bacteriochlorophyll

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bac·te·ri·o·chlo·ro·phyll

 (băk-tîr′ē-ō-klôr′ə-fĭl)
n.
Any of a group of pigments, especially one having the formula C55H74MgN4O6, that absorb light energy used in photosynthesis and that are found in photosynthetic bacteria that do not produce oxygen as a byproduct of photosynthesis.
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Noun1.bacteriochlorophyll - a substance in photosensitive bacteria that is related to but different from chlorophyll of higher plants
pigment - dry coloring material (especially a powder to be mixed with a liquid to produce paint, etc.)
References in periodicals archive ?
55,56) These compounds are diagenetic derivatives of photosynthetic pigments, isorenieratene and bacteriochlorophylls e, respectively, from obligately anaerobic green sulfur bacteria.
The basic structure of geoporphyrins, especially those with an exocyclic ring in the southern part of the molecule, is strongly suggestive of origin from chlorophylls and bacteriochlorophylls, which are major photosynthetic pigments of photoautotrophs.
This hypothesis has been recently boosted by experimental results which reveal long-lived quantum coherent excitonic dynamics in the energy transfer among bacteriochlorophylls in photosynthetic complexes (Engel et al.