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Bacterial Protection of Beetle-Fungus Mutualism
Open accessAbstract
Host-microbe symbioses play a critical role in the evolution of biological diversity and complexity. In a notably intricate system, southern pine beetles use symbiotic fungi to help overcome host-tree defenses and to provide nutrition for their larvae. We show that this beetle-fungal mutualism is chemically mediated by a bacterially produced polyunsaturated peroxide. The molecule's selective toxicity toward the beetle's fungal antagonist, combined with the prevalence and localization of its bacterial source, indicates an insect-microbe association that is both mutualistic and coevolved. This unexpected finding in a well-studied system indicates that mutualistic associations between insects and antibiotic-producing bacteria are more common than currently recognized and that identifying their small-molecule mediators can provide a powerful search strategy for therapeutically useful antimicrobial compounds.
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Citations
Cited by
Multiorganismal Insects: Diversity and Function of Resident Microorganisms
Douglas, A. E. (2015) · Annual Review of Entomology · doi:10.1146/annurev-ento-010814-020822 · Cited by 1,315
The human microbiome: Our second genome
Grice, E. A., & Segre, J. A. (2012) · Annual Review of Genomics and Human Genetics · doi:10.1146/annurev-genom-090711-163814 · Cited by 759
Streptomyces as symbionts: an emerging and widespread theme?
Seipke, R. F., Kaltenpoth, M., & Hutchings, M. I. (2012) · FEMS Microbiology Reviews · doi:10.1111/j.1574-6976.2011.00313.x · Cited by 417
Raksasat, R., Lim, J. W., Kiatkittipong, W., Kiatkittipong, K., Ho, Y. C., Lam, M. K., Font-Palma, C., Mohd Zaid, H. F., & Cheng, C. K. (2020) · Environmental Pollution · doi:10.1016/j.envpol.2020.115488 · Cited by 154
Mazza, L., Xiao, X., ur Rehman, K., Cai, M., Zhang, D., Fasulo, S., Tomberlin, J. K., Zheng, L., Soomro, A. A., Yu, Z., et al. (2020) · Waste Management · doi:10.1016/j.wasman.2019.10.055 · Cited by 126
Metadata
- Authors
- Scott, J. J., Oh, D.-C., Yuceer, M. C., Klepzig, K. D., Clardy, J., & Currie, C. R.
- Venue
- Science
- Published
- 2008-10-03
- Volume
- 322
- Issue
- 5898
- Pages
- 63-63
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2006702818
- Cited by
- 478
- References
- 0
- FWCI
- 26.84
- Type
- journal article
- Language
- en
- Open access
- green
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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