Related Experiment Video
Updated: Jan 24, 2026
08:51
Identification of Mouse and Human Antibody Repertoires by Next-Generation Sequencing
Published on: March 15, 2019
13.0K
Maize transcriptomic repertoires respond to gibberellin stimulation
Yali Wang1,2, Xin Wang3, Dexiang Deng1,2
1Jiangsu Key Laboratory of Crop Genetics and Physiology/Key Laboratory of Plant Functional Genomics of the Ministry of Education/Jiangsu Key Laboratory of Crop Genomics and Molecular Breeding, Agricultural College of Yangzhou University, Yangzhou, 225009, China.
Molecular Biology Reports
|May 31, 2019
Summary
Gibberellin (GA) hormone regulates plant growth. This study reveals GA-responsive genes in maize, impacting growth, hormone signaling, and cell wall development, enhancing our understanding for agricultural applications.
Area of Science:
- Plant Biology
- Molecular Biology
- Genomics
Background:
- Phytohormone gibberellin (GA) is a key regulator of plant development.
- Transcriptomic responses to GA in cereal crops are not well understood.
- Maize (Zea mays) is a vital cereal crop with complex growth regulation.
Purpose of the Study:
- To investigate transcriptomic changes in maize in response to GA treatment.
- To identify GA-responsive genes and their functions in normal and dwarf maize.
- To understand the complexity of GA-mediated gene regulation in maize.
Main Methods:
- Selection of normal height and GA-sensitive dwarf maize plants.
- Gibberellin (GA3) treatment and RNA-sequencing (RNA-seq) analysis.
- Bioinformatic analysis of differentially expressed genes and network modeling.
Main Results:
- Identified numerous differentially expressed protein-coding transcripts in response to GA.
- Found 214 shared GA-responsive transcripts in both normal and dwarf maize.
- These transcripts are involved in GA signaling, auxin biosynthesis, cell wall structure, and sugar homeostasis.
Conclusions:
- GA significantly alters the maize transcriptome, affecting key developmental pathways.
- Shared GA-responsive transcripts highlight conserved regulatory mechanisms.
- Findings provide insights into GA's role in maize growth and potential agricultural applications.
Related Concept Videos
02:41Responses to Drought and Flooding
12.0K
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.
12.0K
01:29Stimulants
877
Stimulants are substances that enhance neural activity and elevate dopamine levels in the brain, leading to their highly addictive nature. These drugs include cocaine, amphetamines, MDMA, caffeine, and nicotine, each with distinct mechanisms of action and varied health implications.
Cocaine can be administered via snorting, injection, or smoking. It primarily functions by blocking the reuptake of dopamine, resulting in a euphoric high characterized by an intense sensation of happiness and...
Cocaine can be administered via snorting, injection, or smoking. It primarily functions by blocking the reuptake of dopamine, resulting in a euphoric high characterized by an intense sensation of happiness and...
877
01:20Motor Unit Stimulation
3.6K
When the neuron of a motor unit fires an action potential, it triggers a series of events, leading to a twitch contraction in the muscle fibers. The process of excitation-contraction coupling is crucial in relaying the action potential to the muscle fibers.
The latent period of contraction marks the onset of excitation-contraction coupling, when the action potential propagates across the sarcolemma, preparing the muscle fibers for contraction. As the fibers enter the contraction phase, the...
The latent period of contraction marks the onset of excitation-contraction coupling, when the action potential propagates across the sarcolemma, preparing the muscle fibers for contraction. As the fibers enter the contraction phase, the...
3.6K
01:22Muscle Stimulation Frequency
4.4K
The contraction strength of muscles is regulated by motor neurons, which modulate the frequency of action potentials dispatched to the motor units based on the body's requirements. This process of varying the muscle stimulation frequency allows muscles to contract with a force that is precisely tailored to the needs of the moment, whether lifting a feather or a heavy box.
Wave summation
At low firing rates, motor neurons induce individual twitch contractions in muscle fibers. These twitches...
Wave summation
At low firing rates, motor neurons induce individual twitch contractions in muscle fibers. These twitches...
4.4K
01:28Action Potential: Phases of Stimulation
11.8K
The action potential is a complex electrical event that occurs in excitable cells, such as neurons and muscle cells. It consists of several distinct phases, each with specific characteristics.
Resting Phase:
In this phase, the cell's membrane is at its resting potential, typically around -70 millivolts (mV) for neurons. Inside the cell, there is a higher concentration of potassium ions (K+) and a lower concentration of sodium ions (Na+). Voltage-gated sodium channels are closed, and...
Resting Phase:
In this phase, the cell's membrane is at its resting potential, typically around -70 millivolts (mV) for neurons. Inside the cell, there is a higher concentration of potassium ions (K+) and a lower concentration of sodium ions (Na+). Voltage-gated sodium channels are closed, and...
11.8K
01:22CNS Stimulants: Psychedelic Agents
729
Hallucinogens, also known as psychedelic drugs, are a class of substances known for their ability to alter perception, cognition, and emotions. Despite their profound effects on the mind, these drugs are non-addictive, setting them apart from many other abused substances. The mechanism of action of these drugs lies in their impact on the 5-HT2A receptor in the brain. Upon activation, this receptor couples to Gq-type G proteins, triggering a cascade that releases intracellular calcium. This...
729