Evidence map›Paper›PMID 12750341›Full record

ArticleGenetics2003

Cloning and characterization of maize B chromosome sequences derived from microdissection.

Ya-Ming Cheng, Bor-Yaw Lin

Abstract read
In one paragraph

Article in Genetics, 2003. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers.

0numbers the graph read from it
0cells of the map it votes in
32citing 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

32 citing papers in PubMed.

  1. Cytogenetic analysis and physical mapping of maize B chromosome deficiencies induced by the r-X1 deletion.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2026
    Article
  2. Identification of cDNA-AFLP fragments associated with the B chromosome from different developmental stages of maize anthers.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2025
    Article
  3. The r-X1 deletion induces terminal deficiencies in the maize B chromosome.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2021
    Article
  4. Article
  5. B Chromosomes in GenusPlants (Basel, Switzerland) · 2021
    Review
  6. The maize B chromosome is capable of expressing microRNAs and altering the expression of microRNAs derived from A chromosomes.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2020
    Article
  7. Article
  8. Review
  9. Article
  10. Review
  11. Review
  12. Review
  13. Article
  14. Cytomolecular characterization and origin of de novo formed maize B chromosome variants.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2016
    Article
  15. Article
  16. Intragenomic distribution of RTE retroelements suggests intrachromosomal movement.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2015
    Article
  17. Article
  18. Article
  19. 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

2 authors.

Ya-Ming ChengInstitute of Molecular Biology, National Chung Hsing University, Taichung 402, Taiwan, Republic of China.
Bor-Yaw Lin

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Isolation of sequences from the maize B chromosome is always hampered by its high homology with the normal complements. In this study, this handicap was overcome by cloning the sequences from the pachytene B chromosomes dissected out of a slide by a micromanipulator followed by degenerate oligonucleotide-primed PCR. The isolated sequences were found to hybridize with genomic DNA in a B-dosage-dependent manner and with the pachytene B chromosome by fluorescence in situ hybridization (FISH), corroborating their B origin. A total of 19 B sequences were isolated, all of which are repetitive and, with one exception, are homologous to the A chromosome(s). Three sequences have strong homology to maize sequences that include two knob repeats and one zein gene (noncoding region), and 10 others are homologous to the noncoding region of Adh1, Bz1, Gag, Zein, and B centromere to a lesser degree. Six sequences have no homology to any gene. In addition to FISH, the B-specific sequence and a partially B-specific one were also mapped, by seven newly characterized TB-10L translocations, to a similar location on the central portion of the distal heterochromatic region, spreading over a region of about one-third of the B chromosome.

Indexed as

ChromosomesMicrodissectionSequence Analysis, DNABlotting, SouthernIn Situ Hybridization, FluorescenceMolecular Sequence DataTranslocation, GeneticZea mays

Identifiers

PMID12750341
PMCPMC1462555

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.