Heterocysts or heterocytes are specialized nitrogen-fixing cells formed during nitrogen starvation by some filamentous cyanobacteria, such as Nostoc,...
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cyanobacteria, this enzyme system is housed in a specialized cell called the heterocyst. The production of the nitrogenase complex is genetically regulated, and...
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conditions, vegetative cells differentiate into heterocysts at semiregular intervals along the filaments. Heterocyst cells are terminally specialized for nitrogen...
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host through the action of terminally differentiated cells known as heterocysts. Nostoc is a genus that includes many species that are diverse in morphology...
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enveloped, thick-walled, non-motile, dormant cell formed by filamentous, heterocyst-forming cyanobacteria under the order Nostocales and Stigonematales. Akinetes...
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Within these fascicles, heterocysts often appear at various intervals on the trichomes. When attached to a trichome, heterocysts import carbohydrates which...
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fix nitrogen in daylight under aerobic conditions without the use of heterocysts. Trichodesmium can live as individual filaments, with tens to hundreds...
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called heterocysts. Heterocysts may also form under the appropriate environmental conditions (anoxic) when fixed nitrogen is scarce. Heterocyst-forming...
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Kumar K, Mella-Herrera RA, Golden JW (April 2010). "Cyanobacterial heterocysts". Cold Spring Harbor Perspectives in Biology. 2 (4): a000315. doi:10...
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Cyanobacterial morphology (section Heterocysts)
that form specialized cell types in the absence of combined nitrogen (heterocysts), during unfavorable conditions (akinetes) or to spread and initiate...
69 KB (6,934 words) - 07:32, 10 May 2024