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Nitrate regulation of heterocyst differentiation and nitrogen fixation in a chlorate-resistant mutant of the blue-green ALGA, Nostoc muscorum

✍ Scribed by H.N. Singh; K.C. Sonie; H.R. Singh


Book ID
114071049
Publisher
Elsevier Science
Year
1977
Tongue
English
Weight
276 KB
Volume
42
Category
Article
ISSN
0027-5107

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## Abstract A tungstate‐resistant mutant of Nostoc muscorum was isolated with severely defective molybdate transport activity. It did not show nitrogenase activity or nitrate reductase activity in the presence or absence of Mo, but expressed both activities in the presence of vanadyl sulphate. V‐de