Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
4
pubmed:dateCreated
1994-1-13
pubmed:abstractText
Large amounts of viable merozoites were purified from in vitro cultures of Babesia divergens by a two-step sieving procedure. A monoclonal antibody produced against B. divergens merozoites, mAb DG7, stained the merozoite plasma membrane and an intra-parasitic linear organelle in indirect immunofluorescence. Immunogold labeling in electron microscopy demonstrated that the antigen recognized by mAb DG7 was localized just beneath the merozoite plasma membrane. Immunoprecipitations of metabolically labeled ([35S]methionine) B. divergens antigens showed that the epitope recognized by mAb DG7 was present on a 17-kDa polypeptide (Bd17) and was shared in all B. divergens geographical isolates tested so far. Bd17 was always present in the in vitro culture supernatants of all these isolates. Furthermore, Triton X-114 phase separation of babesial antigens demonstrated the hydrophilic character of Bd17 which suggests that it is an extrinsic protein present on the cytosol side of the parasite membrane. When added to the culture medium, mAb DG7, purified from ascite fluids, drastically altered the growth of the parasite with concentrations inhibiting 50% of development (IC50) ranging between 16.6 and 26.1 micrograms/ml).
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Dec
pubmed:issn
0014-4894
pubmed:author
pubmed:issnType
Print
pubmed:volume
77
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
425-34
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1993
pubmed:articleTitle
Babesia divergens: characterization of a 17-kDa merozoite membrane protein.
pubmed:affiliation
Laboratoire de Biologie Cellulaire, URA CNRS 290, Poitiers, France.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't