Related Experiment Video
Updated: Jan 15, 2026
08:53
Visualizing Cellular Gibberellin Levels Using the nlsGPS1 Förster Resonance Energy Transfer (FRET) Biosensor
Published on: January 12, 2019
11.3K
Strigolactones: Biosynthesis, transport, perception, and signal transduction
Hongxin Ou1, Daoxin Xie1, Ruifeng Yao2
1MOE Key Laboratory of Bioinformatics, Tsinghua-Peking Center for Life Sciences, School of Life Sciences, Tsinghua University, Beijing 100084, China.
Molecular Plant
|October 16, 2025
Summary
Strigolactones (SLs), plant hormones derived from carotenoids, regulate growth and interactions. This review covers SL biosynthesis, transport, signaling, and functions, highlighting future research directions for agricultural applications.
Area of Science:
- Plant Biology
- Hormone Signaling
- Biochemistry
Background:
- Strigolactones (SLs) are crucial plant hormones derived from carotenoids.
- They regulate diverse physiological processes like shoot branching and root growth.
- SLs also mediate rhizosphere interactions, including symbiosis with arbuscular mycorrhizal fungi and parasitic weed attraction.
Purpose of the Study:
- To provide a comprehensive overview of strigolactone research.
- To summarize major achievements and recent advances in SL biosynthesis, transport, perception, and signal transduction.
- To discuss current challenges and future research directions in the SL field for agricultural advancement.
Main Methods:
- Literature review and synthesis of existing research on strigolactones.
- Analysis of established and emerging knowledge on SL pathways.
- Identification of key areas for future investigation.
Main Results:
- Strigolactones (SLs) are synthesized from β-carotene via a complex enzymatic pathway.
- SLs play dual roles: endogenous regulators of plant development and exogenous ecological signals.
- Significant progress has been made in characterizing SL biosynthesis and signaling, yet regulatory complexities persist.
Conclusions:
- Strigolactone research has advanced significantly, revealing their complex roles in plant development and ecology.
- Further investigation into SL regulation and function is crucial for unlocking their agricultural potential.
- Addressing current challenges will enhance understanding and application of the SL pathway in agriculture.
Related Concept Videos
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
02:09Operons
53.9K
Prokaryotes can control gene expression through operons—DNA sequences consisting of regulatory elements and clustered, functionally related protein-coding genes. Operons use a single promoter sequence to initiate transcription of a gene cluster (i.e., a group of structural genes) into a single mRNA molecule. The terminator sequence ends transcription. An operator sequence, located between the promoter and structural genes, prohibits the operon’s transcriptional activity if bound by...
53.9K
01:25Inducible Operons: lac Operon
1.4K
The lac operon in Escherichia coli is a model for understanding inducible gene regulation and metabolic flexibility. It integrates local control by lactose and global regulation through catabolite repression, enabling E. coli to preferentially metabolize glucose when available and switch to lactose utilization when glucose is scarce.Structure and Function of the lac OperonThe lac operon contains three structural genes: lacZ (β-galactosidase), lacY (lactose permease), and lacA...
1.4K
02:12Short-distance Transport of Resources
17.4K
Short-distance transport refers to transport that occurs over a distance of just 2-3 cells, crossing the plasma membrane in the process. Small uncharged molecules, such as oxygen, carbon dioxide, and water, can diffuse across the plasma membrane on their own. In contrast, ions and larger molecules require the assistance of transport proteins due to their charge or size. Transport across membranes also occurs within individual cells, playing a variety of essential roles for the plant as a whole.
17.4K
01:26Signal Transduction: Overview
11.4K
Cells respond to many types of information, often through receptor proteins positioned on the membrane. They respond to chemical signals, such as hormones, neurotransmitters, and other signaling molecules, initiating a series of molecular reactions to produce an appropriate response. This is called signal transduction. Cells also coordinate different responses elicited by the same signaling molecule via mediators, allowing molecular cross-talk.
Typically, signal transduction involves three...
Typically, signal transduction involves three...
11.4K
01:56Plant Hormones
27.3K
Plant hormones—or phytohormones—are chemical molecules that modulate one or more physiological processes of a plant. In animals, hormones are often produced in specific glands and circulated via the circulatory system. However, plants lack hormone-producing glands.
27.3K