Summary: The growth of the dematiaceous hyphomycetes (darkly pigmented microfungi) and was altered by increasing concentrations of NaCl in the growth medium. demonstrated the greatest sensitivity to salinity changes: chlamydospora-like structures were common at NaCl concentrations > 5%. Lipid analyses of these fungi are presented. Steryl esters and fatty acids were the main lipid classes in the apolar fractions. Phosphatidylethanolamine, phosphatidylgly-cerol and phosphatidylcholine were the main polar compounds. Most phospholipids decreased at higher salinity. The major fatty acid was oleic acid (18:1) which decreased at 10% NaCl. A similar pattern was observed for palmitic acid (16:0). Myristic acid (14:0) and myristoleic acids (14:2, 14:1) were detected in all isolates cultured at 10% NaCl.


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