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Aphid Protected from Pathogen by Endosymbiont
Abstract
Aphids are associated with several facultative bacterial endosymbionts that may influence their interactions with other organisms. We show here that one of the three most common facultative symbionts of pea aphid (Acyrthosiphon pisum), the bacterium Regiella insecticola, has a major effect on host resistance to a fungal pathogen. Experimental establishment of the bacterium in uninfected aphid clones led to higher survival after fungal attack. The bacteria also increased the aphid's inclusive fitness, because the presence of the symbiont reduced the probability of fungal sporulation on aphid cadavers, hence lowering the rate of transmission of the disease to nearby related aphids.
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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 emerging diversity of Rickettsia
Perlman, S. J., Hunter, M. S., & Zchori-Fein, E. (2006) · Proceedings of the Royal Society B: Biological Sciences · doi:10.1098/rspb.2006.3541 · Cited by 409
Bacterial symbionts in insects or the story of communities affecting communities
Ferrari, J., & Vavre, F. (2011) · Philosophical Transactions of the Royal Society B: Biological Sciences · doi:10.1098/rstb.2010.0226 · Cited by 334
Self-citationBouchon, D., Zimmer, M., & Dittmer, J. (2016) · Frontiers in Microbiology · doi:10.3389/fmicb.2016.01472 · Cited by 110
Metadata
- Authors
- Scarborough, C. L., Ferrari, J., & Godfray, H. C. J.
- Venue
- Science
- Published
- 2005-12-16
- Volume
- 310
- Issue
- 5755
- Pages
- 1781-1781
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W1986068618
- Cited by
- 750
- References
- 0
- FWCI
- 22.60
- Type
- journal article
- Language
- en
- Open access
- closed
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