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Heterocyst


Heterocysts are specialized nitrogen-fixing cells formed by some filamentous cyanobacteria, such as Nostoc punctiforme, Cylindrospermum stagnale and Anabaena sperica, during nitrogen starvation. They fix nitrogen from dinitrogen (N2) in the air using the enzyme nitrogenase, in order to provide the cells in the filament with nitrogen for biosynthesis....
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Aspects of the topic heterocyst are discussed in the following places at Britannica. Assorted References function in nitrogen fixation ( in blue-green algae (organism) ) ...the gaseous nitrogen of the air into compounds that can be used by living cells. Particularly efficient nitrogen fixers are found among the filamentous species that have specialized cells...
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Heterocyst differentiation in the cyanobacterium Anabaena sp. ... Heterocyst development provides an excellent model for studying cell ...
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PatS is proposed to control the heterocyst pattern by lateral inhibition. ... patS overexpression inhibits heterocyst formation in Anabaena strain PCC 7120, ...
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Heterocyst differentiation is a highly regulated process, resulting in a ... In symbiosis with plants, heterocyst frequencies are increased 3- to 10-fold ...
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Heterocyst development includes the deposition, outside the outer membrane of ... Consistently, no heterocyst-specific glycolipids were detected in extracts of ...
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Definition and other additional information on Heterocyst from Biology-Online.org dictionary. ... HETEROCYST-FORMING CYANOBACTERIUM ANABAENA RFID 21st century ...
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Control over Heterocyst Differentiation. by Jeff Elhai (U. Richmond) ... ┬ÁM blocks heterocyst differentiation while having no effect on macromolecular synthesis. ...
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Research in S203-S205. Mechanism of heterocyst spacing in cyanobacteria ... 2. Resolution of contiguous differentiating cells into a single heterocyst ...
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Research in S203-S205. Mechanism of heterocyst spacing in cyanobacteria. I. Overview ... competent vegetative cells surround (and feed) pale heterocyst. ...
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The European Bioinformatics Institute ... GO:0043158 heterocyst differentiation. Function. GO:0003677 DNA ... P27709 Heterocyst differentiation control protein ...
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Information about heterocyst in the free online English dictionary and ... heterocyst. Heterocysts. heterocytotropic. heterocytotropic antibody ...
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A heterocyst is required for N2 bond breaking. ... The heterocyst are very distinct and easy to spot. ... This genus also does produce heterocyst...
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... gene in heterocyst differentiation, are both ... Some early heterocyst differentiation genes were also identified in the genome of Trichodesmium. ...
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PLoS Biology is an open-access, peer-reviewed journal that features works of exceptional significance ... Figure 2. Heterocyst Differentiation in Anabaena sp. ...
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There may be one centrally located akinete and heterocyst per filament. ... Heterocyst is oblong to cylindrical (7mm diameter, 12-20 mm long) and located in ...
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About every ninth cell differentiate into a so-called heterocyst cell. ... DNA-binding protein required for heterocyst differentiation, and the DNA-binding ...
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There are only two specialized cell types to be aware of, the heterocyst and the akinete. ... filament (=trichome), sheath, heterocyst, akinete. Chlorophyta ...
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