bacteriochlorophyll(redirected from Bacteriochlorophylls)
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Any form of chlorophyll in photosynthetic bacteria: 1) bacteriochlorophyll a, -CH=CH2 replaced by -CO-CH3 in the chlorophyll α structure, two hydrogens also being added; the photosynthetic pigments of purple bacteria; 2) bacteriochlorophyll b, -CH=CH2 replaced by -CO-CH3 and -CH2-CH3 replaced by -CΞCH in the chlorophyll β structure, two hydrogens also being added.
bacteriochlorophyll/bac·te·rio·chlo·ro·phyll/ (bak-tēr″e-o-klor´o-fil) a form of chlorophyll produced by certain bacteria and capable of carrying out photosynthesis.
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.