Dictionary » A » Anoxygenic




Not producing oxygen, especially to describe certain forms of bacterial photosynthesis.


The term anoxygenic is most often used to describe the form of photosynthesis in purple bacteria, green sulfur bacteria, green non-sulfur bacteria, and heliobacteria. In this kind of photosynthesis, the electron flow is cyclic with all electrons used in photosynthesis eventually being transferred back to the single reaction center and oxygen is not produced.

Word origin: an- (without) + oxy(gen) + -ic.

Compare: oxygenic.
See also: oxygen.

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Multicellular prokaryote

... they carried out this process long before plants EXISTED . Did you know the first process of photosynthesis did not produce oxygen (anoxygenic photosynthesis) as a by-product! Bacteria eventually adapted to their environment and made a more suitable environment by producing oxygen ...

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by chrisPbacon
Fri Feb 03, 2012 1:21 am
Forum: Microbiology
Topic: Multicellular prokaryote
Replies: 27
Views: 41165

The Fiber Disease

... It is reported that purple-sulfur photosynthetic bacterium Thiocapsa roseopersicina has an oxygen-tolerant evolving NiFe-hydrogenase, but this anoxygenic microbe can not split water. It is therefore logic to transfer the hydrogenase into cyanobacteria to construct a novel hybrid system that ...

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by Skytroll
Thu Sep 21, 2006 6:53 pm
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 6243054

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