Results 121 to 130 of about 7,938 (254)
Cytochrome c 6-like protein as a putative donor of electrons to photosystem I in the cyanobacterium Nostoc sp. PCC 7119 [PDF]
, 2011 Most organisms performing oxygenic photosynthesis contain either cytochrome c 6 or plastocyanin, or both, to transfer electrons from cytochrome b 6-f to photosystem I. Even though plastocyanin has superseded cytochrome c 6 along evolution, plants contain
Gil Martínez, Jorge +2 more
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Anabaena sp. strain PCC 7120: Laboratory Maintenance, Cultivation, and Heterocyst Induction
Current Protocols in Microbiology, 2018 Anabaena sp. strain PCC 7120 is a multicellular, filamentous, freshwater cyanobacterium that is capable of differentiating specialized heterocyst cells for nitrogen fixation.
Patrick Videau, Loralyn M. Cozy
semanticscholar +1 more source
Protein Phosphorylation and a Novel Phosphatase in the Cyanobacterium Anabaena [PDF]
, 2008 The focus of this paper is a dual-specific protein phosphatase (DSP) previously found in the periplasm of the cyanobacterium Anabaena PCC 7120 that may regulate circadian rhythms in that organism. To fully understand the topic, summaries of enzyme action,
Mullis, Robert A, Jr.
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Septal Junctions in Filamentous Heterocyst-Forming Cyanobacteria.
Trends in Microbiology, 2016 In the filaments of heterocyst-forming cyanobacteria, septal junctions that traverse the septal peptidoglycan join adjacent cells, allowing intercellular communication. Perforations in the septal peptidoglycan have been observed, and proteins involved in
E. Flores +3 more
semanticscholar +1 more source
Effects of varying salinity on phytoplankton growth in a low-salinity coastal pond under two nutrient conditions [PDF]
, 2002 Human activities have clearly caused dramatic alterations of the terrestrial nitrogen cycle, and analyses of the extent and effects of such changes are now common in the scientific literature.
Barron, S. +5 more
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Life, 2018 In the filamentous cyanobacterium Anabaena sp. strain, PCC 7120, heterocysts (which are nitrogen-fixing cells) are formed in the absence of combined nitrogen in the medium. Heterocysts are separated from one another by 10 to 15 vegetative cells along the
Shun-ichi Fukushima, S. Ehira
semanticscholar +1 more source
Developmental Biology in Cyanobacteria
Life, 2019 Filamentous, heterocyst-forming cyanobacteria are phototrophic multicellular organisms in which N2-fixing heterocysts and CO2-fixing vegetative cells exchange regulators and nutrients [...]
Antonia Herrero, Enrique Flores
doaj +1 more source
FEMS Microbiology Letters, 2017 Cell differentiation is one of the marks of multicellular organisms. Terminally specialised nitrogen‐fixing cells, termed heterocysts, evolved in filamentous cyanobacteria more than 2 Gya.
L. Antonaru, Dennis J. Nürnberg
semanticscholar +1 more source
Characterization of the
BMC Microbiology, 2009 Background In cyanobacteria three enzymes are directly involved in the hydrogen metabolism; a nitrogenase that produces molecular hydrogen, H2, as a by-product of nitrogen fixation, an uptake hydrogenase that recaptures H2 and oxidize it, and a ...
Lindberg Pia +4 more
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Cyanobacteria in CELSS: Growth strategies for nutritional variation and nitrogen cycling [PDF]
Cyanobacteria (blue-green algae) are versatile organisms which are capable of adjusting their cellular levels of carbohydrate, protein, and lipid in response to changes in the environment.
Fry, I. V., Packer, L.
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