Related Experiment Video
Updated: Jul 19, 2026
10:47
Rapid Detection of Neurodevelopmental Phenotypes in Human Neural Precursor Cells (NPCs)
Published on: March 2, 2018
Nutrient sensing and signaling: NPKS.
Daniel P Schachtman1, Ryoung Shin
1Donald Danforth Plant Science Center, St. Louis, MO 63132, USA. dschachtman@danforthcenter.org
Annual Review of Plant Biology
|October 28, 2006
Summary
Plants adapt to low nutrient soils by sensing mineral changes and adjusting growth. Signaling pathways for nitrogen, potassium, and sulfur deprivation require further study.
Area of Science:
- Plant Physiology
- Molecular Biology
- Nutrient Sensing
Background:
- Plants require essential macronutrients like nitrogen, phosphorus, and sulfur for growth.
- Nutrient-deprived soils present significant challenges for plant survival and development.
- Understanding plant adaptation mechanisms to nutrient scarcity is crucial for agriculture and ecology.
Purpose of the Study:
- To investigate the sensing and signal transduction networks controlling plant responses to nutrient deprivation.
- To elucidate the molecular mechanisms underlying plant adaptation to low nitrogen, phosphorus, potassium, and sulfur conditions.
Main Methods:
- Analysis of transcription factor regulation by sumoylation in response to phosphorus deprivation.
- Investigating the roles of specific microRNAs in gene expression under phosphorus and sulfur deprivation.
- Monitoring reactive oxygen species dynamics as potential upstream signaling mediators.
Main Results:
- A key transcription factor regulated by sumoylation has been identified in phosphorus-deprivation response pathways.
- Two distinct microRNAs are implicated in regulating gene expression during phosphorus and sulfur deprivation.
- Rapid increases in reactive oxygen species observed post-nutrient deprivation suggest their role in signaling.
Conclusions:
- Plant adaptation to nutrient deprivation involves complex sensing and signal transduction networks.
- Further research is needed to fully characterize signaling pathways for nitrogen, potassium, and sulfur deprivation.
- Both short-term and long-term molecular responses are critical for understanding plant adaptation to depleted nutrient supplies.
Related Concept Videos
02:35Key Elements for Plant Nutrition
Like all living organisms, plants require organic and inorganic nutrients to survive, reproduce, grow and maintain homeostasis. To identify nutrients that are essential for plant functioning, researchers have leveraged a technique called hydroponics. In hydroponic culture systems, plants are grown—without soil—in water-based solutions containing nutrients. At least 17 nutrients have been identified as essential elements required by plants. Plants acquire these elements from the atmosphere, the...
01:30Regulation of Food Intake
Short-term regulation of food intake primarily involves neural signals from the gastrointestinal (GI) tract, blood nutrient levels, and GI tract hormones. Communication between the gut and brain via vagal nerve fibers plays a significant role in evaluating the contents of the gut. Clinical studies have shown that protein ingestion produces a more prolonged response in these nerve fibers compared to an equivalent amount of glucose. Additionally, the activation of stretch receptors caused by GI...
01:25Cell Signaling in Plants
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...
01:23Overview of Cell Signaling
Despite the protective membrane that separates a cell from the environment, cells need the ability to detect and respond to environmental changes. Additionally, cells often need to communicate with one another. Unicellular and multicellular organisms use a variety of cell signaling mechanisms to communicate with the environment.
Cells respond to many types of information, often through receptor proteins positioned on the membrane. For example, skin cells respond to and transmit touch...
Cells respond to many types of information, often through receptor proteins positioned on the membrane. For example, skin cells respond to and transmit touch...
01:45Endocrine Signaling
Endocrine cells produce hormones to communicate with remote target cells found in other organs. The hormone reaches these distant areas using the circulatory system. This exposes the whole organism to the hormone but only those cells expressing hormone receptors or target cells are affected. Thus, endocrine signaling induces slow responses from its target cells but these effects also last longer.
01:45Endocrine Signaling
Endocrine cells produce hormones to communicate with remote target cells found in other organs. The hormone reaches these distant areas using the circulatory system. This exposes the whole organism to the hormone but only those cells expressing hormone receptors or target cells are affected. Thus, endocrine signaling induces slow responses from its target cells but these effects also last longer.