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Growth characteristics and glucose oxidase production by mutant Penicillium funiculosum strains

Semashko, T.V.; Mikhaĭlova, R.V.; Lobanok, A.G.

Mikrobiologiia 73(3): 343-349

2004


ISSN/ISBN: 0026-3656
PMID: 15315227
Accession: 012133168

The main parameters of growth and glucose oxidase production by the mutant Penicillium funiculosum strains BIM F-15.3, NMM95.132, and 46.1 were studied. The synthesis of extracellular glucose oxidase by these strains was constitutive and occurred following the phase of exponential growth. The mutant strains also synthesized extracellular invertase and cell-associated catalase and glucose oxidase. The syntheses of invertase, the cell-associated enzymes, and extracellular glucose oxidase were found to be maximum between 14 and 18 h, between 48 and 52 h, and by the 96th h of cultivation, respectively. Among the mutants studied, P. funiculosum 46.1 showed the maximal rates of growth and glucose oxidase synthesis.

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