Evidence map›Paper›PMID 26443634›Full record

ArticleDevelopment (Cambridge, England)2015

Regulation of Nematostella neural progenitors by SoxB, Notch and bHLH genes.

Gemma Sian Richards, Fabian Rentzsch

Abstract read
In one paragraph

Article in Development (Cambridge, England), 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 56 papers.

0numbers the graph read from it
0cells of the map it votes in
56citing 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

56 citing papers in PubMed.

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  9. Decoding cnidarian cell type gene regulation.Nature ecology & evolution · 2026
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  20. A noveliScience · 2024
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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

2 authors.

Gemma Sian RichardsSars Centre for Marine Molecular Biology, University of Bergen, Thormøhlensgate 55, Bergen N-5008, Norway gsrichards18@gmail.com fabian.rentzsch@sars.uib.no.
Fabian RentzschSars Centre for Marine Molecular Biology, University of Bergen, Thormøhlensgate 55, Bergen N-5008, Norway gsrichards18@gmail.com fabian.rentzsch@sars.uib.no.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Notch signalling, SoxB and Group A bHLH 'proneural' genes are conserved regulators of the neurogenic program in many bilaterians. However, the ancestry of their functions and interactions is not well understood. We address this question in the sea anemone Nematostella vectensis, a representative of the Cnidaria, the sister clade to the Bilateria. It has previously been found that the SoxB orthologue NvSoxB(2) is expressed in neural progenitor cells (NPCs) in Nematostella and promotes the development of both neurons and nematocytes, whereas Notch signalling has been implicated in the negative regulation of neurons and the positive regulation of nematocytes. Here, we clarify the role of Notch by reporting that inhibition of Notch signalling increases the numbers of both neurons and nematocytes, as well as increasing the number of NvSoxB(2)-expressing cells. This suggests that Notch restricts neurogenesis by limiting the generation of NPCs. We then characterise NvAth-like (Atonal/Neurogenin family) as a positive regulator of neurogenesis that is co-expressed with NvSoxB(2) in a subset of dividing NPCs, while we find that NvAshA (Achaete-scute family) and NvSoxB(2) are co-expressed in non-dividing cells only. Reciprocal knockdown experiments reveal a mutual requirement for NvSoxB(2) and NvAth-like in neural differentiation; however, the primary expression of each gene is independent of the other. Together, these data demonstrate that Notch signalling and NvSoxB(2) regulate Nematostella neural progenitors via parallel yet interacting mechanisms; with different aspects of these interactions being shared with Drosophila and/or vertebrate neurogenesis.

Indexed as

AnimalsAnimals, Genetically ModifiedBasic Helix-Loop-Helix ProteinsCell Culture TechniquesGene Knockdown TechniquesImmunohistochemistryIn Situ Hybridization, FluorescenceNeural Stem CellsNeurogenesisReceptors, NotchReverse Transcriptase Polymerase Chain ReactionSea AnemonesSignal TransductionSOXB2 Transcription FactorsBasic Helix-Loop-Helix ProteinsReceptors, NotchSOXB2 Transcription FactorsCnidariaDAPTNeurogenesisProneural genes

Identifiers

PMID26443634
PMCPMC4631755

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Registered trials

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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.