Cultures of Azolla caroliniana Willd. free of the symbiotic blue-green alga, Anabaena azollae, were obtained by treatment of Azolla fronds with a regimen of antibiotics. These symbiont-free plants can ...

The chromatinic material of the blue-green alga Anabaena cylindrica has complex configurations in the central regions of the cells. The distribution of the chromatin within the cells varies in ...

KNOWLEDGE of the nature of the heterocysts of blue-green algae has been limited by the lack of suitable techniques for investigation of the physiology and biochemistry of these puzzling structures.

FAYETTE COUNTY, Ga. — Peachtree City officials issued a warning about a “potentially harmful” algae blooms found in one of its lakes. After blooms were detected, testing confirmed that it was two ...

In the tiny, beaded chain of the cyanobacterium Anabaena sp. ATCC 33047, two different cells, the photosynthetic factory worker and the nitrogen-fixing specialist, play distinct and powerful roles in ...

This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...

We use technologies like cookies to store and/or access device information. We do this to improve browsing experience and to show personalized ads. Consenting to these technologies will allow us to ...

76 - Southwestern U.S.A.76 - Southwestern U.S.A.76 - Southwestern U.S.A.76 - Southwestern U.S.A.76 - Southwestern U.S.A.76 - Southwestern U.S.A.76 - Southwestern U.S ...