Nostoc punctiforme: Difference between revisions
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'''''Nostoc punctiforme''''' is a species of filamentous [[cyanobacteria]]. Under non-limiting nutritional environmental conditions, its filaments are composed of [[Photosynthesis|photosynthetic]] vegetative cells; upon nutrient limitation, some of these cells undergo [[Cell differentiation|differentiation]] into [[Heterocyst|heterocysts]], [[Akinete|akinetes]] or [[Hormogonium|hormogonia]]<ref name=Meeks>{{cite journal|last=Meeks|first=JC|coauthors=EL Campbell, ML Summers, FC Wong|title=Cellular differentiation in the cyanobacterium Nostoc punctiforme|journal=Arch Microbiol|year=2002|volume=178|issue=6|pages= |
'''''Nostoc punctiforme''''' is a species of filamentous [[cyanobacteria]]. Under non-limiting nutritional environmental conditions, its filaments are composed of [[Photosynthesis|photosynthetic]] vegetative cells; upon nutrient limitation, some of these cells undergo [[Cell differentiation|differentiation]] into [[Heterocyst|heterocysts]], [[Akinete|akinetes]] or [[Hormogonium|hormogonia]]<ref name=Meeks>{{cite journal|last=Meeks|first=JC|coauthors=EL Campbell, ML Summers, FC Wong|title=Cellular differentiation in the cyanobacterium Nostoc punctiforme|journal=Arch Microbiol|year=2002|volume=178|issue=6|pages=395–403|doi=10.1007/s00203-002-0476-5|url=http://www.springerlink.com/content/y12gjnj8hfjj48cb/|accessdate=11 December 2011}}</ref>. |
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''N. punctiforme'' is one of the ''[[Nostoc]]'' strains able to maintain [[Diazotroph|diazotrophic]] [[symbiosis]] with [[Vascular plant|higher plants]] such as the [[bryophyte|bryophytes]] ''[[Anthocerus punctatus]]'' and ''[[Blasia pusilla]]'', water ferns from the genus ''[[Azolla]]'', the [[cycads]] ''[[Macrozamia]]'' spp., and the [[angiosperm]] ''[[Gunnera]]''<ref name=Meeks2>{{cite journal|last=Meeks|first=JC|title=Symbiosis between Nitrogen-Fixing Cyanobacteria and Plants|journal=BioScience|year=1998|volume=48|issue=4|pages= |
''N. punctiforme'' is one of the ''[[Nostoc]]'' strains able to maintain [[Diazotroph|diazotrophic]] [[symbiosis]] with [[Vascular plant|higher plants]] such as the [[bryophyte|bryophytes]] ''[[Anthocerus punctatus]]'' and ''[[Blasia pusilla]]'', water ferns from the genus ''[[Azolla]]'', the [[cycads]] ''[[Macrozamia]]'' spp., and the [[angiosperm]] ''[[Gunnera]]''<ref name=Meeks2>{{cite journal|last=Meeks|first=JC|title=Symbiosis between Nitrogen-Fixing Cyanobacteria and Plants|journal=BioScience|year=1998|volume=48|issue=4|pages=266–276|url=http://www.jstor.org/stable/1313353|accessdate=11 December 2011}}</ref>. |
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== References == |
== References == |
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Revision as of 06:21, 16 January 2012
| Nostoc punctiforme | |
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| Class: | see proposal
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| Species: | N. punctiforme
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| Nostoc punctiforme | |
Nostoc punctiforme is a species of filamentous cyanobacteria. Under non-limiting nutritional environmental conditions, its filaments are composed of photosynthetic vegetative cells; upon nutrient limitation, some of these cells undergo differentiation into heterocysts, akinetes or hormogonia[1].
N. punctiforme is one of the Nostoc strains able to maintain diazotrophic symbiosis with higher plants such as the bryophytes Anthocerus punctatus and Blasia pusilla, water ferns from the genus Azolla, the cycads Macrozamia spp., and the angiosperm Gunnera[2].
References
- ^ Meeks, JC (2002). "Cellular differentiation in the cyanobacterium Nostoc punctiforme". Arch Microbiol. 178 (6): 395–403. doi:10.1007/s00203-002-0476-5. Retrieved 11 December 2011.
{{cite journal}}: Unknown parameter|coauthors=ignored (|author=suggested) (help) - ^ Meeks, JC (1998). "Symbiosis between Nitrogen-Fixing Cyanobacteria and Plants". BioScience. 48 (4): 266–276. Retrieved 11 December 2011.
External links
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