There are some bacteria which are capable of conducting photosynthesis without producing oxygen in the process and bacteriochlorophyll is the main structural unit of the photosynthetic component of such bacteria.
Purple a green sulfur bacteria are the ones that contain bacteriochlorophyll.
bacteriochlorophyll's function is the same as that of chlorophyll in plants.
<em>Chromatium, Thiospirillum, Thidictyon </em>are the bacteria that contain bacteriochlorophyll.
