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Hartmann, A. ; Binder, T. ; Rothballer, M.

Quorum sensing related activities of beneficial and pathogenic bacteria have important implications for plant and human health.

FEMS Microbiol. Ecol. 100:fiae076 (2024)

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Eukaryotic organisms co-evolved with microbes from the environment forming holobiotic meta-genomic units. Members of host-associated microbiomes have commensalic, benefical / symbiotic or pathogenic phenotypes. More than 100 years ago, Lorenz Hiltner, pioneer of soil microbiology, introduced the term "Rhizosphere" to characterize the observation that a high density of saprophytic, beneficial and pathogenic microbes are attracted by root exudates. The balance between these types of microbes decide about the health of the host. Nowadays we know, that for the interaction of microbes with all eukaryotic hosts similar principles and processes of cooperative and competitive functions are in action. Small diffusible molecules like (phyto)hormones, volatiles and quorum sensing signals are examples for mediators of interspecies and cross-kingdom interactions. Quorum sensing (QS) of bacteria is mediated by different auto-inducible metabolites in a density dependent manner. In this perspective publication, the role of QS-related activities for the health of hosts will be discussed focussing mostly on N-acyl-homoserine lactones (AHL). It is also considered that in some cases very close phylogenetic relations exist between plant beneficial and opportunistic human pathogenic bacteria. Based on a genome and system-targeted new understanding, sociomicrobiological solutions are possible for the biocontrol of diseases and the health improvement of eukaryotic hosts.

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Publication type Article: Journal article

Document type Review

Corresponding Author

Keywords N-acyl-homoserine Lactones ; One Health Concept ; Control Of Pathogens ; Host Beneficial Microbes ; Opportunistic Human Pathogens ; Quorum Sensing Molecules ; Systemic Induction Of Tolerance To Abiotic Stress; Acyl-homoserine Lactones; N-acylhomoserine Lactones; Pseudomonas-aeruginosa; Phenotypic Variation; Environmental Strains; Root-colonization; Sp Nov.; Rhizosphere; Herbaspirillum; Resistance

ISSN (print) / ISBN 0168-6496

e-ISSN 1574-6941

Journal FEMS Microbiology Ecology

Quellenangaben Volume: 100, Issue: 6, Article Number: fiae076

Publisher Wiley

Publishing Place Oxford

Non-patent literature Publications

Reviewing status Peer reviewed

Institute(s) Institute of Network Biology (INET)