Towards the Toxoplasma gondii proteome: position of 13 parasite excretory antigens on a standardized map of two-dimensionally separated tachyzoite proteins.

Abstract:

:High resolution two-dimensional separation of Toxoplasma gondii tachyzoite lysate revealed up to 224 distinct protein spots in Coomassie-stained gel. Computional matching of 14 digitized gels yielded a standard two-dimensional proteome map. The excretory T. gondii dense granule proteins GRA1-GRA8, S16/acid phosphatase, nucleoside triphosphate hydrolase, and H4 were identified by Western blotting of both total gel and isolated protein spots. In addition, two excretory antigens defined by parasite-specific monoclonal T cells, p36 and p40, were mapped by a novel T-cell blotting technique based on electroeluting single protein spots and testing the eluates for antigenic activity against the T-cell clones. In summary, these results represent a first step in Toxoplasma proteome analysis.

journal_name

Parasitol Res

journal_title

Parasitology research

authors

Dlugonska H,Dytnerska K,Reichmann G,Stachelhaus S,Fischer HG

doi

10.1007/s004360000367

subject

Has Abstract

pub_date

2001-08-01 00:00:00

pages

634-7

issue

8

eissn

0932-0113

issn

1432-1955

journal_volume

87

pub_type

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