NDLI: Physiological Characterization of Cyanophora paradoxa, a Flagellate Containing Cyanelles in Endosymbiosis

Content Provider	Semantic Scholar
Author	Bothe, Hermann Floener, L.
Copyright Year	1978
Abstract	Culture conditions are described under which Cyanophora paradoxa grows with a generation time of less than two days. The organism is an obligate photoautotrophic flagellate unable to degrade exogenous carbohydrates via respiration. It does not synthesize nitrogenase but can form a hydrogenase with similar properties as in blue-green algae. The photosynthetic O2-evolution proceeds with essentially the same rate as in green or blue-green algae. Besides CO2, p-benzochinon, nitrate and nitrite also stimulate the photosynthetic O2-evolution. Nitrite reduction is strictly light- dependent where the stoicheiometry between nitrite-disappearance and photosynthetic O2-evolution is 1:1.5. It is concluded that the cyanelles supply the eucaryotic host both with carbon and nitrogen compounds.
Starting Page	981
Ending Page	987
Page Count	7
File Format	PDF HTM / HTML
DOI	10.1515/znc-1978-11-1228
Volume Number	33
Alternate Webpage(s)	http://zfn.mpdl.mpg.de/data/Reihe_C/33/ZNC-1978-33c-0981.pdf
Alternate Webpage(s)	https://doi.org/10.1515/znc-1978-11-1228
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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