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Bioinformatic Prediction of WSSV-Host Protein-Protein Interaction #MMPMID24982879
Sun Z; Li S; Li F; Xiang J
Biomed Res Int 2014[]; 2014 (ä): ä PMID24982879show ga
WSSV is one of the most dangerous pathogens in shrimp aquaculture. However, the molecular mechanism of how WSSV interacts with shrimp is still not very clear. In the present study, bioinformatic approaches were used to predict interactions between proteins from WSSV and shrimp. The genome data of WSSV (NC_003225.1) and the constructed transcriptome data of F. chinensis were used to screen potentially interacting proteins by searching in protein interaction databases, including STRING, Reactome, and DIP. Forty-four pairs of proteins were suggested to have interactions between WSSV and the shrimp. Gene ontology analysis revealed that 6 pairs of these interacting proteins were classified into ?extracellular region? or ?receptor complex? GO-terms. KEGG pathway analysis showed that they were involved in the ?ECM-receptor interaction pathway.? In the 6 pairs of interacting proteins, an envelope protein called ?collagen-like protein? (WSSV-CLP) encoded by an early virus gene ?wsv001? in WSSV interacted with 6 deduced proteins from the shrimp, including three integrin alpha (ITGA), two integrin beta (ITGB), and one syndecan (SDC). Sequence analysis on WSSV-CLP, ITGA, ITGB, and SDC revealed that they possessed the sequence features for protein-protein interactions. This study might provide new insights into the interaction mechanisms between WSSV and shrimp.