Das Vorkommen von Phytol und Geranylgeraniol in den Bacteriochlorophyllen roter und grüner Schwefelbakterien

The bacteriochlorophylls a of 38 strains belonging to 15 different species of the purple sulfur bacteria (Chromatiaceae) were studied with respect to the nature of the esterifying alcohol. The classical bacteriochlorophyll aP containing phytol is the main bacteriochlorophyll in all strains. The new bacteriochlorophyll aGg occurs as a minor component in addition to bacteriochlorophyll aP only in five species.