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

Bioremediation00:46

Bioremediation

22.0K
Bioremediation is the use of prokaryotes, fungi, or plants to remove pollutants from the environment. This process has been used to remove harmful toxins in groundwater as a byproduct of agricultural run-off and also to clean up oil spills.
22.0K
Lipid Catabolism01:25

Lipid Catabolism

777
Triglycerides serve as crucial long-term energy storage molecules in microorganisms, providing a dense source of metabolic energy. Their breakdown is mediated by lipases, which hydrolyze triglycerides into glycerol and free fatty acids. Each of these components follows distinct metabolic pathways, ultimately contributing to ATP synthesis and cellular energy homeostasis.Glycerol MetabolismGlycerol, released from triglyceride hydrolysis, is phosphorylated by glycerol kinase to form...
777
Microbial Fermentation01:23

Microbial Fermentation

1.2K
Fermentation is a crucial anaerobic metabolic process that enables microbes to derive energy from sugar without relying on oxygen or an electron transport chain. This process is fundamental to various biological and industrial applications and is classified based on the metabolic products generated.Role of Pyruvate in FermentationPyruvate and its derivatives serve as key electron acceptors in fermentative pathways. The oxidation of NADH to regenerate NAD+ is essential for the continuation of...
1.2K
Environmental Applications of Microorganisms01:30

Environmental Applications of Microorganisms

864
Microorganisms play a pivotal role in maintaining ecosystem balance by recycling essential elements such as carbon, nitrogen, and phosphorus, as well as supporting processes like bioremediation, wastewater treatment, and biofuel production.Microbes in Elemental CyclesIn the carbon cycle, microorganisms decompose organic matter, releasing carbon dioxide via aerobic respiration. This carbon dioxide is subsequently used by photosynthetic organisms to synthesize organic compounds, closing the...
864
Microbial Nutrition01:28

Microbial Nutrition

975
Organisms exhibit remarkable metabolic diversity, categorized based on how they acquire energy and carbon. These strategies enable survival in various ecological niches and are essential for maintaining energy flow and nutrient cycling within ecosystems.Energy and Carbon SourcesOrganisms are classified as phototrophs or chemotrophs based on energy acquisition. Phototrophs use light as their energy source, while chemotrophs rely on oxidizing chemical compounds. Further differentiation arises...
975
Amino Acid Catabolism01:18

Amino Acid Catabolism

851
Microorganisms rely on proteins as an essential carbon and energy source, particularly in environments with limited polysaccharides or lipids. However, proteins are too large to cross the plasma membrane unaided, necessitating enzymatic degradation. Microbes secrete extracellular proteases and peptidases that hydrolyze proteins into peptides, which can then be transported across the membrane. Once inside the cell, intracellular proteases degrade these peptides into free amino acids, which...
851

You might also read

Related Articles

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

Sort by
Same author

Interactions of microbial biofilms with metal nanoparticles in the context of bioremediation.

Folia microbiologica·2026
Same author

Draft genome sequence of the meloxicam-degrading <i>Gordonia alkanivorans</i> IEGM 1277 strain.

Microbiology resource announcements·2025
Same author

Molecular-Genetic Research of <i>Rhodococcus rhodochrous</i> IEGM 1362, an Active (-)-Isopulegol Biotransformer.

Molecules (Basel, Switzerland)·2025
Same author

Draft genome sequence of <i>Rhodococcus rhodochrous</i> IEGM 1360 isolated from Arctic soil and able to transform oleanolic and glycyrrhetinic acids.

Microbiology resource announcements·2025
Same author

Draft genome sequence of <i>Rhodococcus pyridinivorans</i> IEGM 66, a betulin biotransformer.

Microbiology resource announcements·2025
Same author

Genome Annotation and Catalytic Profile of <i>Rhodococcus rhodochrous</i> IEGM 107, Mono- and Diterpenoid Biotransformer.

Genes·2025

Related Experiment Video

Updated: Jan 3, 2026

Methods for Facilitating Microbial Growth on Pulp Mill Waste Streams and Characterization of the Biodegradation Potential of Cultured Microbes
16:33

Methods for Facilitating Microbial Growth on Pulp Mill Waste Streams and Characterization of the Biodegradation Potential of Cultured Microbes

Published on: December 12, 2013

9.8K

Microbial Conversion of Toxic Resin Acids.

Natalia A Luchnikova1,2, Kseniya M Ivanova1,2, Ekaterina V Tarasova1,2

  • 1Institute of Ecology and Genetics of Microorganisms, Ural Branch of the Russian Academy of Sciences, 614081 Perm, Russia.

Molecules (Basel, Switzerland)
|November 20, 2019
PubMed
Summary

This study reviews microbial transformation of resin acids, key pollutants in pulp and paper effluents. It highlights enzymatic detoxification as an effective method to reduce their ecotoxicity and ecological impact.

Keywords:
biological activitybiotransformationditerpenoidsresin acids

More Related Videos

Evaluation of the Efficacy of Organic Peroxyacids for Eradicating Dairy Biofilms Using an Approach Combining Static and Dynamic Methods
11:47

Evaluation of the Efficacy of Organic Peroxyacids for Eradicating Dairy Biofilms Using an Approach Combining Static and Dynamic Methods

Published on: December 9, 2022

2.0K
Bioprospecting of Extremophilic Microorganisms to Address Environmental Pollution
07:20

Bioprospecting of Extremophilic Microorganisms to Address Environmental Pollution

Published on: December 30, 2021

4.1K

Related Experiment Videos

Last Updated: Jan 3, 2026

Methods for Facilitating Microbial Growth on Pulp Mill Waste Streams and Characterization of the Biodegradation Potential of Cultured Microbes
16:33

Methods for Facilitating Microbial Growth on Pulp Mill Waste Streams and Characterization of the Biodegradation Potential of Cultured Microbes

Published on: December 12, 2013

9.8K
Evaluation of the Efficacy of Organic Peroxyacids for Eradicating Dairy Biofilms Using an Approach Combining Static and Dynamic Methods
11:47

Evaluation of the Efficacy of Organic Peroxyacids for Eradicating Dairy Biofilms Using an Approach Combining Static and Dynamic Methods

Published on: December 9, 2022

2.0K
Bioprospecting of Extremophilic Microorganisms to Address Environmental Pollution
07:20

Bioprospecting of Extremophilic Microorganisms to Address Environmental Pollution

Published on: December 30, 2021

4.1K

Area of Science:

  • Environmental Chemistry
  • Microbiology
  • Biotechnology

Background:

  • Resin acids from wood extractives increase pulp and paper effluent toxicity.
  • These compounds accumulate in ecosystems, posing risks to organisms and causing ecological imbalance.
  • Microbial transformation offers an effective enzymatic detoxification method for these ecotoxicants.

Purpose of the Study:

  • To analyze the distribution, ecological impacts, and microbial transformation of resin acids.
  • To investigate oxidation mechanisms and identify key biodegraders of resin acids.
  • To explore the development of efficient resin acid removal procedures and potential pharmacological derivatives.

Main Methods:

  • Literature review focusing on resin acid distribution and impacts.
  • Analysis of microbial interactions and bioconversion pathways.
  • Case study using dehydroabietic acid as a model pollutant.

Main Results:

  • Resin acids are significant contributors to effluent toxicity and ecosystem disruption.
  • Microbial degradation is a promising strategy for neutralizing resin acids.
  • Dehydroabietic acid serves as a model for understanding microbial interactions and bioconversion.

Conclusions:

  • Enzymatic detoxification by microorganisms is crucial for mitigating resin acid pollution.
  • Further research into resin acid biodegradation can lead to improved environmental remediation and novel bioactive compounds.