Metamorphosis of Magnetospirillum magneticum AMB-1 cells

Fengli Zhang; Kui Yu-Zhang; Sanjun Zhao; Tian Xiao; Michel Denis; Longfei Wu

doi:10.1007/s00343-010-9287-8

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Metamorphosis of Magnetospirillum magneticum AMB-1 cells

Updated：2023-05-16

- Metamorphosis of Magnetospirillum magneticum AMB-1 cells
- Journal of Oceanology and Limnology Vol. 28, Issue 2, Pages: 304-309(2010)
- Affiliations：
  
  1. Laboratoire de Chimie Bactérienne UPR Institut de Biologie Structurale et Microbiologie CNRS,9043
  2. Laboratory of Marine Biotechnology School of Life Sciences & Biotechnology Key Laboratory of Microbial Metabolism Ministry of Education Shanghai Jiao Tong University
  3. Laboratoire de Microscopies et d’Etude de Nanostructures (LMEN) Université de Reims Champagne-Ardenne
  4. Key Laboratory of Marine Ecology & Environmental Sciences Institute of Oceanology Chinese Academy of Sciences
  5. Laboratoire de Microbiologie Géochimie et Ecologie Marines CNRS UMR Centre d’Océanologie de Marseille Université de la Méditerranée,6117
- Author bio：
- Funds：
- DOI：10.1007/s00343-010-9287-8
  CLC：
- Online First：20 March 2010，
  
  Published：2010
- Accepted：
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Zhang, F., Yu-Zhang, K., Zhao, S. et al. Metamorphosis of Magnetospirillum magneticum AMB-1 cells., Chin. J. Ocean. Limnol. 28, 304–309 (2010). https://doi.org/10.1007/s00343-010-9287-8
DOI：

Zhang, F., Yu-Zhang, K., Zhao, S. et al. Metamorphosis of Magnetospirillum magneticum AMB-1 cells., Chin. J. Ocean. Limnol. 28, 304–309 (2010). https://doi.org/10.1007/s00343-010-9287-8 DOI：

摘要

Abstract

Magnetospirillum magneticum strain AMB-1 belongs to the family of magnetotactic bacteria. It possesses a magnetosome chain aligning

with the assistance of cytoskeleton filaments MamK

along the long axis of the spiral cells. Most fresh M. magneticum AMB-1 cells exhibit spiral morphology. In addition

other cell shapes such as curved and spherical were also observed in this organism. Interestingly

the spherical cell shape increased steadily with prolonged incubation time. As the actin-like cytoskeleton protein MreB is involved in maintenance of cell shapes in rod-shaped bacteria such as Escherichia coli and Bacillus subtilis

the correlation between MreB protein levels and cell shape was investigated in this study. Immunoblotting analysis showed that the quantity of MreB decreased when the cell shape changed along with incubation time. As an internal control

the quantity of MamA was not obviously changed under the same conditions. Cell shape directs cell-wall synthesis during growth and division. MreB is required for maintaining the cell shape. Thus

MreB might play an essential role in maintaining the spiral shape of M. magneticum AMB-1 cells.

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Keywords

references

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