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Last update: May 2021

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A few examples of our scientific results

Light microscope observation of G. mellonella larvae infected with B. cereus associated with Cry1C toxin 16 hours after force-feeding. Cross–sections (16 µm) (cresyl violet staining and ethanol and xylene dehydration) with focus on the intestine (midgut). The bacteria appear colored as dark or brighter violet. Different magnifications are shown: (a) 4×; (b)10×; (c) 20×, and (d) 40×. (lum: intestinal lumen; bac: bacteria; gEpi: Gut Epithelium; pm: Peritrophic matrix

Laser microdissection allows fine in situ analysis of the interaction between extracellular bacteria and the host

La microdissection laser : un outil pour analyser l’expression in situ des gènes de l'entérobactérie Bacillus cereus lors de la colonisation...
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Consitutive IFNα protein production in bats

The results of this study confirm the unique IFNα response in some bat species that could explain their capacity to coexist with multiple viruses...
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From the cow to poplar tree, from bees to wheat, how does genomic selection work?

Depuis plus de 10 ans, chez les bovins laitiers, la sélection ‘classique’ a laissé place à la sélection génomique. Cette évolution a permis...
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@ Tristan Kistler

Polyandry or monoandry ?

What are the consequences on genetic evolution of an Apis melifera bee population undergoing selection?
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Tick microbiota and its role in carrying and transmitting pathogens

Ticks are among the main vectors of pathogens affecting both humans and animals, and thus, pose a serious threat to public and veterinary health. In...
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Relation between intestinal microbiota composition and influenza A virus vaccination response in pigs

A study led by the Genetics, Microbiota, Health team of GABI shows that in pigs, a relation exists between the intestinal microbiota composition and...
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@INRAE Tatiana Rochat

The molecular bases of the adaption of a flavobacteria in fish

Amongst all sectors contributing to human foods, aquaculture is the one that has the most rapid growth. It is, however, confronted with the challenge...
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@INRAE-Nicolas Bertrand (Coloration de lame avant l'observation au microscope dans l'UMR (ANSES-INRA-ENVA) de biologie moléculaire et immunologie parasitaire à l'ENVA de Maisons-Alfort.)

A condensate-hardening drug blocks RSV replication in vivo in Nature on 07 July 2021

In this article we show the action of an antiviral compound targetting the respiratory syncytial virus, a pneumovirus responsible for brochiolitis...
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@INRAE B. Mandon-Pépin (Localisation of lncRNA 4930463O16Rik by in situ Hybridization (red) on testicule sections from 2-month old mice. Immunofluorescence labelling with anti-DDX4 antibodies (green) to visualize the cytoplasm of germ cells and DAPI coloration (blue) to visualize nuclear chomosomes. White squares: spermatocytes before the first meiosis division. White circles: sperm obtained after 2 meiosis divisions.)

Structural and functional characterization of long non-coding RNA implicated in the production and motility of sperm

Inactivation of the gene Topaz1 causes sterility in male mice due to the blockage of spermatogenesis leading to a dysregulation of numerous long...
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Study of the adaptation of cattle to climate change

Within the current context of climate change one of the challenges of the breeding sector is adaptation of animals to heat. Cattle are particularly...
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