Abstract
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.
The esterifying alcohol of the bacteriochlorophyll a of the reaction centers of all seven type strains of the Chlorobiaceae was shown to be phytol.
The compounds withR f -values between the bacteriophaeophytins aP and aGg found by thin-layer-chromatography were shown to be artifacts of the preparation technique.
All strains of the bacteriochlorophyll b-containing purple bacteria have phytol as the major esterifying alcohol; in addition, small amounts of bacteriochlorophyll b are esterified with another alcohol which is most probably all-trans-geranylgeraniol.
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Abbreviations
- DSM:
-
Deutsche Sammlung von Mikroorganismen
- Bchl.:
-
Bacteriochlorophyll
Literatur
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Herrn Prof. Dr. Dr. e. h. Hans Brockmann zum 70. Geburtstag gewidmet.
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Gloe, A., Pfennig, N. Das Vorkommen von Phytol und Geranylgeraniol in den Bacteriochlorophyllen roter und grüner Schwefelbakterien. Arch. Microbiol. 96, 93–101 (1974). https://doi.org/10.1007/BF00590166
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DOI: https://doi.org/10.1007/BF00590166