Under conditions of nitrogen deficiency A. ovalisporum develops heterocytes (central round and empty-looking cell in this filament), in which N2 fixation by nitrogenase enzymes takes place. This image was taken by Alla Alster using an Olympus BX50 Microscope equipped with DIC optics. The copyright holders of this image are Alla Alster & Tamar Zohary and the image is used by micro*scope with agreement of the authors.
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From the collection
Lake Kinneret planktonic life forms
No description of Aphanizomenon ovalisporum available.
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