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Related Concept Videos

Cell Signaling in Plants01:25

Cell 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...
Receptor Tyrosine Kinases01:26

Receptor Tyrosine Kinases

Receptor tyrosine kinases or RTKs are membrane-bound receptors that phosphorylate specific tyrosine on protein substrates. RTKs regulate cellular growth, differentiation, survival, and migration. They contain an extracellular ligand binding domain, a transmembrane domain, and a cytosolic tail with intrinsic kinase activity. Several extracellular signaling molecules activate RTKs in one or more ways and relay the signal downstream. Ligands such as platelet-derived growth factor (PDGF) or...
Photoreceptors and Plant Responses to Light02:00

Photoreceptors and Plant Responses to Light

Light plays a significant role in regulating the growth and development of plants. In addition to providing energy for photosynthesis, light provides other important cues to regulate a range of developmental and physiological responses in plants.
Enzyme-linked Receptors01:00

Enzyme-linked Receptors

Enzyme-linked receptors are proteins that act as both receptor and enzyme, activating multiple intracellular signals. This is a large group of receptors that include the receptor tyrosine kinase (RTK) family. Many growth factors and hormones bind to and activate the RTKs.
Neurotrophin (NT) receptors are a family of RTKs, including trkA, trkB, and trkC (tropomyosin-related kinase) receptors. TrkA is specific for nerve growth factor (NGF), neurotrophin-6, and neurotrophin-7. TrkB binds...
Enzyme-linked Receptors01:00

Enzyme-linked Receptors

Enzyme-linked receptors are proteins that act as both receptor and enzyme, activating multiple intracellular signals. This is a large group of receptors that include the receptor tyrosine kinase (RTK) family. Many growth factors and hormones bind to and activate the RTKs.
Neurotrophin (NT) receptors are a family of RTKs, including trkA, trkB, and trkC (tropomyosin-related kinase) receptors. TrkA is specific for nerve growth factor (NGF), neurotrophin-6, and neurotrophin-7. TrkB binds...
Transducer Mechanism: Enzyme-Linked Receptors01:27

Transducer Mechanism: Enzyme-Linked Receptors

Enzyme-linked receptors are cell-surface receptors acting as an enzyme or associating with an enzyme intracellularly. They make excellent drug targets. Drugs can bind to the extracellular ligand-binding domain or directly affect their enzymatic domain and alter their activity.
Major types that are helpful drug targets include:

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Related Experiment Video

Updated: Jun 19, 2026

Identification of Post-translational Modifications of Plant Protein Complexes
10:07

Identification of Post-translational Modifications of Plant Protein Complexes

Published on: February 22, 2014

Receptor-like kinases shape the plant.

Ive De Smet1, Ute Voss, Gerd Jürgens

  • 1Centre for Plant Molecular Biology (ZMBP), Developmental Genetics, Tübingen University, Auf der Morgenstelle 3, D-72076 Tübingen, Germany. ive.desmet@tuebingen.mpg.de

Nature Cell Biology
|October 2, 2009
PubMed
Summary

Plant development relies on cell division and specification, regulated by phytohormones and transcription factors. Ligand-receptor-like kinase signaling pathways are emerging as key regulators in plants, with parallels to animal systems.

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Area of Science:

  • Plant biology
  • Cell signaling
  • Developmental biology

Background:

  • Organismal development requires organized cell division and specification.
  • Phytohormones and transcriptional networks are primary regulators in plants.
  • Ligand-receptor-like kinase (LRRK) signaling pathways are newly recognized regulators.

Purpose of the Study:

  • To review the significance of LRRK signaling in plant growth and development.
  • To explore potential similarities between plant and animal signaling cascades.

Main Methods:

  • Literature review of plant and animal signaling pathways.
  • Comparative analysis of LRRK functions in different organisms.

Main Results:

  • LRRK pathways play crucial roles in plant cell specification.
  • These pathways offer insights into conserved mechanisms of development.
  • Similarities exist between plant and animal LRRK signaling cascades.

Conclusions:

  • LRRK signaling is vital for plant development.
  • Understanding these pathways can illuminate conserved biological processes.
  • Comparative studies enhance our knowledge of cell specification.