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24, chemin de Borde Rouge -Auzeville - CS52627 31326 Castanet Tolosan cedex - France

Last update: May 2021




Centre Alpin sur les Réseaux Trophiques et Ecosystèmes Lacustre

Biodiversity Lab

Its objective is the characterization of the biodiversity of samples about the natural environment through the use of various techniques such as optical microscopy, molecular biology, the use of a collection of algae cultures and a spectrofluorimetric probe.

Microscope optique droit avec systèmes d'acquisition d'images
© INRAE, Upright optical microscope with image acquisition system

Upright optical microscope with image acquisition system
Used to perform diatom analyzes.


Microscopes inversés avec systèmes d'acquisition d'images
© INRAE,inverted microscopes with image acquisition systems
Microscopes inversés avec systèmes d'acquisition d'images suite
© INRAE, inverted microscopes with image acquisition systems

Inverted microscopes with image acquisition system
Used to perform phytoplankton and diatom analyzes.


Microscope droit avec systèmes d'acquisition d'images
© INRAE, Upright microscope with image acquisition system

Upright microscope with image acquisition system
Used to perform zooplankton analyzes.


Sonde spectrofluorimétrique
© INRAE, Spectrofluorimetric probe

Spectrofluorimetric probe
The spectrofluorimetric bbe probe is a submersible probe which makes it possible to obtain the concentration in μg equivalent of chl a.L-1 of various algal classes, continuously along the water column of a lake.


Thermocycleur pour PCR
© INRAE, Thermocycler for PCR (Polymerase Chain Reaction)

Thermocycler for PCR (Polymerase Chain Reaction)
This technique is used to exponentially amplify a specific DNA fragment. To achieve this, a thermocycler is used.
This technique has many applications in molecular biology (cloning, sequencing, DGGE, ...)


systeme PFGE
© INRAE, PFGE system (Pulse Field Gel Electrophoresis)

PFGE system (Pulse Field Gel Electrophoresis)
Pulsed field electrophoresis technique for separating very large DNA fragments, used for the study of the viral diversity of aquatic environments.


systeme DGGE
© INRAE, DGGE System

DGGE system (Denaturing Gradient Gel Electrophoresis)
Electrophoresis technique allowing the separation of DNA molecules (amplified by PCR) of the same size but different sequences, used for the study of the diversity of microorganisms in aquatic environments.


Thermocycleur pour PCR quantitative
© INRAE, Thermal cycler for quantitative PCR

Thermal cycler for quantitative PCR
A technique for quantifying DNA in real time, used to study function genes.


© INRAE, Spectrophotometer

Used to measure DNA.