Bacteriophages encode factors required for protection in a symbiotic mutualism
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Attacks Wasps: The bacterium Hamiltonella defensa infects aphids and carries virulence determinants from a bacteriophage virus. Oliver et al. (p. 992 ) have now found that the toxin-bearing phage does not harm the aphid host of the bacterium, but targets the larvae of parasitoid wasps that infest the aphids. If an aphid population is not infested by wasps, the allied bacteriophage is shed by the bacterium, presumably because there is a cost to carrying it. If the wasps then resume their predation, the aphids are no longer protected and succumb to the parasitoid.
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Insects can also carry facultative (secondary) endosymbionts whose fitness effects on their hosts can be variable and complex.
“Insects can also carry facultative (secondary) endosymbionts whose fitness effects on their hosts can be variable and complex (Oliver et al. 2006(Oliver et al. , 2009;;Degnan et al. 2009;Burke et al. 2010).”
From RELAX: Detecting Relaxed Selection in a Phylogenetic Framework (2015) · cites this paper as Oliver et al. 2009
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Research works printed but not linked: 21
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RELAX: Detecting Relaxed Selection in a Phylogenetic Framework
Wertheim, J. O., Murrell, B., Smith, M. D., Kosakovsky Pond, S. L., & Scheffler, K. (2015) · Molecular Biology and Evolution · doi:10.1093/molbev/msu400 · Cited by 778 · see citing works
Antibiotic treatment expands the resistance reservoir and ecological network of the phage metagenome
Modi, S. R., Lee, H. H., Spina, C. S., & Collins, J. J. (2013) · Nature · doi:10.1038/nature12212 · Cited by 542 · see citing works
- Authors
- Oliver, K. M., Degnan, P. H., Hunter, M. S., & Moran, N. A.
- Affiliations
- University of Georgia (US)
- University of Arizona (US)
- Corresponding author
- Oliver, Kerry M.
- Venue
- Science
- Published
- 2009-08-21
- Volume
- 325
- Issue
- 5943
- Pages
- 992-994
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- PMC
- PMC5473335
- OpenAlex
- W1978339035
- Cited by
- 481
- References
- 0
- Citations by year
- 2026: 15 · 2025: 29 · 2024: 15 · 2023: 23 · 2022: 20 · 2021: 32 · 2020: 27 · 2019: 34 · 2018: 28 · 2017: 34 · 2016: 35 · 2015: 21 · 2014: 31 · 2013: 43 · 2012: 30
- FWCI
- 37.15
- Type
- journal article
- Language
- en
- Open access
- green
- www.ncbi.nlm.nih.gov
- Locations
- Science (publishedVersion)
- PubMed (publishedVersion)
- Europe PMC (PubMed Central) (acceptedVersion)
- PubMed Central (acceptedVersion)
- Funders
- National Institute of General Medical Sciences (K12GM000708)
- Topics
- Life Sciences › Agricultural and Biological Sciences › Insect Science › Insect symbiosis and bacterial influences
- Physical Sciences › Environmental Science › Ecology › Bacteriophages and microbial interactions
- Life Sciences › Immunology and Microbiology › Immunology › Invertebrate Immune Response Mechanisms
- Keywords
- bacteriophages, Hamiltonella defensa, Acyrthosiphon pisum, Aphidius ervi, mobile genetic elements, host-symbiont interactions
- MeSH terms
- Animals, Aphids, Cytotoxins, Enterobacteriaceae, Female, Genotype, Host-Parasite Interactions, Larva, Phenotype, Symbiosis, Wasps, Podoviridae, Reverse Transcriptase Polymerase Chain Reaction, Virulence Factors
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