Pigment variations in ultraviolet-treated strains of the blue-green alga Anabaena doliolum
β Scribed by Srivastava, B. S. ;Kumar, H. D.
- Publisher
- Springer-Verlag
- Year
- 1971
- Weight
- 232 KB
- Volume
- 77
- Category
- Article
- ISSN
- 0003-9276
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β¦ Synopsis
Two kinds of cultures were raised from clones of Anabaena doliolum surviving on selective medium following exposure of spores to ultraviolet radiation.
The pigments of these cultures h~ve been characterized with respect to those of controls.
π SIMILAR VOLUMES
## Abstract Effects of UV radiation on the morphogenesis of __Anabaena doliolum__ are described. After irradiation the frequencies of the 2nd and 3rd cells in 4βcelled filaments differentiating into a heterocyst increase markedly. The spatial relations between successive heterocysts of the series i
## 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