Multiorganismal Insects: Diversity and Function of Resident Microorganisms
By A. E. Douglas. Annual Review of Entomology, 2014
1,098 citations recorded by the source corpus.
All insects are colonized by microorganisms on the insect exoskeleton, in the gut and hemocoel, and within insect cells. The insect microbiota is generally different from microorganisms in the external environment, including ingested food. Specifically, certain microbial taxa are favored by the conditions and resources in the insect habitat, by their tolerance of insect immunity, and by specific mechanisms for their transmission. The resident microorganisms can promote insect fitness by contributing to nutrition, especially by providing essential amino acids, B vitamins, and, for fungal partners, sterols. Some microorganisms protect their insect hosts against pathogens, parasitoids, and other parasites by synthesizing specific toxins or modifying the insect immune system. Priorities for future research include elucidation of microbial contributions to detoxification, especially of plant allelochemicals in phytophagous insects, and resistance to pathogens; as well as their role in among-insect communication; and the potential value of manipulation of the microbiota to control insect pests.
Subfields: Insect Science, Plant Science
View Paper: https://www.semanticscholar.org/paper/8fdbcfc018a40f808a86f8c5c07f206043fcdb2c
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Citations in the corpus
- Current knowledge of interactions between Drosophila suzukii and microbes, and their potential utility for pest management (2016, background): “Insects disperse free-living microorganisms between external environmental habitats (Douglas 2015) and in special cases even ‘‘farm’’ mutualistic microbes on plant substrates such as leaves or fruit (Mueller et al. 2005; Stamps et al. 2012).”
- Host Biology in Light of the Microbiome: Ten Principles of Holobionts and Hologenomes (2015, background): “In the microbiome, selection favors the spread of beneficial microbes involved in nutrition, defense, or reproduction [20], while pathogenic microbes are either purged by holobiont selection or the pathogens deploy adaptations such as reproductive distortions to enhance their selfish transmission to”
- Gut bacteria of field-collected larvae of Spodoptera frugiperda undergo selection and are more diverse and active in metabolizing multiple insecticides than laboratory-selected resistant strains (2020, background): “The OTUs obtained were classified as representatives of the phyla Firmicutes, Proteobacteria, Actinobacteria, and Bacterioidetes.”
- Seasonal shifts in the insect gut microbiome are concurrent with changes in cold tolerance and immunity (2018, background): “Changes in these communities of 52 bacteria can affect a range of host phenotypes (Douglas 2011, 2015), thus it is important to 53 explore how microbiomes may shift in response to changes in the environment.”
- Pesticide-Induced Stress in Arthropod Pests for Optimized Integrated Pest Management Programs. (2016, background): “Both physiological and behavioral responses may also be nonself determined when considering the individual arthropod as a symbiont-inhabited ecocosm in which endosymbionts play relevant roles, allowing their host better adaptation to the external environment (44, 127).”