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Seed Structure and Early Development of the Sporophyte

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Fertilization

Fertilization

During fertilization, an egg and sperm cell fuse to create a new diploid structure. In humans, the process occurs once the egg has been released from the ovary, and travels into the fallopian tubes. The process requires several key steps: 1) sperm present in the genital tract must locate the egg; 2) once there, sperm need to release enzymes to help them burrow through the protective zona pellucida of the egg; and 3) the membranes of a single sperm cell and egg must fuse, with the sperm...

Gastrulation

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Related Experiment Video

Updated: Oct 4, 2025

A Seed Coat Bedding Assay to Genetically Explore In Vitro How the Endosperm Controls Seed Germination in Arabidopsis thaliana

A Seed Coat Bedding Assay to Genetically Explore In Vitro How the Endosperm Controls Seed Germination in Arabidopsis thaliana

Published on: November 9, 2013

Embryo-Endosperm Interactions.

Nicolas M Doll^1,2, Gwyneth C Ingram³

¹Department of Plant Biotechnology and Bioinformatics, Ghent University, Ghent, Belgium;

Annual Review of Plant Biology

|February 7, 2022

Summary

This summary is machine-generated.

Successful seed development in angiosperms relies on nutrient transfer between the embryo and endosperm. Their shared interface dynamically regulates this crucial communication, impacting germination.

Keywords:

apoplast communication development embryo endosperm seed

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A Seed Coat Bedding Assay to Genetically Explore In Vitro How the Endosperm Controls Seed Germination in Arabidopsis thaliana

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Efficient and Rapid Isolation of Early-stage Embryos from Arabidopsis thaliana Seeds

Efficient and Rapid Isolation of Early-stage Embryos from Arabidopsis thaliana Seeds

Published on: June 7, 2013

Area of Science:

Plant reproductive biology
Developmental biology
Seed physiology

Background:

Double fertilization in angiosperms initiates simultaneous embryo and endosperm development.
Interactions between embryo and endosperm are vital for seed development and germination.
The embryo-endosperm interface is a complex apoplast facilitating nutrient transport.

Purpose of the Study:

To review current understanding of embryo-endosperm interactions.
To focus on the structure, properties, and function of the embryo-endosperm interface.
To contextualize findings within seed physiology, developmental biology, and genetics.

Main Methods:

Literature review focusing on angiosperm seed development.
Analysis of studies on the embryo-endosperm interface, primarily in *Arabidopsis*.
Integration of research on molecular and physical interactions between embryo and endosperm.

Main Results:

The embryo-endosperm interface is a dynamic apoplast crucial for nutrient transit.
Interface properties regulate molecular diffusion and intercellular communication.
Interactions are modulated by molecular and physical dialogues between embryo and endosperm.

Conclusions:

Understanding the embryo-endosperm interface is key to seed development and germination.
Dynamic regulation of the interface is essential for successful nutrient allocation.
Further research is needed to fully elucidate genetic factors, including parental conflict, influencing these interactions.