Evidence map›Paper›PMID 26875588›Full record

ArticleMicrobial biotechnology2016

Assessment of the influence of intrinsic environmental and geographical factors on the bacterial ecology of pit latrines.

Belen Torondel, Jeroen H J Ensink, Ozan Gundogdu, Umer Zeeshan Ijaz, Julian Parkhill, Faraji Abdelahi, Viet-Anh Nguyen, Steven Sudgen, Walter Gibson, Alan W Walker and 1 more

Abstract read
In one paragraph

Article in Microbial biotechnology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers.

0numbers the graph read from it
0cells of the map it votes in
31citing 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

31 citing papers in PubMed.

  1. Article
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  18. Microbiota Supplementation withCell reports. Medicine · 2020
    Observational
  19. Article
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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

11 authors.

Belen TorondelEnvironmental Health Group, Department of Disease Control, London School of Hygiene and Tropical Medicine, Keppel Street, London, WC1E 7HT, UK.
Jeroen H J EnsinkEnvironmental Health Group, Department of Disease Control, London School of Hygiene and Tropical Medicine, Keppel Street, London, WC1E 7HT, UK.
Ozan GundogduPathogen Molecular Biology Department, Faculty of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, Keppel Street, London, WC1E 7HT, UK.
Umer Zeeshan IjazSchool of Engineering, University of Glasgow, Glasgow, G12 8LT, UK.
Julian ParkhillPathogen Genomics Group, Wellcome Trust Sanger Institute, Wellcome Trust Genome Campus, Hinxton, CB10 1SA, UK.
Faraji AbdelahiIfakara Health Institute, off Mlabani Passage, P.O. Box 53, Ifakara, Tanzania.
Viet-Anh NguyenHanoi University of Civil Engineering, 55 Giai Phong Road, Hanoi, Vietnam.
Steven SudgenEnvironmental Health Group, Department of Disease Control, London School of Hygiene and Tropical Medicine, Keppel Street, London, WC1E 7HT, UK.
Walter GibsonBear Valley Ventures, Braeside, Utkinton Lane, Cotebrook, Tarporley, Cheshire CW6 0JH, UK.
Alan W WalkerPathogen Genomics Group, Wellcome Trust Sanger Institute, Wellcome Trust Genome Campus, Hinxton, CB10 1SA, UK.ORCID http://orcid.org/0000-0001-5099-8495
Christopher QuinceSchool of Engineering, University of Glasgow, Glasgow, G12 8LT, UK.

Funding

Medical Research Council MR/L015080/1Medical Research Council MR/M50161X/1Wellcome Trust 098051
6 · The paper itself

Abstract

Improving the rate and extent of faecal decomposition in basic forms of sanitation such as pit latrines would benefit around 1.7 billion users worldwide, but to do so requires a major advance in our understanding of the biology of these systems. As a critical first step, bacterial diversity and composition was studied in 30 latrines in Tanzania and Vietnam using pyrosequencing of 16S rRNA genes, and correlated with a number of intrinsic environmental factors such as pH, temperature, organic matter content/composition and geographical factors. Clear differences were observed at the operational taxonomic unit, family and phylum level in terms of richness and community composition between latrines in Tanzania and Vietnam. The results also clearly show that environmental variables, particularly substrate type and availability, can exert a strong structuring influence on bacterial communities in latrines from both countries. The origins and significance of these environmental differences are discussed. This work describes the bacterial ecology of pit latrines in combination with inherent latrine characteristics at an unprecedented level of detail. As such, it provides useful baseline information for future studies that aim to understand the factors that affect decomposition rates in pit latrines.

Indexed as

BiotaEnvironmental MicrobiologyToilet FacilitiesBacteriaDNA, BacterialDNA, RibosomalEnvironmental ExposureFecesGeographyHydrogen-Ion ConcentrationOrganic ChemicalsRNA, Ribosomal, 16SSequence Analysis, DNATanzaniaTemperatureVietnamDNA, BacterialDNA, RibosomalOrganic ChemicalsRNA, Ribosomal, 16S

Identifiers

PMID26875588
PMCPMC4767293

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.