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Related Concept Videos

Marine Microbial Ecology01:30

Marine Microbial Ecology

Marine microbial ecosystems are shaped by distinct physicochemical limits, including high salinity, low nutrient availability, and fluctuating oxygen levels. These conditions favor smaller microbial cell sizes, which maximize their surface-to-volume ratio for efficient nutrient uptake.Microbial activity and community composition are closely linked to biogeochemical cycles, particularly in dynamic environments like estuaries, where halotolerant microbes thrive in response to variable salinity...
Modern Molecular Taxonomy01:29

Modern Molecular Taxonomy

Advancements in molecular biology have revolutionized the identification and characterization of bacteria, with multiple methods leveraging DNA sequencing for enhanced precision. As sequencing technologies improve and costs decline, these approaches are increasingly used in clinical, environmental, and evolutionary studies.Multilocus Sequence Typing (MLST) examines several housekeeping genes, essential chromosomal genes encoding cellular functions, to distinguish strains. Approximately...
Deep Sea Microbial Ecology01:18

Deep Sea Microbial Ecology

The deep ocean and its underlying sediments represent vast, largely unexplored microbial habitats that extend far beyond the sunlit photic zone. The photic (euphotic) zone typically spans the upper ~100–200 meters of pelagic waters in the open ocean, but its depth varies geographically and seasonally, where sufficient light supports photosynthetic life. Below this lies the deep sea, spanning roughly 1000–6000 meters (bathypelagic to abyssal zones), with deeper hadal trenches extending beyond...
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Microbial genome evolution is a highly dynamic process shaped by continual gene gain and loss across species and strains. This genomic flexibility allows microorganisms to adapt rapidly to environmental pressures and interactions with other organisms. Central to understanding this diversity is the distinction between the core and pan genomes.The core genome comprises the genes shared by all sampled strains of a species, representing essential functions needed for fundamental cellular processes.
Applications of Molecular Taxonomy01:20

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Freshwater Microbial Ecology

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Related Experiment Video

Updated: Jul 19, 2026

Unraveling the Unseen Players in the Ocean - A Field Guide to Water Chemistry and Marine Microbiology
10:43

Unraveling the Unseen Players in the Ocean - A Field Guide to Water Chemistry and Marine Microbiology

Published on: November 5, 2014

Genomics and marine microbial ecology.

Carlos Pedrós-Alió1

  • 1Department of Marine Biology and Oceanography, ICM, CMIMA-CSIC, Barcelona, Spain. cpedros@icm.csic.es

International Microbiology : the Official Journal of the Spanish Society for Microbiology
|October 25, 2006
PubMed
Summary

Genomics revolutionized marine microbial ecology, revealing microorganisms

Area of Science:

  • Marine microbial ecology
  • Genomics
  • Molecular biology

Background:

  • Microorganisms were historically overlooked in marine ecology.
  • Microbial life significantly contributes to global primary production.
  • Genomics has transformed the field, revealing microbial diversity and novel functions.

Purpose of the Study:

  • To review genomic techniques applicable to marine microbial ecology.
  • To highlight the impact of genomics on understanding microbial life.
  • To emphasize the need for traditional biological knowledge alongside new genomic insights.

Main Methods:

  • Whole genome sequencing
  • Metagenomics
  • Transcriptomics
  • Proteomics

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Analyzing Gene Expression from Marine Microbial Communities using Environmental Transcriptomics
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Analyzing Gene Expression from Marine Microbial Communities using Environmental Transcriptomics

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Large Insert Environmental Genomic Library Production
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Large Insert Environmental Genomic Library Production

Published on: September 23, 2009

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Last Updated: Jul 19, 2026

Unraveling the Unseen Players in the Ocean - A Field Guide to Water Chemistry and Marine Microbiology
10:43

Unraveling the Unseen Players in the Ocean - A Field Guide to Water Chemistry and Marine Microbiology

Published on: November 5, 2014

Analyzing Gene Expression from Marine Microbial Communities using Environmental Transcriptomics
13:51

Analyzing Gene Expression from Marine Microbial Communities using Environmental Transcriptomics

Published on: February 18, 2009

Large Insert Environmental Genomic Library Production
20:59

Large Insert Environmental Genomic Library Production

Published on: September 23, 2009

Main Results:

  • Genomics enables discovery of novel microbial functions and diversity.
  • Genomic approaches challenge traditional concepts of species, genome, and niche.
  • Proteorhodopsin serves as an example of insights gained through genomics.

Conclusions:

  • Genomics provides a framework for focused marine microbial ecology research.
  • Integrating genomics with traditional biology is crucial for future discoveries.
  • Genomic perspectives are essential for advancing marine microbial ecology.