Evidence map›Paper›PMID 28234349›Full record

ArticleThe ISME journal2017

Genomic changes associated with the evolutionary transition of an insect gut symbiont into a blood-borne pathogen.

Francisca Hid Segers, Lucie Kešnerová, Michael Kosoy, Philipp Engel

Open access · bronzeAbstract read
In one paragraph

Article in The ISME journal, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 60 papers.

0numbers the graph read from it
0cells of the map it votes in
60citing papers in PubMed
9.3field-weighted citation impact, top 1% 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

60 citing papers in PubMed, 107 citations in OpenAlex.

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  14. Mapping the tRNA modification landscape ofFrontiers in microbiology · 2024
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  20. Genome Analysis of ST1Infection and drug resistance · 2023
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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

4 authors at 2 institutions in 3 countries.

Francisca Hid SegersDepartment of Fundamental Microbiology, University of Lausanne, Lausanne, Switzerland.
Lucie KešnerováDepartment of Fundamental Microbiology, University of Lausanne, Lausanne, Switzerland.
Michael KosoyCenters for Disease Control and Prevention, Division of Vector Borne Infectious Diseases, Fort Collins, CO, USA.
Philipp EngelDepartment of Fundamental Microbiology, University of Lausanne, Lausanne, Switzerland.
University of Lausanne · CHCenters for Disease Control and Prevention · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The genus Bartonella comprises facultative intracellular bacteria with a unique lifestyle. After transmission by blood-sucking arthropods they colonize the erythrocytes of mammalian hosts causing acute and chronic infectious diseases. Although the pathogen-host interaction is well understood, little is known about the evolutionary origin of the infection strategy manifested by Bartonella species. Here we analyzed six genomes of Bartonella apis, a honey bee gut symbiont that to date represents the closest relative of pathogenic Bartonella species. Comparative genomics revealed that B. apis encodes a large set of vertically inherited genes for amino acid and cofactor biosynthesis and nitrogen metabolism. Most pathogenic bartonellae have lost these ancestral functions, but acquired specific virulence factors and expanded a vertically inherited gene family for harvesting cofactors from the blood. However, the deeply rooted pathogen Bartonella tamiae has retained many of the ancestral genome characteristics reflecting an evolutionary intermediate state toward a host-restricted intraerythrocytic lifestyle. Our findings suggest that the ancestor of the pathogen Bartonella was a gut symbiont of insects and that the adaptation to blood-feeding insects facilitated colonization of the mammalian bloodstream. This study highlights the importance of comparative genomics among pathogens and non-pathogenic relatives to understand disease emergence within an evolutionary-ecological framework.

Indexed as

Evolution, MolecularGenome, BacterialAnimalsBartonellaBeesBlood-Borne PathogensGastrointestinal TractGenomicsInsectaSymbiosisVirulence FactorsVirulence Factors

Identifiers

PMID28234349
PMCPMC5437933
OpenAlexW2590425807

What OpenQuestion holds

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LicenceCC BY-NC-ND
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.