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

Genetics of Speciation02:16

Genetics of Speciation

Speciation is the evolutionary process resulting in the formation of new, distinct species—groups of reproductively isolated populations.The genetics of speciation involves the different traits or isolating mechanisms preventing gene exchange, leading to reproductive isolation. Reproductive isolation can be due to reproductive barriers that have effects either before or after the formation of a zygote. Pre-zygotic mechanisms prevent fertilization from occurring, and post-zygotic mechanisms...
Genetic Variation01:25

Genetic Variation

Genetic variation is the diversity in DNA sequences found among individuals of the same species. This diversity is crucial for a species' survival because it helps organisms adapt to environmental changes. Genetic variation begins with fertilization, where an egg and sperm cell merge. Each of these cells carries 23 chromosomes, up to 46 in the fertilized egg. Chromosomes are long DNA strands that contain genes, the basic units of heredity.
Genes exist in different versions called alleles, which...
Mutation, Gene Flow, and Genetic Drift01:09

Mutation, Gene Flow, and Genetic Drift

In a population that is not at Hardy-Weinberg equilibrium, the frequency of alleles changes over time. Therefore, any deviations from the five conditions of Hardy-Weinberg equilibrium can alter the genetic variation of a given population. Conditions that change the genetic variability of a population include mutations, natural selection, non-random mating, gene flow, and genetic drift (small population size).Mechanisms of Genetic VariationThe original sources of genetic variation are mutations,...
Nondisjunction01:21

Nondisjunction

Nondisjunction is the failure of homologous chromosomes or sister chromatids to separate correctly and move to the opposite poles of the cells. This produces daughter cells with abnormal chromosome numbers.  Nondisjunction is common during anaphase I or anaphase II of meiosis.  Mutations in synaptonemal complex proteins that attach homologous chromosomes increase the chances of nondisjunction in anaphase I of meiosis I. In contrast, mutations in topoisomerases and condensins that hold sister...
The Angiosperm Life Cycle02:39

The Angiosperm Life Cycle

Plants have a life cycle split between two multicellular stages: a haploid stage—with cells containing one set of chromosomes—and a diploid stage—with cells containing two sets of chromosomes. The haploid stage is the gamete-producing gametophyte, and the diploid stage is the spore-producing sporophyte.
Evolution of New Traits in Microbes01:24

Evolution of New Traits in Microbes

Microorganisms evolve rapidly due to their large population sizes and short generation times, often exhibiting measurable changes within days under laboratory conditions. Natural selection acts on standing genetic variation, enabling the retention and amplification of beneficial traits that confer fitness advantages in changing environments.Adaptive Pigment Regulation in RhodobacterIn Rhodobacter, a genus of purple non-sulfur bacteria, light-harvesting pigments such as bacteriochlorophyll and...

You might also read

Related Articles

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

Sort by
Same author

Identification of phenotypic and transcriptomic signatures underpinning maize crown root systems.

Plant phenomics (Washington, D.C.)·2025
Same author

Interplay between auxin and abiotic stresses in maize.

Journal of experimental botany·2025
Same author

Quantitative proteomics reveals extensive lysine ubiquitination and transcription factor stability states in Arabidopsis.

The Plant cell·2024
Same author

The Rolled Towel Method for Hormone Response Assays in Maize.

Cold Spring Harbor protocols·2024
Same author

Exogenous Hormone Treatments in Maize.

Cold Spring Harbor protocols·2024
Same author

ZmPILS6 is an auxin efflux carrier required for maize root morphogenesis.

Proceedings of the National Academy of Sciences of the United States of America·2024
Same journal

2nd International Apomixis Conference (AP02001) at Como, Italy, 24-28 April 2001.

Sexual plant reproduction·2014
Same journal

Parthenogenetic egg cells of wheat: cellular and molecular studies.

Sexual plant reproduction·2014
Same journal

Analysis of gene expression during flowering in apomeiotic mutants of Medicago spp.: cloning of ESTs and candidate genes for 2n eggs.

Sexual plant reproduction·2014
Same journal

Strategies for isolating mutants in Hieracium with dysfunctional apomixis.

Sexual plant reproduction·2014
Same journal

Tripsacum dactyloides (Poaceae): a natural model system to study parthenogenesis.

Sexual plant reproduction·2014
Same journal

Apospory and parthenogenesis may be uncoupled in Poa pratensis: a cytological investigation.

Sexual plant reproduction·2014
See all related articles

Related Experiment Video

Updated: Jun 17, 2026

An Efficient Method for Quantitative, Single-cell Analysis of Chromatin Modification and Nuclear Architecture in Whole-mount Ovules in Arabidopsis
09:33

An Efficient Method for Quantitative, Single-cell Analysis of Chromatin Modification and Nuclear Architecture in Whole-mount Ovules in Arabidopsis

Published on: June 19, 2014

Ovule development: genetic trends and evolutionary considerations.

Dior R Kelley1, Charles S Gasser

  • 1Department of Molecular and Cellular Biology, University of California, Davis, CA 95616, USA.

Sexual Plant Reproduction
|December 25, 2009
PubMed
Summary
This summary is machine-generated.

Arabidopsis ovule development research reveals shared genetic factors controlling organ formation, supporting leaf homology. Scientists now explore diverse species to find common and distinct developmental mechanisms.

Keywords:
Evo-devoIntegumentKANADIOvule developmentOvule evolutionPolarityYABBY

More Related Videos

Whole-mount Clearing and Staining of Arabidopsis Flower Organs and Siliques
09:17

Whole-mount Clearing and Staining of Arabidopsis Flower Organs and Siliques

Published on: April 12, 2018

Analysis of Chromosome Segregation, Histone Acetylation, and Spindle Morphology in Horse Oocytes
12:11

Analysis of Chromosome Segregation, Histone Acetylation, and Spindle Morphology in Horse Oocytes

Published on: May 11, 2017

Related Experiment Videos

Last Updated: Jun 17, 2026

An Efficient Method for Quantitative, Single-cell Analysis of Chromatin Modification and Nuclear Architecture in Whole-mount Ovules in Arabidopsis
09:33

An Efficient Method for Quantitative, Single-cell Analysis of Chromatin Modification and Nuclear Architecture in Whole-mount Ovules in Arabidopsis

Published on: June 19, 2014

Whole-mount Clearing and Staining of Arabidopsis Flower Organs and Siliques
09:17

Whole-mount Clearing and Staining of Arabidopsis Flower Organs and Siliques

Published on: April 12, 2018

Analysis of Chromosome Segregation, Histone Acetylation, and Spindle Morphology in Horse Oocytes
12:11

Analysis of Chromosome Segregation, Histone Acetylation, and Spindle Morphology in Horse Oocytes

Published on: May 11, 2017

Area of Science:

  • Plant developmental biology
  • Evolutionary botany
  • Molecular genetics

Background:

  • Arabidopsis thaliana is a model organism for studying flowering plant ovule development.
  • Arabidopsis ovules are bitegmic and anatropous, common and ancestral forms in angiosperms.
  • Existing research suggests shared genetic controls for ovule and vegetative organ development.

Purpose of the Study:

  • To investigate the genetic and molecular mechanisms underlying ovule development.
  • To explore conserved and divergent pathways of ovule morphogenesis across angiosperm taxa.
  • To test hypotheses of homology between ovule integuments and leaves.

Main Methods:

  • Genetic and molecular studies in Arabidopsis thaliana.
  • Comparative analyses across diverse plant species with varied ovule morphologies.
  • Investigating key genetic determinants of morphogenesis.

Main Results:

  • Key genetic factors controlling ovule morphogenesis are also involved in vegetative organ formation.
  • Evidence supports common genetic factors underlying laminar growth in angiosperms.
  • This aligns with the concept of homology between integuments and leaves.

Conclusions:

  • Ovule development shares genetic underpinnings with vegetative organogenesis.
  • Arabidopsis serves as a crucial reference for understanding broader angiosperm ovule evolution.
  • Further research on diverse taxa will elucidate conserved and novel mechanisms in plant reproduction.