Evidence map›Paper›PMID 36217817›Full record

ArticleeLife2022

Novel multicellular prokaryote discovered next to an underground stream.

Kouhei Mizuno, Mais Maree, Toshihiko Nagamura, Akihiro Koga, Satoru Hirayama, Soichi Furukawa, Kenji Tanaka, Kazuya Morikawa

Abstract read
In one paragraph

Article in eLife, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.

0numbers the graph read from it
0cells of the map it votes in
9citing 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

9 citing papers in PubMed.

  1. Review
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  8. Cell arrangement impacts metabolic activity and antibiotic tolerance inbioRxiv : the preprint server for biology · 2023
    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

8 authors.

Kouhei MizunoDivision of International Affairs, Headquaters, National Institute of Technology, Tokyo, Japan.ORCID 0000-0002-2070-8669
Mais MareeDoctoral Program in Biomedical Sciences, Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tsukuba, Japan.
Toshihiko NagamuraDepartment of Creative Engineering, National Institute of Technology, Kitakyushu, Japan.
Akihiro KogaDepartment of Creative Engineering, National Institute of Technology, Kitakyushu, Japan.
Satoru HirayamaDepartment of Food Bioscience and Biotechnology, College of Bioresource Sciences, Nihon University, Fujisawa, Japan.ORCID 0000-0003-0965-8733
Soichi FurukawaDepartment of Food Bioscience and Biotechnology, College of Bioresource Sciences, Nihon University, Fujisawa, Japan.
Kenji TanakaDepartment of Biological and Environmental Chemistry, School of Humanity-Oriented Science and Engineering, Kindai University, Iizuka, Japan.
Kazuya MorikawaDivision of Biomedical Science, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan.ORCID 0000-0002-1503-7151

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

A diversity of prokaryotes currently exhibit multicellularity with different generation mechanisms in a variety of contexts of ecology on Earth. In the present study, we report a new type of multicellular bacterium, HS-3, isolated from an underground stream. HS-3 self-organizes its filamentous cells into a layer-structured colony with the properties of a nematic liquid crystal. After maturation, the colony starts to form a semi-closed sphere accommodating clusters of coccobacillus daughter cells and selectively releases them upon contact with water. This is the first report that shows that a liquid-crystal status of cells can support the prokaryotic multicellular behavior. Importantly, the observed behavior of HS-3 suggests that the recurrent intermittent exposure of colonies to water flow in the cave might have been the ecological context that cultivated the evolutionary transition from unicellular to multicellular life. This is the new extant model that underpins theories regarding a role of ecological context in the emergence of multicellularity.

Indexed as

Biological EvolutionGroundwaterPralidoxime CompoundsWaterHS 3Pralidoxime CompoundsWatercompetition-dispersal trade-offecological scaffoldingevolutionevolutionary biologylimestone caveorigin of multicellularitytwo-dimensional nematic liquid crystal

Identifiers

PMID36217817
PMCPMC9555858

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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.