Jove
Visualize
Contáctanos
JoVE
x logofacebook logolinkedin logoyoutube logo
ACERCA DE JoVE
Visión GeneralLiderazgoBlogCentro de Ayuda JoVE
AUTORES
Proceso de PublicaciónConsejo EditorialAlcance y PolíticasRevisión por ParesPreguntas FrecuentesEnviar
BIBLIOTECARIOS
TestimoniosSuscripcionesAccesoRecursosConsejo Asesor de BibliotecasPreguntas Frecuentes
INVESTIGACIÓN
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchivo
EDUCACIÓN
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualCentro de Recursos para ProfesoresSitio de Profesores
Términos y Condiciones de Uso
Política de Privacidad
Políticas

Videos de Conceptos Relacionados

Actin Filament Depolymerization01:19

Actin Filament Depolymerization

3.8K
Actin filaments (F-actin) are composed of actin subunits. The dissociation of actin monomers can occur from either end of F-actin. The rate of dissociation is faster from the minus-end or the pointed end, where the actin subunits exist with a bound ADP, together known as ADP-actin. The depolymerization of F-actin is aided by proteins, including the actin-depolymerizing factor (ADF) and cofilin family of proteins, gelsolin, and glia maturation factor (GMF).
In F-actin, the ADF/cofilin proteins...
3.8K
Roles of Electrolytes: Chloride and Bicarbonate01:29

Roles of Electrolytes: Chloride and Bicarbonate

938
Chloride ions contribute to the osmotic pressure gradient distinguishing the intracellular fluid (ICF) from the extracellular fluid (ECF). They counterbalance positively charged ions in the ECF and ensure its electrochemical stability. The renal system's process of chloride absorption and release generally mirrors that of sodium ions.
Conditions such as hypochloremia can arise from insufficient chloride reabsorption by the kidneys, often compounded by extended bouts of diarrhea, vomiting,...
938
Carboxylic Acids to Acid Chlorides01:18

Carboxylic Acids to Acid Chlorides

8.7K
Carboxylic acids react with SOCl2 or PCl5 to form acid chlorides. Amongst the carboxylic acid derivatives, acid chlorides are the most reactive and synthetically important derivatives. They are useful reagents for Friedel–Crafts acylation of some aromatic compounds.
8.7K
The Roles of Bacteria and Fungi in Plant Nutrition02:11

The Roles of Bacteria and Fungi in Plant Nutrition

47.1K
Plants have the impressive ability to create their own food through photosynthesis. However, plants often require assistance from organisms in the soil to acquire the nutrients they need to function correctly. Both bacteria and fungi have evolved symbiotic relationships with plants that help the species to thrive in a wide variety of environments.
47.1K
The Tree of Life - Bacteria, Archaea, Eukaryotes02:40

The Tree of Life - Bacteria, Archaea, Eukaryotes

38.0K
The “tree of life” describes the evolution of life and the evolutionary relationships between organisms. The root of the tree is the common ancestor to all life on Earth. All other species radiate from this point, much like the branches of a tree. The numerous tips of these branches on the tree of life represent every living, or extant, species. Extinct species, which are species that no longer exist, can be found towards the center of the tree. Currently, these organisms, both...
38.0K
Other Unique Bacteria01:18

Other Unique Bacteria

426
Magnetic bacteria exhibit a directed movement called magnetotaxis, driven by structures called magnetosomes. These magnetosomes consist of chains of magnetic particles made of either magnetite (Fe₃O₄) or greigite (Fe₃S₄) and are organized in a linear conformation by a protein scaffold within invaginations of the cell membrane. The bacteria align along the north–south magnetic field lines, much like a compass needle. They are typically microaerophilic or anaerobic...
426

También podría leer

Artículos Relacionados

Artículos vinculados a este trabajo por autores compartidos, revista y gráfico de citas.

Ordenar por
Same author

Elucidation of the arecoline catabolism by Arthrobacter sp. strain NyZ413.

Journal of hazardous materials·2025
Same author

The universal accumulation of p-aminophenol during the microbial degradation of analgesic and antipyretic acetaminophen in WWTPs: a novel metagenomic perspective.

Microbiome·2025
Same author

The unique salt bridge network in GlacPETase: a key to its stability.

Applied and environmental microbiology·2024
Same author

AlmA involved in the long-chain <i>n</i>-alkane degradation pathway in <i>Acinetobacter baylyi</i> ADP1 is a Baeyer-Villiger monooxygenase.

Applied and environmental microbiology·2024
Same author

Glacier as a source of novel polyethylene terephthalate hydrolases.

Environmental microbiology·2023
Same author

Elucidation of the coumarin degradation by Pseudomonas sp. strain NyZ480.

Journal of hazardous materials·2023

Video Experimental Relacionado

Updated: Jan 23, 2026

Artificial Thermal Ageing of Polyester Reinforced and Polyvinyl Chloride Coated Technical Fabric
07:48

Artificial Thermal Ageing of Polyester Reinforced and Polyvinyl Chloride Coated Technical Fabric

Published on: January 29, 2020

7.0K

Depolimerización y decloración de cloruro de polivinilo por bacterias derivadas de larvas de Tenebrio molitor

Hui Zhang1, Chao-Fan Yin1, Xin Song2

  • 1State Key Laboratory of Microbial Metabolism, Joint International Research Laboratory of Metabolic & Developmental Sciences, and School of Life Sciences & Biotechnology, Shanghai Jiao Tong University, Shanghai 200240, China.

Journal of hazardous materials
|January 21, 2026
PubMed
Resumen

Dos cepas bacterianas degradan el plástico de cloruro de polivinilo (PVC) utilizándolo como fuente de carbono. Esta nueva vía de biodegradación implica una decloración multietapa e identifica enzimas clave como la lacasa, allanando el camino para estrategias de remediación bioenzimática.

Palabras clave:
BiodegradaciónEnzimasIntermediosPlásticoCloruro de polivinilo

Más Videos Relacionados

Inkjet-printed Polyvinyl Alcohol Multilayers
05:11

Inkjet-printed Polyvinyl Alcohol Multilayers

Published on: May 11, 2017

13.0K
Dynamic Electrochemical Measurement of Chloride Ions
07:32

Dynamic Electrochemical Measurement of Chloride Ions

Published on: February 5, 2016

12.0K

Videos de Experimentos Relacionados

Last Updated: Jan 23, 2026

Artificial Thermal Ageing of Polyester Reinforced and Polyvinyl Chloride Coated Technical Fabric
07:48

Artificial Thermal Ageing of Polyester Reinforced and Polyvinyl Chloride Coated Technical Fabric

Published on: January 29, 2020

7.0K
Inkjet-printed Polyvinyl Alcohol Multilayers
05:11

Inkjet-printed Polyvinyl Alcohol Multilayers

Published on: May 11, 2017

13.0K
Dynamic Electrochemical Measurement of Chloride Ions
07:32

Dynamic Electrochemical Measurement of Chloride Ions

Published on: February 5, 2016

12.0K

Área de la Ciencia:

  • Microbiología Ambiental
  • Biotecnología
  • Ciencia de Polímeros

Sus antecedentes:

  • El cloruro de polivinilo (PVC) es un plástico persistente y ecotóxico que causa una contaminación ambiental significativa.
  • Los métodos existentes de degradación del PVC son limitados, lo que requiere enfoques novedosos para su remediación.

Objetivo del estudio:

  • Aislar y caracterizar microorganismos capaces de degradar el PVC.
  • Elucidar la vía bioquímica y las enzimas involucradas en la biodegradación del PVC.
  • Explorar estrategias bioenzimáticas para la remediación del PVC.

Principales métodos:

  • Aislamiento de cepas bacterianas (Acinetobacter sp. PVC-6A, Bacillus sp. PVC-6B) del intestino de Tenebrio molitor.
  • Caracterización de la degradación del PVC mediante SEM, AFM, ATR-FTIR y WCA.
  • Identificación de intermedios de degradación y productos metabólicos mediante GC-MS.
  • Análisis genómico, transcriptómico y de enzimas recombinantes para identificar enzimas clave (CAT, LAC1, LAC2).
  • Estudios de acoplamiento molecular para comprender las interacciones enzima-plástico.

Principales resultados:

  • Las cepas bacterianas demostraron la utilización del PVC como única fuente de carbono, causando una pérdida de peso significativa en las películas de PVC.
  • Se identificó una nueva vía de biodegradación que implica una decloración multietapa, produciendo 1-clorohexadecano y ácidos grasos.
  • Se identificaron enzimas clave, incluidas lacasas (LAC1, LAC2) y catalasa-peroxidasa (CAT), como cruciales para la degradación del PVC.
  • Los tratamientos con enzimas recombinantes confirmaron la despolimerización y decloración, y LAC1 mostró una alta eficacia (reducción del 13,1% en el peso molecular, 77% de dicloración).

Conclusiones:

  • Se ha descubierto una nueva vía de biodegradación del PVC mediada por aislados bacterianos.
  • Enzimas específicas, particularmente las lacasas, son actores clave en la despolimerización y decloración del PVC.
  • Esta investigación proporciona una base para el desarrollo de tecnologías eficaces de remediación bioenzimática de residuos de PVC.