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cDNA cloning, expression and characterization of a Boophilus microplus paramyosin.

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cDNA cloning, expression and characterization of a Boophilus microplus paramyosin.

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Título cDNA cloning, expression and characterization of a Boophilus microplus paramyosin.
Autor Ferreira, Carlos Alexandre Sanchez
Barbosa, M. C.
Silveira, Thiago Cesar Lima
Valenzuela, J.G.
Vaz Junior, Itabajara da Silva
Masuda, Aoi
Abstract The tick Boophilus microplus is a 1-host tick that causes important losses to bovine herds, and protective antigens are being investigated in order to develop vaccines that avoid the use of acaricides. Paramyosins are multi-functional invertebrate muscle proteins, whose roles may include host immunomodulation, and seem to be a prominent candidate in a schistosomiasis vaccine. We report here the cloning, expression and characterization of a B. microplus paramyosin (BmPRM). Sequence analysis of the full length coding sequence cDNA shows high identity to other arthropod paramyosin sequences, and the predicted molecular weight, pI and secondary structure are consistent with a typical paramyosin. Western-blot expression analysis indicates the presence of BmPRM in all tissues and developmental stages tested, but not in saliva. The recombinant protein (rBmPRM) was shown to bind both IgG and collagen. Possible implications of these activities with host evasion mechanisms are discussed.
Contido em Parasitology. Inglaterra. Vol. 125, no. 3 (2002), p. 265-274
Assunto Parasitologia veterinária
[en] Boophilus microplus
[en] Collagen binding protein
[en] IgG binding protein
[en] Paramyosin
[en] Tick
Origem Estrangeiro
Tipo Artigo de periódico
URI http://hdl.handle.net/10183/27454
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