Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Life Histories

Life Histories

Evolutionary Relationships through Genome Comparisons

Evolutionary Relationships through Genome Comparisons

Genome comparison is one of the excellent ways to interpret the evolutionary relationships between organisms. The basic principle of genome comparison is that if two species share a common feature, it is likely encoded by the DNA sequence conserved between both species. The advent of genome sequencing technologies in the late 20th century enabled scientists to understand the concept of conservation of domains between species and helped them to deduce evolutionary relationships across diverse...

Gene Evolution - Fast or Slow?

Gene Evolution - Fast or Slow?

The genomes of eukaryotes are punctuated by long stretches of sequence which do not code for proteins or RNAs. Although some of these regions do contain crucial regulatory sequences, the vast majority of this DNA serves no known function. Typically, these regions of the genome are the ones in which the fastest change, in evolutionary terms, is observed, because there is typically little to no selection pressure acting on these regions to preserve their sequences.
In contrast, regions which code...

Survival Tree

Survival Tree

Survival trees are a non-parametric method used in survival analysis to model the relationship between a set of covariates and the time until an event of interest occurs, often referred to as the "time-to-event" or "survival time." This method is particularly useful when dealing with censored data, where the event has not occurred for some individuals by the end of the study period, or when the exact time of the event is unknown.
Building a Survival Tree
Constructing a...

Limits to Natural Selection

Limits to Natural Selection

Organisms that are well-adapted to their environment are more likely to survive and reproduce. However, natural selection does not lead to perfectly adapted organisms. Several factors constrain natural selection.

Phylogenetic Trees

Phylogenetic Trees

Phylogenetic trees come in many forms. It matters in which sequence the organisms are arranged from the bottom to the top of the tree, but the branches can rotate at their nodes without altering the information. The lines connecting individual nodes can be straight, angled, or even curved.

You might also read

Related Articles

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

Sort by

Same author

Supramolecular Anchoring of Charge-Asymmetric COF Interfaces to Regulate Ion Rectification for Monolithic Flexible Supercapacitors.

Nano letters·2026

Same author

Age-dependent epigenetic control of flavonoid metabolism underlies chemical defenses in ancient Ginkgo biloba.

The Plant cell·2026

Same author

Proteomic maps of synapses and synaptic vesicles across the central and enteric nervous systems.

Communications biology·2026

Same author

The Therapeutic Potential of Mesenchymal Stem Cells in Post-Stroke Depression.

International journal of molecular sciences·2026

Same author

Establishment of a Genetic Transformation System for <i>Hippophae gyantsensis</i> and the Regulatory Role of <i>Hgfw2.2</i> and <i>Hgfw3.2</i> in Fruit Size.

Plants (Basel, Switzerland)·2026

Same author

Revealing the genetic regulation of wood traits and secondary cell wall development in <i>Ginkgo biloba</i>: an integrated analysis from the perspectives of GWAS, TWAS, and WGCNA.

Horticulture research·2026

Search research articles

Related Experiment Video

Updated: Jun 13, 2025

A Suppressor Screen for the Characterization of Genetic Links Regulating Chronological Lifespan in Saccharomyces cerevisiae

A Suppressor Screen for the Characterization of Genetic Links Regulating Chronological Lifespan in Saccharomyces cerevisiae

Published on: September 17, 2020

Tree Longevity: Multifaceted Genetic Strategies and Beyond.

Sian Liu¹, Huimin Xu², Guibin Wang³

¹College of Horticulture and Landscape, Yangzhou University, Yangzhou, China.

Plant, Cell & Environment

|September 10, 2024

Summary

Old trees hold secrets to longevity, acting as climate recordkeepers. Research reveals their survival relies on physiological traits, stem cell activity, and a genetic

Keywords:

DNA methylation R genes secondary metabolites stem cells

More Related Videos

Measurement of Lifespan in Drosophila melanogaster

Measurement of Lifespan in Drosophila melanogaster

Published on: January 7, 2013

Surveying Low-Cost Methods to Measure Lifespan and Healthspan in Caenorhabditis elegans

Surveying Low-Cost Methods to Measure Lifespan and Healthspan in Caenorhabditis elegans

Published on: May 18, 2022

Related Experiment Videos

Last Updated: Jun 13, 2025

A Suppressor Screen for the Characterization of Genetic Links Regulating Chronological Lifespan in Saccharomyces cerevisiae

A Suppressor Screen for the Characterization of Genetic Links Regulating Chronological Lifespan in Saccharomyces cerevisiae

Published on: September 17, 2020

Measurement of Lifespan in Drosophila melanogaster

Measurement of Lifespan in Drosophila melanogaster

Published on: January 7, 2013

Surveying Low-Cost Methods to Measure Lifespan and Healthspan in Caenorhabditis elegans

Surveying Low-Cost Methods to Measure Lifespan and Healthspan in Caenorhabditis elegans

Published on: May 18, 2022

Area of Science:

Arboriculture
Genetics
Ecology

Background:

Old trees are vital climate and genetic resources, yet the mechanisms of their longevity remain largely unknown.
Studying ancient trees is challenging due to their size, slow growth, long lifespan, and remote habitats.
Recent advances in genomics and cellular biology offer new avenues to investigate tree aging.

Purpose of the Study:

To review the global distribution of old trees and the factors influencing their presence.
To summarize current knowledge on the physiological, cellular, and genetic underpinnings of tree longevity.
To identify key areas for future research into arboreal longevity.

Main Methods:

Review of existing literature on old trees, including their distribution, environmental factors, and physiological characteristics.
Analysis of recent genomic data from long-lived tree species.
Examination of research on stem cell function, secondary metabolites, and immune responses in relation to longevity.

Main Results:

Old tree distribution is shaped by environmental and anthropogenic factors.
Physiological traits, stem cell activity, and immune responses contribute significantly to longevity.
The 'longevity code' involves specific resistance, defense, and DNA repair genes, alongside DNA methylation patterns.

Conclusions:

Understanding tree longevity requires integrating ecological, physiological, and genetic perspectives.
Further research into the genetic and epigenetic factors is crucial for unlocking the secrets of exceptionally long-lived trees.
This knowledge can inform conservation strategies and potentially inspire strategies for extending plant lifespan.