First name: Marie
  Last name: Petitjean
  Function: Bioinformatician
  Position: Research Engineer
  Email: marie.petitjean

Research interest



2017: PhD in Biology, Université de Bourgogne-Franche-Comté (Besançon)
2014: Master degree in Bioinformatics, Université de Bordeaux
2012: Bachelor in Biology, specialized in Molecular Biology and Physiology, Université de Bordeaux

List of the main publications

Petitjean M, Condamine B, Burdet C, Denamur E, Ruppé E
Phylum barrier and Escherichia coli intra-species phylogeny drive the acquisition of antibiotic-resistance genes.
Microbial Genomics 2021

Exhaustive list of publications


Vigué L, Croce G, Petitjean M, Ruppé E, Tenaillon O, Weigt M
Deciphering polymorphism in 61,157 Escherichia coli genomes via epistatic sequence landscapes.
Nature Communications 2022, 13, 4030.

Rondinaud E, Clermont O, Petitjean M, Ruppe E, Esposito-Farèse M, Nazimoudine A, VRsg, Coignard B, Matheron S, Andremont A, Denamur E, Armand-Lefevre L
Acquisition of Enterobacterales carrying the colistin resistance gene mcr following travel to the tropics.
Journal of Travel Medicine 2022, taac141.

Lo S, Lolom I, Goldstein V, Petitjean M, Rondinaud E, Bunel-Gourdy V, Tran Dinh A, Wicky PH, Ruppé E, d'Humières C, Lucet JC, Armand-Lefèvre L
Simultaneous Hospital Outbreaks of New Delhi Metallo-β-Lactamase-Producing Enterobacterales Unraveled Using Whole-Genome Sequencing.
Microbiology Spectrum 2022, 10, e0228721.

Patrier J, Villageois-Tran K, Szychowiak P, Ruckly S, Gschwind R, Wicky PH, Gueye S, Armand-Lefevre L, Marzouk M, Sonneville R, Bouadma L, Petitjean M, Lamara F, de Montmollin E, Timsit JF, Ruppé E, FCCSG
Oropharyngeal and intestinal concentrations of opportunistic pathogens are independently associated with death of SARS-CoV-2 critically ill adults.
Critical Care (London, England) 2022, 26, 300.

Habib A, Lo S, Villageois-Tran K, Petitjean M, Malik SA, Armand-Lefèvre L, Ruppé E, Zahra R
Dissemination of carbapenemase-producing Enterobacterales in the community of Rawalpindi, Pakistan.
PloS One 2022, 17, e0270707.

d'Humières C, Gaïa N, Gueye S, de Lastours V, Leflon-Guibout V, Maataoui N, Duprilot M, Lecronier M, Rousseau MA, Gamany N, Lescure FX, Senard O, Deconinck L, Dollat M, Isernia V, Le Hur AC, Petitjean M, Nazimoudine A, Le Gac S, Chalal S, Ferreira S, Lazarevic V, Guigon G, Gervasi G, Armand-Lefèvre L, Schrenzel J, Ruppé E
Contribution of Clinical Metagenomics to the Diagnosis of Bone and Joint Infections.
Frontiers in Microbiology 2022, 13, 863777.


Deconinck L, Gschwind R, Petitjean M, Gueye S, Leflon-Guibout V, Maataoui N, Rondinaud E, Suard A, Gallais K, Richaud R, Fuchs A, Iung B, Alkhoder S, Ismaël S, Herrou J, Prié H, Armand-Lefèvre L, d'Humières C, Ruppé E
Endocarditis caused by Thalassospira sp.
IDCases 2021, 24, e01109.

Petitjean M, Condamine B, Burdet C, Denamur E, Ruppé E
Phylum barrier and Escherichia coli intra-species phylogeny drive the acquisition of antibiotic-resistance genes.
Microbial Genomics 2021

Armand-Lefèvre L, Rondinaud E, Desvillechabrol D, Mullaert J, Clermont O, Petitjean M, Ruppe E, Cokelaer T, Bouchier C, Tenaillon O, Ma L, Nooroya Y, Matheron S, The Voyag-R Study Group n, Andremont A, Denamur E, Kennedy SP
Dynamics of extended-spectrum beta-lactamase-producing Enterobacterales colonization in long-term carriers following travel abroad.
Microbial Genomics 2021, 7, 000576.

Milenkov M, Rasoanandrasana S, Rahajamanana LV, Rakotomalala RS, Razafindrakoto CA, Rafalimanana C, Ravelomandranto E, Ravaoarisaina Z, Westeel E, Petitjean M, Mullaert J, Clermont O, Raskine L, Samison LH, Endtz H, Andremont A, Denamur E, Komurian-Pradel F, Armand-Lefevre L
Prevalence, Risk Factors, and Genetic Characterization of Extended-Spectrum Beta-Lactamase Escherichia coli Isolated From Healthy Pregnant Women in Madagascar.
Frontiers in Microbiology 2021, 12, 786146.


Nicolas-Chanoine MH, Petitjean M, Mora A, Mayer N, Lavigne JP, Boulet O, Leflon-Guibout V, Blanco J, Hocquet D
The ST131 Escherichia coli H22 subclone from human intestinal microbiota: Comparison of genomic and phenotypic traits with those of the globally successful H30 subclone.
BMC microbiology 2017, 17, 71.