Caryophanone
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Caryophanon is a bacteria - species . This includes multicellular, relatively large, peritrich flagellated, gram-positive bacteria. The individuals are roughly cylindrical with slightly tapered ends, about 1.4 to 3.2 µm in diameter, about 10 to 20 µm in length, and consist of a series of short cells that are 1.0 to 2.0 µm long . They grow in length in that the individual cells are divided across the entire length of the multicellular individual, the plane of division being perpendicular to the longitudinal axis of the individual, so that the cells are only ever arranged in a row. Up to 5 transverse walls can be formed in the cells at the same time. The multicellular individuals multiply by dividing in the middle into two multicellular daughter individuals. Endospores are not formed.
The representatives of the genus Caryophanon have a temperature optimum of growth at 25 to 30 ° C (are therefore mesophilic), are strictly aerobic and chemo-organotrophic . Simple, low molecular weight fatty acids , especially acetic acid , are oxidatively degraded as the main source of energy .
Two types of the genus Caryophanon are known. Caryophanon latum occurs in fresh cattle droppings , in which it quickly develops into a mass population that soon disappears again after the main energy sources (lower fatty acids) have been exhausted. In culture it only grows in complex nutrient media ; the typical shape was only observed in culture when the culture media contained cattle excrement.
Certain strains produce the restriction endonuclease Cla I, which is used in molecular biology.
literature
- Martin Dworkin, Stanley Falkow, Eugene Rosenberg, Karl-Heinz Schleifer , Erko Stackebrandt (Eds.) The Prokaryotes, A Handbook of the Biology of Bacteria . 3rd edition, Vol. 3: Archaea. Bacteria: Firmicutes, Actinomycetes . Springer-Verlag, New York et al. O., 2006, ISBN 978-0-387-25493-7 .
Individual evidence
- ^ Jean Euzéby, Aidan C. Parte: Genus Caryophanon. In: List of Prokaryotic names with Standing in Nomenclature ( LPSN ). Retrieved December 31, 2013 .