Organogenesis in callus culture
1University College London, London, UK.
Methods in Molecular Biology (Clifton, N.J.)
|March 11, 2011
Summary
Plant cells exhibit totipotency, enabling a single cell to grow into a whole plant. Successful organogenesis in plant tissue culture relies on optimizing media, inoculum, and environmental conditions, particularly plant growth regulators.
Area of Science:
- Plant Biotechnology
- Developmental Biology
- Plant Cell Biology
Background:
- Plant cells possess totipotency, the inherent ability to regenerate into a complete organism.
- Plant tissue culture techniques have advanced significantly over the past three decades.
- Successful organogenesis is crucial for plant propagation and research.
Purpose of the Study:
- To review the key factors influencing successful plant organogenesis in vitro.
- To highlight the role of plant growth regulators in inducing organogenesis.
- To underscore the importance of tissue culture for commercial plant propagation.
Main Methods:
- Review of established research on plant tissue culture and organogenesis.
- Analysis of critical factors including medium composition, inoculum selection, and environmental control.
- Emphasis on the manipulation of plant growth regulator concentrations.
Main Results:
- Optimizing medium components, inoculum, and physical environment are critical for organogenesis.
- Plant growth regulator concentration is a primary determinant for inducing organogenesis.
- These findings form the basis for modern plant propagation via tissue culture.
Conclusions:
- Totipotent plant cells can be induced to undergo organogenesis under controlled conditions.
- Precise control over plant growth regulators is essential for successful in vitro regeneration.
- Plant tissue culture, guided by these principles, is vital for commercial plant propagation.
More Related Videos
07:32Protocols for Obtaining Zygotic and Somatic Embryos for Studying the Regulation of Early Embryo Development in the Model Legume Medicago truncatula
Published on: June 9, 2015
12:18A Strategy to Validate the Role of Callose-mediated Plasmodesmal Gating in the Tropic Response
Published on: April 17, 2016
Related Concept Videos
02:57Plant Tissue Culture
Plant tissue culture is widely used in both primary and applied science. Applications range from plant development studies to functional gene studies, crop improvement, commercial micropropagation, virus elimination, and conservation of rare species.
01:21Cell Culture
Most vertebrate cells grow in vitro attached to a substrate as a monolayer, called adherent cultures. The flasks and plates used to grow cells are chemically treated to facilitate cell attachment. However, a few cell types, such as hematopoietic cells, can grow in a suspension. In contrast to adherent cultures, suspension cultures can grow in non-treated cultureware using magnetic stirrers or spinner flasks to agitate the culture media
02:19Morphogenesis
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.
02:36Meristems and Plant Growth
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.
01:18Plant Tissues
Plants are multicellular eukaryotes with tissue systems made of various cell types that carry out specific functions. Different tissues work together to perform a unique function and form an organ. Organs working together form organ systems. Vascular plants have two distinct organ systems: a shoot system and a root system. The shoot system consists of two portions: the vegetative (non-reproductive) parts of the plant, such as the leaves and the stems, and the reproductive parts of the plant,...
01:17Gene Regulation During Sporulation
Sporulation is a complex developmental process that allows certain Gram-positive bacteria, such as Bacillus subtilis and Clostridium species, to survive extreme environmental conditions. This process is tightly regulated by a series of signaling cascades and transcriptional controls, ensuring the formation of a highly resistant endospore.Sporulation is triggered by unfavorable conditions, such as nutrient depletion, and is governed by a phosphorelay system. One of the sensor kinases, such as...