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Theileria equi merozoite antigen-2 interacts with actin molecule of equine erythrocyte during their asexual development

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Title Theileria equi merozoite antigen-2 interacts with actin molecule of equine erythrocyte during their asexual development
Not Available
 
Creator Sanjay Kumar a,b, Naoaki Yokoyama b, Jung-Yeon Kim , Sabine Bork-Mimm , Noboru Inoue , Xuenan Xuan , Ikuo Igarashi , Chihiro Sugimoto
 
Subject Actin,Babesia equi ,EMA-1 ,EMA-2, Equine, erythrocyte ,skeleton ,Theileria equi
 
Description Not Available
Theileria equi is a tick-transmitted intraerythrocytic protozoan parasite in equids. Equine merozoite antigen
(EMA)-1 and EMA-2 of T. equi have been identified as immunodominant proteins co-expressed on the
surface of extra-erythrocytic merozoites. Additionally, only the EMA-2 is shed into the cytoplasm of
infected erythrocyte or inside the erythrocytic membrane during their early developmental stage. In this
study, we initially performed West-Western blot analysis on Triton X-100-insoluble erythrocytic skeleton
collected from a healthy horse, using a glutathione S-transferase (GST)-tagged recombinant EMA-
1t or EMA-2t of T. equi. The results indicated positive interactions of actin and band 4.1 molecules in
the equine erythrocytic skeleton only with the recombinant EMA-2t. Subsequently, we carried out GST
pull-down assay using the recombinant antigens (as above) against solubilized lysate of equine erythrocytic
skeleton, and confirmed the co-precipitation of actin molecule with EMA-2t, but not with the EMA-
1t. The interaction of EMA-2 with host erythrocytic actin indicated its role in the pathobiology of T. equi
infection within host erythrocytes.
Not Available
 
Date 2018-11-20T11:03:36Z
2018-11-20T11:03:36Z
2012-10-06
 
Type Journal
 
Identifier Not Available
0014-4894
http://krishi.icar.gov.in/jspui/handle/123456789/12352
 
Language English
 
Relation Not Available;
 
Publisher ELSEVIER