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Results for “Cryptococcus neoformans”

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PubMed2003

Induction of T helper type 1 responses by a polysaccharide deacetylase from Cryptococcus neoformans.

A 25-kDa cryptococcal deacetylase (d25) was found here to induce cell proliferation, as well as secretion of interleukin 2 and gamma interferon, but not interleukin 4, in spleen cells from d25-immunized or Cryptococcus neoformans-infected mice. The gamma interferon, but not the interleukin 2, response was required for the protective activities of d25 immunization in a murine cryptococcosis model.

Amidohydrolases↗
PubMed1997

Isolation of specific DNA probes for detection of Cryptococcus neoformans.

We report the construction of a genomic library and isolation of repetitive DNA probes from Cr. neoformans that are species- and variety-specific. The inserts of the genomic library were in a range of 0.3-1.8 kb, which were in normal distribution in length. Among 592 clones of the genomic library, there were 400(67.6%) clones inserted repetitive DNA sequence and 192(32.4%) inserted single copy DNA sequence of the Cr. neoformans genome. From the library, three specific probes were identified. Clone pCNIIA6 was serotype A-specific, pCNIIB5 species-specific, and pCNIIIG1 variety-specific (var. neoformans). On the basis of the high specificity and sensitivity of the signals observed by hybridization, we suggest that these probes provide a means for both biotyping and early diagnosis of Cr. neoformans.

Cryptococcus neoformans↗