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

Causes of Similarity-Dissimilarity Effect01:26

Causes of Similarity-Dissimilarity Effect

260
The similarity-dissimilarity effect, a fundamental concept in social psychology, explains how interpersonal similarities and differences influence attraction and social interactions. This effect is supported by three key psychological perspectives: balance theory, social comparison theory, and consensual validation.Balance Theory and Cognitive ConsistencyBalance theory, developed by Fritz Heider, posits that individuals seek cognitive consistency in their relationships. When two people share...
260
Half-life of a Reaction02:42

Half-life of a Reaction

38.9K
The half-life of a reaction (t1/2) is the time required for one-half of a given amount of reactant to be consumed. In each succeeding half-life, half of the remaining concentration of the reactant is consumed. For example, during the decomposition of hydrogen peroxide, during the first half-life (from 0.00 hours to 6.00 hours), the concentration of H2O2 decreases from 1.000 M to 0.500 M. During the second half-life (from 6.00 hours to 12.00 hours), the concentration decreases from 0.500 M to...
38.9K
Characteristics of Life01:23

Characteristics of Life

261.0K
Biology is a natural science that studies life and living organisms, including their structure, function, development, interactions, evolution, distribution, and taxonomy. The field's scope is extensive and divided into several specialized disciplines, such as anatomy, physiology, ethology, genetics, and many more. All living things share a few key traits, including cellular organization, heritable genetic material and the ability to adapt/evolve, metabolism to regulate energy needs, the...
261.0K
The Tree of Life - Bacteria, Archaea, Eukaryotes02:40

The Tree of Life - Bacteria, Archaea, Eukaryotes

38.4K
The “tree of life” describes the evolution of life and the evolutionary relationships between organisms. The root of the tree is the common ancestor to all life on Earth. All other species radiate from this point, much like the branches of a tree. The numerous tips of these branches on the tree of life represent every living, or extant, species. Extinct species, which are species that no longer exist, can be found towards the center of the tree. Currently, these organisms, both...
38.4K
Factors Influencing Attraction III: Similarity01:23

Factors Influencing Attraction III: Similarity

757
The similarity hypothesis suggests that individuals are more likely to form relationships with others who share similar attitudes, beliefs, values, and interests. This concept has been widely studied in social psychology, demonstrating that perceived similarity fosters interpersonal attraction. In an experiment supporting this hypothesis, participants were presented with fabricated information indicating that strangers held attitudes similar to their own. The results showed that participants...
757
The Angiosperm Life Cycle02:39

The Angiosperm Life Cycle

72.4K
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.
72.4K

You might also read

Related Articles

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

Sort by
Same author

GrassSV - hybrid method to detect structural variants in high throughput DNA-seq data.

PLoS computational biology·2026
Same author

miRNA gene mutations commonly disrupt the proper functioning of miRNA genes.

Science advances·2026
Same author

The role of gut mycobiome in responses to cancer immunotherapy.

Gut microbes·2025
Same author

Whole-miRNome sequencing: a panel for the targeted sequencing of all human miRNA genes.

Nucleic acids research·2025
Same author

ProProtein: A platform for fully automated identification of 3D structure fluctuations in MD simulation trajectories.

PloS one·2025
Same author

Evidence Generation for a Host-Response Biosignature of Respiratory Disease.

Viruses·2025

Related Experiment Video

Updated: Jan 31, 2026

Optimization for Sequencing and Analysis of Degraded FFPE-RNA Samples
07:30

Optimization for Sequencing and Analysis of Degraded FFPE-RNA Samples

Published on: June 8, 2020

12.8K

Detecting life signatures with RNA sequence similarity measures.

Szymon Wasik1, Natalia Szostak1, Mateusz Kudla2

  • 1Institute of Computing Science, Poznan University of Technology, Poznan, Poland; Institute of Bioorganic Chemistry, Polish Academy of Sciences, Poznan, Poland; European Centre for Bioinformatics and Genomics, Poznan, Poland.

Journal of Theoretical Biology
|December 19, 2018
PubMed
Summary

This study introduces computational "life probes" using normalized compression distance and Levenshtein distance to identify biological genetic sequences. These probes effectively detect life signatures in short RNA fragments, supporting the RNA World hypothesis.

Keywords:
CompressionEdit distanceGenetic sequenceNormalized compression distanceRNA World,

More Related Videos

Rare Event Detection Using Error-corrected DNA and RNA Sequencing
10:36

Rare Event Detection Using Error-corrected DNA and RNA Sequencing

Published on: August 3, 2018

12.6K
Detection of miRNA Targets in High-throughput Using the 3'LIFE Assay
12:49

Detection of miRNA Targets in High-throughput Using the 3'LIFE Assay

Published on: May 25, 2015

10.5K

Related Experiment Videos

Last Updated: Jan 31, 2026

Optimization for Sequencing and Analysis of Degraded FFPE-RNA Samples
07:30

Optimization for Sequencing and Analysis of Degraded FFPE-RNA Samples

Published on: June 8, 2020

12.8K
Rare Event Detection Using Error-corrected DNA and RNA Sequencing
10:36

Rare Event Detection Using Error-corrected DNA and RNA Sequencing

Published on: August 3, 2018

12.6K
Detection of miRNA Targets in High-throughput Using the 3'LIFE Assay
12:49

Detection of miRNA Targets in High-throughput Using the 3'LIFE Assay

Published on: May 25, 2015

10.5K

Area of Science:

  • Origin of Life studies
  • Computational Biology
  • Astrobiology

Background:

  • The RNA World hypothesis is a leading theory for life's origins.
  • Verifying hypothetical ancient genetic sequences as biological is challenging.
  • Computer simulations are increasingly used to study early life.

Purpose of the Study:

  • To develop computational 'life probes' for identifying biological genetic sequences.
  • To assess the sensitivity of these probes to life's signatures.
  • To validate methods within the context of the RNA World hypothesis.

Main Methods:

  • Decision algorithms based on Normalized Compression Distance (NCD).
  • Decision algorithms based on Levenshtein Distance (LD).
  • Validation using short genetic sequences (<100 nucleotides).

Main Results:

  • Both NCD and LD successfully constructed effective 'life probes'.
  • Probes significantly outperformed random decision procedures.
  • Replication-related RNA fragments showed stronger discriminatory power.

Conclusions:

  • Computational 'life probes' can effectively detect signatures of life in short RNA samples.
  • Simple computational methods can identify biological characteristics in genetic sequences.
  • Findings support the plausibility of the RNA World hypothesis.