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Effect of staurosporine on growth and hyphal morphology of Pleurotus ostreatus



Effect of staurosporine on growth and hyphal morphology of Pleurotus ostreatus



Journal of General Microbiology 139(1): 161-164



Staurosporine is a strong inhibitor of protein kinases. At low concentrations, this antibiotic inhibited the growth of both protoplasts and mycelium of Pleurotus ostreatus. Its minimum inhibitory concentrations were 6.5 mu-M and 9.6 mu-M for protoplasts and mycelium, respectively. At a lower concentration (0.54 mu-M), it caused swelling of hyphal tips and subapical regions while some hyphae became stubby and bulbous. The phenomena were compared with the morphological effects of polyoxin D, which is a competitive inhibitor of chitin synthase. The results suggest the involvement of protein kinases(s) in regulation of apical growth of fungi.

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Accession: 002604894

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DOI: 10.1099/00221287-139-1-161



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