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Isolation of a sulphate reductase-less mutant of the blue-green alga Nostoc muscorum

✍ Scribed by Dr. S. P. Singh

Publisher: John Wiley and Sons
Year: 2007
Tongue: English
Weight: 226 KB
Volume: 18
Category: Article
ISSN: 0233-111X
DOI: 10.1002/jobm.19780180205

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✦ Synopsis

Isolation of a sulphate reductase-less mutant of the blue-green alga Nostoc rnuscorurn S. P. SINGH 1978 111-114 (Eingegangen am 16.11.1976)

The wild type Nostoc muscorum (UW strain) has yielded various physiological mutants altered in utilization of sulphate, following mutagenic treatments with N-methyl, "-nitro N-nitrosoguanidine (NTG). One of the mutant strains designated as Sat-20 failed to grow in a medium containing sulphate (MgSO, 7 H,O). However, the mutant strain could grow when supplemented with thiosulphate (Na,S,O, . 5 H,O), while methionine could fulfil the sulphur requirement only partially. On comparative reasons, the wild type as well as the mutant showed preference for thiosulphate over other sulphur sources employed.

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