Evidence map›Paper›PMID 25371339›Full record

ArticleLife (Basel, Switzerland)2013

Evolution of microbial "streamer" growths in an acidic, metal-contaminated stream draining an abandoned underground copper mine.

Catherine M Kay, Owen F Rowe, Laura Rocchetti, Kris Coupland, Kevin B Hallberg, D Barrie Johnson

Abstract read
In one paragraph

Article in Life (Basel, Switzerland), 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.

0numbers the graph read from it
0cells of the map it votes in
24citing 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

24 citing papers in PubMed.

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  18. Diversity of acidophilic prokaryotes at two acid mine drainage sites in Turkey.Environmental science and pollution research international · 2015
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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

6 authors.

Catherine M KayCollege of Natural Sciences, Bangor University, Deiniol Road, Bangor, LL57 2UW, UK. c.kay@bangor.ac.uk.
Owen F RoweDepartment of Ecology and Environmental Science, Umeå University, SE-901 87 Umeå, Sweden. owen.rowe@emg.umu.se.
Laura RocchettiDepartment of Life and Environmental Sciences, Università Politecnica delle Marche, Via Brecce Bianche, 60131 Ancona, Italy.
Kris CouplandCollege of Natural Sciences, Bangor University, Deiniol Road, Bangor, LL57 2UW, UK. kcoupland@hotmail.co.uk.
Kevin B HallbergCollege of Natural Sciences, Bangor University, Deiniol Road, Bangor, LL57 2UW, UK. kevinhallberg@sky.com.
D Barrie JohnsonCollege of Natural Sciences, Bangor University, Deiniol Road, Bangor, LL57 2UW, UK. d.b.johnson@bangor.ac.uk.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

A nine year study was carried out on the evolution of macroscopic "acid streamer" growths in acidic, metal-rich mine water from the point of construction of a new channel to drain an abandoned underground copper mine. The new channel became rapidly colonized by acidophilic bacteria: two species of autotrophic iron-oxidizers (Acidithiobacillus ferrivorans and "Ferrovum myxofaciens") and a heterotrophic iron-oxidizer (a novel genus/species with the proposed name "Acidithrix ferrooxidans"). The same bacteria dominated the acid streamer communities for the entire nine year period, with the autotrophic species accounting for ~80% of the micro-organisms in the streamer growths (as determined by terminal restriction enzyme fragment length polymorphism (T-RFLP) analysis). Biodiversity of the acid streamers became somewhat greater in time, and included species of heterotrophic acidophiles that reduce ferric iron (Acidiphilium, Acidobacterium, Acidocella and gammaproteobacterium WJ2) and other autotrophic iron-oxidizers (Acidithiobacillus ferrooxidans and Leptospirillum ferrooxidans). The diversity of archaea in the acid streamers was far more limited; relatively few clones were obtained, all of which were very distantly related to known species of euryarchaeotes. Some differences were apparent between the acid streamer community and planktonic-phase bacteria. This study has provided unique insights into the evolution of an extremophilic microbial community, and identified several novel species of acidophilic prokaryotes.

Identifiers

PMID25371339
PMCPMC4187193

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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.