Related Experiment Video
Updated: Nov 21, 2025
10:24
A Method for Characterizing Embryogenesis in Arabidopsis
Published on: August 4, 2017
11.6K
An Essential Function for Auxin in Embryo Development
Subodh Verma1, Venkata Pardha Saradhi Attuluri1, Hélène S Robert1
1Mendel Centre for Genomics and Proteomics of Plants Systems, CEITEC MU - Central European Institute of Technology, Masaryk University, 625 00 Brno, Czech Republic.
Cold Spring Harbor Perspectives in Biology
|January 12, 2021
Summary
Plant embryogenesis relies on auxin, a key phytohormone. Disruptions in auxin pathways critically impact embryo development, affecting pattern formation and the shoot-root axis.
Area of Science:
- Plant developmental biology
- Molecular plant science
- Hormone signaling
Background:
- Embryogenesis establishes the foundational plant architecture.
- Phytohormone auxin is crucial for pattern formation during seed plant development.
- Auxin gradients act as instructive signals for tissue specification and organ initiation.
Purpose of the Study:
- To review the role of auxin in plant embryogenesis.
- To discuss how auxin pathway disruptions affect embryo development.
- To explore auxin's mechanism in shoot-root axis and three-tissue system formation.
Main Methods:
- Literature review of auxin's function in embryogenesis.
- Analysis of recent findings on auxin biosynthesis, transport, and response.
- Discussion of biological tools for studying auxin in embryo development.
Main Results:
- Disruptions in auxin biosynthesis, transport, and signaling severely impair embryo development.
- Auxin maxima/minima distribution is essential for establishing the shoot-root axis.
- Auxin plays a critical role in forming the three-tissue system during embryogenesis.
Conclusions:
- Auxin is indispensable for proper plant embryogenesis and pattern formation.
- Understanding auxin's role provides insights into developmental processes and potential targets for manipulation.
- Further research using presented biological tools can elucidate auxin's precise functions.
More Related Videos
Related Concept Videos
01:56Plant Hormones
26.2K
Plant hormones—or phytohormones—are chemical molecules that modulate one or more physiological processes of a plant. In animals, hormones are often produced in specific glands and circulated via the circulatory system. However, plants lack hormone-producing glands.
26.2K
02:33Seed Structure and Early Development of the Sporophyte
30.2K
Seed structures are composed of a protective seed coat surrounding a plant embryo, and a food store for the developing embryo. The embryo contains the precursor tissues for leaves, stem, and roots. The endosperm and cotyledons—seed leaves—act as the food reserves for the growing embryo.
30.2K
02:19Morphogenesis
29.4K
Plant morphogenesis—the development of a plant’s form and structure—involves several overlapping developmental processes, including growth and cell differentiation. Precursor cells differentiate into specific cell types, which are organized into the tissues and organ systems that make up the functional plant.
29.4K
01:25Cell Signaling in Plants
6.0K
Plant cells communicate to coordinate their cycle of growth, flowering and fruiting, and activities in roots, shoots, and leaves in response to the changing environmental conditions. Plant signaling is distinct from animal signaling. Plants primarily utilize enzyme-linked receptors, whereas the largest class of cell-surface receptors in animals are G-protein coupled receptors (GPCRs). Unlike animals, receptor tyrosine kinases are rare in plants. Instead, plants have a diverse class of...
6.0K
03:24Seedless Vascular Plants
65.6K
Seedless Vascular Plants Were the First Tall Plants on Earth
65.6K
02:36Meristems and Plant Growth
48.2K
Plants grow throughout their lives; this is called indeterminate growth, and it distinguishes plants from most animals. Although certain parts of plants stop growing (e.g., leaves and flowers), others grow continuously—like roots and stems.
48.2K