Quorum-Sensing Systems in Bacillus

Chapter

Abstract

Since centuries bacteria were thought to be unicellular organisms. The discovery of bacterial communication through small molecules has asserted that bacteria can efficiently coordinate intraspecies as well as interspecies. The bacteria become more benefitted and suitable of behaving like a multicellular organism to adopt new modes of growth in limited nutrient supply. Under adverse conditions, single bacterial cell has less chance to survive in isolation; consequently bacterial language has been developed during evolution to communicate with its neighbours through self-generated signals (Bassler and Losick 2006). These signalling small molecules are called as pheromones or autoinducers. These autoinducers sense a critical bacterial density in population (Kievit et al. 2000; Williams et al. 2007).

Keywords

Extracellular Polymeric Substance Quorum Sense Bacterial Cell Density Quorum Sense Molecule Century Bacterium 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgements

The authors wish to thank the director of CSIR-Institute of Genomics and Integrative Biology (IGIB), CSIR-GENCODE (BSC0123), Government of India, for providing the necessary funds and facilities. Authors are also thankful to the Academy of Scientific and Innovative Research (AcSIR), New Delhi. LKS is thankful to UGC and ND is thankful to CSIR for granting Senior Research Fellowships. We highly acknowledge Dr. V. C. Kalia and Mr. Prasun Kumar from CSIR-IGIB, Delhi, India, for their critical comments in the manuscript.

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Copyright information

© Springer India 2015

Authors and Affiliations

  • Lalit K. Singh
    • 1
  • Neha Dhasmana
    • 1
    • 2
  • Yogendra Singh
    • 1
    • 2
  1. 1.Allergy and Infectious DiseasesCSIR-Institute of Genomics and Integrative BiologyDelhiIndia
  2. 2.Academy of Scientific & Innovative Research (AcSIR)New DelhiIndia

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