The DOI matches its Crossref record; 177 of the 177 references it cites were found in a registry or an index.
Indole as an intercellular signal in microbial communities
Open accessAbstract
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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“Several bacterial taxa can also affect tryptophan levels by direct utilization for growth or via tryptophanase expression (28, 203, 204)”
From Signalling cognition: The gut microbiota and hypothalamic-pituitary-adrenal axis (2023) · cites this paper as [203]
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Microbial tryptophan catabolites in health and disease
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Metadata
- Authors
- Lee, J.-H., & Lee, J.
- Affiliations
- Yeungnam University (KR)
- Corresponding author
- 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
- 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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