Related Experiment Video
Updated: Dec 27, 2025
04:11
Pattern-Triggered Oxidative Burst and Seedling Growth Inhibition Assays in Arabidopsis thaliana
Published on: May 21, 2019
13.7K
ROS and oxidative burst: Roots in plant development
Anuj Choudhary1, Antul Kumar1, Nirmaljit Kaur1
1Department of Botany, College of Basic Sciences and Humanities, Punjab Agricultural University, Ludhiana, 141004, Punjab, India.
Plant Diversity
|March 7, 2020
Summary
Reactive oxygen species (ROS) are vital plant signaling molecules, not just toxic byproducts. Understanding their diverse roles in growth and development is crucial for plant science.
Area of Science:
- Plant Biology
- Biochemistry
Background:
- Reactive oxygen species (ROS) are byproducts of plant redox reactions.
- Historically viewed as toxic, ROS are now recognized as signaling molecules.
Purpose of the Study:
- To explore the multifaceted roles of ROS in plant growth and development.
- To investigate the mechanisms of ROS sensing and response in plants.
Main Methods:
- Literature review of existing studies on ROS in plants.
- Analysis of ROS involvement from seed germination to senescence.
Main Results:
- ROS participate in various plant physiological processes, including growth and development.
- Basal levels of ROS may support cellular proliferation and offer physiological benefits.
Conclusions:
- ROS have diverse signaling functions beyond stress responses.
- Further research is needed to fully elucidate ROS roles and mechanisms in plants.
Related Concept Videos
01:29Oxygen Requirements and Growth Patterns
1.1K
Microorganisms exhibit diverse oxygen requirements and growth patterns driven by their metabolic strategies and environmental adaptations. Oxygen, while essential for many organisms, can also be toxic under certain conditions, shaping how microorganisms grow and survive.Oxygen Requirements of MicroorganismsMicroorganisms are classified based on their ability to use or tolerate oxygen:● Obligate aerobes like Mycobacterium tuberculosis need oxygen for energy production, as it serves as the...
1.1K
01:25Cell Signaling in Plants
6.1K
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...
6.1K
03:02Primary and Secondary Growth in Roots and Shoots
59.8K
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.
59.8K
01:46The Calvin Benson Cycle
5.6K
Ribulose 1,5- bisphosphate carboxylase/oxygenase (RuBisCo) is a critical enzyme that catalyzes carbon dioxide assimilation during photosynthesis. However, it is an inefficient enzyme, having an extremely slow catalytic rate. A typical enzyme can process about a thousand molecules per second; however, RuBisCo fixes only around three-carbon dioxides per second. Photosynthetic cells compensate for this slow rate by synthesizing very high amounts of RuBisCo, making it the most abundant single...
5.6K
01:24Peroxisomes
19.8K
Peroxisomes are specialized organelles present in fungi, plant, and animal cells. It can vary in number, size, morphology, and activity depending on the type of tissue and the nutritional state of the cell. For example, cells with active lipid metabolism, such as adipocytes, neurons, and hepatocytes, have more peroxisomes than other cells in the body. Besides their primary role in breaking down complex organic molecules, peroxisomes can also synthesize specific macromolecules and participate in...
19.8K
02:41Responses to Drought and Flooding
11.8K
Water plays a significant role in the life cycle of plants. However, insufficient or excess of water can be detrimental and pose a serious threat to plants.
11.8K