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. 2000 Jan;5(1):153-62.
doi: 10.1016/s1097-2765(00)80411-6.

The ves multigene family of B. bovis encodes components of rapid antigenic variation at the infected erythrocyte surface

D R Allred  1 , J M Carlton, R L Satcher, J A Long, W C Brown, P E Patterson, R M O'Connor, S E Stroup
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Free article

The ves multigene family of B. bovis encodes components of rapid antigenic variation at the infected erythrocyte surface

D R Allred et al. Mol Cell. 2000 Jan.
Free article

Abstract

B. bovis, an intraerythrocytic protozoal parasite, establishes chronic infections in cattle in part through rapid variation of the polymorphic, heterodimeric VESA1 protein on the infected erythrocyte surface and sequestration of mature parasites. We describe the characterization of the ves1 alpha gene encoding the VESA1a subunit, thus providing a description of a gene whose product is involved in rapid antigenic variation in a babesial parasite. This three-exon gene, a member of a multigene family (ves), encodes a polypeptide with no cleavable signal sequence, a single predicted transmembrane segment, and a cysteine/lysine-rich domain. Variation appears to involve creation and modification or loss of a novel, transcribed copy of the gene.

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