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Related Concept Videos

Longitudinal Research02:20

Longitudinal Research

Sometimes we want to see how people change over time, as in studies of human development and lifespan. When we test the same group of individuals repeatedly over an extended period of time, we are conducting longitudinal research. Longitudinal research is a research design in which data-gathering is administered repeatedly over an extended period of time. For example, we may survey a group of individuals about their dietary habits at age 20, retest them a decade later at age 30, and then again...
Human Genetics01:28

Human Genetics

Human genetics provides a profound framework for understanding the interplay between genetic predispositions and human psychology. At the heart of this discipline lies the study of how genes influence physical traits, behaviors, and susceptibility to diseases. Each person carries a unique genetic code that subtly or significantly shapes their psychological and behavioral landscape.
The complex relationship between genetics and psychology is observable through common biological components such...
Principles of Pharmacogenetics: Types of Genetic Variants01:27

Principles of Pharmacogenetics: Types of Genetic Variants

The human genome is over 99.9% identical between individuals, yet genetic differences exist at millions of bases. The human genome contains approximately 3 million variant positions per individual, many of which are heterozygous, contributing to genetic diversity and individual traits. Genetic variations include single-nucleotide polymorphisms (SNPs), insertions, deletions, and copy number variations (CNVs).SNPs, the most common variation, involve single-base changes in DNA. These can be...
Telomeres and Telomerase02:41

Telomeres and Telomerase

In eukaryotic DNA replication, a single-stranded DNA fragment remains at the end of a chromosome after the removal of the final primer. This section of DNA cannot be replicated in the same manner as the rest of the strand because there is no 3’ end to which the newly synthesized DNA can attach. This non-replicated fragment results in gradual loss of the chromosomal DNA during each cell duplication. Additionally, it can induce a DNA damage response by enzymes that recognize single-stranded DNA.
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...
Genome-wide Association Studies-GWAS01:11

Genome-wide Association Studies-GWAS

Genome-wide association studies or GWAS are used to identify whether common SNPs are associated with certain diseases. Suppose specific SNPs are more frequently observed in individuals with a particular disease than those without the disease. In that case, those SNPs are said to be associated with the disease. Chi-square analysis is performed to check the probability of the allele likely to be associated with the disease.
GWAS does not require the identification of the target gene involved in...

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Related Experiment Video

Updated: May 8, 2026

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

Published on: September 17, 2020

LongevityMap: a database of human genetic variants associated with longevity.

Arie Budovsky1, Thomas Craig, Jingwei Wang

  • 1The Shraga Segal Department of Microbiology, Immunology and Genetics, Center for Multidisciplinary Research on Aging, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel; Judea Regional Research and Development Center, Carmel 90404, Israel.

Trends in Genetics : TIG
|September 4, 2013
PubMed
Summary

Scientists created LongevityMap, a unique database detailing genes, loci, and variants linked to human longevity and healthy aging. This resource aids in understanding the genetic factors influencing a long and healthy life.

Keywords:
GWASageinggeneticshumanslifespanpolymorphisms

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Navigating MARRVEL, a Web-Based Tool that Integrates Human Genomics and Model Organism Genetics Information

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Area of Science:

  • Genetics
  • Gerontology
  • Bioinformatics

Background:

  • Understanding the genetic underpinnings of human longevity is crucial for developing interventions against age-related diseases.
  • Research into longevity genetics is complex, requiring comprehensive data integration.

Purpose of the Study:

  • To introduce LongevityMap, the first comprehensive database for genes, loci, and variants associated with human longevity and healthy aging.
  • To provide a centralized resource for researchers investigating the genetic basis of a long lifespan.

Main Methods:

  • Development of a specialized database, LongevityMap.
  • Curating and integrating genetic data related to human longevity and aging from various studies.

Main Results:

  • The LongevityMap database is now available, offering a unique collection of genetic information.
  • The database includes genes, loci, and variants studied in the context of human longevity and healthy aging.

Conclusions:

  • LongevityMap serves as a valuable tool for advancing the study of human longevity genetics.
  • The database facilitates research into life-extending interventions and treatments for age-related conditions.