Comparison of various techniques for determining viability of Paracoccidioides brasiliensis yeast-form cells.

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RESUMO

The viability of Paracoccidioides brasiliensis yeast-form cells was determined by colony-forming units, direct fluorescent staining, and production of germ tubes in slide culture. The first procedure was unreliable and time consuming; the latter two showed better correlation with hemacytometer total cell counts and required significantly less time.

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