Fig. 1.Stages of development for a seed with a nuclear-type transient endosperm. (A) A typical Polygonum-like mature ovule contains two gametes, the central cell and egg cell (E.C.), which are accompanied by two synergids and three antipodal cells. These gametophytic cells are surrounded by two integuments, inner (i.i.) and outer (o.i.). (B) Following double fertilization, two products start developing, the embryo and the endosperm. The latter initially develops as a coenocyte, where karyokinesis is uncoupled from cytokinesis, and a large vacuole occupies the center. The seed coat develops from the integuments and protects the fertilization products. (C) Later in development, the coenocytic endosperm cellularizes, after which it starts being consumed by the embryo. (D) In species with transient endosperms, like Arabidopsis, the embryo consumes almost the whole of the endosperm, leaving a single cell layer called aleurone.
🌾🔍 SPECIAL ISSUE REVIEW 🔍🌾
Understanding the interactions between embryo, endosperm, and seed coat is essential for both advancing our fundamental understanding of seed development and improving agronomic seed traits - Figueiredo & Sharma
🔗 doi.org/10.1093/jxb/...
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2 weeks ago
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Undaria pinnatifida gametophyte
Our work on chromatin evolution in brown algae is now published in @natecoevo.nature.com! We show that developmentally complex brown algae evolved without epigenetic silencing pathways long thought universal, underscoring why non-model lineages are important to study. www.nature.com/articles/s41...
2 weeks ago
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Project Hail Mary is a beautiful brilliant film. But molecular biologists be warned there's a deeply disturbing scene midway through when Ryan Gosling's scientist places two eppendorfs directly next to each other in an otherwise empty unbalanced microcentrifuge & sets it spinning with wild abandon.
3 weeks ago
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An illustration of scientists working in a field, with text: Why we should look beyond grades to spot potential in STEM
"… watching these students, I am reminded how transformative that moment can be when someone finally sees in you what you could not yet see in yourself." #ScienceWorkingLife https://scim.ag/46GFzAr
1 month ago
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It's great to see this work finally out! @newphyt.bsky.social
Here we showed that auxin production after fertilization is a conserved, paternal-triggered mechanism for seed initiation in angiosperms.
4 months ago
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Graphic with Arabidopsis thaliana plant. It says in the text: We're hiring: 5 PhD positions, apply by 10 January, 2026. Over the caption, there are keywords: Plant Physiology, Epigenetics, Biotechnology, Cell Biology, Bioinformatics. At the bottom there are logos of IMPRS, Max Planck Institute of Molecular Plant Physiology, University of Potsdam and the Max Planck Society.
Looking for a #PhDposition in #PlantScience ?
Our #IMPRS @mpi-mp-potsdam.bsky.social and @unipotsdam.bsky.social is #hiring !
📅 Apply by 10 January 2026
More info:
👉 www.mpimp-golm.mpg.de/IMPRS-PhD
Please share this post to plant it in the right feed 🌱 #PlantSciJobs
4 months ago
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More than 100 scientists (39 PIs, 24 Postdocs, 34 PhD-students & 5 sponsors) from 9 different countries (China, Czech Republic, France, Germany, Israel, Italy, Japan, UK, USA) participated to the international ICIPS Symposium (25-28.03.2025) in Berlin.
Thank you to all of you !
1 year ago
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