Letter | Published:

Genetic Recombination in a Blue-green Alga, Cylindrospermum majus Kuetz.

Naturevolume 207pages782783 (1965) | Download Citation



THE blue-green alga, Cylindrospermum majus Kuetz., forms a characteristic filament with single terminal heterocyst and sub-terminal spore at both ends of the filament. The alga was isolated on Alien and Arnon's nitrogen-free medium1 in axenic cultures. At one stage of the growth cycle most of the filaments of the alga form characteristic spores, which are ellipsoidal with sculptured dark-brown exospore wall.

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  1. 1

    Allen, M. B., and Arnon, D. I., Plant Physiol., 30, 366 (1955).

  2. 2

    Kumar, H. D., Nature, 196, 1121 (1962).

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  1. Department of Botany, Banaras Hindu University, Varanasi, 5, India

    • R. N. SINGH


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