Evidence map›Paper›PMID 30446824›Full record

ArticleDevelopment genes and evolution2019

Early development of the feeding larva of the sea urchin Heliocidaris tuberculata: role of the small micromeres.

Valerie B Morris, Eleanor Kable, Demian Koop, Paula Cisternas, Maria Byrne

Abstract read
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In one paragraph

Article in Development genes and evolution, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.

0numbers the graph read from it
0cells of the map it votes in
5citing papers in PubMed
0.2field-weighted citation impact, top 40% 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

5 citing papers in PubMed, 5 citations in OpenAlex.

  1. Article
  2. Article
  3. Review
  4. Article
  5. Article
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 at 1 institution in 1 country.

Valerie B MorrisSchool of Life and Environmental Sciences A12, University of Sydney, NSW, 2006, Australia. valm@usyd.edu.au.
Eleanor KableAustralian Centre for Microscopy and Microanalysis F09, University of Sydney, NSW, 2006, Australia.
Demian KoopSchool of Medical Sciences F13, University of Sydney, NSW, 2006, Australia.
Paula CisternasSchool of Medical Sciences F13, University of Sydney, NSW, 2006, Australia.
Maria ByrneSchool of Medical Sciences F13 and School of Life and Environmental Sciences A11, University of Sydney, NSW, 2006, Australia.
University of Sydney · AU

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The two modes of development in sea urchins are direct development, in which the adult develops directly from the gastrula to the adult and does not feed, and indirect development, in which the adult develops indirectly through a feeding larva. In this account of the indirect, feeding larva of Heliocidaris tuberculata, the question raised is whether an evolutionary difference of unequal cell divisions contributes to the development of feeding structures in the indirect larva. In indirect development, the cell divisions at the fourth and fifth cell cycles of the zygote are unequal, with four small micromeres formed at the vegetal pole at the fifth cell division. In direct development, these cell divisions are not unequal. From their position at the head of the archenteron, the small micromeres are strategically located to contribute to the feeding tissues of the larva and the adult of H. tuberculata.

Indexed as

Cell DivisionGastrulationAnimalsLarvaSea UrchinsZygoteDevelopmentEchinodermEchinoideaEvolutionLecithotrophMorphogenesisPlanktotrophSmall micromeres

Identifiers

PMID30446824
OpenAlexW2901089040

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.