Electronic Resource
Oxford, UK
:
Blackwell Publishing Ltd
The @journal of eukaryotic microbiology
9 (1962), S. 0
ISSN:
1550-7408
Source:
Blackwell Publishing Journal Backfiles 1879-2005
Topics:
Biology
Notes:
SYNOPSIS. Production of a “vitamin B22-like compound” by Tetrahymena pyriformis mating type II, variety 1, and 3 other tetrahymenids was demonstrated. The compound produced by T. pyriformis was nutritionally active for Escherichia coli and Lactobacillus leichmannii and inert for Ochromonas malhamensis and Euglena gracilis, despite use of a variety of the standard methods for liberating bound B12. By dry-weight it is present in 1 part in 30 million. Its chromatographic and electrophoretic properties are described.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1111/j.1550-7408.1962.tb02608.x
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