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ISS Staff

Fabio Tosini

Senior Researcher
+39 06 4990 3016
299, Viale Regina Elena
00161 - Rome (Italy)

Curriculum vitae

Biographical Notes

Dr. Tosini has a decennial experience in Molecular Biology of microorganisms and in the heterologous expression of recombinant proteins. In 1992 he worked as researcher at the Laboratory of Cell Biology of the Istituto Superiore di Sanità (ISS) on the site-specific recombination in Bacteria. In 1997 he was involved in a project with the colleagues of the Laboratory of Bacteriology and Medical Mycology (ISS) on the genetic mechanisms of the antibiotic resistance in the gram-negative Bacteria. In 2003 he moved to the Unit of Gastrointestinal and Tissue Parasitic Diseases of the Department of Infectious, Parasitic and Immunomediated Diseases (ISS). He has identified many proteins expressed from the parasite Cryptosporidium parvum and contributed to the CryptoDB proteomic database ( At present, he is a member of the editorial board of “The Open Parasitology Journal” and is in charge of the Cryptosporidium section at the CRLP.


  1. Cacciò SM, Sannella AR, Bruno A, Stensvold CR, David EB, Guimarães S, Manuali E, Magistrali CF, Mahdad K, Beaman M, Maserati R, Tosini F, Pozio E. Multilocus sequence typing of Dientamoeba fragilis identifies a major clone with widespread geographical distribution. International journal for parasitology 2016;46(12):793-798.
  2. David Boarato E, Guimarães S, de Oliveira AP, Goulart de Oliveira-Sequeira TC, Nogueira Bittencourt G, Moraes Nardi AR, Martins Ribolla PE, Bueno Franco RM, Nilson B, Tosini F, Bella A, Pozio E, Cacciò SM. Molecular characterization of intestinal protozoa in two poor communities in the State of São Paulo, Brazil. Parasites & vectors 2015;8:103.
  3. Van Lith L, Soba B, Villalba Vizcaino V, Svärd SG, Sprong H, Tosini F, Pozio E, Cacciò SM. A real-time assemblage-specific PCR assay for the detection of Giardia duodenalis assemblages A, B and E in fecal samples. Veterinary parasitology 2015;211(1-2):28-34.
  4. Cacciò S, Sannella AR, Mariano V, Valentini S, Berti F, Tosini F, Pozio E. A rare Cryptosporidium parvum genotype associated with infection of lambs and zoonotic transmission in Italy. Veterinary parasitology 2013;191(1-2):128-131.
  5. Vanni I, Cacciò S, van Lith L, Lebbad M, Svärd SG, Pozio E, Tosini F. Detection of Giardia duodenalis assemblages A and B in human feces by simple, assemblage-specific PCR assays. PLoS neglected tropical diseases 2012;6(8):e1776.
  6. Cacciò SM, Sannella AR, Manuali E, Tosini F, Sensi M, Crotti D, Pozio E. Pigs are a natural host of Dientamoeba fragilis genotypes found in humans. Emerging infectious diseases 2012;18(5):838-841.
  7. Tosini F, Drumo R, Elwin K, Chalmers RM, Pozio E, Cacciò SM. The CpA135 gene as a marker to identify Cryptosporidium species infecting humans. Parasitology international 2010;59(4):606-609.
  8. Lalle M, Rosati MA, Bien J, Hehl AB, Pozio E, Tosini F. Expression of Cryptosporidium parvum Cpa135/CpCCP1 chimeras in Giardia duodenalis: organization of the protein domains affects the protein secretion pathway. Experimental parasitology 2010;
  9. Ambrosini E, Serafini B, Lanciotti A, Tosini F, Scialpi F, Psaila R, Raggi C, Di Girolamo F, Petrucci TC, Aloisi F. Biochemical characterization of MLC1 protein in astrocytes and its association with the dystrophin-glycoprotein complex. Molecular and cellular neuroscience 2008;37(3):480-493.
  10. Snelling WJ, Lin Q, Moore JE, Millar BC, Tosini F, Pozio E, Dooley JSG, Lowery CJ. Proteomic analysis and protein expression during sporozoite excystation of Cryptosporidium parvum (Coccidia, Apicomplexa). Molecular & cellular proteomics 2007;6(2):346-355.
  11. Trasarti E, Pizzi E, Pozio E, Tosini F. The immunological selection of recombinant peptides from Cryptosporidium parvum reveals 14 proteins expressed at the sporozoite stage, 7 of which are conserved in other apicomplexa. Molecular and biochemical parasitology 2007;152(2):159-169.
  12. Ambrosini E, Scialpi F, Serafini B, Visentin S, Tosini F, Aloisi F. Overexpression of MLC1 in hela and astrocytoma cells. In: 7. European Meeting on Glial Cell Function in Health and Disease (Euroglia 2005). Abstracts; May 17-21, 2005; Amsterdam. 2005. p.109.
  13. Tosini F, Spano F, Gomez Morales MA, Possenti A, Trasarti E, Ludovisi A, Cherchi S, Amati M, Pozio E. Aspartil-proteasi e antigeni degli stadi invasivi di cryptosporidium e toxoplasma: nuove molecole bersaglio per lo sviluppo di chemio- ed immuno- terapie. In: Centro di coordinamento, organizzazione e verifica dei progetti per la lotta all'AIDS, ed. Quinto programma nazionale di ricerca sull'AIDS. Istituto Superiore di Sanità. Roma, 2-6 maggio 2005. Progress Report. Roma: Istituto Superiore di Sanità; 2005. (ISTISAN Congressi 05/C1). p.227.
  14. Mele R, Gomez Morales MA, Tosini F, Pozio E. Cryptospotidium parvum at different developmental stages modulates host cell apoptosis in vitro. Infection and immunity 2004;72(10):6061-6067.
  15. Tosini F, Agnoli A, Mele R, Sacchi L, Corona S, Gomez Morales MA, Pozio E. A new modular protein of Cryptosporidium parvum, with ricin B and LCCL domains, expressed in the sporozoite invasive stage. Molecular and biochemical parasitology 2004;134(1):137-147.
  16. Gomez Morales MA, Mele R, Ludovisi A, Bruschi F, Tosini F, Riganò R, Pozio E. Cryptosporidium parvum-specific CD4 TH1 cells from sensitized donors responding to both fractionated and recombinant antigenic proteins. Infection and immunity 2004;72(3):1306-1310.
  17. Mele R, Gomez Morales MA, Tosini F, Pozio E. HIV protease inhibitors reduce cryptosporidium parvum infection in both in vitro and in vivo models. In: Mandarino G, Marella AM, ed. International symposium Non conventional unexpected benefits of protease inhibitors in HAART. Istituto Superiore di Sanità. Rome, October 31, 2003. Abstract book. Roma: Istituto Superiore di Sanità; 2003. (ISTISAN Congressi 03/C4). p.16.
  18. Mele R, Gomez Morales MA, Tosini F, Pozio E. Detection and counting of cryptosporidium parvum in HCT-8 cells by flowcytometry. Parasite 2003;10(4):297-302.
  19. Mele R, Gomez Morales MA, Tosini F, Pozio E. Indinavir reduces Cryptosporidium parvum infection in both in vitro and in vivo models. International journal for parasitology 2003;33(7):757-764.
  20. Carattoli A, Tosini F, Giles WP, Rupp ME, Hinrichs SH, Angulo FG, Barrett TJ, Fey PD. Characterization of plasmids carrying CMY-2 from expanded-spectrum cephalosporin-resistant Salmonella strains isolated in the United States between 1996 and 1998. Antimicrobial agents and chemotherapy 2002;46(5):1269-1272.
  21. Villa L, Visca P, Tosini F, Pezzella C, Carattoli A. Composite integron array generated by insertion of an ORF341-type integron within a Tn21-like element. Microbial drug resistance 2002;8(1):1-8.
  22. Gomez Morales MA, Mele R, Tosini F, Bruschi F, Riganò R, Pozio E. Generation and characterisation of Cryptosporidium parvum CD4+ T-cell-lines from C. parvum-immune human donors [abstract]. Parassitologia 2002;44(Suppl. 1):83.
  23. Tosini F, Agnoli A, Mele R, Gomez Morales MA, Pozio E. Identification and characterisation of CpSA20, a Cryptosporidium parvum protein homologous to the yeast cell-cycle checkpoint hus 1. In: Biocca E, Corradetti A, Starkoff O, ed. Parassitologia; 11-14 giugno 2002; Grugliasco. Roma: Lombardo Editore; 2002. p.187.
  24. Mele R, Gomez Morales MA, Tosini F, Pozio E. In vitro and in vivo activity of human immunodeficiency virus protease inhibitors against Cryptosporidium parvum. In: 20. International Congress of Parasitology. Parasitology in a New World. Abstracts; August 4-9, 2002; Vancouver. 2002. p.300.
  25. Tosini F. Integration of integrons in res sites. Antimicrobial agents and chemotherapy 2002;46(6):2058-2059.
  26. Mele R, Gomez Morales MA, Tosini F, Pozio E. Retroviral protease inhibitors reduce Cryptosporidium parvum infection both in in vitro and in vivo models [proceedings]. Parassitologia 2002;44(Suppl. 1):108.
  27. Villa L, Visca P, Pezzella C, Tosini F, Carattoli A. A-38. Two class 1 integrons are both located within a Tn21-derivative, in IncFI plasmid of typhimurium. In: 101. General Meeting of the American Society for Microbiology (ASM). Abstracts; May 20-24, 2001; Orlando. 2001. p.9.
  28. Villa L, Visca P, Pezzella C, Tosini F, Carattoli A. Acquisizione di due integroni di classe I nel trasposone Tn21 localizzato su un plasmide IncFI di Salmonella enterica typhimurium. In: 3. Convegno della Federazione italiana scienze della vita (FISV). Atti; 21-25 settembre 2001; Riva del Garda. 2001. p.136.
  29. Villa L, Pezzella C, Tosini F, Visca P, Petrucca A, Carattoli A. Multiple-antibiotic resistance mediated by structurally related IncL/M plasmids carrying an extended-spectrum beta-lactamase gene and a class 1 integron. Antimicrobial agents and chemotherapy 2000;44(10):2911-2914.
  30. Falbo V, Carattoli A, Tosini F, Pezzella C, Dionisi AM, Luzzi I. Antibiotic resistance conferred by a conjugative plasmid and a class 1 integron in Vibrio cholerae 01 El Tor strains isolated in Albania and Italy. Antimicrobial agents and chemotherapy 1999;43(3):693-696.
  31. Tosini F, Cacciò SM, Tamburrini A, La Rosa G, Pozio E. Identification and characterisation of three antigenic proteins from Cryptosporidium parvum sporozoites using a DNA library expressing poly-histidine tagged peptides. International journal for parasitology 1999;29:1925-1933.
  32. Tosini F, Mele R, Gomez Morales MA, Cacciò SM, Tamburrini A, La Rosa G, Pozio E. Identification and characterization of three antigenic proteins from Cryptosporidium pervum sporozoites using a Dna library expressing poly-histidine tagged peptides. Roma: Istituto Superiore di Sanità; 1999. (Rapporti ISTISAN 99/11). p.372.
  33. Tosini F, Visca P, Luzzi I, Dionisi AM, Pezzella C, Petrucca A, Carattoli A. Class 1 Integron-borne multiple-antibiotic resistance carried by IncFI and IncL/M plasmids in Salmonella enterica serotype typhimurium. Antimicrobial agents and chemotherapy 1998;42(12):3053-3058.
  34. Carattoli A, Tosini F, Visca P. Multidrug-resistant Salmonella enterica serotype typhimurium infections [letter]. New England journal of medicine 1998;339(13):921-922.
  35. Tosini F, Venanzi S, Boschi A, Battaglia PA. The uvp1 gene on the R46 plasmid encodes a resolvase that catalyzes site-specific resolution involving the 5'-conserved segment of the adjacent integron In1. MGG. Molecular and general genetics 1998;258(4):404-411.

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