Evidence map›Paper›PMID 27183005›Full record

ArticleeLife2016

Unipolar distributions of junctional Myosin II identify cell stripe boundaries that drive cell intercalation throughout Drosophila axis extension.

Robert J Tetley, Guy B Blanchard, Alexander G Fletcher, Richard J Adams, Bénédicte Sanson

Abstract read
In one paragraph

Article in eLife, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 64 papers.

0numbers the graph read from it
0cells of the map it votes in
64citing 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

64 citing papers in PubMed.

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4 more citing papers are in PubMed but not listed here.

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.

Robert J TetleyDepartment of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, United Kingdom.
Guy B BlanchardDepartment of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, United Kingdom.ORCID 0000-0002-3689-0522
Alexander G FletcherSchool of Mathematics and Statistics, University of Sheffield, Sheffield, United Kingdom.
Richard J AdamsDepartment of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, United Kingdom.
Bénédicte SansonDepartment of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, United Kingdom.ORCID 0000-0002-2782-4195

Funding

Biotechnology and Biological Sciences Research Council BB/J010278/1Wellcome TrustWellcome Trust 089614/Z/09/ZWellcome Trust 099234/Z/12/Z
6 · The paper itself

Abstract

Convergence and extension movements elongate tissues during development. Drosophila germ-band extension (GBE) is one example, which requires active cell rearrangements driven by Myosin II planar polarisation. Here, we develop novel computational methods to analyse the spatiotemporal dynamics of Myosin II during GBE, at the scale of the tissue. We show that initial Myosin II bipolar cell polarization gives way to unipolar enrichment at parasegmental boundaries and two further boundaries within each parasegment, concomitant with a doubling of cell number as the tissue elongates. These boundaries are the primary sites of cell intercalation, behaving as mechanical barriers and providing a mechanism for how cells remain ordered during GBE. Enrichment at parasegment boundaries during GBE is independent of Wingless signaling, suggesting pair-rule gene control. Our results are consistent with recent work showing that a combinatorial code of Toll-like receptors downstream of pair-rule genes contributes to Myosin II polarization via local cell-cell interactions. We propose an updated cell-cell interaction model for Myosin II polarization that we tested in a vertex-based simulation.

Indexed as

Gene Expression Regulation, DevelopmentalAnimalsCell CommunicationCell ProliferationComputer SimulationDrosophila melanogasterDrosophila ProteinsEmbryo, NonmammalianEpithelial CellsGAP-43 ProteinGenes, ReporterGerm CellsGreen Fluorescent ProteinsLuminescent ProteinsModels, BiologicalMorphogenesisDrosophila Proteinsenhanced green fluorescent proteinGAP-43 ProteinGreen Fluorescent ProteinsLuminescent ProteinsMyosin Type IIRed Fluorescent ProteinSqh protein, Drosophilawg protein, DrosophilaWnt1 Proteinactomyosincomputational biologydevelopmental biologyD. melanogasterepithelial cellsmorphogenesisstem cellssystems biology

Identifiers

PMID27183005
PMCPMC4915814

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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.