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Related Concept Videos

Viruses of Archaea01:29

Viruses of Archaea

Archaeal viruses play a crucial role in the ecosystems of extremophilic archaea, particularly those belonging to the phyla Euryarchaeota and Crenarchaeota. By shaping host evolution and facilitating gene transfer, these viruses influence microbial communities and contribute to genetic diversity in extreme environments. The archaea they infect thrive in acidic hot springs and hydrothermal vents characterized by high temperatures and low pH. Archaeal viruses exhibit remarkable structural...

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Related Experiment Video

Updated: Jun 9, 2026

Metal-silicate Partitioning at High Pressure and Temperature: Experimental Methods and a Protocol to Suppress Highly Siderophile Element Inclusions
11:50

Metal-silicate Partitioning at High Pressure and Temperature: Experimental Methods and a Protocol to Suppress Highly Siderophile Element Inclusions

Published on: June 13, 2015

Virus silicification under simulated hot spring conditions.

James R Laidler1, Kenneth M Stedman

  • 1Biology Department and Center for Life in Extreme Environments, Portland State University, Portland, Oregon, USA.

Astrobiology
|August 26, 2010
PubMed
Summary
This summary is machine-generated.

Researchers successfully silicified bacteriophage T4 viruses in a lab, mimicking hot spring conditions. This preserves virus morphology and provides an elemental signature, opening new avenues for studying viruses in the fossil record.

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Last Updated: Jun 9, 2026

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Light Enhanced Hydrofluoric Acid Passivation: A Sensitive Technique for Detecting Bulk Silicon Defects

Published on: January 4, 2016

Area of Science:

  • Geochemistry
  • Microbiology
  • Paleontology

Background:

  • Silicification impacts organism ecology and fossilization.
  • Microbes are known to silicify, but viruses have not been previously studied in this context.

Purpose of the Study:

  • To achieve laboratory silicification of viruses.
  • To investigate the preservation of viral morphology and elemental composition after silicification.

Main Methods:

  • Simulated laboratory conditions mimicking silica-depositing hot springs.
  • Applied silicification processes to bacteriophage T4.
  • Analyzed silicified viruses using energy-dispersive X-ray spectrophotometry (EDS).

Main Results:

  • Bacteriophage T4 was successfully silicified.
  • Virus morphology was preserved post-silicification.
  • EDS detected a clear elemental signature of phosphorus in the silicified viruses.

Conclusions:

  • Viral silicification is achievable under simulated hot spring conditions.
  • Silicification preserves key viral structural and elemental characteristics.
  • This finding has implications for understanding viruses in ancient environments and the fossil record.