Evidence map›Paper›PMID 16888344›Full record

ArticleGenetics2006

Genetic variation in Drosophila melanogaster resistance to infection: a comparison across bacteria.

Brian P Lazzaro, Timothy B Sackton, Andrew G Clark

Open access · bronzeAbstract readComparative Study
In one paragraph

Article in Genetics, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 72 papers.

0numbers the graph read from it
0cells of the map it votes in
72citing papers in PubMed
3.0field-weighted citation impact, top 8% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

72 citing papers in PubMed, 156 citations in OpenAlex.

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  18. mSphere · 2021
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12 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

3 authors at 1 institution in 1 country.

Brian P LazzaroDepartment of Entomology, Field of Ecology and Evolutionary Biology, Cornell University, Ithaca, New York 14853, USA. bl89@cornell.edu
Timothy B Sackton
Andrew G Clark
Cornell University · US

Funding

Functional /Comparative Genomic of Drosophila immunityR01AI064950 · NIAID · CORNELL UNIVERSITY ITHACA · PI CLARK, ANDREW G, LAZZARO, BRIAN · 2005 to 2016
$3.7M
POLYMORPHISM/DIVERGENCE IN DROSOPHILA PATHOGEN DEFENSESR01AI046402 · NIAID · PENNSYLVANIA STATE UNIVERSITY-UNIV PARK · PI CLARK, ANDREW G · 2000 to 2002
$578k
NIAID NIH HHS AI064950NIAID NIH HHS AI46402NIAID NIH HHS R01 AI046402NIAID NIH HHS R01 AI064950
6 · The paper itself

Abstract

Insects use a generalized immune response to combat bacterial infection. We have previously noted that natural populations of D. melanogaster harbor substantial genetic variation for antibacterial immunocompetence and that much of this variation can be mapped to genes that are known to play direct roles in immunity. It was not known, however, whether the phenotypic effects of variation in these genes are general across the range of potentially infectious bacteria. To address this question, we have reinfected the same set of D. melanogaster lines with Serratia marcescens, the bacterium used in the previous study, and with three additional bacteria that were isolated from the hemolymph of wild-caught D. melanogaster. Two of the new bacteria, Enterococcus faecalis and Lactococcus lactis, are gram positive. The third, Providencia burhodogranaria, is gram negative like S. marcescens. Drosophila genotypes vary highly significantly in bacterial load sustained after infection with each of the four bacteria, but mean loads are largely uncorrelated across bacteria. We have tested statistical associations between immunity phenotypes and nucleotide polymorphism in 21 candidate immunity genes. We find that molecular variation in some genes, such as Tehao, contributes to phenotypic variation in the suppression of only a subset of the pathogens. Variation in SR-CII and 18-wheeler, however, has effects that are more general. Although markers in SR-CII and 18-wheeler explain >20% of the phenotypic variation in resistance to L. lactis and E. faecalis, respectively, most of the molecular polymorphisms tested explain <10% of the total variance in bacterial load sustained after infection.

Indexed as

Genetic VariationAnimalsBacteriaBacterial InfectionsDrosophila melanogasterEnterococcus faecalisEpistasis, GeneticGenes, InsectGenetic MarkersHaplotypesHemolymphImmunity, InnateImmunocompetenceLactococcus lactisPolymorphism, Single NucleotideProvidenciaGenetic Markers

Identifiers

PMID16888344
PMCPMC1667071
OpenAlexW2139275542

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.