Evidence map›Paper›PMID 22343429›Full record

ArticleNature protocols2012

Preparation of megabase-sized DNA from a variety of organisms using the nuclei method for advanced genomics research.

Meiping Zhang, Yang Zhang, Chantel F Scheuring, Cheng-Cang Wu, Jennifer J Dong, Hong-Bin Zhang

Abstract read
PubMed Publisher
In one paragraph

Article in Nature protocols, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 82 papers.

0numbers the graph read from it
0cells of the map it votes in
82citing 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

82 citing papers in PubMed.

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  16. Algal research · 2024
    Article
  17. Article
  18. Article
  19. Article
  20. Article

22 more citing papers are in PubMed but not listed here.

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.

Meiping ZhangDepartment of Soil and Crop Sciences, Texas A&M University, College Station, Texas, USA.
Yang Zhang
Chantel F Scheuring
Cheng-Cang Wu
Jennifer J Dong
Hong-Bin Zhang

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Megabase-sized DNA is crucial to modern genomics research of all organisms. Among the preparation methods developed, the nuclei method is the simplest and most widely used for preparing high-quality megabase-sized DNA from divergent organisms. In this method, nuclei are first isolated by physically grinding the source tissues. The nontarget cytoplast organellar genomes and metabolites are removed by centrifugation and washing, thus maximizing the utility of the method and substantially improving the digestibility and clonability of the resultant DNA. The nuclei are then embedded in an agarose matrix containing numerous pores, allowing the access of restriction enzymes while preventing the DNA from physical shearing. DNA is extracted from the nuclei, purified and subsequently manipulated in the agarose matrix. Here we describe the nuclei method that we have successfully used to prepare high-quality megabase-sized DNA from hundreds of plant, animal, fish, insect, algal and microbial species. The entire protocol takes ∼3 d.

Indexed as

Cell NucleusDNAGenomicsSepharoseSpecimen HandlingDNASepharose

Identifiers

PMID22343429

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.