Evidence map›Paper›PMID 9362502›Full record

ArticleThe Journal of cell biology1997

Neocentromere-mediated chromosome movement in maize.

H G Yu, E N Hiatt, A Chan, M Sweeney, R K Dawe

Open access · bronzeAbstract read
In one paragraph

Article in The Journal of cell biology, 1997. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 60 papers.

0numbers the graph read from it
0cells of the map it votes in
60citing papers in PubMed
2.7field-weighted citation impact, top 10% of its field
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

60 citing papers in PubMed, 123 citations in OpenAlex.

  1. Review
  2. Remarkable chromosomes and karyotypes: A top 10 list.Molecular biology of the cell · 2024
    Review
  3. Article
  4. Article
  5. Non-B-form DNA tends to form in centromeric regions and has undergone changes in polyploid oat subgenomes.Proceedings of the National Academy of Sciences of the United States of America · 2023
    Article
  6. The maize abnormal chromosome 10 meiotic drive haplotype: a review.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2022
    Review
  7. Article
  8. Review
  9. Review
  10. Mechanisms of meiotic drive in symmetric and asymmetric meiosis.Cellular and molecular life sciences : CMLS · 2021
    Review
  11. Review
  12. Review
  13. Article
  14. Article
  15. Review
  16. Article
  17. Review
  18. Cellular and Molecular Mechanisms of Centromere Drive.Cold Spring Harbor symposia on quantitative biology · 2017
    Article
  19. Article
  20. 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 at 2 institutions in 1 country.

H G YuDepartment of Botany, University of Georgia, Athens, Georgia 30602, USA.
E N Hiatt
A Chan
M Sweeney
R K Dawe
University of California, Berkeley · USUniversity of Georgia · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Neocentromere activity is a classic example of nonkinetochore chromosome movement. In maize, neocentromeres are induced by a gene or genes on Abnormal chromosome 10 (Ab10) which causes heterochromatic knobs to move poleward at meiotic anaphase. Here we describe experiments that test how neocentromere activity affects the function of linked centromere/kinetochores (kinetochores) and whether neocentromeres and kinetochores are mobilized on the spindle by the same mechanism. Using a newly developed system for observing meiotic chromosome congression and segregation in living maize cells, we show that neocentromeres are active from prometaphase through anaphase. During mid-anaphase, normal chromosomes move on the spindle at an average rate of 0.79 micron/min. The presence of Ab10 does not affect the rate of normal chromosome movement but propels neocentromeres poleward at rates as high as 1.4 micron/min. Kinetochore-mediated chromosome movement is only marginally affected by the activity of a linked neocentromere. Combined in situ hybridization/immunocytochemistry is used to demonstrate that unlike kinetochores, neocentromeres associate laterally with microtubules and that neocentromere movement is correlated with knob size. These data suggest that microtubule depolymerization is not required for neocentromere motility. We argue that neocentromeres are mobilized on microtubules by the activity of minus end-directed motor proteins that interact either directly or indirectly with knob DNA sequences.

Indexed as

MeiosisAnaphaseCentromereChromosomesKinetochoresMicrotubulesSpindle ApparatusZea mays

Identifiers

PMID9362502
PMCPMC2139958
OpenAlexW2076264335

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-SA
Read underepoch 390

Registered trials

None linked

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.