3 regions,respec...
متن کاملIdentification of the NLS and NES motifs of VP2 from chicken anemia virus and the interaction of VP2 with mini-chromosome maintenance protein 3
BACKGROUND VP2 of chicken anemia virus (CAV) is a dual-specificity phosphatase required for virus infection, assembly and replication. The functions of the nuclear localization signal (NLS) and nuclear export signal (NES) of VP2 in the cell, however, are poorly understood. Our study identified the presence of a NLS in VP2 and showed that the protein interacted significantly with mini-chromosome...
متن کاملAttenuation of chicken anemia virus by site-directed mutagenesis of VP2.
Chicken anemia virus (CAV) is a significant immunosuppressive pathogen of chickens, but relatively little is known about the effect of specific mutations on its virulence. In order to study the virulence of CAV, an infection model was developed in embryos. Significant growth depression, measured as a reduction in mean body weight, was found for wild-type CAV infection. Infection with wild-type ...
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ژورنال
عنوان ژورنال: Journal of General Virology
سال: 2005
ISSN: 0022-1317,1465-2099
DOI: 10.1099/vir.0.80197-0