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. 1977 Jul;9(3):197–202.

Species differentiation in Caenorhabditis briggsae and Caenorhabditis elegans

P A Friedman, E G Platzer, J E Eby
PMCID: PMC2620237  PMID: 19305593

Abstract

Identification of five laboratory strains (1-5) of putative Caenorhabditis briggsae was undertaken. Examination of the male bursal ray arrangement, mating tests with males of Caenorhabditis elegans, malate dehydrogenase zymograms, and SDS polyacrylamide electrophoresis demonstrated that strain 4 was C. briggsae and the others were C. elegans.

Keywords: bursal ray arrangement, mating test, malate dehydrogenase, SDS polyacryamide electrophoresis, morphology, taxonomy

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