The requirements for activity of blue-green algal nitrogenase have been studied. The optimal concentration ranges for ATP and Na~S204 are 2--3 m~ and 4--10 mlYl respectively. A magnesium requirement has been confirmed but the enzyme is not specific for Mg ~+, Co 2+ and Mn 2+ will also support activi
β¦ LIBER β¦
Inhibition of nitrate uptake by ammonia in a blue-green alga,Anabaena cylindrica
β Scribed by Masayuki Ohmori; Kazuko Ohmori; Heinrich Strotmann
- Publisher
- Springer
- Year
- 1977
- Tongue
- English
- Weight
- 439 KB
- Volume
- 114
- Category
- Article
- ISSN
- 0302-8933
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## Abstract In the blueβgreen alga __Anabaena doliolum__ heterocyst differentiation is sequential and independent of vegetative growth. Its control is photosynthetic in nature. The nature of growth curves obtained in nitrate and nitrogenβfree media indicates that the heterocyst regulates vegetative
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