Biofilm formation
Biofilms are the result of the multicellular lifestyle of B. subtilis. They are characterized by the formation of a matrix polysaccharide and an amyloid-like protein, TasA. Correction of sfp, epsC, swrAA, and degQ as well as introduction of rapP from a plasmid present in NCIB3610 results in biofilm formation in B. subtilis 168 PubMed.
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Contents
Biofilm formation in SubtiPathways
Labs working on biofilm formation
- Daniel Kearns
- Roberto Kolter
- Akos T Kovacs
- Oscar Kuipers
- Beth Lazazzera
- Richard Losick
- Nicola Stanley-Wall
- Jörg Stülke
Key genes and operons involved in biofilm formation
- matrix polysaccharide synthesis:
- amyloid protein synthesis, secretion and assembly
- repellent surface layer
- regulation
- biofilm disassembly (D-amino acids produced by RacX and YlmE and norspermidine produced by GabT and YaaO act together in preventing biofilm formation and triggering biofilm disassembly PubMed)
- other proteins required for biofilm formation
Important original publications
Additional publications: PubMed
James N Wilking, Vasily Zaburdaev, Michael De Volder, Richard Losick, Michael P Brenner, David A Weitz
Liquid transport facilitated by channels in Bacillus subtilis biofilms.
Proc Natl Acad Sci U S A: 2013, 110(3);848-52
[PubMed:23271809]
[WorldCat.org]
[DOI]
(I p)
Munehiro Asally, Mark Kittisopikul, Pau Rué, Yingjie Du, Zhenxing Hu, Tolga Çağatay, Andra B Robinson, Hongbing Lu, Jordi Garcia-Ojalvo, Gürol M Süel
Localized cell death focuses mechanical forces during 3D patterning in a biofilm.
Proc Natl Acad Sci U S A: 2012, 109(46);18891-6
[PubMed:23012477]
[WorldCat.org]
[DOI]
(I p)
Ilana Kolodkin-Gal, Shugeng Cao, Liraz Chai, Thomas Böttcher, Roberto Kolter, Jon Clardy, Richard Losick
A self-produced trigger for biofilm disassembly that targets exopolysaccharide.
Cell: 2012, 149(3);684-92
[PubMed:22541437]
[WorldCat.org]
[DOI]
(I p)
Juan C Garcia-Betancur, Ana Yepes, Johannes Schneider, Daniel Lopez
Single-cell analysis of Bacillus subtilis biofilms using fluorescence microscopy and flow cytometry.
J Vis Exp: 2012, (60);
[PubMed:22371091]
[WorldCat.org]
[DOI]
(I e)
Agnese Seminara, Thomas E Angelini, James N Wilking, Hera Vlamakis, Senan Ebrahim, Roberto Kolter, David A Weitz, Michael P Brenner
Osmotic spreading of Bacillus subtilis biofilms driven by an extracellular matrix.
Proc Natl Acad Sci U S A: 2012, 109(4);1116-21
[PubMed:22232655]
[WorldCat.org]
[DOI]
(I p)
Anna L McLoon, Sarah B Guttenplan, Daniel B Kearns, Roberto Kolter, Richard Losick
Tracing the domestication of a biofilm-forming bacterium.
J Bacteriol: 2011, 193(8);2027-34
[PubMed:21278284]
[WorldCat.org]
[DOI]
(I p)
Arnaud Bridier, Dominique Le Coq, Florence Dubois-Brissonnet, Vincent Thomas, Stéphane Aymerich, Romain Briandet
The spatial architecture of Bacillus subtilis biofilms deciphered using a surface-associated model and in situ imaging.
PLoS One: 2011, 6(1);e16177
[PubMed:21267464]
[WorldCat.org]
[DOI]
(I e)
Nicola R Stanley, Beth A Lazazzera
Defining the genetic differences between wild and domestic strains of Bacillus subtilis that affect poly-gamma-dl-glutamic acid production and biofilm formation.
Mol Microbiol: 2005, 57(4);1143-58
[PubMed:16091050]
[WorldCat.org]
[DOI]
(P p)
Key reviews
Additional reviews: PubMed