Evidence map›Paper›PMID 36257967›Full record

ArticleScientific reports2022

Agarose gel microcapsules enable easy-to-prepare, picolitre-scale, single-cell genomics, yielding high-coverage genome sequences.

Hiroyoshi Aoki, Yuki Masahiro, Michiru Shimizu, Yuichi Hongoh, Moriya Ohkuma, Yutaka Yamagata

Abstract read
In one paragraph

Article in Scientific reports, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.

0numbers the graph read from it
0cells of the map it votes in
5citing 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

5 citing papers in PubMed.

  1. Article
  2. Discovery and genomics of HISME communications · 2026
    Article
  3. scMicrobe PTA: Near Complete Genomes from Single Bacterial Cells.bioRxiv : the preprint server for biology · 2024
    Article
  4. Article
  5. 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

6 authors.

Hiroyoshi Aoki *Ultrahigh Precision Optics Technology Team, Advanced Photonics Technology Group, RIKEN Center for Advanced Photonics, 3-1, Hirosawa, Wako, Saitama, 351-0198, Japan. haoki@riken.jp.
Yuki Masahiro *Japan Collection of Microorganisms (JCM), RIKEN BioResource Research Center, 3-1-1, Koyadai, Tsukuba, Ibaraki, 305-0074, Japan.
Michiru ShimizuJapan Collection of Microorganisms (JCM), RIKEN BioResource Research Center, 3-1-1, Koyadai, Tsukuba, Ibaraki, 305-0074, Japan.
Yuichi Hongoh *Japan Collection of Microorganisms (JCM), RIKEN BioResource Research Center, 3-1-1, Koyadai, Tsukuba, Ibaraki, 305-0074, Japan.
Moriya Ohkuma *Japan Collection of Microorganisms (JCM), RIKEN BioResource Research Center, 3-1-1, Koyadai, Tsukuba, Ibaraki, 305-0074, Japan. mohkuma@riken.jp.
Yutaka Yamagata *Ultrahigh Precision Optics Technology Team, Advanced Photonics Technology Group, RIKEN Center for Advanced Photonics, 3-1, Hirosawa, Wako, Saitama, 351-0198, Japan.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

A novel type of agarose gel microcapsule (AGM), consisting of an alginate picolitre sol core and an agarose gel shell, was developed to obtain high-quality, single-cell, amplified genomic DNA of bacteria. The AGM is easy to prepare in a stable emulsion with oil of water-equivalent density, which prevents AGM aggregation, with only standard laboratory equipment. Single cells from a pure culture of Escherichia coli, a mock community comprising 15 strains of human gut bacteria, and a termite gut bacterial community were encapsulated within AGMs, and their genomic DNA samples were prepared with massively parallel amplifications in a tube. The genome sequencing did not need second-round amplification and showed an average genome completeness that was much higher than that obtained using a conventional amplification method on the microlitre scale, regardless of the genomic guanine-cytosine content. Our novel method using AGM will allow many researchers to perform single-cell genomics easily and effectively, and can accelerate genomic analysis of yet-uncultured microorganisms.

Indexed as

BacteriaGenomicsAlginatesCapsulesCytosineDNAEmulsionsGenome, BacterialGuanineHumansSepharoseWaterAlginatesCapsulesCytosineDNAEmulsionsGuanineSepharoseWater

Identifiers

PMID36257967
PMCPMC9579161

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.