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

Plant Breeding and Biotechnology01:59

Plant Breeding and Biotechnology

21.9K
Crop cultivation has a long history in human civilization, with records showing the cultivation of cereal plants beginning at around 8000 BC. This early plant breeding was developed primarily to provide a steady supply of food.
21.9K
What is Natural Selection?01:32

What is Natural Selection?

130.5K
Natural selection is an evolutionary process in which individuals with survival-promoting traits reproduce at higher rates. These favorable traits become more common within a population or species. Naturally selected traits initially arise via random genetic mutations. In order for selection to occur, there must be variation within a population, the trait controlling the variation must be heritable, and there must be an evolutionary advantage for variation in the trait.
130.5K
Gene Flow02:39

Gene Flow

38.2K
Gene flow is the transfer of genes among populations, resulting from either the dispersal of gametes or from the migration of individuals.
38.2K
Evolutionary Psychology01:20

Evolutionary Psychology

1.1K
Evolutionary psychology explores the origins of human behavior and mental processes by framing them within the context of natural selection, a theory famously propounded by Charles Darwin. This field asserts that many behaviors common across human societies — ranging from instinctive fear reactions to complex social interactions — arose as evolutionary adaptations. These adaptations enhanced the survival and reproductive success of our ancestors, thereby becoming embedded in the...
1.1K
Genetics of Speciation02:16

Genetics of Speciation

22.1K
Speciation is the evolutionary process resulting in the formation of new, distinct species—groups of reproductively isolated populations.
22.1K
Types of Selection01:46

Types of Selection

45.4K
Natural selection influences the frequencies of particular alleles and phenotypes within populations in several different ways. Primarily, natural selection can be directional, stabilizing, or disruptive. Directional selection favors one extreme trait and shifts the population towards that phenotype while selecting against individuals displaying alternate traits. Stabilizing selection favors an intermediate trait with a narrow range of variation. Deviation from the optimal phenotype towards an...
45.4K

You might also read

Related Articles

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

Sort by
Same author

C<sub>4</sub> photosynthetic anatomy is associated with higher leaf hydraulic conductance and capacitance in Alloteropsis semialata.

The New phytologist·2026
Same author

Cold Origins Limit the Establishment of Northern Temperate Plants in the Southern Hemisphere.

Systematic biology·2026
Same author

Tropical insect biodiversity loss from forest-pasture conversion is substantially underestimated across spatial scales.

Current biology : CB·2026
Same author

Demographic causes and social consequences of adult sex ratio variation.

Nature communications·2026
Same author

Nine changes needed to deliver a radical transformation in biodiversity measurement.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same author

From data to decisions: Toward a Biodiversity Monitoring Standards Framework.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same journal

Pitch selectivity in ferret auditory cortex.

Current biology : CB·2026
Same journal

A cell size-dependent competition between geometry and polarity governs nuclear and spindle positioning in early embryos.

Current biology : CB·2026
Same journal

Trophic cascades drive sustainability in the agricultural heritage rice-fish coculture system.

Current biology : CB·2026
Same journal

Tracking Satb2-positive retinal ganglion cells in zebrafish unveils developmental functional reorganization.

Current biology : CB·2026
Same journal

RhoGAP54D promotes cell size asymmetry and inhibits pulsatile myosin activity in Drosophila neural stem cells.

Current biology : CB·2026
Same journal

Increased rates of hybridization in swordtails are associated with water pollution.

Current biology : CB·2026
See all related articles

Related Experiment Video

Updated: Feb 22, 2026

Development of Targeting Induced Local Lesions IN Genomes TILLING Populations in Small Grain Crops by Ethyl Methanesulfonate Mutagenesis
08:36

Development of Targeting Induced Local Lesions IN Genomes TILLING Populations in Small Grain Crops by Ethyl Methanesulfonate Mutagenesis

Published on: July 16, 2019

12.3K

Evolution of competitiveness during wheat domestication.

Yixiang Shan1, Alicia Gómez-Fernández2, Jochem Evers3

  • 1Plants, Photosynthesis and Soil, School of Biosciences, University of Sheffield, Western Bank, Sheffield S10 2TN, UK.

Current Biology : CB
|February 20, 2026
PubMed
Summary
This summary is machine-generated.

Competition drove wheat domestication, enhancing traits like larger leaves for better resource competition. Modern breeding has reversed this, selecting for weaker competition in elite wheat varieties.

Keywords:
Timopheevcompetitioncropdomesticationdurumeinkornemmerevolutionunintentional selectionwheat

More Related Videos

Author Spotlight: Streamlining Rice Breeding with CRISPR/Cas for Obtaining Optimal Phenotypic and Agronomic Traits
09:43

Author Spotlight: Streamlining Rice Breeding with CRISPR/Cas for Obtaining Optimal Phenotypic and Agronomic Traits

Published on: January 3, 2025

3.5K
Daily Transfers, Archiving Populations, and Measuring Fitness in the Long-Term Evolution Experiment with Escherichia coli
15:00

Daily Transfers, Archiving Populations, and Measuring Fitness in the Long-Term Evolution Experiment with Escherichia coli

Published on: August 18, 2023

4.4K

Related Experiment Videos

Last Updated: Feb 22, 2026

Development of Targeting Induced Local Lesions IN Genomes TILLING Populations in Small Grain Crops by Ethyl Methanesulfonate Mutagenesis
08:36

Development of Targeting Induced Local Lesions IN Genomes TILLING Populations in Small Grain Crops by Ethyl Methanesulfonate Mutagenesis

Published on: July 16, 2019

12.3K
Author Spotlight: Streamlining Rice Breeding with CRISPR/Cas for Obtaining Optimal Phenotypic and Agronomic Traits
09:43

Author Spotlight: Streamlining Rice Breeding with CRISPR/Cas for Obtaining Optimal Phenotypic and Agronomic Traits

Published on: January 3, 2025

3.5K
Daily Transfers, Archiving Populations, and Measuring Fitness in the Long-Term Evolution Experiment with Escherichia coli
15:00

Daily Transfers, Archiving Populations, and Measuring Fitness in the Long-Term Evolution Experiment with Escherichia coli

Published on: August 18, 2023

4.4K

Area of Science:

  • Evolutionary biology
  • Plant science
  • Agricultural science

Background:

  • Crop domestication involves adapting wild plants for human use, but selection mechanisms are not fully understood.
  • Domestication occurred over long periods, suggesting co-evolutionary processes.
  • Competition is a proposed, yet unproven, unintentional mechanism driving seed enlargement and other domestication traits.

Purpose of the Study:

  • To test if cultivation selected for increased competitive ability in wheat during domestication.
  • To investigate the evolutionary trajectory of competitive ability from wild to landrace and modern elite wheat.

Main Methods:

  • Real and virtual experiments comparing competitive abilities of wild, landrace, and elite wheat varieties.
  • Analysis of plant traits like leaf size, erectness, apical dominance, and internode length.
  • Computer simulations to model the effects of competition on wheat architecture and competitiveness.

Main Results:

  • Domesticated wheat landraces exhibited stronger competitive abilities than their wild ancestors across three independent domestication events.
  • Increased competitiveness in landraces was linked to larger, more erect leaves and greater apical dominance.
  • Modern wheat breeding has reduced competitive ability, associated with smaller leaves and shorter internodes, indicating a reversal of domestication selection.

Conclusions:

  • Competition played a significant role in selecting for traits related to wheat canopy growth and architecture during domestication.
  • The competitive landrace phenotype is largely unsuitable for modern agricultural practices.
  • Understanding these historical selection pressures offers insights into crop evolution and breeding strategies.