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

Synteny and Evolution02:31

Synteny and Evolution

3.1K
John H. Renwick first coined the term “synteny” in 1971, which refers to the genes present on the same chromosomes, even if they are not genetically linked. The species with common ancestry tend to show conserved syntenic regions. Therefore, the concept of synteny is nowadays used to describe the evolutionary relationship between species.
Around 80 million years ago, the human and mice lineages diverged from the common ancestor. During the course of evolution, the ancestral...
3.1K
Convergent Evolution01:54

Convergent Evolution

27.1K
Evolution shapes the features of organisms over time, ensuring that they are suited for the environments in which they live. Sometimes, selection pressure leads to the rise of similar but unrelated adaptations in organisms with no recent common ancestors, a process known as convergent evolution.
27.1K
Multi-species Conserved Sequences02:51

Multi-species Conserved Sequences

3.8K
Next-generation sequencing technologies have created large genomic databases of a variety of animals and plants. Ever since the human genome project was completed, scientists studied the genome of primates, mammals, and other phylogenetically distant living beings. Such large-scale  studies have provided new insights into the evolutionary relationship between organisms.
Although the genome of each species varies greatly from each other, a few sequences are highly conserved. Such conserved...
3.8K
Gene Duplication and Divergence02:37

Gene Duplication and Divergence

6.0K
The seminal work of Ohno in 1970 popularized the idea of gene duplication and divergence. DNA sequence comparison studies reveal that a large portion of the genes in bacteria, archaebacteria, and eukaryotes was  generated by gene duplication and divergence, indicating its critical role in evolution.
The duplicated copies of the gene are called Paralogs. Paralogs with similar sequences and functions form a gene family. Across several species, a large number of gene families are...
6.0K
Speciation Rates01:07

Speciation Rates

20.7K
Overview
20.7K
Formation of Species01:31

Formation of Species

38.6K
Speciation describes the formation of one or more new species from one or sometimes multiple original species. The resulting species are discrete from the parent species, and barriers to reproduction will typically exist. There are two primary mechanisms, speciation with and without geographic isolation—allopatric and sympatric speciation, respectively.
38.6K

You might also read

Related Articles

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

Sort by
Same author

The synaptonemal complex component corolla regulates meiotic crossover formation in Drosophila melanogaster.

Chromosoma·2025
Same author

Patterns of crossover distribution in Drosophila mauritiana necessitate a re-thinking of the centromere effect on crossing over.

Genetics·2025
Same author

A systematic review and behaviour change technique analysis of remotely delivered alcohol and/or substance misuse interventions for adults.

Drug and alcohol dependence·2022
Same author

How Does the Understanding, Experience, and Enactment of Self-Regulation Behaviour Change Techniques Vary with Age? A Thematic Analysis.

Applied psychology. Health and well-being·2020
Same author

Enlarging Plexiform Tumor in a Pregnant Patient with Neurofibromatosis Type One.

Cureus·2018
Same author

What are the most effective techniques in changing obese individuals' physical activity self-efficacy and behaviour: a systematic review and meta-analysis.

The international journal of behavioral nutrition and physical activity·2013

Related Experiment Video

Updated: May 11, 2025

Super-Resolution Microscopy of the Synaptonemal Complex Within the Caenorhabditis elegans Germline
09:14

Super-Resolution Microscopy of the Synaptonemal Complex Within the Caenorhabditis elegans Germline

Published on: September 13, 2022

2.5K

From conservation to adaptation: understanding the synaptonemal complex's evolutionary dynamics.

Stefanie Williams1, Robin Scott Hawley1

  • 1Stowers Institute for Medical Research, Kansas City, Missouri, United States.

Current Opinion in Genetics & Development
|April 18, 2025
PubMed
Summary

The synaptonemal complex (SC), crucial for meiosis, shows conserved structure but diverse protein evolution across eukaryotes. Studying SC evolution and novel functions aids understanding of its fundamental roles.

More Related Videos

Microinjection for Transgenesis and Genome Editing in Threespine Sticklebacks
08:51

Microinjection for Transgenesis and Genome Editing in Threespine Sticklebacks

Published on: May 13, 2016

13.9K
In Situ Hybridization Techniques for Paraffin-Embedded Adult Coral Samples
07:24

In Situ Hybridization Techniques for Paraffin-Embedded Adult Coral Samples

Published on: August 31, 2018

7.0K

Related Experiment Videos

Last Updated: May 11, 2025

Super-Resolution Microscopy of the Synaptonemal Complex Within the Caenorhabditis elegans Germline
09:14

Super-Resolution Microscopy of the Synaptonemal Complex Within the Caenorhabditis elegans Germline

Published on: September 13, 2022

2.5K
Microinjection for Transgenesis and Genome Editing in Threespine Sticklebacks
08:51

Microinjection for Transgenesis and Genome Editing in Threespine Sticklebacks

Published on: May 13, 2016

13.9K
In Situ Hybridization Techniques for Paraffin-Embedded Adult Coral Samples
07:24

In Situ Hybridization Techniques for Paraffin-Embedded Adult Coral Samples

Published on: August 31, 2018

7.0K

Area of Science:

  • * Molecular Biology
  • * Evolutionary Biology
  • * Genetics

Background:

  • * The synaptonemal complex (SC) is a conserved structure vital for accurate meiosis across eukaryotic organisms.
  • * Despite structural conservation, the protein components of the SC exhibit significant sequence divergence among different species.
  • * Understanding SC protein evolution is key to deciphering the mechanisms of meiosis.

Purpose of the Study:

  • * To review current findings on the evolutionary trajectories of synaptonemal complex proteins.
  • * To highlight conserved and divergent features of SC proteins in various eukaryotic lineages, such as Caenorhabditis and Drosophila.
  • * To explore non-canonical functions of SC proteins and their implications for canonical SC biology.

Main Methods:

  • * Literature review and synthesis of existing research on synaptonemal complex protein evolution.
  • * Comparative analysis of SC protein sequences and structures across diverse eukaryotic genera.
  • * Examination of functional studies investigating novel roles of SC components.

Main Results:

  • * Synaptonemal complex proteins display rapid evolution in sequence despite conserved overall structure.
  • * Key differences and commonalities in SC protein evolution are observed between model organisms like Caenorhabditis and Drosophila.
  • * Non-canonical functions of SC proteins have been identified, offering new perspectives on SC biology.

Conclusions:

  • * Evolutionary studies of SC proteins are crucial for understanding SC structure and function.
  • * Investigating diverse meiotic organisms and novel SC functions will enhance our comprehension of meiosis.
  • * Integrating evolutionary and functional data is essential for a comprehensive view of the synaptonemal complex.