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Anabaena variabilis : ウィキペディア英語版 | Anabaena variabilis
''Anabaena variabilis'' is a species of filamentous cyanobacterium. This species of the genus ''Anabaena'' and the domain Eubacteria is capable of photosynthesis. This species is also known to be heterotrophic in that it may grow without light in the presence of fructose. It also can convert atmospheric dinitrogen to ammonia via nitrogen fixation. ''Anabaena variabilis'' is a phylogenic-cousin of the more well-known species ''Nostoc spirrilum''. Both of these species along with many other cyanobacteria are known to form symbiotic relationships with plants. Other cyanobacteria are known to form symbiotic relationships with diatoms, though no such relationship has been observed with ''Anabaena variabilis''. ''Anabaena variabilis'' is also a model organism for studying the beginnings of multicellular life due to its filamentous characterization and cellular-differentiation capabilities. ==References== Page 12 Aurora by Kim Stanley Robinson.
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「Anabaena variabilis」の詳細全文を読む
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