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

Spontaneity02:21

Spontaneity

30.0K
A spontaneous process is one that occurs naturally under certain conditions. A nonspontaneous process, on the other hand, will not take place unless it is “driven” by the continual input of energy from an external source. Processes have a natural tendency to occur in one direction under a given set of conditions. Water will naturally flow downhill (spontaneous process), but uphill flow (nonspontaneous process) requires outside intervention such as the use of a pump. Iron exposed to...
30.0K
Replication in Prokaryotes02:35

Replication in Prokaryotes

98.3K
Overview
98.3K
C4 Pathway and CAM01:27

C4 Pathway and CAM

49.2K
Most plants use the C3 pathway for carbon fixation. However, some plants, such as sugar cane, corn, and cacti that grow in hot conditions, use alternative pathways to fix carbon and conserve energy loss due to photorespiration. Photorespiration is the process that occurs when the oxygen concentration is high. Under such conditions, the rubisco enzyme in the Calvin cycle binds O2 instead of CO2, which halts photosynthesis and consumes energy.
C4 Pathway
The C4 pathway is used by plants such as...
49.2K
Reaction Quotient02:35

Reaction Quotient

53.1K
The status of a reversible reaction is conveniently assessed by evaluating its reaction quotient (Q). For a reversible reaction described by m A + n B ⇌ x C + y D, the reaction quotient is derived directly from the stoichiometry of the balanced equation as
53.1K
Exocytosis00:51

Exocytosis

73.4K
Exocytosis is used to release material from cells. Like other bulk transport mechanisms, exocytosis requires energy.
73.4K
Obedience01:08

Obedience

35.6K
According to obedience research, we may harm others under the forceful pressures of an authority figure (Milgram, 1974). How about if the inappropriate orders were delivered with less force? The increasing interdependence between nurses and physicians compelled Hofling and his colleagues to explore nurses’ reactions to a potentially harmful medical request made by the perceived authority figure, the doctor (Hofling, Brotzman, Dalrymple, Graves, & Pierce, 1966). In this situation,...
35.6K

You might also read

Related Articles

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

Sort by
Same author

[Platelet parameters and platelet Toll-like receptor 4 (TLR4) expression in patients with sepsis, and the effect of a joint treatment-plan integrating traditional Chinese and western medicine: a clinical study].

Zhongguo wei zhong bing ji jiu yi xue = Chinese critical care medicine = Zhongguo weizhongbing jijiuyixue·2011
Same author

A novel kernel Fisher discriminant analysis: constructing informative kernel by decision tree ensemble for metabolomics data analysis.

Analytica chimica acta·2011
Same author

Anterior debridement and reconstruction via thoracoscopy-assisted mini-open approach for the treatment of thoracic spinal tuberculosis: minimum 5-year follow-up.

European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·2011
Same author

[A family-based association study of FXYD6 gene polymorphisms and schizophrenia].

Zhonghua yi xue yi chuan xue za zhi = Zhonghua yixue yichuanxue zazhi = Chinese journal of medical genetics·2011
Same author

Prenatal diagnosis of penoscrotal transposition with 2- and 3-dimensional ultrasonography.

Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine·2011
Same author

Differentiation of α- or β-aspartic isomers in the heptapeptides by the fragments of [M + Na]+ using ion trap tandem mass spectrometry.

Journal of the American Society for Mass Spectrometry·2011

Related Experiment Video

Updated: Feb 5, 2026

Fibroblast Derived Human Engineered Connective Tissue for Screening Applications
09:50

Fibroblast Derived Human Engineered Connective Tissue for Screening Applications

Published on: August 20, 2021

4.1K

Proceeding From

Bing Wang1, Yang Liu1, Gui-Rong Wang1

  • 1State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China.

Frontiers in Physiology
|September 15, 2018
PubMed
Summary

Researchers studied sexual communication in three moth species. They found that while some pheromone receptors (PRs) are conserved, others show divergence, explaining how these species remain reproductively isolated.

Keywords:
Helicoverpa armigeraHelicoverpa assultaHeliothis virescenspheromone receptorssex pheromonestransgenic fly

More Related Videos

Single-Cell Optical Action Potential Measurement in Human Induced Pluripotent Stem Cell-Derived Cardiomyocytes
08:39

Single-Cell Optical Action Potential Measurement in Human Induced Pluripotent Stem Cell-Derived Cardiomyocytes

Published on: December 22, 2020

4.7K
Isolation of High Quality Murine Atrial and Ventricular Myocytes for Simultaneous Measurements of Ca2+ Transients and L-Type Calcium Current
06:22

Isolation of High Quality Murine Atrial and Ventricular Myocytes for Simultaneous Measurements of Ca2+ Transients and L-Type Calcium Current

Published on: November 3, 2020

3.8K

Related Experiment Videos

Last Updated: Feb 5, 2026

Fibroblast Derived Human Engineered Connective Tissue for Screening Applications
09:50

Fibroblast Derived Human Engineered Connective Tissue for Screening Applications

Published on: August 20, 2021

4.1K
Single-Cell Optical Action Potential Measurement in Human Induced Pluripotent Stem Cell-Derived Cardiomyocytes
08:39

Single-Cell Optical Action Potential Measurement in Human Induced Pluripotent Stem Cell-Derived Cardiomyocytes

Published on: December 22, 2020

4.7K
Isolation of High Quality Murine Atrial and Ventricular Myocytes for Simultaneous Measurements of Ca2+ Transients and L-Type Calcium Current
06:22

Isolation of High Quality Murine Atrial and Ventricular Myocytes for Simultaneous Measurements of Ca2+ Transients and L-Type Calcium Current

Published on: November 3, 2020

3.8K

Area of Science:

  • Entomology
  • Molecular Biology
  • Neuroscience

Background:

  • Sexual communication in Lepidoptera relies on pheromones and specific pheromone receptors (PRs).
  • Three closely related species, Helicoverpa armigera, H. assulta, and Heliothis virescens (Noctuidae), serve as a model for studying species isolation.
  • Previous studies identified multiple PRs in these moth species.

Purpose of the Study:

  • To investigate the functional conservation and divergence of specific pheromone receptors (OR6, OR13, OR16) across three closely related moth species.
  • To elucidate the molecular mechanisms underlying sexual communication and species isolation in Lepidoptera.

Main Methods:

  • Functional assays using an in vitro Xenopus oocytes system.
  • In vivo functional assays employing a transgenic fly system.
  • Integration of data with existing behavioral and electrophysiological findings.

Main Results:

  • The pheromone receptor OR13 demonstrated highly conserved function across the studied species.
  • Pheromone receptors OR6 and OR16 exhibited significant functional divergence.
  • Assays in both Xenopus oocytes and transgenic flies yielded consistent results regarding receptor function.

Conclusions:

  • Functional divergence in specific pheromone receptors (OR6, OR16) contributes to species isolation in closely related Lepidoptera.
  • Conserved function in other receptors (OR13) highlights shared evolutionary pathways in sexual communication.
  • These findings provide crucial neuronal and molecular insights into the sexual communication systems of moths.