Bacteriochlorophyll
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Bacteriochlorophyll".

Bacteriochlorophylls are photosynthetic pigments that occur in various phototrophic bacteria. They are related to chlorophylls, which are the primary pigments in plants, algae, and cyanobacteria. Groups that contain bacteriochlorophyll conduct photosynthesis, but do not produce oxygen. They use wavelengths of light not absorbed by plants. Different groups contain different types of bacteriochlorophyll:

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Bacteriochlorophyll a Purple bacteria, Chloracidobacterium thermophilum[1]
Bacteriochlorophyll b Purple bacteria
Bacteriochlorophyll c Green sulfur bacteria, Chloroflexi, Cab. thermophilum
Bacteriochlorophyll d Green sulfur bacteria
Bacteriochlorophyll e Green sulfur bacteria
Bacteriochlorophyll g Heliobacteria

Bacteriochlorophylls c, d and e are chlorins, with one reduced pyrrole ring (D), and the others are bacteriochlorins, with two (B and D).

References

  1. ^ Bryant, Donald A. et al. (2007-07-27), "Candidatus Chloracidobacterium thermophilum: An Aerobic Phototrophic Acidobacterium", Science 317 (5837): 523-526, <http://www.sciencemag.org/cgi/content/abstract/317/5837/523> 
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