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Nostoc punctiforme : ウィキペディア英語版 | 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. ''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''. == References ==
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Nostoc punctiforme」の詳細全文を読む
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