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Studies on the nutrition of Arthrobotrys oligospora Fres. and A. robusta Dudd: The saprophytic phase
Author(s) -
BLACKBURN F.,
HAYES W. A.
Publication year - 1966
Publication title -
annals of applied biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.677
H-Index - 80
eISSN - 1744-7348
pISSN - 0003-4746
DOI - 10.1111/j.1744-7348.1966.tb05069.x
Subject(s) - biology , nitrogen , mycelium , botany , food science , nitrate , horticulture , ecology , chemistry , organic chemistry
SUMMARY Growth requirements of two predaceous hyphomycetes in the absence of eelworm prey were determined in specified culture media, in an investigation of the interrelationship of eelworm and fungi. Both fungi were able to utilize a wide range of energy sources and gave the highest yields of mycelium when the carbon sources supplied had the same configuration as glucose around carbon atoms, 3, 4, 5 and 6, or were oligosaccharides yielding glucose on hydrolysis. The species differed in their ability to utilize nitrogen sources, A. robusta producing very little growth when nitrate was the sole source of nitrogen, and comparatively little on aspartate nitrogen. Both responded to thiamin, biotin and p ‐aminobenzoic acid, but neither species showed absolute dependence on an external source of vitamin.