Diversity of locust gut bacteria protects against pathogen invasion

Research output: Contribution to Journal/Magazine › Journal article › peer-review

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Diversity of locust gut bacteria protects against pathogen invasion. / Dillon, R J ; Vennard, C T ; Buckling, A et al.
In: Ecology Letters, Vol. 8, No. 12, 12.2005, p. 1291-1298.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Dillon, RJ, Vennard, CT, Buckling, A & Charnley, AK 2005, 'Diversity of locust gut bacteria protects against pathogen invasion', Ecology Letters, vol. 8, no. 12, pp. 1291-1298. https://doi.org/10.1111/j.1461-0248.2005.00828.x

APA

Dillon, R. J., Vennard, C. T., Buckling, A., & Charnley, A. K. (2005). Diversity of locust gut bacteria protects against pathogen invasion. Ecology Letters, 8(12), 1291-1298. https://doi.org/10.1111/j.1461-0248.2005.00828.x

Vancouver

Dillon RJ, Vennard CT, Buckling A, Charnley AK. Diversity of locust gut bacteria protects against pathogen invasion. Ecology Letters. 2005 Dec;8(12):1291-1298. doi: 10.1111/j.1461-0248.2005.00828.x

Author

Dillon, R J ; Vennard, C T ; Buckling, A et al. / Diversity of locust gut bacteria protects against pathogen invasion. In: Ecology Letters. 2005 ; Vol. 8, No. 12. pp. 1291-1298.

Bibtex

@article{8dc134bc44034e6d878124353c858224,

title = "Diversity of locust gut bacteria protects against pathogen invasion",

abstract = "Diversity-invasibility relationships were explored in the novel context of the colonization resistance provided by gut bacteria of the desert locust Schistocerca gregaria against pathogenic bacteria. Germ-free insects were associated with various combinations of one to three species of locust gut bacteria and then fed an inoculum of the pathogenic bacterium Serratia marcescens. There was a significant negative relationship between the resulting density of Serratia marcescens and the number of symbiotic gut bacterial species present. Likewise there was a significant inverse relationship between community diversity and the proportion of locusts that harboured Serratia. Host mortality was not negatively correlated with resistance to gut-invasion by Serratia marcescens, although there were significantly more deaths among pathogen fed germ-free insects than tri-associated gnotobiotes. The outcome is consistent with the predictions of community ecology theory that species-rich communities are more resistant to invasion than species-poor communities.",

keywords = "colonization resistance, diversity, germ free, locusts, Schistocerca gregaria, Serratia marcescens, SALMONELLA-TYPHIMURIUM INFECTION, SCHISTOCERCA-GREGARIA, DESERT LOCUST, PARASITE VIRULENCE, METARHIZIUM-ANISOPLIAE, MULTIPLE INFECTION, LINKING DIVERSITY, GNOTOBIOTIC MICE, COMMUNITIES, RESISTANCE",

author = "Dillon, {R J} and Vennard, {C T} and A Buckling and Charnley, {A K}",

year = "2005",

month = dec,

doi = "10.1111/j.1461-0248.2005.00828.x",

language = "English",

volume = "8",

pages = "1291--1298",

journal = "Ecology Letters",

issn = "1461-023X",

publisher = "Wiley",

number = "12",

}

RIS

TY - JOUR

T1 - Diversity of locust gut bacteria protects against pathogen invasion

AU - Dillon, R J

AU - Vennard, C T

AU - Buckling, A

AU - Charnley, A K

PY - 2005/12

Y1 - 2005/12

N2 - Diversity-invasibility relationships were explored in the novel context of the colonization resistance provided by gut bacteria of the desert locust Schistocerca gregaria against pathogenic bacteria. Germ-free insects were associated with various combinations of one to three species of locust gut bacteria and then fed an inoculum of the pathogenic bacterium Serratia marcescens. There was a significant negative relationship between the resulting density of Serratia marcescens and the number of symbiotic gut bacterial species present. Likewise there was a significant inverse relationship between community diversity and the proportion of locusts that harboured Serratia. Host mortality was not negatively correlated with resistance to gut-invasion by Serratia marcescens, although there were significantly more deaths among pathogen fed germ-free insects than tri-associated gnotobiotes. The outcome is consistent with the predictions of community ecology theory that species-rich communities are more resistant to invasion than species-poor communities.

AB - Diversity-invasibility relationships were explored in the novel context of the colonization resistance provided by gut bacteria of the desert locust Schistocerca gregaria against pathogenic bacteria. Germ-free insects were associated with various combinations of one to three species of locust gut bacteria and then fed an inoculum of the pathogenic bacterium Serratia marcescens. There was a significant negative relationship between the resulting density of Serratia marcescens and the number of symbiotic gut bacterial species present. Likewise there was a significant inverse relationship between community diversity and the proportion of locusts that harboured Serratia. Host mortality was not negatively correlated with resistance to gut-invasion by Serratia marcescens, although there were significantly more deaths among pathogen fed germ-free insects than tri-associated gnotobiotes. The outcome is consistent with the predictions of community ecology theory that species-rich communities are more resistant to invasion than species-poor communities.

KW - colonization resistance

KW - diversity

KW - germ free

KW - locusts

KW - Schistocerca gregaria

KW - Serratia marcescens

KW - SALMONELLA-TYPHIMURIUM INFECTION

KW - SCHISTOCERCA-GREGARIA

KW - DESERT LOCUST

KW - PARASITE VIRULENCE

KW - METARHIZIUM-ANISOPLIAE

KW - MULTIPLE INFECTION

KW - LINKING DIVERSITY

KW - GNOTOBIOTIC MICE

KW - COMMUNITIES

KW - RESISTANCE

U2 - 10.1111/j.1461-0248.2005.00828.x

DO - 10.1111/j.1461-0248.2005.00828.x

M3 - Journal article

VL - 8

SP - 1291

EP - 1298

JO - Ecology Letters

JF - Ecology Letters

SN - 1461-023X

IS - 12

ER -

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