Evidence map›Paper›PMID 26608786›Full record

ArticleScientific reports2015

Diverse Roles of Axonemal Dyneins in Drosophila Auditory Neuron Function and Mechanical Amplification in Hearing.

Somdatta Karak, Julie S Jacobs, Maike Kittelmann, Christian Spalthoff, Radoslaw Katana, Elena Sivan-Loukianova, Michael A Schon, Maurice J Kernan, Daniel F Eberl, Martin C Göpfert

Open access · goldAbstract read
In one paragraph

Article in Scientific reports, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers.

0numbers the graph read from it
0cells of the map it votes in
30citing papers in PubMed
2.7field-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

30 citing papers in PubMed, 74 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

10 authors at 3 institutions in 2 countries.

Somdatta KarakDepartment of Cellular Neurobiology, University of Göttingen, 37077 Göttingen, Germany.
Julie S JacobsBiology Department, University of Iowa, Iowa City, IA 52242.
Maike KittelmannDepartment of Cellular Neurobiology, University of Göttingen, 37077 Göttingen, Germany.
Christian SpalthoffDepartment of Cellular Neurobiology, University of Göttingen, 37077 Göttingen, Germany.
Radoslaw KatanaDepartment of Cellular Neurobiology, University of Göttingen, 37077 Göttingen, Germany.
Elena Sivan-LoukianovaBiology Department, University of Iowa, Iowa City, IA 52242.
Michael A SchonBiology Department, University of Iowa, Iowa City, IA 52242.
Maurice J KernanDepartment of Neurobiology and Behavior and Center for Developmental Genetics, Stony Brook University, Stony Brook, NY 11794.
Daniel F EberlBiology Department, University of Iowa, Iowa City, IA 52242.
Martin C GöpfertDepartment of Cellular Neurobiology, University of Göttingen, 37077 Göttingen, Germany.
University of Göttingen · DEUniversity of Iowa · USStony Brook University · US

Funding

Tissue Culture CoreP30DC010362 · NIDCD · UNIVERSITY OF IOWA · PI GREEN, STEVEN H · 2010 to 2014
$2.0M
Alternate pore isoforms of a mechanotransducing ion channelR01DC011357 · NIDCD · STATE UNIVERSITY NEW YORK STONY BROOK · PI KERNAN, MAURICE J · 2011 to 2013
$561k
NIDCD NIH HHS DC011357NIDCD NIH HHS P30 DC010362NIDCD NIH HHS R01 DC011357
6 · The paper itself

Abstract

Much like vertebrate hair cells, the chordotonal sensory neurons that mediate hearing in Drosophila are motile and amplify the mechanical input of the ear. Because the neurons bear mechanosensory primary cilia whose microtubule axonemes display dynein arms, we hypothesized that their motility is powered by dyneins. Here, we describe two axonemal dynein proteins that are required for Drosophila auditory neuron function, localize to their primary cilia, and differently contribute to mechanical amplification in hearing. Promoter fusions revealed that the two axonemal dynein genes Dmdnah3 (=CG17150) and Dmdnai2 (=CG6053) are expressed in chordotonal neurons, including the auditory ones in the fly's ear. Null alleles of both dyneins equally abolished electrical auditory neuron responses, yet whereas mutations in Dmdnah3 facilitated mechanical amplification, amplification was abolished by mutations in Dmdnai2. Epistasis analysis revealed that Dmdnah3 acts downstream of Nan-Iav channels in controlling the amplificatory gain. Dmdnai2, in addition to being required for amplification, was essential for outer dynein arms in auditory neuron cilia. This establishes diverse roles of axonemal dyneins in Drosophila auditory neuron function and links auditory neuron motility to primary cilia and axonemal dyneins. Mutant defects in sperm competition suggest that both dyneins also function in sperm motility.

Indexed as

AnimalsAuditory PathwaysAxonemal DyneinsDrosophila melanogasterDrosophila ProteinsEarEpistasis, GeneticHearingMaleMutationNeuronsSpermatozoaTRPV Cation ChannelsAxonemal DyneinsDrosophila ProteinsTRPV Cation Channels

Identifiers

PMID26608786
PMCPMC4660584
OpenAlexW2464304580

What OpenQuestion holds

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LicenceCC BY
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.