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JOURNAL ARTICLES
Teleost epiboly: a reassessment of deep cell movement in the germ ring
A. Wood, L.P.M. Timmermans
Development 1988 102: 575-585;
A. Wood
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L.P.M. Timmermans
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Summary

Using the prominent cell nucleus as an intrinsic marker, individual deep cell blastomeres have been monitored in vivo using Nomarski differential interference contrast microscopy during spreading of the teleost blastoderm. Involution of these cells has been recorded during early to mid stages of epiboly about an apparent point of shear located centrally within the germ ring. This involuting movement involves superficial deep cells, adjacent to the enveloping layer, as well as those located more centrally within the germ ring and is associated with a continuous vegetal displacement of the outer strata of deep cell blastomeres towards the edge of the blastodisc. During the early stages of epiboly this process is qualitatively similar at any location around the entire circumferential margin of the blastodisc. Postinvoluting deep cells are found close to the yolk syncytial layer, are surrounded by considerable intercellular space and illustrate less directional displacement. In contrast to the deep cell layer, the enveloping layer was never observed to invaginate. These results contradict the current view that no involution or global rearrangement of deep cells occurs during teleost gastrulation and present the first direct evidence of involution within the deep cell population during early epiboly.

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JOURNAL ARTICLES
Teleost epiboly: a reassessment of deep cell movement in the germ ring
A. Wood, L.P.M. Timmermans
Development 1988 102: 575-585;
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JOURNAL ARTICLES
Teleost epiboly: a reassessment of deep cell movement in the germ ring
A. Wood, L.P.M. Timmermans
Development 1988 102: 575-585;

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An interview with Swathi Arur

Swathi Arur joined the team at Development as an Academic Editor in 2020. Her lab uses multidisciplinary approaches to understand female germline development and fertility. We met with her over Zoom to hear more about her life, her career and her love for C. elegans.


Jim Wells and Hanna Mikkola join our team of Editors

We are pleased to welcome James (Jim) Wells and Hanna Mikkola to our team of Editors. Jim joins us a new Academic Editor, taking over from Gordan Keller, and Hanna joins our team of Associate Editors. Find out more about their research interests and areas of expertise.


New funding scheme supports sustainable events

As part of our Sustainable Conferencing Initiative, we are pleased to announce funding for organisers that seek to reduce the environmental footprint of their event. The next deadline to apply for a Scientific Meeting grant is 26 March 2021.


Read & Publish participation continues to grow

“I’d heard of Read & Publish deals and knew that many universities, including mine, had signed up to them but I had not previously understood the benefits that these deals bring to authors who work at those universities.”

Professor Sally Lowell (University of Edinburgh) shares her experience of publishing Open Access as part of our growing Read & Publish initiative. We now have over 150 institutions in 15 countries and four library consortia taking part – find out more and view our full list of participating institutions.


Upcoming special issues

Imaging Development, Stem Cells and Regeneration
Submission deadline: 30 March 2021
Publication: mid-2021

The Immune System in Development and Regeneration
Guest editors: Florent Ginhoux and Paul Martin
Submission deadline: 1 September 2021
Publication: Spring 2022

Both special issues welcome Review articles as well as Research articles, and will be widely promoted online and at key global conferences.


Development presents...

Our successful webinar series continues into 2021, with early-career researchers presenting their papers and a chance to virtually network with the developmental biology community afterwards. Here, Michèle Romanos talks about her new preprint, which mixes experimentation in quail embryos and computational modelling to understand how heterogeneity in a tissue influences cell rate.

Save your spot at our next session:

10 March
Time: 9:00 (GMT)
Chaired by: Thomas Lecuit

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