出典:Wiktionary
出典:『Wiktionary』 (2012/03/23 21:49 UTC 版)
pyrenoid (複数形 pyrenoids)
出典:Wikipedia
出典:『Wikipedia』 (2011/05/28 10:57 UTC 版)
In cell biology, pyrenoids are organelles, centers of carbon dioxide fixation within the chloroplasts of algae and hornworts. Pyrenoids are not membrane-bound, but specialized areas of the plastid that contain high levels of ribulose-1,5-bisphosphate carboxylase/oxygenase (RubisCO).