ProCite
RefWorks
Reference Manager
BibTeX
Zotero
EndNote
-
1.
Romer Y, Seijo AC, Crudo F, Nicholson WL, Varela-Stokes A, Lash RR, Paddock CD, 2011. Rickettsia parkeri rickettsiosis, Argentina. Emerg Infect Dis 17: 1169–1173.
-
2.
Violante RA, Cavallotto JL, Kandus P, 2008. Río de la Plata y Delta del Paraná. Ardolino A, Lema H, eds. Sitios de Interés Geológicos de la República Argentina. Servicio Geológico Minero Argentino. Buenos Aires, Argentina: Buenos Aires Instituto de Geología y Recursos Minerales Anales, 461–475.
-
3.
Seijo A, Picollo M, Nicholson WL, Paddock CD, 2007. Fiebre manchada por rickettsias en el Delta del Paraná: una enfermedad emergente. Medicina (B Aires) 67: 723–726.
-
4.
Nava S, Elshenawy Y, Eremeeva ME, Sumner JW, Mastropaolo M, Paddock CD, 2008. Rickettsia parkeri in Argentina. Emerg Infect Dis 14: 1894–1897.
-
5.
Romer Y, Seijo A, 2011. Fiebres manchadas por rickettsias en la Mesopotamia y Pampa Húmeda. Basualdo J, Cacchione R, Durlach R, Martino P, Seijo A, eds. Temas de Zoonosis V. Buenos Aires, Argentina: Asociación Argentina de Zoonosis, 147–151.
-
6.
Guglielmone AA, Nava S, Mastropaolo M, Mangold AJ, 2013. Distribution and genetic variation of Amblyomma triste (Acari: Ixodidae) in Argentina. Ticks Tick Borne Dis 4: 386–390.
-
7.
Denison AM, Amin BJ, Nicholson WL, Paddock CD, 2014. Detection of Rickettsia rickettsii, Rickettsia parkeri, and Rickettsia akari in skin biopsy specimens using a multiplex real-time polymerase chain reaction assay. Clin Infect Dis 59: 635–642.
-
8.
Paddock CD, Finley RW, Wright CS, Robinson HN, Schrodt BJ, Lane CC, Ekenna O, Blass MA, Tamminga CL, Ohl CA, McLellan SL, Goddard J, Holman RC, Openshaw JJ, Sumner JW, Zaki SR, Eremmeva ME, 2008. Rickettsia parkeri rickettsiosis and its clinical distinction from Rocky Mountain spotted fever. Clin Infect Dis 47: 1188–1196.
-
9.
Estrada-Peña A, Venzal JM, Mangold AJ, Cafrune MM, Guglielmone AA, 2005. The Amblyomma maculatum Koch, 1844 (Acari: Ixodidae: Amblyomminae) tick group: diagnostic characters, description of the larva of A. parvitarsum Neumann, 1901, 16S rDNA sequences, distribution and hosts. Syst Parasitol 60: 99–112.
-
10.
Jado I, Escudero R, Gil H, Jiménez-Alonso MI, Sousa R, García-Pérez AL, Rodríguez-Vargas M, Lobo B, Anda P, 2006. Molecular method for identification of Rickettsia species in clinical and environmental samples. J Clin Microbiol 44: 4572–4576.
-
11.
Regnery RL, Spruill CL, Plikaytis BD, 1991. Genotypic identification of rickettsiae and estimation of intraspecies sequence divergence for portions of two rickettsial genes. J Bacteriol 173: 1576–1589.
-
12.
Hall TA, 1999. BioEdit: a user friendly biological sequence alignment editor and analysis program for windows 95/98/NT. Nucleic Acids Symp Ser 41: 95–98.
-
13.
Thompson JD, Higgins D, Gibson TJ, 1994. CLUSTAL W: improving the sensitivity of progressive multiple sequence alignment through sequence weighting, position-specific gap penalities and weight matrix choice. Nucleic Acids Res 22: 4673–4680.
-
14.
Tamura K, Peterson D, Peterson N, Stecher G, Nei M, Kumar S, 2011. MEGA5: molecular evolutionary genetics analysis using maximum likelihood, evolutionary distance, and maximum parsimony methods. Mol Biol Evol 28: 2731–2739.
-
15.
Cicuttin G, Nava S, 2013. Molecular identification of Rickettsia parkeri infecting Amblyomma triste ticks in an area of Argentina where cases of rickettsiosis were diagnosed. Mem Inst Oswaldo Cruz 108: 123–125.
-
16.
Sumner JW, Durden LA, Goddard J, Stromdahl EY, Clark KL, Reeves WK, Paddock CD, 2007. Gulf Coast ticks (Amblyomma maculatum) and Rickettsia parkeri, United States. Emerg Infect Dis 13: 751–753.
-
17.
Ripoll CM, Remondegui CE, Ordoñez G, Arazamendi R, Fusaro H, Hyman MJ, Paddock CD, Zaki SR, Olson JG, Santos-Buch CA, 1999. Evidence of rickettsial spotted fever and ehrlichial infections in a subtropical territory of Jujuy, Argentina. Am J Trop Med Hyg 61: 350–354.
-
18.
Paddock CD, Fernandez S, Echenique GA, Sumner JW, Reeves WK, Zaki SR, Remondegui CE, 2008. Rocky Mountain spotted fever in Argentina. Am J Trop Med Hyg 78: 687–692.
-
19.
Garciá-Garciá JC, Portillo A, Nuñez MJ, Santibáñez S, Castro B, Oteo JA, 2010. Case report: a patient from Argentina infected with Rickettsia massiliae. Am J Trop Med Hyg 82: 691–692.
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20.
Labruna MB, 2009. Ecology of Rickettsia in South America. Ann N Y Acad Sci 1166: 156–166.
-
21.
Cragun WC, Bartlett BL, Ellis MW, Hoover AZ, Tyring SK, Mendoza N, Vento TJ, Nicholson WL, Eremeeva ME, Olano JP, Rapini RP, Paddock CD, 2010. The expanding spectrum of eschar associated rickettsioses in the United States. Arch Dermatol 146: 641–648.
-
22.
Myers T, Lalani T, Dent M, Jiang J, Daly PL, Maguire JD, Richards AL, 2013. Detecting Rickettsia parkeri infection from eschar swab specimens. Emerg Infect Dis 19: 778–780.
-
23.
Conti-Díaz I, Rubio I, Somma Moreira RE, Pérez Bórmida G, 1990. Lymphatic cutaneous rickettsiosis caused by Rickettsia conorii in Uruguay. Rev Inst Med Trop São Paulo 32: 313–318.
-
24.
Conti-Díaz IA, Moraes-Filho J, Pacheco RC, Labruna MB, 2009. Serological evidence of Rickettsia parkeri as the etiological agent of rickettsiosis in Uruguay. Rev Inst Med Trop Sao Paulo 51: 337–339.
-
25.
Burkart R, Bárbaro O, Sánchez RO, Gómez DA, 1999. Eco-regiones de la Argentina. Buenos Aires, Argentina: Administración de Parques Nacionales, Secretaría de Recursos Naturales y Desarrollo Sustentables.
-
26.
Nieri-Bastros FA, Szabó MPJ, Pacheco RC, Soares JF, Soares HS, Moraes-Filho J, Dias RA, Labruna MB, 2013. Comparative evaluation of infected and noninfected Amblyomma triste ticks with Rickettsia parkeri, the agent of an emerging rickettsiosis in the New World. Biomed Res Int 2013: 402737.
-
27.
Venzal JM, Portillo A, Estrada-Peña A, Castro O, Cabrera P, Oteo JA, 2004. Rickettsia parkeri in Amblyomma triste from Uruguay. Emerg Infect Dis 10: 1493–1495.
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Pacheco RC, Venzal JM, Richtzenhain LJ, Labruna MB, 2006. Rickettsia parkeri in Uruguay. Emerg Infect Dis 12: 1804–1805.
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Venzal JM, Estrada-Peña A, Portillo A, Mangold AJ, Castro O, de Souza CG, Félix ML, Pérez-Martinez L, Santibáñez S, Oteo JA, 2012. Rickettsia parkeri: a rickettsial pathogen transmitted by ticks in endemic areas for spotted fever rickettsiosis in southern Uruguay. Rev Inst Med Trop Sao Paulo 54: 131–134.
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30.
Portillo A, García-García C, Sanz MM, Santibáñez S, Venzal JM, Oteo JA, 2013. Case report: a confirmed case of Rickettsia parkeri infection in a traveler from Uruguay. Am J Trop Med Hyg 89: 1203–1205.
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Rickettsia parkeri Rickettsiosis in Different Ecological Regions of Argentina and Its Association with Amblyomma tigrinum as a Potential Vector
Yamila Romer
Yamila Romer
Hospital F. J. Muñiz, Buenos Aires, Argentina; Instituto Nacional de Tecnología Agropecuaria, Consejo Nacional de Investigaciones Científicas y Técnicas, Rafaela, Santa Fe, Argentina; Sanatorio Allende, Córdoba, Argentina; Instituto de Zoonosis Luis Pasteur, Buenos Aires, Argentina; Infectious Diseases Pathology Branch and Rickettsial Zoonoses Branch, Centers for Disease Control and Prevention, Atlanta, Georgia
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Santiago Nava
Santiago Nava
Hospital F. J. Muñiz, Buenos Aires, Argentina; Instituto Nacional de Tecnología Agropecuaria, Consejo Nacional de Investigaciones Científicas y Técnicas, Rafaela, Santa Fe, Argentina; Sanatorio Allende, Córdoba, Argentina; Instituto de Zoonosis Luis Pasteur, Buenos Aires, Argentina; Infectious Diseases Pathology Branch and Rickettsial Zoonoses Branch, Centers for Disease Control and Prevention, Atlanta, Georgia
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Francisco Govedic
Francisco Govedic
Hospital F. J. Muñiz, Buenos Aires, Argentina; Instituto Nacional de Tecnología Agropecuaria, Consejo Nacional de Investigaciones Científicas y Técnicas, Rafaela, Santa Fe, Argentina; Sanatorio Allende, Córdoba, Argentina; Instituto de Zoonosis Luis Pasteur, Buenos Aires, Argentina; Infectious Diseases Pathology Branch and Rickettsial Zoonoses Branch, Centers for Disease Control and Prevention, Atlanta, Georgia
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Gabriel Cicuttin
Gabriel Cicuttin
Hospital F. J. Muñiz, Buenos Aires, Argentina; Instituto Nacional de Tecnología Agropecuaria, Consejo Nacional de Investigaciones Científicas y Técnicas, Rafaela, Santa Fe, Argentina; Sanatorio Allende, Córdoba, Argentina; Instituto de Zoonosis Luis Pasteur, Buenos Aires, Argentina; Infectious Diseases Pathology Branch and Rickettsial Zoonoses Branch, Centers for Disease Control and Prevention, Atlanta, Georgia
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Amy M. Denison
Amy M. Denison
Hospital F. J. Muñiz, Buenos Aires, Argentina; Instituto Nacional de Tecnología Agropecuaria, Consejo Nacional de Investigaciones Científicas y Técnicas, Rafaela, Santa Fe, Argentina; Sanatorio Allende, Córdoba, Argentina; Instituto de Zoonosis Luis Pasteur, Buenos Aires, Argentina; Infectious Diseases Pathology Branch and Rickettsial Zoonoses Branch, Centers for Disease Control and Prevention, Atlanta, Georgia
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Joseph Singleton
Joseph Singleton
Hospital F. J. Muñiz, Buenos Aires, Argentina; Instituto Nacional de Tecnología Agropecuaria, Consejo Nacional de Investigaciones Científicas y Técnicas, Rafaela, Santa Fe, Argentina; Sanatorio Allende, Córdoba, Argentina; Instituto de Zoonosis Luis Pasteur, Buenos Aires, Argentina; Infectious Diseases Pathology Branch and Rickettsial Zoonoses Branch, Centers for Disease Control and Prevention, Atlanta, Georgia
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Aubree J. Kelly
Aubree J. Kelly
Hospital F. J. Muñiz, Buenos Aires, Argentina; Instituto Nacional de Tecnología Agropecuaria, Consejo Nacional de Investigaciones Científicas y Técnicas, Rafaela, Santa Fe, Argentina; Sanatorio Allende, Córdoba, Argentina; Instituto de Zoonosis Luis Pasteur, Buenos Aires, Argentina; Infectious Diseases Pathology Branch and Rickettsial Zoonoses Branch, Centers for Disease Control and Prevention, Atlanta, Georgia
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Cecilia Y. Kato
Cecilia Y. Kato
Hospital F. J. Muñiz, Buenos Aires, Argentina; Instituto Nacional de Tecnología Agropecuaria, Consejo Nacional de Investigaciones Científicas y Técnicas, Rafaela, Santa Fe, Argentina; Sanatorio Allende, Córdoba, Argentina; Instituto de Zoonosis Luis Pasteur, Buenos Aires, Argentina; Infectious Diseases Pathology Branch and Rickettsial Zoonoses Branch, Centers for Disease Control and Prevention, Atlanta, Georgia
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Christopher D. Paddock
Christopher D. Paddock
Hospital F. J. Muñiz, Buenos Aires, Argentina; Instituto Nacional de Tecnología Agropecuaria, Consejo Nacional de Investigaciones Científicas y Técnicas, Rafaela, Santa Fe, Argentina; Sanatorio Allende, Córdoba, Argentina; Instituto de Zoonosis Luis Pasteur, Buenos Aires, Argentina; Infectious Diseases Pathology Branch and Rickettsial Zoonoses Branch, Centers for Disease Control and Prevention, Atlanta, Georgia
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Rickettsia parkeri, a newly recognized tick-borne pathogen of humans in the Americas, is a confirmed cause of spotted fever group rickettsiosis in Argentina. Until recently, almost all cases of R. parkeri rickettsiosis in Argentina have originated from the Paraná River Delta, where entomological surveys have identified populations of R. parkeri-infected Amblyomma triste ticks. In this report, we describe confirmed cases of R. parkeri rickettsiosis from Córdoba and La Rioja provinces, which are located several hundred kilometers inland, and in a more arid ecological region, where A. triste ticks do not occur. Additionally, we identified questing A. tigrinum ticks naturally infected with R. parkeri in Córdoba province. These data provide evidence that another human-biting tick species serves as a potential vector of R. parkeri in Argentina and possibly, other countries of South America.
Author Notes
Financial support: This work was funded by the US Department of Health and Human Services.
Authors' addresses: Yamila Romer, Infectious Diseases, Hospital F. J. Muñiz, Buenos Aires, Argentina, E-mail: yromer@hotmail.com. Santiago Nava, Instituto Nacional de Tecnologia Agropecuaria, Laboratorio de Parasitología e Inmunología Rafaela, Santa Fe, Argentina, E-mail: nava.santiago@inta.gob.ar. Francisco Govedic, Infectious Diseases, Sanatorio Allende, Córdoba, Argentina, E-mail: frangovedic@hotmail.com. Gabriel Cicuttin, Zoonoses, Instituto de Zoonosis Luis Pasteur, Buenos Aires, Argentina, E-mail: gcicuttin@gmail.com. Amy M. Denison, Infectious Diseases Pathology Branch, Centers for Disease Control and Prevention, Atlanta, GA, E-mail: crk6@cdc.gov. Joseph Singleton, Cecilia Y. Kato, and Christopher D. Paddock, Rickettsial Zoonoses Branch, Centers for Disease Control and Prevention, Atlanta, GA, E-mails: jsingleton@cdc.gov, hex0@cdc.gov, and cdp9@cdc.gov. Aubree J. Kelly, Bacterial Special Pathogens Branch, Centers for Disease Control and Prevention, Atlanta, GA, E-mail: hrr6@cdc.gov.
ProCite
RefWorks
Reference Manager
BibTeX
Zotero
EndNote
-
1.
Romer Y, Seijo AC, Crudo F, Nicholson WL, Varela-Stokes A, Lash RR, Paddock CD, 2011. Rickettsia parkeri rickettsiosis, Argentina. Emerg Infect Dis 17: 1169–1173.
-
2.
Violante RA, Cavallotto JL, Kandus P, 2008. Río de la Plata y Delta del Paraná. Ardolino A, Lema H, eds. Sitios de Interés Geológicos de la República Argentina. Servicio Geológico Minero Argentino. Buenos Aires, Argentina: Buenos Aires Instituto de Geología y Recursos Minerales Anales, 461–475.
-
3.
Seijo A, Picollo M, Nicholson WL, Paddock CD, 2007. Fiebre manchada por rickettsias en el Delta del Paraná: una enfermedad emergente. Medicina (B Aires) 67: 723–726.
-
4.
Nava S, Elshenawy Y, Eremeeva ME, Sumner JW, Mastropaolo M, Paddock CD, 2008. Rickettsia parkeri in Argentina. Emerg Infect Dis 14: 1894–1897.
-
5.
Romer Y, Seijo A, 2011. Fiebres manchadas por rickettsias en la Mesopotamia y Pampa Húmeda. Basualdo J, Cacchione R, Durlach R, Martino P, Seijo A, eds. Temas de Zoonosis V. Buenos Aires, Argentina: Asociación Argentina de Zoonosis, 147–151.
-
6.
Guglielmone AA, Nava S, Mastropaolo M, Mangold AJ, 2013. Distribution and genetic variation of Amblyomma triste (Acari: Ixodidae) in Argentina. Ticks Tick Borne Dis 4: 386–390.
-
7.
Denison AM, Amin BJ, Nicholson WL, Paddock CD, 2014. Detection of Rickettsia rickettsii, Rickettsia parkeri, and Rickettsia akari in skin biopsy specimens using a multiplex real-time polymerase chain reaction assay. Clin Infect Dis 59: 635–642.
-
8.
Paddock CD, Finley RW, Wright CS, Robinson HN, Schrodt BJ, Lane CC, Ekenna O, Blass MA, Tamminga CL, Ohl CA, McLellan SL, Goddard J, Holman RC, Openshaw JJ, Sumner JW, Zaki SR, Eremmeva ME, 2008. Rickettsia parkeri rickettsiosis and its clinical distinction from Rocky Mountain spotted fever. Clin Infect Dis 47: 1188–1196.
-
9.
Estrada-Peña A, Venzal JM, Mangold AJ, Cafrune MM, Guglielmone AA, 2005. The Amblyomma maculatum Koch, 1844 (Acari: Ixodidae: Amblyomminae) tick group: diagnostic characters, description of the larva of A. parvitarsum Neumann, 1901, 16S rDNA sequences, distribution and hosts. Syst Parasitol 60: 99–112.
-
10.
Jado I, Escudero R, Gil H, Jiménez-Alonso MI, Sousa R, García-Pérez AL, Rodríguez-Vargas M, Lobo B, Anda P, 2006. Molecular method for identification of Rickettsia species in clinical and environmental samples. J Clin Microbiol 44: 4572–4576.
-
11.
Regnery RL, Spruill CL, Plikaytis BD, 1991. Genotypic identification of rickettsiae and estimation of intraspecies sequence divergence for portions of two rickettsial genes. J Bacteriol 173: 1576–1589.
-
12.
Hall TA, 1999. BioEdit: a user friendly biological sequence alignment editor and analysis program for windows 95/98/NT. Nucleic Acids Symp Ser 41: 95–98.
-
13.
Thompson JD, Higgins D, Gibson TJ, 1994. CLUSTAL W: improving the sensitivity of progressive multiple sequence alignment through sequence weighting, position-specific gap penalities and weight matrix choice. Nucleic Acids Res 22: 4673–4680.
-
14.
Tamura K, Peterson D, Peterson N, Stecher G, Nei M, Kumar S, 2011. MEGA5: molecular evolutionary genetics analysis using maximum likelihood, evolutionary distance, and maximum parsimony methods. Mol Biol Evol 28: 2731–2739.
-
15.
Cicuttin G, Nava S, 2013. Molecular identification of Rickettsia parkeri infecting Amblyomma triste ticks in an area of Argentina where cases of rickettsiosis were diagnosed. Mem Inst Oswaldo Cruz 108: 123–125.
-
16.
Sumner JW, Durden LA, Goddard J, Stromdahl EY, Clark KL, Reeves WK, Paddock CD, 2007. Gulf Coast ticks (Amblyomma maculatum) and Rickettsia parkeri, United States. Emerg Infect Dis 13: 751–753.
-
17.
Ripoll CM, Remondegui CE, Ordoñez G, Arazamendi R, Fusaro H, Hyman MJ, Paddock CD, Zaki SR, Olson JG, Santos-Buch CA, 1999. Evidence of rickettsial spotted fever and ehrlichial infections in a subtropical territory of Jujuy, Argentina. Am J Trop Med Hyg 61: 350–354.
-
18.
Paddock CD, Fernandez S, Echenique GA, Sumner JW, Reeves WK, Zaki SR, Remondegui CE, 2008. Rocky Mountain spotted fever in Argentina. Am J Trop Med Hyg 78: 687–692.
-
19.
Garciá-Garciá JC, Portillo A, Nuñez MJ, Santibáñez S, Castro B, Oteo JA, 2010. Case report: a patient from Argentina infected with Rickettsia massiliae. Am J Trop Med Hyg 82: 691–692.
-
20.
Labruna MB, 2009. Ecology of Rickettsia in South America. Ann N Y Acad Sci 1166: 156–166.
-
21.
Cragun WC, Bartlett BL, Ellis MW, Hoover AZ, Tyring SK, Mendoza N, Vento TJ, Nicholson WL, Eremeeva ME, Olano JP, Rapini RP, Paddock CD, 2010. The expanding spectrum of eschar associated rickettsioses in the United States. Arch Dermatol 146: 641–648.
-
22.
Myers T, Lalani T, Dent M, Jiang J, Daly PL, Maguire JD, Richards AL, 2013. Detecting Rickettsia parkeri infection from eschar swab specimens. Emerg Infect Dis 19: 778–780.
-
23.
Conti-Díaz I, Rubio I, Somma Moreira RE, Pérez Bórmida G, 1990. Lymphatic cutaneous rickettsiosis caused by Rickettsia conorii in Uruguay. Rev Inst Med Trop São Paulo 32: 313–318.
-
24.
Conti-Díaz IA, Moraes-Filho J, Pacheco RC, Labruna MB, 2009. Serological evidence of Rickettsia parkeri as the etiological agent of rickettsiosis in Uruguay. Rev Inst Med Trop Sao Paulo 51: 337–339.
-
25.
Burkart R, Bárbaro O, Sánchez RO, Gómez DA, 1999. Eco-regiones de la Argentina. Buenos Aires, Argentina: Administración de Parques Nacionales, Secretaría de Recursos Naturales y Desarrollo Sustentables.
-
26.
Nieri-Bastros FA, Szabó MPJ, Pacheco RC, Soares JF, Soares HS, Moraes-Filho J, Dias RA, Labruna MB, 2013. Comparative evaluation of infected and noninfected Amblyomma triste ticks with Rickettsia parkeri, the agent of an emerging rickettsiosis in the New World. Biomed Res Int 2013: 402737.
-
27.
Venzal JM, Portillo A, Estrada-Peña A, Castro O, Cabrera P, Oteo JA, 2004. Rickettsia parkeri in Amblyomma triste from Uruguay. Emerg Infect Dis 10: 1493–1495.
-
28.
Pacheco RC, Venzal JM, Richtzenhain LJ, Labruna MB, 2006. Rickettsia parkeri in Uruguay. Emerg Infect Dis 12: 1804–1805.
-
29.
Venzal JM, Estrada-Peña A, Portillo A, Mangold AJ, Castro O, de Souza CG, Félix ML, Pérez-Martinez L, Santibáñez S, Oteo JA, 2012. Rickettsia parkeri: a rickettsial pathogen transmitted by ticks in endemic areas for spotted fever rickettsiosis in southern Uruguay. Rev Inst Med Trop Sao Paulo 54: 131–134.
-
30.
Portillo A, García-García C, Sanz MM, Santibáñez S, Venzal JM, Oteo JA, 2013. Case report: a confirmed case of Rickettsia parkeri infection in a traveler from Uruguay. Am J Trop Med Hyg 89: 1203–1205.
-
31.
Labruna M, Silveira I, Pacheco R, Szabó M, Ramos H, 2007. Rickettsia parkeri in Brazil. Emerg Infect Dis 13: 1111–1113.
-
32.
Nava S, Caparros JA, Mangold AJ, Guglielmone AA, 2006. Ticks (Acari: Ixodida: Argasidae, Ixodidae) infesting humans in northwestern Córdoba Province, Argentina. Medicina (B Aires) 66: 225–228.
-
33.
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