Genomic information at the service of human health and its environment
GenoScreen services
GenoScreen supports you in developing and optimizing your custom qPCR tests. Our team designs specific assays tailored to your need, whether for detecting genetically modified strains, differentiating species at the desired taxonomic level (strain, species, genus), or analyzing genes of interest (enzymatic function, RT-qPCR, etc.).
Advanced expertise in custom qPCR
Custom qPCR development
In silico design, in vitro validation, and optimization of experimental conditions.
Optimization and validation of existing designs
Improved sensitivity, efficiency, and robustness.
Method transfer and equipment validation
Support for implementing the method on your own platforms.
Comprehensive analytical performance evaluation
Determination of LOD (limit of detection) and LOQ (limit of quantification), testing on complex matrices.
Our workflow applied to qPCR: iQuant offer
Primer
design
(In silico)
Specificity testing
Primer
verification
(In silico)
If primers are provided
qPCR test development and optimization
Result analysis
Quantification or detection
Interpretation and reporting
Method transfer or delivery as a ready-to-use kit
Extraction ADN optimisée pour chaque matrice
selles, sols, peau, fermentés, etc.
Préparation des librairies
avec contrôles qualités intégrés
Séquençage haut-débit adapté
Analyse bioinformatique
Interprétation & Restitution
Primer
design
(in silico)
Specificity testing
Primer
verification
(in silico)
If primers are provided
qPCR test development and optimization
Result analysis
Quantification or detection
Interpretation and reporting
Method transfer or delivery as a ready-to-use kit
Adjustment of experimental conditions (temperature, concentrations, cycles)
Determination of LoD and LoQ
Inhibitor screening related to the analyzed matrix
Validation on real samples to ensure robustness and reproducibility
Clearly annotated report from our experts, including explanation of results and limitations
Optional oral presentation to ensure full understanding of outcomes
We assist you in transferring the developed test onto your own qPCR platforms.
We also offer custom "ready-to-use" kit formulation for use in your labs or by your project partners.
Why choose GenoScreen?
Scientific and regulatory expertise
With a rigorous and transparent approach, we develop qPCR methods compliant with EFSA standards, particularly for residual DNA and GMM detection in finished products. Each step is validated under high-quality standards. Our methods are designed in compliance with ISO 9001 and can be adapted to GCLP and GMP requirements.
Accurate and actionable results
We provide complete reporting formats, including absolute or relative quantification and analytical validation according to your needs. Each project comes with detailed reports outlining development and optimization steps. We ensure regular interactions throughout the project with Go/No-Go decision checkpoints to guarantee optimal quality control and full transparency.
Flexibility and personalized support
We design custom primers and probes (MGB, TaqMan, etc.) to ensure performance and specificity. Our client support is tailored, with regular communication, fast troubleshooting, and close monitoring at every stage. Our solutions are compatible with a wide variety of sample types: powders, liquids, environmental, or biological matrices.
Responsive and efficient service
Experience fast turnaround times (6 to 8 weeks) for qualitative or quantitative analyses, fully tailored to your needs. Receive personalized support with a dedicated contact for smooth follow-up from design to results interpretation.
Custom qPCR: key application areas
Our custom qPCR services are applicable across multiple sectors:
Human Health & Microbiota : Quantification of specific strains and gene-of-interest quantification
Agri-food Industry : Detection of residual DNA, validation of manufacturing processes, regulatory dossiers (e.g., EFSA) for genetically modified strains
Biotechnology : Monitoring of microbial cultures, quality control of finished products, rapid diagnostics for recurrent contaminants
Detection of residual DNA from genetically modified production strains in finished products
Detection of residual plasmid DNA after fermentation tank cleaning
Detection of target bacterial strains in environmental samples
Gene quantification under different culture conditions
Download the catalogue
GenoScreen
1 rue du Professeur Calmette
59000 Lille, France
contact@genoscreen.fr
+33 (0)3 62 26 37 77
A unique experience in DNA analysis
Since its foundation in 2001, GenoScreen has a solid international experience in scientific DNA sequencing services for all kinds of genomes : humans, animals, plants and microorganisms.
Our scientific staff gathered high-level skills in all aspects of genome and transcriptome analysis.
This experience provides our customers with highly valuable expertise when choosing the best technical approaches and designing analytical protocols.
Discover our sequencing services.
Personalized project support
A specialist team monitors each project: definition of the study protocol, choice of the technology, sample preparation, bioinformatics analysis, etc. Take advantage of our unique team’s experience in choosing the best analytical strategy for your project!
For each case, GenoScreen provides a personalized solution based on a comprehensive portfolio of technologies and methodologies.
Cutting-edge bioinformatics technologies
GenoScreen has developed a number of exclusive bioinformatics tools and algorithms to transform genomic data into interpretable and exploitable information.
These tools are flexible and can be adapted to each scientific case, being able to provide our customers with personalized solutions.
Discover our bioinformatics services.
High-quality, secure, easily interpreted data
Comprehensive, precise and contextualized, the data generated by our analysis programs constitute a true asset for your research by accelerating your analyses and ensuring reliable interpretation.
GenoScreen has developed several advanced, exclusive bioinformatics solutions:
- Metabiote® and WHORMSS® for the analysis of microbiome metagenomics data.
- Deeplex® for the fast molecular diagnosis of antibiotic resistance in tuberculosis.
An ambitious R&D program
Ever since its foundation, GenoScreen has implemented high-level R&D programs in order to continuously improve the quality, performance level and delay time of its genomic analysis services.
GenoScreen also develops its own methodological approaches and solutions linked to innovative, high-performance analytical tools.
Between the most valuable discoveries achieved until now, we can find: microbiome analysis, microbial strain typing, and the detection of antibiotic resistance in tuberculosis.
The results of these researches have been materialized under products like MIRU-VNTR, Metabiote®/WHORMSS® and Deeplex®.
Discover our training courses specifically designed for researchers, biologists and doctors. These courses give you all the keys to mastering the latest genomic analysis tools: a major asset for speeding up your research.
Expertise in genomic technologies is now essential for high-quality life science research.
These technologies are still evolving very rapidly and therefore require in-depth, continuous training to ensure high-quality analyses and results. To address these challenges, GenoScreen has used its in-house skills to develop cutting-edge training courses in all fields of genomic analysis.
Our training courses
Find below the course duration and dates for 2025:
NGS Data Quality Control - Ref : GFBQCN
1/2 day
from May 21 to 23 and October 15 to 17, 2025
De novo assembly - Ref: GFBASN
1/2 day
from May 21 to 23 and October 15 to 17, 2025
BLAST Mastery - Ref: GFBMBBB
1/2 day
from May 21 to 23 and October 15 to 17, 2025
Search for genetic variants - Ref: GFBMUT
1 day
from May 21 to 23 and October 15 to 17, 2025
To address the most specific research objectives, GenoScreen develops custom analytical protocols from its broad panel of genomic technologies.
These highly detailed, precised, targeted interventions provide answers to the most complex research matters.
GenoScreen - Services provided
An expert takes in charge your request and supports you to build the whole project.
Each service can be adapted to match your project’s scientific objectives and constraints:
- Oligonucleotide design.
- DNA or RNA extraction.
- PCR optimization, library preparation.
- Sequencing.
- Genomic analysis.
GenoScreen's assets
- More than 15 years of expert experience.
- A comprehensive panel of genomic analysis solutions.
- Comprehensive facilities for high- and low-throughput techniques (ABI3730XL, MiSeq, HiSeq2500, ABI7900, etc.).
- Personalized support.
- Highly flexible services provided.
Gene expression analysis provides powerful and precised tools for a better understanding of biological phenomena. It is notably used to investigate molecular mechanisms of action, pathophysiological phenomena...
Applications
Our services address a wide range of research objectives:
- Quantification of gene expression and gene transcript levels.
- Analysis of molecular mechanisms of action.
- Biochip quality control and validation.
GenoScreen - Services provided
GenoScreen supports your R&D groups to analyze gene expression in detail, whatever your research objective is.
Our teams use real-time quantitative PCR techniques to analyze gene expression:
- The absolute quantification which allows to measure of gene expression in uncharacterized samples by comparison with a standard range (i.e. a calibration curve).
- The relative quantification which allows to compare gene expression levels in two different samples.
Our gene expression analysis services are based either on a pre-formatted or a custom TaqMan® design running on an ABI 7900HT system and starting from DNA or (after reverse transcription into cDNA) RNA.
GenoScreen's assets
- Comprehensive assistance from extraction to final quantification
- Significant specialization in gene expression in microbes and bacteria
- Last-generation technical facilities
News
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What is the QPS list?
The European Food Safety Authority (EFSA ) plays a crucial role in ensuring the safety of the food and feed supply chain. A key element in this process is the Qualified Presumption of Safety (QPS) list.
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Updated guidelines for Novel Food submissions (EU) 2015/2283
The 1st of February 2025 entered into force the “Guidance on the scientific requirements for an application of a novel food in the context of Regulation (EU) 2015/2283”.
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What is EFSA?
EFSA stands for the European Food Safety Authority. It is essentially the scientific supervisor of the European Union when it comes to food. EFSA’s purpose is to ensure that the food Europeans eat is safe and meets high quality standards. To do so, they provide objective and unbiased scientific...