Evidence map›Paper›PMID 32845939›Full record

ArticlePloS one2020

Sexual reproduction of the snow alga Chloromonas fukushimae (Volvocales, Chlorophyceae) induced using cultured materials.

Ryo Matsuzaki, Masanobu Kawachi, Hisayoshi Nozaki, Seiichi Nohara, Iwane Suzuki

Abstract read
In one paragraph

Article in PloS one, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing 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

3 citing papers in PubMed.

  1. Article
  2. Article
  3. Cysts of the Snow AlgaFrontiers in plant science · 2020
    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

5 authors.

Ryo MatsuzakiFaculty of Life and Environmental Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan.ORCID 0000-0002-8989-5933
Masanobu KawachiCenter for Environmental Biology and Ecosystem Studies, National Institute for Environmental Studies, Tsukuba, Ibaraki, Japan.
Hisayoshi NozakiDepartment of Biological Sciences, Graduate School of Sciences, University of Tokyo, Bunkyo-ku, Tokyo, Japan.
Seiichi NoharaCenter for Environmental Biology and Ecosystem Studies, National Institute for Environmental Studies, Tsukuba, Ibaraki, Japan.
Iwane SuzukiFaculty of Life and Environmental Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Snow algae are microalgae, growing in melting snowpacks, and are thought to act as primary producers in the snow ecosystem. Chloromonas (Volvocales, Chlorophyceae) contains more than 15 snow-inhabiting species. Although vegetative cells and zygotes, or asexual cysts, of snow species of the genus are frequently collected in the field, sexual reproduction and zygote formation in culture have only been induced in C. tughillensis. Here we describe the sexual reproduction of another snow-inhabiting species, C. fukushimae, which was induced using both previously examined and newly established Japanese strains. Mating of isogamous gametes began after mixing two different strains, implying that C. fukushimae is an outcrossing species. Motile and nonmotile zygotes of the species were also described in this report. The nonmotile zygote of C. fukushimae was distinguishable from those of the other snow-inhabiting species of Chloromonas, based on the zygote shape and the presence of several large lipid bodies within the cell. In addition, C. fukushimae carried out sexual reproduction and produced zygotes even under the nitrogen-sufficient condition.

Indexed as

ChlorophyceaeEcosystemJapanPhylogenyReproductionSnowZygote

Identifiers

PMID32845939
PMCPMC7449499

What OpenQuestion holds

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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.