Evidence map›Paper›PMID 23145767›Full record

ArticleBMC genomics2012

Comparative genomics of bacteria in the genus Providencia isolated from wild Drosophila melanogaster.

Madeline R Galac, Brian P Lazzaro

Abstract readComparative Study
In one paragraph

Article in BMC genomics, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.

0numbers the graph read from it
0cells of the map it votes in
28citing papers in PubMed
–field-weighted citation impact
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

28 citing papers in PubMed.

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  11. Occurrence ofAntibiotics (Basel, Switzerland) · 2022
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  13. Identification of an indole biodegradation gene cluster fromFrontiers in bioengineering and biotechnology · 2022
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  17. Article
  18. Article
  19. Review
  20. Article
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

2 authors.

Madeline R GalacField of Genetics and Development, 3125 Comstock Hall, Cornell University, Ithaca, NY 14853, USA.
Brian P Lazzaro

Funding

Genetic Network Linking Immunity to Energetic Stress, Metabolism and ReproductionR01AI083932 · NIAID · CORNELL UNIVERSITY · PI LAZZARO, BRIAN · 2009 to 2015
$2.6M
NIAID NIH HHS AI083932NIAID NIH HHS R01 AI083932
6 · The paper itself

Abstract

backgroundComparative genomics can be an initial step in finding the genetic basis for phenotypic differences among bacterial strains and species. Bacteria belonging to the genus Providencia have been isolated from numerous and varied environments. We sequenced, annotated and compared draft genomes of P. rettgeri, P. sneebia, P. alcalifaciens, and P. burhodogranariea. These bacterial species that were all originally isolated as infections of wild Drosophila melanogaster and have been previously shown to vary in virulence to experimentally infected flies.

resultsWe found that these Providencia species share a large core genome, but also possess distinct sets of genes that are unique to each isolate. We compared the genomes of these isolates to draft genomes of four Providencia isolated from the human gut and found that the core genome size does not substantially change upon inclusion of the human isolates. We found many adhesion related genes among those genes that were unique to each genome. We also found that each isolate has at least one type 3 secretion system (T3SS), a known virulence factor, though not all identified T3SS belong to the same family nor are they in syntenic genomic locations.

conclusionsThe Providencia species examined here are characterized by high degree of genomic similarity which will likely extend to other species and isolates within this genus. The presence of T3SS islands in all of the genomes reveal that their presence is not sufficient to indicate virulence towards D. melanogaster, since some of the T3SS-bearing isolates are known to cause little mortality. The variation in adhesion genes and the presence of T3SSs indicates that host cell adhesion is likely an important aspect of Providencia virulence.

Indexed as

AnimalsBase SequenceChromosome MappingCluster AnalysisDrosophila melanogasterGenome, BacterialMolecular Sequence AnnotationMolecular Sequence DataPolymerase Chain ReactionProvidenciaSequence Analysis, DNASpecies SpecificitySynteny

Identifiers

PMID23145767
PMCPMC3542290

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Registered trials

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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.