Functions of non-crystal magnetosomes in bacteria

Details Functions of non-crystal magnetosomes in bacteria Functions of non-crystal magnetosomes in bacteria

Jul 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998spie.3441..280v&link_type=abstract

Proc. SPIE Vol. 3441, p. 280-288, Instruments, Methods, and Missions for Astrobiology, Richard B. Hoover; Ed.

Biology

Scientific paper

Intracellular non-crystal magnetosomes are presented in prokaryotes of different taxonomic and physiological groups. Formation of the internal magnetosomes is provoked with some external agents. The situation permits to discuss functions of the magnetosomes as responses to surroundings. A few possible functions are discussed. Hypothesis on oriented motion of bacteria in geomagnetic field suits well data on the linear intracellular distribution of the magnetosomes in some species. An additional hypothesis is oriented attraction of iron-containing compounds to magnetic bacteria. Independently, magnetosomes have a function of the intracellular iron storage. In strong magnetic field, magnetosomes stimulated lysis of bacteria. Sometimes the bacterial lysis was accompanied with production of nanocells.

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