Evidence map›Paper›PMID 28419279›Full record

ArticleMolecular biology and evolution2017

Primates, Lice and Bacteria: Speciation and Genome Evolution in the Symbionts of Hominid Lice.

Bret M Boyd, Julie M Allen, Nam-Phuong Nguyen, Pranjal Vachaspati, Zachary S Quicksall, Tandy Warnow, Lawrence Mugisha, Kevin P Johnson, David L Reed

Open access · hybridAbstract read
In one paragraph

Article in Molecular biology and evolution, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers.

0numbers the graph read from it
0cells of the map it votes in
30citing papers in PubMed
6.0field-weighted citation impact, top 4% 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

30 citing papers in PubMed, 69 citations in OpenAlex.

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  6. Microbiota in disease-transmitting vectors.Nature reviews. Microbiology · 2023
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  8. Genome analysis of "Frontiers in microbiology · 2023
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  10. Article
  11. Review
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  15. Article
  16. Frontiers in microbiology · 2022
    Article
  17. Endosymbiotic bacteria of the boar louseFrontiers in microbiology · 2022
    Article
  18. Article
  19. Article
  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

9 authors at 5 institutions in 2 countries.

Bret M BoydDepartment of Entomology, University of Georgia Athens, Athens, GA.
Julie M AllenIllinois Natural History Survey, Prairie Research Institute, University of Illinois Urbana-Champaign, Champaign, IL.
Nam-Phuong NguyenDepartment of Computer Science and Engineering, University of California San Diego, La Jolla, CA.
Pranjal VachaspatiDepartment of Computer Science and Department of Bioengineering, University of Illinois Urbana-Champaign, Champaign, IL.
Zachary S QuicksallFlorida Museum of Natural History, University of Florida, Gainesville, FL.
Tandy WarnowDepartment of Computer Science and Department of Bioengineering, University of Illinois Urbana-Champaign, Champaign, IL.
Lawrence MugishaConservation & Ecosystem Health Alliance (CEHA), Kampala, Uganda.
Kevin P JohnsonIllinois Natural History Survey, Prairie Research Institute, University of Illinois Urbana-Champaign, Champaign, IL.
David L ReedFlorida Museum of Natural History, University of Florida, Gainesville, FL.
University of Illinois Urbana-Champaign · USFlorida Museum of Natural History · USMakerere University · UGUniversity of California, San Diego · USUniversity of Florida · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Insects with restricted diets rely on symbiotic bacteria to provide essential metabolites missing in their diet. The blood-sucking lice are obligate, host-specific parasites of mammals and are themselves host to symbiotic bacteria. In human lice, these bacterial symbionts supply the lice with B-vitamins. Here, we sequenced the genomes of symbiotic and heritable bacterial of human, chimpanzee, gorilla, and monkey lice and used phylogenomics to investigate their evolutionary relationships. We find that these symbionts have a phylogenetic history reflecting the louse phylogeny, a finding contrary to previous reports of symbiont replacement. Examination of the highly reduced symbiont genomes (0.53-0.57 Mb) reveals much of the genomes are dedicated to vitamin synthesis. This is unchanged in the smallest symbiont genome and one that appears to have been reorganized. Specifically, symbionts from human lice, chimpanzee lice, and gorilla lice carry a small plasmid that encodes synthesis of vitamin B5, a vitamin critical to the bacteria-louse symbiosis. This plasmid is absent in an old world monkey louse symbiont, where this pathway is on its primary chromosome. This suggests the unique genomic configuration brought about by the plasmid is not essential for symbiosis, but once obtained, it has persisted for up to 25 My. We also find evidence that human, chimpanzee, and gorilla louse endosymbionts have lost a pathway for synthesis of vitamin B1, whereas the monkey louse symbiont has retained this pathway. It is unclear whether these changes are adaptive, but they may point to evolutionary responses of louse symbionts to shifts in primate biology.

Indexed as

AnimalsAnopluraBacteriaBiological EvolutionEvolution, MolecularGenome, BacterialGenomicsHominidaeHumansPan troglodytesPediculusPhylogenyPlasmidsPrimatesSequence Analysis, DNASymbiosisAnopluraCa. Riesiaendosymbiont replacementpantothenateplasmidthiamin

Identifiers

PMID28419279
PMCPMC5455983
OpenAlexW2605379810

What OpenQuestion holds

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LicenceCC BY-NC
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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.