Article (Scientific journals)
Swimming of bacterium Bacillus subtilis with multiple bundles of flagella
Najafi, Javad; Altegoer, Florian; Bange, Gert et al.
2019In SOFT MATTER, 15 (48), p. 10029-10034
Peer reviewed
 

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Abstract :
[en] We characterize the bundle properties for three different strains of B. subtilis bacteria with various numbers of flagella. Our study reveals that, surprisingly, the number of bundles is independent of the number of flagella, and the formation of three bundles is always the most frequent case. We assume that this relates to the fact that different mutants have the same body length. There is no significant difference between the bundle width and length for distinct strains, but the projected angle between the bundles increases with the flagellar number. Furthermore, we find that the swimming speed is anti-correlated with the projected angle between the bundles, and the wobbling angle between the swimming direction and cell body increases with the number of flagella. Our findings highlight the impact of geometrical properties of bacteria such as body length and bundle configuration on their motility.
Disciplines :
Chemistry
Physics
Materials science & engineering
Author, co-author :
Najafi, Javad;  Saarland Univ, Expt Phys, D-66123 Saarbrucken, Germany.
Altegoer, Florian;  Philipps Univ Marburg, Dept Chem, D-35043 Marburg, Germany.
Bange, Gert;  Philipps Univ Marburg, Dept Chem, D-35043 Marburg, Germany.
Wagner, Christian ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit
External co-authors :
yes
Title :
Swimming of bacterium Bacillus subtilis with multiple bundles of flagella
Publication date :
2019
Journal title :
SOFT MATTER
ISSN :
1744-683X
Publisher :
Royal Soc Chemistry, Cambridge, Unknown/unspecified
Volume :
15
Issue :
48
Pages :
10029-10034
Peer reviewed :
Peer reviewed
Funders :
Deutsche Forschungsgemeinschaft (DFG)German Research Foundation (DFG) [CRC-TRR 174]
Commentary :
We thank Daniel B. Kearns for providing us with the strains. JN Acknowledges Emmanuel Terriac for his initial help with the fluorescence microscopy. JN is also grateful to Thomas Eisenstecken and Mahdiyeh Mousavi for a fruitful discussion. GB thanks the Deutsche Forschungsgemeinschaft (DFG) for support through the CRC-TRR 174.
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