We are committed to open science and therefore we are making efforts to publish all of our work in open access journals that do not restrict access to publications to subscribers. In addition, we believe in the productive use of pre-prints in the life-sciences so we are also making efforts to publish all of our work as pre-prints as well. In cases when we are unable to do so and you would like access to a particular publication, please contact us.

Publications from Blondel's Lab

  • Identification of a family of Vibrio type III secretion system effectors that contain a conserved serine/threonine kinase domain. N Plaza, K Garcia, MK Waldor, CJ Blondel. mSphere. 2021. 6(4):e0059921. doi: 10.1128/mSphere.00599-21.

       Preprinted in bioRxiv in 2020.12.11.418251; doi:

       Data deposited in Zenodo here.​

  • Complete Genome Sequences of 17 Clinical Campylobacter jejuni Strains from Chile. Bravo V, Porte L, Weitzel T, Varela C, Blondel CJ, Gonzalez-Escalona N. Microbiol Resource Announcements. 2020. doi:10.1128/MRA.00535-20

  • Draft Whole-Genome Sequences of 51 Campylobacter jejuni and 12 Campylobacter coli Clinical Isolates from Chile. Bravo V, Varela C, Porte L, Weitzel T, Kastanis GJ, Balkey M, Blondel CJ, Gonzalez-Escalona N. Microbiology Resource Announcements. 2020. DOI: 10.1128/MRA.00072-20

  • Analysis of the Zonula occludens Toxin Found in the Genome of the Chilean Non-toxigenic V. parahaemolyticus strain PMC53.7. Pérez-Reytor D, Pavón A, Lopez-Joven C, Ramírez-Araya S, Peña-Varas C, Plaza N, Alegría-Arcos M, Corsini G, Jaña V, Pavez L, Del Pozo T, Bastías R, Blondel CJ, Ramírez D, García K. Front Cell Infect Microbiol. 2020. doi: 10.3389/fcimb.2020.00482. 


  • Antimicrobial resistance in E. coli isolated from dairy calves and bedding material. Astorga F, Navarrete-Talloni MJ, Miró MP, Bravo V, Toro M, Blondel CJ,Hervé-Claude LP. Heliyon. 2019. 26;5(11):e02773. doi:10.1016/j.heliyon.2019.e02773. 

  • Exploring the Genomic Traits of Non-toxigenic Vibrio parahaemolyticus Strains Isolated in Southern Chile. Castillo D, Pérez-Reytor D, Plaza N, Ramírez-Araya S, Blondel CJ, Corsini G, Bastías R, Loyola DE, Jaña V, Pavez L, García K. Front Microbiol. 2018. 8;9:161. doi: 10.3389/fmicb.2018.00161.

Previous publications from Graduate School and Postdoctoral training

  • Transposon-insertion sequencing screens unveil requirements for EHEC growth and intestinal colonization. Warr AR, Hubbard TP, Munera D, Blondel CJ, Abel Zur Wiesch P, Abel S, Wang X, Davis BM, Waldor MK. PLoS Pathog. 2019. 12;15(8):e1007652. doi: 10.1371/journal.ppat.1007652. 

  • A FACS-Based Genome-wide CRISPR Screen Reveals a Requirement for COPI in Chlamydia trachomatis Invasion. Park JS, Helble JD, Lazarus JE, Yang G, Blondel CJ, Doench JG, Starnbach MN, Waldor MK. iScience. 2019. 11:71-84. doi:10.1016/j.isci.2018.12.011.

  • CRISPR Screen Reveals that EHEC's T3SS and Shiga Toxin Rely on Shared Host Factors for Infection.  Pacheco AR, Lazarus JE, Sit B, Schmieder S, Lencer WI, Blondel CJ, Doench JG, Davis BM, Waldor MK. MBio. 2018 Jun 19;9(3). pii: e01003-18. doi: 10.1128/mBio.01003-18.

  • CRISPR/Cas9 Screens Reveal Requirements for Host Cell Sulfation and Fucosylation in Bacterial Type III Secretion System-Mediated Cytotoxicity. Blondel CJ, Park JS, Hubbard TP, Pacheco AR, Kuehl CJ, Walsh MJ, Davis BM, Gewurz BE, Doench JG, Waldor MK. Cell Host Microbe. 2016 Aug 10;20(2):226-37.


  • Genetic analysis of Vibrio parahaemolyticus intestinal colonization. Hubbard TP, Chao MC, Abel S, Blondel CJ, Abel Zur Wiesch P, Zhou X, Davis BM, Waldor MK. Proc Natl Acad Sci U S A. 2016 May 31;113(22):6283-8.


  • Defined single-gene and multi-gene deletion mutant collections in Salmonella enterica sv Typhimurium. Porwollik S, Santiviago CA, Cheng P, Long F, Desai P, Fredlund J, Srikumar S, Silva CA, Chu W, Chen X, Canals R, Reynolds MM, Bogomolnaya L, Shields C, Cui P, Guo J, Zheng Y, Endicott-Yazdani T, Yang HJ, Maple A, Ragoza Y, Blondel CJ, Valenzuela C, Andrews-Polymenis H, McClelland M. PLoS One. 2014 Jul 9;9(7):e99820.


  • Only one of the two type VI secretion systems encoded in the Salmonella enterica serotype Dublin genome is involved in colonization of the avian and murine hosts. Pezoa D, Blondel CJ, Silva CA, Yang HJ, Andrews-Polymenis H, Santiviago CA, Contreras I. Vet Res. 2014 Jan 9;45:2


  • The type VI secretion system encoded in Salmonella pathogenicity island 19 is required for Salmonella enterica serotype Gallinarum survival within infected macrophages. Blondel CJ, Jiménez JC, Leiva LE, Alvarez SA, Pinto BI, Contreras F, Pezoa D, Santiviago CA, Contreras I. Infect Immun. 2013 Apr;81(4):1207-20.


  • Infection of mice by Salmonella enterica serovar Enteritidis involves additional genes that are absent in the genome of serovar Typhimurium. Silva CA, Blondel CJ, Quezada CP, Porwollik S, Andrews-Polymenis HL, Toro CS, Zaldívar M, Contreras I, McClelland M, Santiviago CA. Infect Immun. 2012 Feb;80(2):839-49.


  • Salmonella bongori provides insights into the evolution of the Salmonellae. Fookes M, Schroeder GN, Langridge GC, Blondel CJ, Mammina C, Connor TR, Seth-Smith H, Vernikos GS, Robinson KS, Sanders M, Petty NK, Kingsley RA, Bäumler AJ, Nuccio SP, Contreras I, Santiviago CA, Maskell D, Barrow P, Humphrey T, Nastasi A, Roberts M, Frankel G, Parkhill J, Dougan G, Thomson NR. PLoS Pathog. 2011 Aug;7(8):e1002191.


  • Type IV(B) pili are required for invasion but not for adhesion of Salmonella enterica serovar Typhi into BHK epithelial cells in a cystic fibrosis transmembrane conductance regulator-independent manner. Bravo D, Blondel CJ, Hoare A, Leyton L, Valvano MA, Contreras I. Microb Pathog. 2011 Nov;51(5):373-7.


  • Contribution of the type VI secretion system encoded in SPI-19 to chicken colonization by Salmonella enterica serotypes Gallinarum and Enteritidis. Blondel CJ, Yang HJ, Castro B, Chiang S, Toro CS, Zaldívar M, Contreras I, Andrews-Polymenis HL, Santiviago CA. PLoS One. 2010 Jul 22;5(7):e11724.


  • Spontaneous excision of the Salmonella enterica serovar Enteritidis-specific defective prophage-like element phiSE14. Santiviago CA, Blondel CJ, Quezada CP, Silva CA, Tobar PM, Porwollik S, McClelland M, Andrews-Polymenis HL, Toro CS, Zaldívar M, Contreras I. J Bacteriol. 2010 Apr;192(8):2246-54.


  • Comparative genomic analysis uncovers 3 novel loci encoding type six secretion systems differentially distributed in Salmonella serotypes. Blondel CJ, Jiménez JC, Contreras I, Santiviago CA. BMC Genomics. 2009 Aug 4;10:354.


  • Growth-phase regulation of lipopolysaccharide O-antigen chain length influences serum resistance in serovars of Salmonella. Bravo D, Silva C, Carter JA, Hoare A, Alvarez SA, Blondel CJ, Zaldívar M, Valvano MA, Contreras I. J Med Microbiol. 2008 Aug;57(Pt 8):938-46.


  • O-antigen modal chain length in Shigella flexneri 2a is growth-regulated through RfaH-mediated transcriptional control of the wzy gene. Carter JA, Blondel CJ, Zaldívar M, Alvarez SA, Marolda CL, Valvano MA, Contreras I. Microbiology. 2007 Oct;153(Pt 10):3499-507.