Reisolation and growth conditions of bacillus agar-exedens

Several agarolytic Bacillus strains have been isolated. The properties agree with those described by Wieringa (1941) for Bacillus agar-exedens. These strains are the first reisolates since the original cultures were lost. A second group of isolates is related to the agarolytic B. palustris var. gela...

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Bibliographic Details
Published in:Antonie van Leeuwenhoek 1978-01, Vol.44 (1), p.105-113
Main Authors: Hunger, W, Claus, D
Format: Article
Language:English
Subjects:
Agar - metabolism
Bacillus - growth & development
Bacillus - isolation & purification
Bacillus - metabolism
Bacteriological Techniques
Culture Media
Hydrogen-Ion Concentration
Soil Microbiology
Species Specificity
Spores, Bacterial - growth & development
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Summary:Several agarolytic Bacillus strains have been isolated. The properties agree with those described by Wieringa (1941) for Bacillus agar-exedens. These strains are the first reisolates since the original cultures were lost. A second group of isolates is related to the agarolytic B. palustris var. gelaticus of Sickles and Shaw (1934). B. agar-exedens requires carbohydrates for growth. In mineral-glucose media growth is inhibited by peptone at pH values of about 7 or less. Under alkaline conditions no inhibition by peptone is observed. A method for the enrichment of B. agar-exedens is described.
ISSN:0003-6072
1572-9699
DOI:10.1007/bf00400080