Heterocyst formation in a blue-green alga, Cylindrospermum
β Scribed by REDDY, P. M.; TALPASAYI, E. R. S.
- Book ID
- 109690592
- Publisher
- Nature Publishing Group
- Year
- 1974
- Tongue
- English
- Weight
- 228 KB
- Volume
- 249
- Category
- Article
- ISSN
- 0028-0836
- DOI
- 10.1038/249493a0
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Cell-flee extracts capable of acetylene reduction and cyanide reduction have been prepared from heterocystous (Anabaena cylindrica) and non-heteroeystous (Plectonema boryanum 594) blue-green algae. Extracts from Anabaena were obtained from cultures grown in bulk under aerobic conditions, while the P
Heterocysts reduce triphenyl tetrazolium chloride (TTC) faster than vegetative cells apparently because the absence of the Q-evolving photosystem II and the high electron transport activity in these cells. Although the rate of TTC reduction in vegetative cells is increased by the continuous removal