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

Threats to Biodiversity

Threats to Biodiversity

There have been five major extinction events throughout geological history, resulting in the elimination of biodiversity, followed by a rebound of species that adapted to the new conditions. In the current geological epoch, the Holocene, there is a sixth extinction event in progress. This mass extinction has been attributed to human activities and is thus provisionally called the Anthropocene. In 2019 the human population reached 7.7 billion people and is projected to comprise 10 billion by...

Multi-species Conserved Sequences

Multi-species Conserved Sequences

Next-generation sequencing technologies have created large genomic databases of a variety of animals and plants. Ever since the human genome project was completed, scientists studied the genome of primates, mammals, and other phylogenetically distant living beings. Such large-scale studies have provided new insights into the evolutionary relationship between organisms.
Although the genome of each species varies greatly from each other, a few sequences are highly conserved. Such conserved DNA...

Rapid Identification of Pathogens

Rapid Identification of Pathogens

MALDI-TOF MS has transformed clinical microbiology by offering a rapid and reliable method for pathogen identification. The traditional approach to microbial identification typically involves time-consuming culture techniques and biochemical tests, which can delay the initiation of appropriate antimicrobial therapy. MALDI-TOF MS avoids these delays by using characteristic ribosomal protein mass patterns of microbial cells, enabling accurate species-level identification within minutes.Principle...

You might also read

Related Articles

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

Sort by

Same authorSame journal

The Viking's 50 Year Landing Anniversary Astrobiology Special Collection: Reexamining the Revolutionary Impact of Viking on Mars Exploration.

Astrobiology·2026

Same author

Spatially distributed complex organic matter detected in an ancient river valley in Jezero crater, Mars.

Science advances·2026

Same author

On the nature of the earliest known lifeforms.

eLife·2026

Same author

Organic geochemical evidence for life in Archean rocks identified by pyrolysis-GC-MS and supervised machine learning.

Proceedings of the National Academy of Sciences of the United States of America·2025

Same author

What the earliest evidence for life tells us about the early evolution of the biosphere.

Philosophical transactions of the Royal Society of London. Series B, Biological sciences·2025

Same author

Crystal Habits as Potential Biosignatures.

Astrobiology·2025

Same journal

Viking's Astrobiological Legacy: A Philosophical Framework for Searching for Molecular Biosignatures.

Astrobiology·2026

Same journal

NASA Viking Mission: A Perspective of the Labeled Release Biological Experiment on Mars.

Astrobiology·2026

Same journal

Plasma and Thermal Processing Leading to Latitudinal and Temporal Variability of the Trapped O<sub>2</sub> at Europa and Ganymede.

Astrobiology·2026

Same journal

The Possible Aqueous Origins of Manganese Alteration Minerals in the Máaz Formation of Jezero Crater.

Astrobiology·2026

Same journal

Viking's Heirs: The Rise of Planetary Flyers.

Astrobiology·2026

See all related articles

Search research articles

Related Experiment Video

Updated: Jun 25, 2026

Identification of Metabolically Active Bacteria in the Gut of the Generalist Spodoptera littoralis via DNA Stable Isotope Probing Using 13C-Glucose

Identification of Metabolically Active Bacteria in the Gut of the Generalist Spodoptera littoralis via DNA Stable Isotope Probing Using 13C-Glucose

Published on: November 13, 2013

Laminae as Potential Biosignatures.

Jon Lima-Zaloumis^1,2, Sherry L Cady³, Jen G Blank^4,5

¹Amentum, NASA Johnson Space Center, Houston, Texas, USA.

|July 14, 2025

Summary

This summary is machine-generated.

Laminae in rocks, influenced by microbial life, are key biosignatures. Studying these ancient structures on Earth and Mars helps us understand past habitable conditions and search for extraterrestrial life.

Keywords:

Laminae—Biosignatures—Life Detection Knowledge Base—Fossilized microbial mats—Stromatolites—Microbialite

More Related Videos

Profiling the Triacylglyceride Contents in Bat Integumentary Lipids by Preparative Thin Layer Chromatography and MALDI-TOF Mass Spectrometry

Profiling the Triacylglyceride Contents in Bat Integumentary Lipids by Preparative Thin Layer Chromatography and MALDI-TOF Mass Spectrometry

Published on: September 5, 2013

A Loop-mediated Isothermal Amplification LAMP Assay for Rapid Identification of Bemisia tabaci

A Loop-mediated Isothermal Amplification LAMP Assay for Rapid Identification of Bemisia tabaci

Published on: October 29, 2018

Related Experiment Videos

Last Updated: Jun 25, 2026

Identification of Metabolically Active Bacteria in the Gut of the Generalist Spodoptera littoralis via DNA Stable Isotope Probing Using 13C-Glucose

Identification of Metabolically Active Bacteria in the Gut of the Generalist Spodoptera littoralis via DNA Stable Isotope Probing Using 13C-Glucose

Published on: November 13, 2013

Profiling the Triacylglyceride Contents in Bat Integumentary Lipids by Preparative Thin Layer Chromatography and MALDI-TOF Mass Spectrometry

Profiling the Triacylglyceride Contents in Bat Integumentary Lipids by Preparative Thin Layer Chromatography and MALDI-TOF Mass Spectrometry

Published on: September 5, 2013

A Loop-mediated Isothermal Amplification LAMP Assay for Rapid Identification of Bemisia tabaci

A Loop-mediated Isothermal Amplification LAMP Assay for Rapid Identification of Bemisia tabaci

Published on: October 29, 2018

Area of Science:

Geology
Astrobiology
Microbiology

Background:

Laminae are millimeter-scale rock features formed by physiochemical processes, often influenced by microbial communities (biofilms and microbial mats).
Their structure and composition record formation processes but can be altered by diagenesis and metamorphism, complicating origin interpretation.
Laminae are significant for astrobiology, particularly on Mars, as they can indicate past habitable conditions like liquid water.

Conclusions:

Laminae are crucial targets for astrobiological exploration due to their potential to record ancient life and habitable environments.
Understanding lamina formation and preservation is key to identifying biosignatures beyond Earth.
The NASA Life Detection Knowledge Base provides a framework for evaluating such evidence.