Evidence map›Paper›PMID 14668489›Full record

ArticleMolecular biology of the cell2004

gamma-tubulin plays an essential role in the coordination of mitotic events.

Natalie L Prigozhina, C Elizabeth Oakley, Amanda M Lewis, Tania Nayak, Stephen A Osmani, Berl R Oakley

Open access · greenAbstract read
In one paragraph

Article in Molecular biology of the cell, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers.

0numbers the graph read from it
0cells of the map it votes in
29citing papers in PubMed
2.6field-weighted citation impact, top 11% 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

29 citing papers in PubMed, 59 citations in OpenAlex.

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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

6 authors at 1 institution in 1 country.

Natalie L PrigozhinaDepartment of Molecular Genetics, The Ohio State University, Columbus, Ohio 43210, USA.
C Elizabeth Oakley
Amanda M Lewis
Tania Nayak
Stephen A Osmani
Berl R Oakley
The Ohio State University · US

Funding

The role of the NIMA kinase in mitotic regulationR01GM042564 · NIGMS · WEIS CENTER FOR RESEARCH-GEISINGER CLINC · PI OSMANI, STEPHEN A · 1989 to 2013
$4.3M
THE MOLECULAR BIOLOGY OF ORGNELLAR TRANSLOCATIONR01GM031837 · NIGMS · UNIVERSITY OF KANSAS LAWRENCE · PI OAKLEY, BERL RAY · 1985 to 2009
$2.9M
NIGMS NIH HHS GM-31837NIGMS NIH HHS GM-42564NIGMS NIH HHS R01 GM031837NIGMS NIH HHS R01 GM042564
6 · The paper itself

Abstract

Recent data from multiple organisms indicate that gamma-tubulin has essential, but incompletely defined, functions in addition to nucleating microtubule assembly. To investigate these functions, we examined the phenotype of mipAD159, a cold-sensitive allele of the gamma-tubulin gene of Aspergillus nidulans. Immunofluorescence microscopy of synchronized material revealed that at a restrictive temperature mipAD159 does not inhibit mitotic spindle formation. Anaphase A was inhibited in many nuclei, however, and after a slight delay in mitosis (approximately 6% of the cell cycle period), most nuclei reentered interphase without dividing. In vivo observations of chromosomes at a restrictive temperature revealed that mipAD159 caused a failure of the coordination of late mitotic events (anaphase A, anaphase B, and chromosomal disjunction) and nuclei reentered interphase quickly even though mitosis was not completed successfully. Time-lapse microscopy also revealed that transient mitotic spindle abnormalities, in particular bent spindles, were more prevalent in mipAD159 strains than in controls. In experiments in which microtubules were depolymerized with benomyl, mipAD159 nuclei exited mitosis significantly more quickly (as judged by chromosomal condensation) than nuclei in a control strain. These data reveal that gamma-tubulin has an essential role in the coordination of late mitotic events, and a microtubule-independent function in mitotic checkpoint control.

Indexed as

Aspergillus nidulansCell CycleCell NucleusMicroscopy, FluorescenceMicrotubulesMutationSpindle ApparatusTubulinTubulin

Identifiers

PMID14668489
PMCPMC363147
OpenAlexW1991316369

What OpenQuestion holds

Textmetadata
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.