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Sliding motility is a passive form of surface spreading that does not require an active motor but instead relies on surfactants to reduce surface tension, enabling the colony to spread away from the origin, driven by the outward pressure of cell growth. PubMed. Sliding can be observed in wild isolates of Bacillus subtilis not expressing or deleted for hag gene PubMed. Sliding requires surfactin production and the presence of potassium in the medium PubMed.

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Labs working on sliding

Key genes and operons involved in sliding

  • regulation

Important original publications

Xin Hao, Tam Nguyen, Daniel B Kearns, Carolynn C Arpin, Ray Fall, Tarek Sammakia
New inhibitors of colony spreading in Bacillus subtilis and Bacillus anthracis.
Bioorg. Med. Chem. Lett.: 2011, 21(18);5583-8
[PubMed:21784632] [] [DOI] (I p)

Barry L James, Jennifer Kret, Joyce E Patrick, Daniel B Kearns, Ray Fall
Growing Bacillus subtilis tendrils sense and avoid each other.
FEMS Microbiol. Lett.: 2009, 298(1);12-9
[PubMed:19659723] [] [DOI] (I p)

Ray Fall, Daniel B Kearns, Tam Nguyen
A defined medium to investigate sliding motility in a Bacillus subtilis flagella-less mutant.
BMC Microbiol.: 2006, 6;31
[PubMed:16545127] [] [DOI] (I e)

Rebecca F Kinsinger, Daniel B Kearns, Marina Hale, Ray Fall
Genetic requirements for potassium ion-dependent colony spreading in Bacillus subtilis.
J. Bacteriol.: 2005, 187(24);8462-9
[PubMed:16321950] [] [DOI] (P p)

Rebecca F Kinsinger, Megan C Shirk, Ray Fall
Rapid surface motility in Bacillus subtilis is dependent on extracellular surfactin and potassium ion.
J. Bacteriol.: 2003, 185(18);5627-31
[PubMed:12949115] [] [DOI] (P p)

Key reviews

Joyce E Patrick, Daniel B Kearns
Swarming motility and the control of master regulators of flagellar biosynthesis.
Mol. Microbiol.: 2012, 83(1);14-23
[PubMed:22092493] [] [DOI] (I p)

Daniel B Kearns
A field guide to bacterial swarming motility.
Nat. Rev. Microbiol.: 2010, 8(9);634-44
[PubMed:20694026] [] [DOI] (I p)

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