Mario J. Grijalva, Ph.D.
 

Access publications by Grijalva MJ in Pubmed

1. Grijalva MJ, Suarez-Davalos V, Villacis AG, Ocana-Mayorga S, Dangles O. 2012. Ecological factors related to the widespread distribution of sylvatic Rhodnius ecuadoriensis populations in southern Ecuador.  Parasites and Vectors. 13;5(1):17. [Full text]

2. Teodoro TM, Jannotti-Passos LK, Carvalho Odos S, Grijalva MJ, Baús EG, Caldeira RL. 2011. Hybridism between Biomphalaria cousini and Biomphalaria amazonica and its susceptibility to Schistosoma mansoni.
   Mem Inst Oswaldo Cruz. 2011 Nov;106(7):851-5. [Full text]

3. Mario J. Grijalva, Anita G. Villacís, Sofía Ocaña-Mayorga, César A. Yumiseva, Esteban G. Baus. 2011. Limitations of selective deltamethrin application for triatomine control in central coastal Ecuador. Parasites and Vectors. 4:20 (18 February 2011) [Full text]
    

4. Ocaña-Mayorga S, Llewellyn MS, Costales JA, Miles MA, Grijalva MJ. 2010. Sex, Subdivision, and Domestic Dispersal of Trypanosoma cruzi Lineage I in Southern Ecuador. PLoS Negl Trop Dis 4(12): e915. doi:10.1371/journal.pntd.0000915 [Full text]
    

5. Anita G. Villacis, Mario J. Grijalva, Silvia S. Catala. 2010. Phenotypic variability of Rhodnius ecuadoriensis populations at the Ecuadorian central and southern Andean region.  Journal of Medical Entomology. 47(6):1034-1043
    

6. Jose R. Loaiza, Marilyn E. Scott, Eldredge Bermingham, Oris I. Sanjur, Richard Wilkerson,
   Jose Rovira, Lina A. Gutiérrez, Margarita M. Correa, Mario J. Grijalva, Lotty Birnberg,
   Sara Bickersmith, Jan E. Conn. 2010. Late Pleistocene environmental changes lead to unstable demography
   and population divergence of Anopheles albimanus in the northern Neotropics. Molecular Phylogenetics and Evolution 57:1341–1346
    

7. Mario J. Grijalva, Francisco S. Palomeque, Anita G. Villacís, Carla L. Black, Laura Arcos-Terán. 2010. Absence of domestic triatomine colonies in an area where Chagas Disease is considered endemic in the coastal region of Ecuador. Memorias do Instituto Oswaldo Cruz. 105(5): 667-681.

    

8. Richard Reithinger, Mario J. Grijalva, Rosa F. Chiriboga, Belkisyolé Alarcón de Noya, Jaime R. Torres, Norma Pavia, Pablo Manrique-Saide, and Ricardo E. Gürtler. 2010. Rapid detection of Trypanosoma cruzi in human serum using an immunochromatographic dipstick test. Journal of Clinical Microbiology. 2010 Aug;48(8):3003-7.
    

9. Abad-Franch F, Ferraz G, Campos C, Palomeque FS, Grijalva MJ, Aguilar HM, Miles MA.
   2010. Modeling disease vector occurrence when detection is imperfect: infestation of Amazonian palm trees by triatomine bugs at three spatial scales. PLoS Negl Trop Dis. 2010 Mar 2;4(3):e620 [Full text]
    

10. C. Miguel Pinto, B. Dnate’ Baxter, J. Delton Hanson, Francisca M. Méndez-Harclerode, John R. Suchecki, Mario J. Grijalva, Charles F. Fulhorst, and Robert D. Bradley. 2010. Using Museum Collections to Detect Pathogens.  Journal of  Infectious Diseases. 16(2):356-357
     

11. Carla L. Black, Sofía Ocaña-Mayorga, Diana K. Riner, Jaime A. Costales, Mauricio S. Lascano, Laura Arcos-Terán, John S. Preisser, J. Richard Seed, and Mario J. Grijalva. 2010. Seroprevalence of Trypanosoma cruzi in rural ecuador and clustering of seropositivity within households.  American Journal of Tropical Medicine and Hygiene. 81(6): 1035-1040.
     

12. Victoria Suarez-Davalos, Olivier Dangles, Anita G. Villacis, Mario J. Grijalva. 2010 .  Microdistribution of sylvatic triatomine populations in Central-coastal Ecuador. Journal of Medical Entomology. 47(1): 80-88
     

13. Grijalva MJ, Chiriboga RF, Cueva GF, Arcos-Teran L. 2009. Evaluación externa del desempeño en serología para el marcador VIH en los bancos de sangre del Ecuador (2003 a 2008). [External performance evaluation in HIV serology in the blood banks of Ecuador (2003 to 2008). Boletín Epidemiológico (Ecuador) 52(6): 7 - 17
     

14. Grijalva M.J., Villacis, A. G. 2009. Presence of Rhodnius ecuadoriensis in Sylvatic Habitats in the
    Southern Highlands (Loja Province) of Ecuador. Journal of Medical Entomology 46(3): 708 -711
     

15. Schofield C.J.,  Grijalva M.J., Diotaiuti L. (2009) Distribución de los vectores de la Enfermedad de Chagas en países “no endémicos”: la posibilidad de transmisión vectorial fuera de América Latina. [Distribution of Chagas disease vectors in "non endemic" countries: Potential for vectorial transmission outside of Latin America]. Enfermedades Emergentes 11 (supl..1) 20-27.
     

16. Anita G Villacís, Laura Arcos-Terán, Mario J Grijalva. 2008. Life cycle, feeding and defecation patterns of Rhodnius ecuadoriensis (Lent & León 1958) (Hemiptera: Reduviidae: Triatominae) under laboratory conditions. Mem Inst Oswaldo Cruz, Rio de Janeiro, Vol. 103(7): 690-695 [See PDF]
     

17. Carla L. Black, Sofia Ocaña, Diana Riner, Jaime A. Costales, Mauricio S. Lascano, Santiago Davila, Laura Arcos-Teran, J. Richard Seed, and Mario J. Grijalva. 2007. Household Risk Factors For Trypanosoma cruzi Seropositivity In Two Geographic Regions Of Ecuador. Journal of Parasitology. 93 (1): 12-16.
     

18. C. Miguel Pinto, Sofía Ocaña-Mayorga, Mauricio S. Lascano, and Mario J. Grijalva. 2006. Infection By Trypanosomes In Marsupials And Rodents Associated With Human Dwellings In Ecuador. Journal of Parasitology. 92: 1251-1255.
     

19. Mario J. Grijalva, Rosa F. Chiriboga, Hans Vanhassel, Laura Arcos-Teran.  2005. Improving the safety of the blood supply in Ecuador through external performance evaluation of serological screening of blood donors. Journal of Clinical Virology 34 Suppl. 2. S47–S52
     

20. M. J. Grijalva ; F. S. Palomeque-Rodríguez ; J. A. Costales ; S. Davila ; L. Arcos-Teran. 2005. High Household Infestation Rates by Synanthropic Vectors of Chagas Disease in Southern Ecuador. Journal of Medical Entomology. 42(1): 68 - 74
     

21. Mario J. Grijalva, Luis Escalante, Rodrigo A. Paredes, Jaime A. Costales, Alberto Padilla, Edwin C. Rowland, H. Marcelo Aguilar and Jose Racines. 2003 . Seroprevalence and Risk Factors for Trypanosoma cruzi Infection in the Amazon Region of Ecuador. American Journal of Tropical Medicine and Hygiene. 69: 380-385. [See Medline record] [See article at AJTMH ]
     

22. Palomeque FS, Abad-Franch F, Grijalva, M.J. 2003. Notas sobre la biología y bionomía de Rhodnius robustus Larrouse, 1927 (Hemiptera: Reduviidae: Triatominae). Revista de la Pontificia Universidad Católica del Ecuador 71: 49-60
     

23. Pinto, C.M., Grijalva, M.J., Costales, J.A. 2003. Prevalencia de Trypanosoma cruzi en roedores y marsupiales en dos localidades de Manabí, Ecuador. Revista de la Pontificia Universidad Católica del Ecuador 71: 225-233
     

24. Michael J. James, Michael J. Yabsley, Oscar J. Pung, and Mario J. Grijalva. 2002. Amplification of Trypanosoma cruzi Specific Sequences in Formalin–fixed Raccoon Tissues Using Polymerase Chain Reaction. Journal of Parasitology. 85(5):989-993. [See Medline record]
     

25. Jeannette Guarner, Jeanine Bartlett, Sherif R. Zaki, Daniel G. Colley, Mario J. Grijalva, and Malcolm R. Powell. 2001. Mouse model for Chagas' disease: Immunohistochemical distribution of different stages of Trypanosoma cruzi in tissues throughout infection. American Journal of Tropical Medicine and Hygiene. 65(2):152-158. [See Medline record]
     

26. Herwaldt B.L., Grijalva M.J., Newsome A.L., McGhee C.R., Powell M.R., Nemec D.G., Steurer F.J., and Eberhard M.L. 2000. Use of polymerase chain reaction to diagnose the fifth reported U.S. case of autochthonous transmission of Trypanosoma cruzi – Tennessee 1998. Journal of  Infectious Diseases. Jan;181(1):395-399. [See Medline record] [See full text article]
     

27. Grijalva, M. J., Goodrum K., Rowland E. C. 1999. Characterization of Antigens released by Trypanosoma cruzi infected cells. Journal of Parasitology. 85(4):663-671. [See Medline record]
     

28. Grijalva, M. J., Chiriboga, R., Racines, J, Escalante, L. and Rowland, E. C. 1997. Screening for Trypanosoma cruzi in the blood supply by the Red Cross blood bank in Quito, Ecuador. American Journal of Tropical Medicine and Hygiene. 57(6 ):740-741. [See Medline record]
     

29. Grijalva, M. J., Rowland, E. C., Powell, M. R., McCormick, T. S., Escalante, L. 1995. Blood donors in a vector free zone of Ecuador are potentially infected with Trypanosoma cruzi. American Journal of Tropical Medicine and Hygiene 52(4):360-363. [See Medline record]