… In our first experiment (Vergnaud & Durand, 1976) we examined differences between Category
II and Category IV problems and also differences between distinct classes of problems in …

… analysis of products and quotients of dimensions as is the case for the relationships between
length, area and volume, or between measures in physics [for further details, see Vergnaud…

Minisatellites have been found in association with important features of human genome
biology such as gene regulation, chromosomal fragile sites, and imprinting. Our knowledge of …

The control of bacterial pathogens requires the development of tools allowing the precise
identification of strains at the subspecies level. It is now widely accepted that these tools will …

The remarkable repetitive elements called CRISPRs (clustered regularly interspaced short
palindromic repeats) consist of repeats interspaced with non-repetitive elements or ‘spacers’. …

Clustered regularly interspaced short palindromic repeats (CRISPRs) constitute a particular
family of tandem repeats found in a wide range of prokaryotic genomes (half of eubacteria …

… pestis we believe that they could be used to investigate ancient DNAs (Vergnaud et … Pourcel
C, Salvignol G, Vergnaud G: CRISPR elements in Yersinia pestis acquire … Gilles Vergnaud …

CRISPR (clustered regularly interspaced short palindromic repeats) arrays and their
associated (Cas) proteins confer bacteria and archaea adaptive immunity against exogenous …

It is a trivial idea to consider that children (and students) develop more and more complex
competencies and conceptions by using their former knowledge to make sense of new …

Background The classification of Brucella into species and biovars relies on phenotypic
characteristics and sometimes raises difficulties in the interpretation of the results due to an …