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Biotechnol Bioeng. 2002 Apr 20;78(2):141-6.

Decreasing the hyphal branching rate of Saccharopolyspora erythraea NRRL 2338 leads to increased resistance to breakage and increased antibiotic production.

Author information

1
Microbial Products Laboratory, School of Biological Sciences, University of Surrey, Guildford, GU2 7XH, United Kingdom.

Abstract

Mutation and selection for increased resistance to cell-wall synthesis inhibitors led to alterations in the hyphal branching rate of Saccharopolyspora erythraea NRRL 2338. Mutants with decreased branching frequency exhibited increased hyphal strength (estimated by in vitro micromanipulation). As the hyphal strength was increased, this led to a greater proportion of hyphal particles in liquid culture with a hyphal fragment diameter of greater than 88 microm. This, in turn, coincided with proportionately increased antibiotic production.

PMID:
11870604
DOI:
10.1002/bit.10210
[Indexed for MEDLINE]

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