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When the fitness of a trait is influenced by how common it is (i.e., its frequency) relative to different traits within a population, this is referred to as frequency-dependent selection. Frequency-dependent selection may occur between species or within a single species. This type of selection can either be positive—with more common phenotypes having higher fitness—or negative, with rarer phenotypes conferring increased fitness.

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Related Experiment Video

Updated: Jan 24, 2026

An Efficient Method for Adenovirus Production

An Efficient Method for Adenovirus Production

Published on: June 10, 2021

Encounters with adenovirus.

Ulf Pettersson¹

¹a Department of Immunology, Genetics and Pathology , Uppsala University , Uppsala , Sweden.

Upsala Journal of Medical Sciences

|May 31, 2019

Summary

This research explores human adenoviruses, detailing historical work and modern

Area of Science:

Virology
Molecular Biology
Cellular Biology

Background:

Human adenoviruses are a significant group of viruses with diverse impacts.
Understanding viral replication mechanisms is crucial for developing antiviral strategies.

Observation:

Adenovirus infection triggers significant cellular reprogramming.
This reprogramming enhances the virus's ability to multiply within host cells.

Findings:

The study reviews historical research on human adenoviruses.
'Omics' technologies reveal how infected cells are altered to favor virus multiplication.

Implications:

Insights into adenovirus-host interactions can guide therapeutic development.

Keywords:

Adenovirus proteomics transcriptomics

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