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. 1999 Mar;37(3):838-40.
doi: 10.1128/JCM.37.3.838-840.1999.

Cryptococcus neoformans var. grubii: separate varietal status for Cryptococcus neoformans serotype A isolates

S P Franzot  1 , I F Salkin, A Casadevall
Affiliations

Cryptococcus neoformans var. grubii: separate varietal status for Cryptococcus neoformans serotype A isolates

S P Franzot et al. J Clin Microbiol. 1999 Mar.

Abstract

Cryptococcus neoformans var. neoformans presently includes isolates which have been determined by the immunologic reactivity of their capsular polysaccharides to be serotype A and those which have been determined to be serotype D. However, recent analyses of the URA5 sequences and DNA fingerprinting patterns suggest significant genetic differences between the two serotypes. Therefore, we propose to recognize these genotypic distinctions, as well as previously reported phenotypic differences, by restricting C. neoformans var. neoformans to isolates which are serotype D and describing a new variety, C. neoformans var. grubii, for serotype A isolates.

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