Indexed in Medline, Excerpta Medica / EMbase, Science Citation Index, Current Contents (Life Sciences) 1887—The beginnings of the journal Research in Microbiology is the direct descendant of the original Pasteur periodical entitled Annales de l’Institut Pasteur, created in 1887 by Emile Duclaux under the patronage of Louis Pasteur. The Editorial Committee included Chamberland, Grancher, Nocard, Roux and Straus, and the first issue began with Louis Pasteur’s “Lettre sur la Rage” which clearly defines the spirit of the journal: “You have informed me, my dear Duclaux, that you intend to start a monthly collection of articles entitled “Annales de l’Institut Pasteur”. You will be rendering a service that will be appreciated by the ever increasing number of young scientists who are attracted to microbiological studies. In your Annales, our laboratory research will of course occupy a central position, but the work from outside groups that you intend to publish will be a source of competitive stimulation for all of us.” That first volume included 53 articles as well as critical reviews and book reviews. From that time on, the Annales appeared regularly every month, without interruption, even during the two world wars. Although the journal has undergone many changes over the past 100 years (in the title, the format, the language) reflecting the evolution in scientific publishing, it has consistently maintained the Pasteur tradition by publishing original reports on all aspects of microbiology. AIMS & SCOPE Originally founded as the « Annales de l’Institut Pasteur », Research in Microbiology has been a leading source of up-to-date information in the field of microbiology for more than a century. It publishes papers based on original research in fundamental and applied biology of bacteria, archaea and lower eukaryotes. It covers all aspects of microbial taxonomy, phylogeny, ecology, physiology and metabolism, molecular genetics and genomics, as well as interactions between microbes and interactions of microbes with their environment. Research in Microbiology currently publishes 10 issues a year, including an annual Forum issue, and contains original articles, reviews and letters to the Editor. On-line services: For online submission: http://pasteur.fontismedia.com/res For full-text articles, abstracts, contents, references: http://www.sciencedirect.com For the journal homepage at Elsevier: http://www.elsevier.com/locate/resmic