Cited by 1,059Bacterial biofilms and quorum sensingBacterial Genetics and BiotechnologyEscherichia coli research studies

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Indole as an intercellular signal in microbial communities

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Lee, Jin-Hyung, Lee, Jintae·2010·FEMS Microbiology Reviews

DOI 10.1111/j.1574-6976.2009.00204.x

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Abstract

Bacteria can utilize signal molecules to coordinate their behavior to survive in dynamic multispecies communities. Indole is widespread in the natural environment, as a variety of both Gram-positive and Gram-negative bacteria (to date, 85 species) produce large quantities of indole. Although it has been known for over 100 years that many bacteria produce indole, the real biological roles of this molecule are only now beginning to be unveiled. As an intercellular signal molecule, indole controls diverse aspects of bacterial physiology, such as spore formation, plasmid stability, drug resistance, biofilm formation, and virulence in indole-producing bacteria. In contrast, many non-indole-producing bacteria, plants and animals produce diverse oxygenases which may interfere with indole signaling. It appears indole plays an important role in bacterial physiology, ecological balance, and possibly human health. Here we discuss our current knowledge and perspectives on indole signaling.

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Authors: Lee, J.-H., & Lee, J.
Affiliations: Yeungnam University (KR)
Corresponding author: Lee, Jintae
ORCID: Lee, Jin-Hyung
Lee, Jintae
Venue: FEMS Microbiology Reviews
Publisher: Oxford University Press (OUP)
Published: 2010-07
Volume: 34
Issue: 4
Pages: 426-444
ISSN: 0168-6445 (ISSN-L)
1574-6976
DOI: 10.1111/j.1574-6976.2009.00204.x
OpenAlex: W2049821596
Cited by: 1,059
References: 174
Citations by year: 2026: 82 · 2025: 113 · 2024: 94 · 2023: 115 · 2022: 112 · 2021: 99 · 2020: 89 · 2019: 62 · 2018: 61 · 2017: 42 · 2016: 36 · 2015: 44 · 2014: 42 · 2013: 27 · 2012: 17
FWCI: 1.02
Type: journal article
Language: en
Open access: bronze
doi.org
Locations: FEMS Microbiology Reviews (publishedVersion)
PubMed (publishedVersion)
Funders: Yeungnam University
Directorate for Education and Human Resources
Topics: Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Bacterial biofilms and quorum sensing
Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Bacterial Genetics and Biotechnology
Life Sciences › Immunology and Microbiology › Microbiology › Escherichia coli research studies
Keywords: intercellular communication, bacterial quorum sensing, microbial communities, sporulation, plasmid stability, drug resistance, biofilm formation, virulence, Gram-positive bacteria, Gram-negative bacteria
MeSH terms: Bacteria, Indoles, Plasmids, Virulence, Signal Transduction, Gene Expression Regulation, Bacterial, Bacterial Physiological Phenomena, Biofilms, Drug Resistance, Bacterial, Quorum Sensing

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