anoxygenicadj.
Biol.
That lacks or does not produce oxygen; spec. designating or pertaining to a type of photosynthesis, occurring in certain bacteria, which does not generate oxygen.
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anoxygenic1975
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anoxygenic1975
1975 Jrnl. Bacteriol. 123 860/2 In addition to the anoxygenic photosynthesis, O. limnetica is capable of oxygenic photosynthesis and can readily shift from one to the other.
1976 Nature 22 Jan. 176/2 Everyone seemed to agree with Siever that the earliest Archaean atmosphere was anoxygenic.
1986 M. Kogut tr. Schlegel Gen. Microbiol. ii. 70 Anoxygenic phototrophs..grow in the anaerobic zone.
1986 M. Kogut tr. Schlegel Gen. Microbiol. xii. 369 The photosynthetic bacteria that carry out anoxygenic photosynthesis have been divided into two large groups: the purple bacteria..and the green bacteria.
This entry has not yet been fully updated (first published 1997; most recently modified version published online November 2010).
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adj.1975