Bacterial Endophytes and Their Interactions with Hosts
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TLDR
Molecular analysis showed that plant defense responses limit bacterial populations inside plants, and delivery of endophytes to the environment or agricultural fields should be carefully evaluated to avoid introducing pathogens.Abstract:
Recent molecular studies on endophytic bacterial diversity have revealed a large richness of species. Endophytes promote plant growth and yield, suppress pathogens, may help to remove contaminants, solubilize phosphate, or contribute assimilable nitrogen to plants. Some endophytes are seed-borne, but others have mechanisms to colonize the plants that are being studied. Bacterial mutants unable to produce secreted proteins are impaired in the colonization process. Plant genes expressed in the presence of endophytes provide clues as to the effects of endophytes in plants. Molecular analysis showed that plant defense responses limit bacterial populations inside plants. Some human pathogens, such as Salmonella spp., have been found as endophytes, and these bacteria are not removed by disinfection procedures that eliminate superficially occurring bacteria. Delivery of endo-phytes to the environment or agricultural fields should be carefully evaluated to avoid introducing pathogens.read more
Citations
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Revealing structure and assembly cues for Arabidopsis root-inhabiting bacterial microbiota
Davide Bulgarelli,Matthias Rott,Klaus Schlaeppi,Emiel Ver Loren van Themaat,Nahal Ahmadinejad,Federica Assenza,Philipp Rauf,Bruno Huettel,Richard Reinhardt,Elmon Schmelzer,Joerg Peplies,Frank Oliver Gloeckner,Rudolf Amann,Thilo Eickhorst,Paul Schulze-Lefert +14 more
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Plant growth-promoting bacteria in the rhizo- and endosphere of plants: Their role, colonization, mechanisms involved and prospects for utilization
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The Hidden World within Plants: Ecological and Evolutionary Considerations for Defining Functioning of Microbial Endophytes
Pablo R. Hardoim,Leonard S. van Overbeek,Gabriele Berg,Anna Maria Pirttilä,Stéphane Compant,Andrea Campisano,Matthias Döring,Angela Sessitsch +7 more
TL;DR: This review addresses the concept of endophytism, considering the latest insights into evolution, plant ecosystem functioning, and multipartite interactions.
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Indole-3-acetic acid in microbial and microorganism-plant signaling.
TL;DR: The fact that bacteria use this phytohormone to interact with plants as part of their colonization strategy, including phyto-stimulation and circumvention of basal plant defense mechanisms, is highlighted.
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Properties of bacterial endophytes and their proposed role in plant growth.
TL;DR: The modulation of ethylene levels in plants by bacterially produced 1-aminocyclopropane-1-carboxylate deaminase is a key trait that enables interference with the physiology of the host plant, and this mechanism leads to the concept of 'competent' endophytes, defined asendophytes that are equipped with genes important for maintenance of plant-endophyte associations.
References
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Journal ArticleDOI
Use of Plant Growth-Promoting Bacteria for Biocontrol of Plant Diseases: Principles, Mechanisms of Action, and Future Prospects
TL;DR: As agricultural production intensified over the past few decades, producers became more and more dependent on agrochemicals as a relatively reliable method of crop production.
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Molecular Analysis of Commensal Host-Microbial Relationships in the Intestine
TL;DR: Coloring germ-free mice with Bacteroides thetaiotaomicron reveals that this commensal bacterium modulates expression of genes involved in several important intestinal functions, including nutrient absorption, mucosal barrier fortification, xenobiotic metabolism, angiogenesis, and postnatal intestinal maturation.
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Bioprospecting for Microbial Endophytes and Their Natural Products
Gary A. Strobel,Bryn Daisy +1 more
TL;DR: Endophytic microorganisms reside in the living tissues of the host plant and do so in a variety of relationships, ranging from symbiotic to slightly pathogenic, which may produce a plethora of substances of potential use to modern medicine, agriculture, and industry.
Journal ArticleDOI
Bacterial endophytes in agricultural crops
TL;DR: Historically, endophytic bacteria have been thought to be weakly virulent plant pathogens but have recently been discovered to have several beneficial effects on host plants, such as plant growth promotion and increased resistance against plant pathogens and parasites.
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Plants have a sensitive perception system for the most conserved domain of bacterial flagellin
TL;DR: It is demonstrated that plants have a highly sensitive chemoperception system for eubacterial flagellins, specifically targeted to the most highly conserved domain within its N terminus.