Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Introduction to Microbial Ecology01:28

Introduction to Microbial Ecology

263
Microbial ecology examines the complex web of interactions and diversity among microorganisms within various ecosystems. This field seeks to understand how microbial populations adapt to and influence their environments and how these interactions shape broader ecological processes. Microbes are integral to ecosystem function, participating in nutrient cycling, energy flow, and the maintenance of environmental homeostasis.An ecosystem represents a dynamic interaction between living organisms...
263
Microbial Interactions: Cooperation01:26

Microbial Interactions: Cooperation

48
Microbial cooperation involves beneficial interactions in which different species work together for individual or mutual advantage. These interactions can profoundly influence ecological dynamics and evolutionary processes, and they are essential to many pathogenic and symbiotic relationships.Nematode–Bacteria CooperationA striking example is the relationship between the Gram-negative bacterium Xenorhabdus nematophila and the parasitic nematode Steinernema carpocapsae. Juvenile nematodes...
48
Methods to Assess Microbial Communities01:19

Methods to Assess Microbial Communities

52
Microbial communities, comprising bacteria, archaea, and eukaryotic microorganisms, inhabit diverse ecosystems and play crucial roles in environmental and biological processes. Their diversity is defined by three main parameters: species richness (the number of distinct species), species abundance (the relative quantity of each species), and species evenness (how uniformly individual species are distributed in various locations). These factors together shape the structure and ecological balance...
52
Functions of the Gut Microbiota01:18

Functions of the Gut Microbiota

115
The gut microbiota includes trillions of microorganisms that colonize the human gastrointestinal tract, including bacteria, archaea, viruses, and fungi. This complex ecosystem plays a critical role in maintaining intestinal and systemic health. Most of these microbes inhabit the large intestine, establishing a relatively stable and diverse community that contributes to gut homeostasis through various metabolic, immunological, and protective mechanisms.Dominant bacterial phyla, such as...
115
Microbial Interactions: Mutualism01:25

Microbial Interactions: Mutualism

64
Mutualism is a symbiotic interaction in which all participating organisms benefit. These relationships can be obligate or facultative and are fundamental to ecosystem functions across diverse biological systems.Plant–Fungi MutualismOne well-known example is the association between plant roots and mycorrhizal fungi, such as Rhizophagus species. The fungal hyphae penetrate the root hairs and the epidermis, forming an extensive hyphal network that establishes a symbiotic association. Through...
64
Applications of Molecular Taxonomy01:20

Applications of Molecular Taxonomy

713
Molecular taxonomy has revolutionized the understanding and classification of bacteria, providing precise insights into their diversity, evolutionary relationships, and ecological roles. By utilizing molecular techniques such as DNA sequencing and fingerprinting, researchers have made significant strides in various fields related to bacterial studies.Resolving Taxonomic AmbiguitiesMolecular taxonomy has been instrumental in distinguishing closely related bacterial species initially thought to...
713

You might also read

Related Articles

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

Sort by
Same author

Shared stream-lake patterns in diversity, rRNA-based activity and community assembly of bacteria and microeukaryotes under distinct hydrological regimes.

FEMS microbiology ecology·2026
Same author

Linking nutrient availability and community size to stochasticity in microbial community assembly.

FEMS microbiology ecology·2025
Same author

Ciliate Grazing on the Bloom-Forming Microalga Gonyostomum semen.

Microbial ecology·2024
Same author

Carbon dioxide reduction by photosynthesis undetectable even during phytoplankton blooms in two lakes.

Scientific reports·2023
Same author

Nutrient availability and grazing influence the strength of priority effects during freshwater bacterial community coalescence.

Environmental microbiology·2023
Same author

Environmental abundances of the non-native round goby Neogobius melanostomus influence feeding of native fish predators.

Journal of fish biology·2023

Related Experiment Video

Updated: Apr 21, 2026

Divergence of Root Microbiota in Different Habitats based on Weighted Correlation Networks
09:49

Divergence of Root Microbiota in Different Habitats based on Weighted Correlation Networks

Published on: September 25, 2021

5.0K

Relationships between bacterial community composition, functional trait composition and functioning are context

Ina Severin1, Eva S Lindström1, Orjan Ostman1

  • 1Department of Ecology and Genetics/Limnology, Uppsala University, Uppsala, Sweden.

Plos One
|November 8, 2014
PubMed
Summary

Bacterial community composition significantly impacts freshwater ecosystem productivity. Key functional traits and environmental factors also play roles, but their precise interactions remain context-dependent and require further research.

More Related Videos

Using Coculture to Detect Chemically Mediated Interspecies Interactions
08:29

Using Coculture to Detect Chemically Mediated Interspecies Interactions

Published on: October 31, 2013

14.2K
Author Spotlight: Developing Synthetic Microbial Communities for Generating Second-Generation Biofertilizers
04:29

Author Spotlight: Developing Synthetic Microbial Communities for Generating Second-Generation Biofertilizers

Published on: May 24, 2024

1.8K

Related Experiment Videos

Last Updated: Apr 21, 2026

Divergence of Root Microbiota in Different Habitats based on Weighted Correlation Networks
09:49

Divergence of Root Microbiota in Different Habitats based on Weighted Correlation Networks

Published on: September 25, 2021

5.0K
Using Coculture to Detect Chemically Mediated Interspecies Interactions
08:29

Using Coculture to Detect Chemically Mediated Interspecies Interactions

Published on: October 31, 2013

14.2K
Author Spotlight: Developing Synthetic Microbial Communities for Generating Second-Generation Biofertilizers
04:29

Author Spotlight: Developing Synthetic Microbial Communities for Generating Second-Generation Biofertilizers

Published on: May 24, 2024

1.8K

Area of Science:

  • Microbiology
  • Ecology
  • Environmental Science

Background:

  • Bacterial communities are highly diverse and crucial for ecosystem functions.
  • The specific influence of bacterial community composition (BCC) on ecosystem functioning remains largely undetermined.
  • Understanding this relationship is vital for predicting ecosystem responses to environmental changes.

Purpose of the Study:

  • To assess the relative importance of BCC, functional traits, and environmental conditions on per cell biomass production (BPC) in freshwater bacterial communities.
  • To compare different methods for measuring BCC and their effectiveness in explaining BPC.
  • To investigate the link between BCC, functional traits, and productivity.

Main Methods:

  • Utilized 454-sequencing to determine BCC.
  • Employed Biolog Ecoplates to assess bacterial functional traits.
  • Measured per cell biomass production (BPC) using 3H-leucine incorporation.
  • Analyzed six independent datasets from natural freshwater bacterial communities.

Main Results:

  • BCC significantly explained BPC variation across all datasets, particularly in four.
  • 16S rRNA-based measures (active bacteria) did not consistently outperform 16S rRNA-gene measures (total community) in explaining BPC.
  • Functional traits and nutrient stoichiometry explained some BPC variation, but associations with BCC were weak, suggesting other traits influence productivity.

Conclusions:

  • Bacterial community composition is a significant driver of freshwater bacterial productivity.
  • No single BCC measure consistently outperformed others in explaining productivity.
  • While a link exists between BCC, functional traits, and productivity, its strength is context-dependent and requires further elucidation.