Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Epiphytes, Parasites, and Carnivores02:40

Epiphytes, Parasites, and Carnivores

13.1K
Plants often form mutualistic relationships with soil-dwelling fungi or bacteria to enhance their roots’ nutrient uptake ability. Root-colonizing fungi (e.g., mycorrhizae) increase a plant’s root surface area, which promotes nutrient absorption. While root-colonizing, nitrogen-fixing bacteria (e.g., rhizobia) convert atmospheric nitrogen (N2) into ammonia (NH3), making nitrogen available to plants for various biological functions. For example, nitrogen is essential for the...
13.1K
Conservation of Declining Populations02:07

Conservation of Declining Populations

9.7K
Conservation of declining population focuses on ways of detecting, diagnosing, and halting a population decline. The approach uses methods to prevent populations from going extinct.
9.7K
Optimal Foraging00:48

Optimal Foraging

12.4K
How animals obtain and eat their food is called foraging behavior. Foraging can include searching for plants and hunting for prey and depends on the species and environment.
12.4K
Defenses Against Pathogens and Herbivores02:26

Defenses Against Pathogens and Herbivores

25.4K
Plants present a rich source of nutrients for many organisms, making it a target for herbivores and infectious agents. Plants, though lacking a proper immune system, have developed an array of constitutive and inducible defenses to fend off these attacks.
25.4K
Predator-Prey Interactions02:39

Predator-Prey Interactions

18.6K
Predators consume prey for energy. Predators that acquire prey and prey that avoid predation both increase their chances of survival and reproduction (i.e., fitness). Routine predator-prey interactions elicit mutual adaptations that improve predator offenses, such as claws, teeth, and speed, as well as prey defenses, including crypsis, aposematism, and mimicry. Thus, predator-prey interactions resemble an evolutionary arms race.
18.6K
Adaptations that Reduce Water Loss01:57

Adaptations that Reduce Water Loss

26.2K
Though evaporation from plant leaves drives transpiration, it also results in loss of water. Because water is critical for photosynthetic reactions and other cellular processes, evolutionary pressures on plants in different environments have driven the acquisition of adaptations that reduce water loss.
26.2K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

A targeted siderophore Sperbactin from Lysobacter enzymogenes OH11: Characterization and biocontrol application against rice bacterial diseases.

Journal of advanced research·2026
Same author

Plant3R: Fusing 3D feature learning with Gaussian splatting to enhance wheat plant 3D reconstruction precision.

Plant phenomics (Washington, D.C.)·2026
Same author

Mechanisms Underlying Male Reproductive Toxicity Induced by Sublethal β-Cypermethrin Exposure in <i>Antheraea pernyi</i> (Guérin-Méneville, 1855) (Saturniidae).

Insects·2026
Same author

Heavy metals in mining and agricultural ecotone: vertical distribution, ecological risks, and health implications.

Scientific reports·2026
Same author

PUB13-Mediated Degradation of PBS3 Regulates Salicylic Acid Biosynthesis to Coordinate Plant Immunity and Leaf Longevity.

Plant communications·2026
Same author

Xanthomonas effectors: nutritional hijacking for a long running battle.

Pest management science·2026

Related Experiment Video

Updated: Sep 5, 2025

A Video Surveillance System to Monitor Breeding Colonies of Common Terns Sterna Hirundo
07:39

A Video Surveillance System to Monitor Breeding Colonies of Common Terns Sterna Hirundo

Published on: July 22, 2018

7.7K

A vigilant gliding bird protects plants.

Baodian Guo1, Shuo Duan2, Fengquan Liu1

  • 1Institute of Plant Protection, Jiangsu Academy of Agricultural Sciences, Nanjing, Jiangsu 210014, China.

Trends in Biochemical Sciences
|July 6, 2022
PubMed
Summary

The plant hormone salicylic acid (SA) receptor NPR1 is key for plant defense. Researchers uncovered the structural mechanism of how NPR1 forms an enhanceosome to activate defense genes.

Keywords:
NPR1TGA transcription factorenhanceosomeplant immunitysalicylic acid

More Related Videos

Building an Enhanced Flight Mill for the Study of Tethered Insect Flight
12:09

Building an Enhanced Flight Mill for the Study of Tethered Insect Flight

Published on: March 10, 2021

3.1K
A Method for Investigating Change Blindness in Pigeons Columba Livia
06:14

A Method for Investigating Change Blindness in Pigeons Columba Livia

Published on: September 7, 2018

6.5K

Related Experiment Videos

Last Updated: Sep 5, 2025

A Video Surveillance System to Monitor Breeding Colonies of Common Terns Sterna Hirundo
07:39

A Video Surveillance System to Monitor Breeding Colonies of Common Terns Sterna Hirundo

Published on: July 22, 2018

7.7K
Building an Enhanced Flight Mill for the Study of Tethered Insect Flight
12:09

Building an Enhanced Flight Mill for the Study of Tethered Insect Flight

Published on: March 10, 2021

3.1K
A Method for Investigating Change Blindness in Pigeons Columba Livia
06:14

A Method for Investigating Change Blindness in Pigeons Columba Livia

Published on: September 7, 2018

6.5K

Area of Science:

  • Plant biology
  • Molecular biology
  • Biochemistry

Background:

  • The plant hormone salicylic acid (SA) is crucial for triggering plant immune responses.
  • NONEXPRESSOR OF PATHOGENESIS-RELATED PROTEINS1 (NPR1) acts as a central receptor mediating SA signaling.
  • Effective plant defense against pathogens relies on the precise regulation of defense gene expression.

Purpose of the Study:

  • To elucidate the structural basis of the enhanceosome assembly mediated by NPR1.
  • To understand the molecular mechanisms by which NPR1 activates plant defense genes.
  • To provide structural insights into the plant immune signaling pathway.

Main Methods:

  • X-ray crystallography to determine the structure of NPR1 complexes.
  • Biochemical assays to study protein-protein interactions.
  • Gene expression analysis to assess the activation of defense genes.

Main Results:

  • The study revealed the detailed atomic structure of the NPR1 enhanceosome.
  • Key interactions within the enhanceosome essential for its assembly were identified.
  • Structural findings correlate with the activation of specific plant defense genes.

Conclusions:

  • The structural elucidation of the NPR1 enhanceosome provides a mechanistic understanding of plant immune activation.
  • This work offers a foundation for future studies on plant-pathogen interactions and disease resistance.
  • Understanding NPR1 complex formation is vital for engineering enhanced crop immunity.