Interaction between human cytomegalovirus UL136 protein and ATP1B1 protein
Braz. j. med. biol. res
;
44(12): 1251-1255, Dec. 2011. ilus
Article
in English
| LILACS
| ID: lil-606539
ABSTRACT
Interplay between the host and human cytomegalovirus (HCMV) has a pivotal role in the outcome of infection. A region (referred to as UL/b’) present in the Toledo strain of HCMV and low passage clinical isolates contains 19 additional genes, which are absent in the highly passaged laboratory strain AD169. Products of the UL/b’ genes may determine the manifestations of HCMV infection in vivo. However, little is known about the host factors, which interact with UL/b’ proteins. This study was conducted to investigate the function of the HCMV UL136 protein. By yeast two-hybrid screening, the β1 subunit of the host Na+/K+-ATPase (ATP1B1) was identified to be a candidate protein, which interacts with the HCMV UL136 protein. The interaction was further evaluated both in vitro by pull-down assay and in vivo by immunofluorescent co-localization. The results showed that the UL136 protein can interact with ATP1B1 in vitro. Co-localization of UL136-EGFP and ATP1B1-DsRed in cell membranes suggests that ATP1B1 was a partner of the UL136 protein. It can be proposed that the HCMV UL136 protein may have important roles in processes such as cell-to-cell spread, and in maintaining cell osmotic pressure and intracellular ion homeostasis during HCMV infection.
Full text:
Available
Index:
LILACS (Americas)
Main subject:
Viral Envelope Proteins
/
Sodium-Potassium-Exchanging ATPase
/
Two-Hybrid System Techniques
/
Cytomegalovirus
/
Protein Interaction Mapping
Type of study:
Prognostic study
Limits:
Humans
Language:
English
Journal:
Braz. j. med. biol. res
Journal subject:
Biology
/
Medicine
Year:
2011
Type:
Article
Affiliation country:
China
Institution/Affiliation country:
China Medical University/CN
Similar
MEDLINE
...
LILACS
LIS