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Julien Alassimone

Affiliation / Function

Activity areas

  • Phytopathology
  • Molecular biology
  • Biosafety
  • Microscopy and image processing

Projects

Training / professional career

  • Since 2025 Senior scientist at FiBL Switzerland
  • 2020 - 2025 Laboratory manager, biosafety officer - Plant Pathology Group, ETH Zurich, Switzerland
  • 2017 - 2020 Specialized technician in microscopy, Plant Pathology Group, ETH Zurich, Switzerland
  • 2012 - 2017 Postdoctoral research associate in the fields of plant development, stomata, and cell fate, Stanford University, Stanford, USA
  • 2007 - 2012 PhD research associate, Department of Plant Molecular Biology and Root Development, University of Lausanne, Switzerland
  • 2006 - 2007 Research intern, Heavy Metal Tolerance Group, Department of Plant Physiology and Molecular Biology, INRA, Montpellier, France
  • 2006 Research intern, Biogemma, Mondonville, France

Publications

Publications that are not in the Organic Eprints archive

  • Minana-Posada S, Feurtey A, Alassimone J, McDonald BA, Lorrain C. Responses to Temperature Shocks in Zymoseptoria tritici Reveal Specific Transcriptional Reprogramming and Novel Candidate Genes for Thermal Adaptation. Phytopathology. 2025 Jun 13
  • Alassimone J, Praz C, Lorrain C, De Francesco A, Carrasco-López C, Faino L, Shen Z, Meile L, Sánchez-Vallet A. The Zymoseptoria tritici Avirulence Factor AvrStb6 Accumulates in Hyphae Close to Stomata and Triggers a Wheat Defense Response Hindering Fungal Penetration. Mol Plant Microbe Interact. 2024 May;37(5):432-444
  • Bernasconi A, Lorrain C, Flury P, Alassimone J, McDonald BA, Sánchez-Vallet A. Virulent strains of Zymoseptoria tritici suppress the host immune response and facilitate the success of avirulent strains in mixed infections. PLoS Pathog. 2023 Nov 16;19(11):e1011767
  • Feurtey A, Lorrain C, McDonald MC, Milgate A, Solomon PS, Warren R, Puccetti G, Scalliet G, Torriani SFF, Gout L, Marcel TC, Suffert F, Alassimone J, Lipzen A, Yoshinaga Y, Daum C, Barry K, Grigoriev IV, Goodwin SB, Genissel A, Seidl MF, Stukenbrock EH, Lebrun MH, Kema GHJ, McDonald BA, Croll D. A thousand-genome panel retraces the global spread and adaptation of a major fungal crop pathogen. Nat Commun. 2023 Feb 24;14(1):1059
  • Meile L, Garrido-Arandia M, Bernasconi Z, Peter J, Schneller A, Bernasconi A, Alassimone J, McDonald BA, Sánchez-Vallet A. Natural variation in Avr3D1 from Zymoseptoria sp. contributes to quantitative gene-for-gene resistance and to host specificity. New Phytol. 2023 May;238(4):1562-1577
  • Bernasconi A, Alassimone J, McDonald BA, Sánchez-Vallet A. Asexual reproductive potential trumps virulence as a predictor of competitive ability in mixed infections. Environ Microbiol. 2022 Sep;24(9):4369-4381
  • Gong Y, Alassimone J, Muroyama A, Amador G, Varnau R, Liu A, Bergmann DC. The Arabidopsis stomatal polarity protein BASL mediates distinct processes before and after cell division to coordinate cell size and fate asymmetries. Development. 2021 Sep 15;148(18):dev199919
  • Gong Y, Alassimone J, Varnau R, Sharma N, Cheung LS, Bergmann DC. Tuning self-renewal in the Arabidopsis stomatal lineage by hormone and nutrient regulation of asymmetric cell division. Elife. 2021 Mar 19;10:e63335
  • Barrett LG, Zala M, Mikaberidze A, Alassimone J, Ahmad M, McDonald BA, Sánchez-Vallet A. Mixed infections alter transmission potential in a fungal plant pathogen. Environ Microbiol. 2021 Apr;23(4):2315-2330
  • Saintenac C, Cambon F, Aouini L, Verstappen E, Ghaffary SMT, Poucet T, Marande W, Berges H, Xu S, Jaouannet M, Favery B, Alassimone J, Sánchez-Vallet A, Faris J, Kema G, Robert O, Langin T. A wheat cysteine-rich receptor-like kinase confers broad-spectrum resistance against Septoria tritici blotch. Nat Commun. 2021 Jan 19;12(1):433
  • Meile L, Peter J, Puccetti G, Alassimone J, McDonald BA, Sánchez-Vallet A. Chromatin Dynamics Contribute to the Spatiotemporal Expression Pattern of Virulence Genes in a Fungal Plant Pathogen. mBio. 2020 Oct 6;11(5):e02343-20
  • Doblas VG, Smakowska-Luzan E, Fujita S, Alassimone J, Barberon M, Madalinski M, Belkhadir Y, Geldner N. Root diffusion barrier control by a vasculature-derived peptide binding to the SGN3 receptor. Science. 2017 Jan 20;355(6322):280-284
  • Alassimone J, Fujita S, Doblas VG, van Dop M, Barberon M, Kalmbach L, Vermeer JE, Rojas-Murcia N, Santuari L, Hardtke CS, Geldner N. Polarly localized kinase SGN1 is required for Casparian strip integrity and positioning. Nat Plants. 2016 Jul 25;2:16113
  • Adrian J, Chang J, Ballenger CE, Bargmann BO, Alassimone J, Davies KA, Lau OS, Matos JL, Hachez C, Lanctot A, Vatén A, Birnbaum KD, Bergmann DC. Transcriptome dynamics of the stomatal lineage: birth, amplification, and termination of a self-renewing population. Dev Cell. 2015 Apr 6;33(1):107-18
  • Pfister A, Barberon M, Alassimone J, Kalmbach L, Lee Y, Vermeer JE, Yamazaki M, Li G, Maurel C, Takano J, Kamiya T, Salt DE, Roppolo D, Geldner N. A receptor-like kinase mutant with absent endodermal diffusion barrier displays selective nutrient homeostasis defects. Elife. 2014 Sep 16;3:e03115
  • Shahzad Z, Ranwez V, Fizames C, Marquès L, Le Martret B, Alassimone J, Godé C, Lacombe E, Castillo T, Saumitou-Laprade P, Berthomieu P, Gosti F. Plant Defensin type 1 (PDF1): protein promiscuity and expression variation within the Arabidopsis genus shed light on zinc tolerance acquisition in Arabidopsis halleri. New Phytol. 2013 Nov;200(3):820-833
  • Lee Y, Rubio MC, Alassimone J, Geldner N. A mechanism for localized lignin deposition in the endodermis. Cell. 2013 Apr 11;153(2):402-12
  • Alassimone, J. (2012). Molecular dissection of Arabidopsis thaliana endodermis development, structure and function. Doctoral dissertation, Université de Lausanne, Faculté de biologie et médecine.
  • Alassimone J, Roppolo D, Geldner N, Vermeer JE. The endodermis—development and differentiation of the plant's inner skin. Protoplasma. 2012 Jul;249(3):433-43
  • Roppolo D, De Rybel B, Dénervaud Tendon V, Pfister A, Alassimone J, Vermeer JE, Yamazaki M, Stierhof YD, Beeckman T, Geldner N. A novel protein family mediates Casparian strip formation in the endodermis. Nature. 2011 May 19;473(7347):380-3
  • Alassimone J, Naseer S, Geldner N. A developmental framework for endodermal differentiation and polarity. Proc Natl Acad Sci U S A. 2010 Mar 16;107(11):5214-9