Evidence map›Paper›PMID 11076960›Full record

ArticleThe Journal of cell biology2000

Dynein is a transient kinetochore component whose binding is regulated by microtubule attachment, not tension.

J M King, T S Hays, R B Nicklas

Open access · bronzeAbstract read
In one paragraph

Article in The Journal of cell biology, 2000. 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
3.1field-weighted citation impact, top 9% 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, 115 citations in OpenAlex.

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  19. New insights into the mechanism for chromosome alignment in metaphase.International review of cell and molecular biology · 2013
    Review
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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

3 authors at 2 institutions in 1 country.

J M KingDepartment of Biology, Duke University, Durham, North Carolina 27708, USA.
T S Hays
R B Nicklas
Duke University · USUniversity of Minnesota · US

Funding

STRUCTURE AND FUNCTION OF CYTOPLASMIC DYNEINR01GM044757 · NIGMS · UNIVERSITY OF MINNESOTA TWIN CITIES · PI HAYS, THOMAS S · 1990 to 2022
$5.7M
ANALYSIS AND CONTROL OF CHROMOSOME MOVEMENTR37GM013745 · NIGMS · DUKE UNIVERSITY · PI NICKLAS, R. BRUCE · 2001 to 2005
$1.3M
Structure and Function of Cytoplasmic DyneinR56GM044757 · NIGMS · UNIVERSITY OF MINNESOTA · PI HAYS, THOMAS S · 2008 to 2008
$490k
ANALYSIS AND CONTROL OF CHROMOSOME MOVEMENTR01GM013745 · NIGMS · DUKE UNIVERSITY · PI NICKLAS, R. BRUCE · 1985 to 1999
–
NIGMS NIH HHS GM13745NIGMS NIH HHS GM44757NIGMS NIH HHS R01 GM013745NIGMS NIH HHS R01 GM044757NIGMS NIH HHS R37 GM013745NIGMS NIH HHS R56 GM044757
6 · The paper itself

Abstract

Cytoplasmic dynein is the only known kinetochore protein capable of driving chromosome movement toward spindle poles. In grasshopper spermatocytes, dynein immunofluorescence staining is bright at prometaphase kinetochores and dimmer at metaphase kinetochores. We have determined that these differences in staining intensity reflect differences in amounts of dynein associated with the kinetochore. Metaphase kinetochores regain bright dynein staining if they are detached from spindle microtubules by micromanipulation and kept detached for 10 min. We show that this increase in dynein staining is not caused by the retraction or unmasking of dynein upon detachment. Thus, dynein genuinely is a transient component of spermatocyte kinetochores. We further show that microtubule attachment, not tension, regulates dynein localization at kinetochores. Dynein binding is extremely sensitive to the presence of microtubules: fewer than half the normal number of kinetochore microtubules leads to the loss of most kinetochoric dynein. As a result, the bulk of the dynein leaves the kinetochore very early in mitosis, soon after the kinetochores begin to attach to microtubules. The possible functions of this dynein fraction are therefore limited to the initial attachment and movement of chromosomes and/or to a role in the mitotic checkpoint.

Indexed as

AnimalsCell CycleDyneinsGrasshoppersKinetochoresMaleMetaphaseMicrotubulesSpermatocytesStress, MechanicalDyneins

Identifiers

PMID11076960
PMCPMC2169441
OpenAlexW1996384335

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.