Lateral Root Growth
Lateral Root Growth - Related Videos
09:23
Lateral Root Inducible System in Arabidopsis and Maize
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Cited by 8 •
2016
The Lateral Root Inducible System (LRIS) allows for synchronous induction of lateral roots and is presented for Arabidopsis thaliana and maize.
13:54
Time-lapse Fluorescence Imaging of Arabidopsis Root Growth with Rapid Manipulation of The Root Environment Using The RootChip
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Cited by 43 •
2012
This article provides a protocol for cultivation of Arabidopsis seedlings in the RootChip, a microfluidic imaging platform that combines automated control of growth conditions with microscopic root monitoring and FRET-based measurement of intracellular metabolite levels.
03:48
Primary and Secondary Growth in Roots and Shoots
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2026
Vascular plants, which account for over 90% of the Earth’s vegetation, all undergo primary growth—which lengthens roots and shoots. Many land plants, notably woody plants, also undergo secondary growth—which thickens roots and shoots.Primary and secondary growth can occur simultaneously in a plant. While primary growth occurs in newer plant regions, secondary growth transpires in regions that have completed primary growth. There are overlaps and distinctions between root growth and shoot growth.
07:59
A Simple Chamber for Long-term Confocal Imaging of Root and Hypocotyl Development
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Cited by 25 •
2017
Presented here is a simple technique for high-resolution confocal time-lapse imaging of root and hypocotyl development for up to 3 days using high numerical-aperture objectives and perfluorodecalin as an immersion medium.
02:02
Full-Endoscopic Interlaminar Approach for Decompression of Lateral Recess Stenosis
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Cited by 1 •
2023
Technical advances and increased experience in full-endoscopic spinal surgeries enable these procedures to be performed with minimal incision, muscle retraction, and bone removal.
FAQs
Localized auxin accumulation provides a developmental signal that prompts selected pericycle cells to acquire founder-cell identity. This response does not occur uniformly across the primary root; it marks specific cellular positions for a new developmental program. Studying this signal helps explain how plants initiate additional root organs in a spatially controlled manner.
Pericycle cells near the xylem poles are the typical starting population for lateral root development. Their position links internal root organization with the site where founder-cell identity is established. Following this specification, they divide to generate a lateral root primordium, making these cells central to research on how existing tissues produce new organs.
After founder cells are specified, cell division builds a lateral root primordium within the primary root. The developing structure then emerges through surrounding tissues, requiring coordinated tissue remodeling as well as continued growth. This sequence shows that lateral root formation depends not only on producing new cells, but also on reorganizing the tissues that the primordium must cross.
The process connects hormonal signaling, cell division, and tissue remodeling within one organ-forming event. Auxin helps establish founder-cell identity, divisions create the developing primordium, and remodeling supports its emergence. Because these activities must occur in a coordinated sequence, lateral root growth provides a useful developmental biology system for examining how multiple mechanisms produce organized plant structures.
This system allows researchers to investigate how plants form organs from defined cell populations and how signaling is translated into patterned growth. Observations of founder-cell specification, primordium formation, and emergence connect molecular or cellular regulation with visible root development. The resulting knowledge contributes to broader studies of organ formation and the organization of plant body plans.
Because lateral roots expand the root system, their formation contributes to root-system architecture, meaning the overall organization and extent of roots. Studying its regulation helps explain how plants adjust root development in response to changing conditions, a capacity described as environmental plasticity. This connection makes the process relevant to research on water and nutrient access.
Variation in lateral root development can inform research on crop traits associated with resource uptake and stress adaptation. A more thoroughly understood developmental process provides context for examining how root systems acquire water and nutrients and how their organization relates to challenging conditions. Thus, developmental studies can connect cellular mechanisms with traits important in crop improvement research.
Researchers can follow several linked outcomes: localized auxin-associated founder-cell specification, pericycle cell division, lateral root primordium formation, and emergence through surrounding tissues. Together, these observations reveal where development begins, how a new root structure is built, and how it becomes integrated into the existing root system. They also support analysis of root architecture and stress-related adaptation.