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León-Sosa A, Orlando SA, Mora-Jaramillo N, Calderón J, Rodriguez-Pazmino AS, Carvajal E, Guizado-Herrera D, Narváez Y, Sánchez E, Arreaga A, Zevallos JC, Carrillo C, Garcia-Bereguiain MA. First report of Bartonella henselae and Bartonella clarridgeiae carriage in stray cats from Ecuador and its link to a cat scratch disease outbreak in 2022. Acta Trop 2024; 257:107278. [PMID: 38851625 DOI: 10.1016/j.actatropica.2024.107278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2024] [Revised: 05/26/2024] [Accepted: 05/31/2024] [Indexed: 06/10/2024]
Abstract
INTRODUCTION The genus Bartonella includes species and subspecies of fastidious, facultative intracellular Gram-negative bacilli that infect a wide variety of mammalian reservoirs including cats and humans. In 2022, the Ecuadorian Ministry of Health reported an outbreak of cat scratch disease caused by B. henselae in the city of Guayaquil. Therefore, we aimed to characterize the presence of Bartonella spp. in domestic and stray cats from the area of Guayaquil where the outbreak happened in 2022. METHODS Whole blood samples of 100 domestic and stray cats were collected. Riboflavin synthase (ribC) and 16S rRNA genes detection was performed by PCR using Bartonella spp. specific primers, followed by Sanger sequencing and phylogenetic analysis. RESULTS 14 cats were positive for Bartonella spp. carriage. Phylogenetic analysis confirmed the presence of 12 cats infected with B. henselae and 2 cats with B. clarridgeiae. CONCLUSIONS There is a high prevalence of Bartonella spp. carriage in cats in the city of Guayaquil within the area where a recent cat scratch disease outbreak happened. Considering the high presence of cats and other domestic and stray animals in the city of Guayaquil, a One Health approach for surveillance and prevention of zoonotic diseases like cat scratch disease is needed.
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Affiliation(s)
- Ariana León-Sosa
- Instituto Nacional de Investigación en Salud Pública "Leopoldo Izquieta Pérez", Dirección Técnica de Investigación, Desarrollo e Innovación, Guayaquil, Ecuador
| | - Solon Alberto Orlando
- Instituto Nacional de Investigación en Salud Pública "Leopoldo Izquieta Pérez", Dirección Técnica de Investigación, Desarrollo e Innovación, Guayaquil, Ecuador; Universidad Espíritu Santo, Guayaquil, Ecuador
| | - Naomi Mora-Jaramillo
- Instituto Nacional de Investigación en Salud Pública "Leopoldo Izquieta Pérez", Dirección Técnica de Investigación, Desarrollo e Innovación, Guayaquil, Ecuador
| | - Joselyn Calderón
- Instituto Nacional de Investigación en Salud Pública "Leopoldo Izquieta Pérez", Dirección Técnica de Investigación, Desarrollo e Innovación, Guayaquil, Ecuador
| | | | - Elsy Carvajal
- One Health Research Group, Universidad de Las Américas, Quito, Ecuador
| | - David Guizado-Herrera
- Instituto Nacional de Investigación en Salud Pública "Leopoldo Izquieta Pérez", Dirección Técnica de Investigación, Desarrollo e Innovación, Guayaquil, Ecuador
| | - Yolanda Narváez
- Instituto Nacional de Investigación en Salud Pública "Leopoldo Izquieta Pérez", Dirección Técnica de Investigación, Desarrollo e Innovación, Guayaquil, Ecuador
| | - Eusebio Sánchez
- Instituto Nacional de Investigación en Salud Pública "Leopoldo Izquieta Pérez", Dirección Técnica de Investigación, Desarrollo e Innovación, Guayaquil, Ecuador
| | - Alma Arreaga
- Instituto Nacional de Investigación en Salud Pública "Leopoldo Izquieta Pérez", Dirección Técnica de Investigación, Desarrollo e Innovación, Guayaquil, Ecuador
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Minnick MF, Robinson AJ, Powell RD, Rowland TE. Experimental Colonization of Sand Flies ( Lutzomyia longipalpis; Diptera: Psychodidae) by Bartonella ancashensis. Vector Borne Zoonotic Dis 2023; 23:324-330. [PMID: 36939868 PMCID: PMC10278011 DOI: 10.1089/vbz.2022.0087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/21/2023] Open
Abstract
Background: Bartonella ancashensis is a recently described Bartonella species endemic to Peru, where it causes verruga peruana in humans. While the arthropod vector of B. ancashensis transmission is unknown, human coinfections with Bartonella bacilliformis suggest that phlebotomine sand flies are a vector. Materials and Methods: To address the hypothesis that sand flies are involved in the bacterium's transmission, Lutzomyia longipalpis sand flies were used as an infection model, together with green fluorescent protein-expressing B. ancashensis. Results: Results showed that bacterial infections were clearly established, limited to the anterior midgut of the female fly, and maintained for roughly 7 days. At 3-7 days postinfection, a prominent microcolony of aggregated bacteria was observed in the anterior midgut, immediately distal to the stomodeal valve of the esophagus. In contrast, eggs, diuretic fluid, feces, and other tissues were not infected. Conclusion: These results suggest that certain sand fly species within the endemic zone for B. ancashensis may play a role in the bacterium's maintenance and possibly in its transmission to humans.
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Affiliation(s)
- Michael F. Minnick
- Program in Cellular, Molecular, and Microbial Biology, Division of Biological Sciences, University of Montana, Missoula, Montana, USA
| | - Autumn J. Robinson
- Program in Cellular, Molecular, and Microbial Biology, Division of Biological Sciences, University of Montana, Missoula, Montana, USA
| | - Ruby D. Powell
- Program in Cellular, Molecular, and Microbial Biology, Division of Biological Sciences, University of Montana, Missoula, Montana, USA
| | - Tobin E. Rowland
- Entomology Branch, Walter Reed Army Institute of Research, Silver Spring, Maryland, USA
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Lydy SL, Lascano MS, Garcia-Perez JE, Williams-Newkirk AJ, Grijalva MJ. Seroprevalence and risk factors for infection with Bartonella bacilliformis in Loja province, Ecuador. Emerg Microbes Infect 2018; 7:115. [PMID: 29941982 PMCID: PMC6018114 DOI: 10.1038/s41426-018-0110-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2018] [Revised: 04/23/2018] [Accepted: 04/25/2018] [Indexed: 11/28/2022]
Abstract
The seroprevalence and epidemiology of Bartonella bacilliformis infection in the Andean highlands of Ecuador is largely unknown. We conducted a sero-epidemiologic survey of 319 healthy children aged 1-15 years living in six rural, mountain communities in Loja Province, Ecuador. Blood was collected by finger stick onto filter paper and dried, and the eluted sera analyzed for antibodies to B. bacilliformis by rPap31 ELISA. Demographic, entomologic, and household variables were assessed to investigate associated risk factors for antibody seropositivity to B. bacilliformis. Seroprevalence of 28% was found among children in the study communities. Increased risk of seropositivity was associated with the presence of lumber piles near houses. Decreased risk of seropositivity was observed with the presence of animal waste and incremental 100 meter increases in elevation. Although investigation of clinical cases of Carrion's disease was not within the scope of this study, our serology data suggest that infection of children with B. bacilliformis is prevalent in this region of Ecuador and is largely unrecognized and undiagnosed. This study highlights the need to further investigate the prevalence, pathogenesis, epidemiology, and disease impact of this pathogen in Ecuador.
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Affiliation(s)
- Shari L Lydy
- Centers for Disease Control and Prevention, Division of Vector-Borne Diseases, Rickettsial Zoonoses Branch, Atlanta, GA, USA.
| | - Mauricio S Lascano
- Department of Biomedical Sciences, Ohio University, Heritage College of Osteopathic Medicine, Infectious and Tropical Disease Institute, Athens, OH, USA
- Pontificia Universidad Católica del Ecuador, Centro de Investigación para la Salud en América Latina, Escuela de Ciencias Biológicas, Quito, Ecuador
- Organization for Tropical Studies-North American Branch, Tropical Diseases, Environmental Change and Human Health Program, Durham, NC, USA
| | - Josselyn E Garcia-Perez
- Pontificia Universidad Católica del Ecuador, Centro de Investigación para la Salud en América Latina, Escuela de Ciencias Biológicas, Quito, Ecuador
- School of Medicine, Department of Microbiology and Immunology, University of Colorado, Denver, CO, USA
| | - Amanda J Williams-Newkirk
- Centers for Disease Control and Prevention, Division of Vector-Borne Diseases, Rickettsial Zoonoses Branch, Atlanta, GA, USA
- Centers for Disease Control and Prevention, Division of Foodborne, Waterborne, and Environmental Diseases, Enteric Disease Laboratory Branch, Atlanta, GA, USA
| | - Mario J Grijalva
- Department of Biomedical Sciences, Ohio University, Heritage College of Osteopathic Medicine, Infectious and Tropical Disease Institute, Athens, OH, USA
- Pontificia Universidad Católica del Ecuador, Centro de Investigación para la Salud en América Latina, Escuela de Ciencias Biológicas, Quito, Ecuador
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Abstract
Carrion's disease (CD) is a neglected biphasic vector-borne illness related to Bartonella bacilliformis. It is found in the Andean valleys and is transmitted mainly by members of the Lutzomyia genus but also by blood transfusions and from mother to child. The acute phase, Oroya fever, presents severe anemia and fever. The lethality is high in the absence of adequate treatment, despite the organism being susceptible to most antibiotics. Partial immunity is developed after infection by B. bacilliformis, resulting in high numbers of asymptomatic carriers. Following infection there is the chronic phase, Peruvian warts, involving abnormal proliferation of the endothelial cells. Despite potentially being eradicable, CD has been expanded due to human migration and geographical expansion of the vector. Moreover, in vitro studies have demonstrated the risk of the development of antimicrobial resistance. These findings, together with the description of new Bartonella species producing CD-like infections, the presence of undescribed potential vectors in new areas, the lack of adequate diagnostic tools and knowledge of the immunology and bacterial pathogenesis of CD, and poor international visibility, have led to the risk of increasing the potential expansion of resistant strains which will challenge current treatment schemes as well as the possible appearance of CD in areas where it is not endemic.
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Affiliation(s)
- Cláudia Gomes
- Institute for Global Health, Barcelona Centre for International Health Research, Hospital Clínic, Universitat de Barcelona, Barcelona, Spain
| | - Joaquim Ruiz
- Institute for Global Health, Barcelona Centre for International Health Research, Hospital Clínic, Universitat de Barcelona, Barcelona, Spain
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Abstract
Since the reclassification of the genus Bartonella in 1993, the number of species has grown from 1 to 45 currently designated members. Likewise, the association of different Bartonella species with human disease continues to grow, as does the range of clinical presentations associated with these bacteria. Among these, blood-culture-negative endocarditis stands out as a common, often undiagnosed, clinical presentation of infection with several different Bartonella species. The limitations of laboratory tests resulting in this underdiagnosis of Bartonella endocarditis are discussed. The varied clinical picture of Bartonella infection and a review of clinical aspects of endocarditis caused by Bartonella are presented. We also summarize the current knowledge of the molecular basis of Bartonella pathogenesis, focusing on surface adhesins in the two Bartonella species that most commonly cause endocarditis, B. henselae and B. quintana. We discuss evidence that surface adhesins are important factors for autoaggregation and biofilm formation by Bartonella species. Finally, we propose that biofilm formation is a critical step in the formation of vegetative masses during Bartonella-mediated endocarditis and represents a potential reservoir for persistence by these bacteria.
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Minnick MF, Anderson BE, Lima A, Battisti JM, Lawyer PG, Birtles RJ. Oroya fever and verruga peruana: bartonelloses unique to South America. PLoS Negl Trop Dis 2014; 8:e2919. [PMID: 25032975 PMCID: PMC4102455 DOI: 10.1371/journal.pntd.0002919] [Citation(s) in RCA: 64] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Bartonella bacilliformis is the bacterial agent of Carrión's disease and is presumed to be transmitted between humans by phlebotomine sand flies. Carrión's disease is endemic to high-altitude valleys of the South American Andes, and the first reported outbreak (1871) resulted in over 4,000 casualties. Since then, numerous outbreaks have been documented in endemic regions, and over the last two decades, outbreaks have occurred at atypical elevations, strongly suggesting that the area of endemicity is expanding. Approximately 1.7 million South Americans are estimated to be at risk in an area covering roughly 145,000 km2 of Ecuador, Colombia, and Peru. Although disease manifestations vary, two disparate syndromes can occur independently or sequentially. The first, Oroya fever, occurs approximately 60 days following the bite of an infected sand fly, in which infection of nearly all erythrocytes results in an acute hemolytic anemia with attendant symptoms of fever, jaundice, and myalgia. This phase of Carrión's disease often includes secondary infections and is fatal in up to 88% of patients without antimicrobial intervention. The second syndrome, referred to as verruga peruana, describes the endothelial cell-derived, blood-filled tumors that develop on the surface of the skin. Verrugae are rarely fatal, but can bleed and scar the patient. Moreover, these persistently infected humans provide a reservoir for infecting sand flies and thus maintaining B. bacilliformis in nature. Here, we discuss the current state of knowledge regarding this life-threatening, neglected bacterial pathogen and review its host-cell parasitism, molecular pathogenesis, phylogeny, sand fly vectors, diagnostics, and prospects for control.
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Affiliation(s)
- Michael F. Minnick
- Division of Biological Sciences, University of Montana, Missoula, Montana, United States of America
| | - Burt E. Anderson
- Department of Molecular Medicine, Morsani College of Medicine, University of South Florida, Tampa, Florida, United States of America
| | - Amorce Lima
- Department of Molecular Medicine, Morsani College of Medicine, University of South Florida, Tampa, Florida, United States of America
| | - James M. Battisti
- Division of Biological Sciences, University of Montana, Missoula, Montana, United States of America
| | - Phillip G. Lawyer
- Laboratory of Parasitic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland, United States of America
| | - Richard J. Birtles
- School of Environment and Life Sciences, University of Salford, Salford, United Kingdom
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Sanchez Clemente N, Ugarte-Gil CA, Solórzano N, Maguiña C, Pachas P, Blazes D, Bailey R, Mabey D, Moore D. Bartonella bacilliformis: a systematic review of the literature to guide the research agenda for elimination. PLoS Negl Trop Dis 2012; 6:e1819. [PMID: 23145188 PMCID: PMC3493376 DOI: 10.1371/journal.pntd.0001819] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2012] [Accepted: 08/02/2012] [Indexed: 11/19/2022] Open
Abstract
Background Carrion's disease affects small Andean communities in Peru, Colombia and Ecuador and is characterized by two distinct disease manifestations: an abrupt acute bacteraemic illness (Oroya fever) and an indolent cutaneous eruptive condition (verruga Peruana). Case fatality rates of untreated acute disease can exceed 80% during outbreaks. Despite being an ancient disease that has affected populations since pre-Inca times, research in this area has been limited and diagnostic and treatment guidelines are based on very low evidence reports. The apparently limited geographical distribution and ecology of Bartonella bacilliformis may present an opportunity for disease elimination if a clear understanding of the epidemiology and optimal case and outbreak management can be gained. Methods All available databases were searched for English and Spanish language articles on Carrion's disease. In addition, experts in the field were consulted for recent un-published work and conference papers. The highest level evidence studies in the fields of diagnostics, treatment, vector control and epidemiology were critically reviewed and allocated a level of evidence, using the Oxford Centre for Evidence-Based Medicine (CEBM) guidelines. Results A total of 44 studies were considered to be of sufficient quality to be included in the analysis. The majority of these were level 4 or 5 (low quality) evidence and based on small sample sizes. Few studies had been carried out in endemic areas. Conclusions Current approaches to the diagnosis and management of Carrion's disease are based on small retrospective or observational studies and expert opinion. Few studies take a public health perspective or examine vector control and prevention. High quality studies performed in endemic areas are required to define optimal diagnostic and treatment strategies. Carrion's disease is one of the truly neglected tropical diseases. It affects children predominantly in small Andean communities in Peru, Colombia and Ecuador. Case fatality rates of untreated acute disease can exceed 80% during outbreaks. Diagnostic and treatment guidelines are based on very low evidence reports and public health and prevention programs have been limited. This paper presents the first systematic review of Carrion's disease in Peru and encompasses a detailed analysis of all the highest level evidence regarding not only diagnosis and management but also vector control and prevention. In the review, the authors highlight the considerable knowledge gaps in this field and suggest a strategy for a renewed effort in its investigation. The authors hope that through this work we will be able to develop a better understanding of the epidemiology, natural history and optimal approaches to case and outbreak
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Isolation and characterization of Bartonella bacilliformis from an expatriate Ecuadorian. J Clin Microbiol 2007; 46:627-37. [PMID: 18094131 DOI: 10.1128/jcm.01207-07] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Carrion's disease is typically biphasic with acute febrile illness characterized by bacteremia and severe hemolytic anemia (Oroya fever), followed by benign, chronic cutaneous lesions (verruga peruana). The causative agent, Bartonella bacilliformis, is endemic in specific regions of Peru and Ecuador. We describe atypical infection in an expatriate patient who presented with acute splenomegaly and anemia 3 years after visiting Ecuador. Initial serology and PCR of the patient's blood and serum were negative for Bartonella henselae, Bartonella quintana, and B. bacilliformis. Histology of splenic biopsy was suggestive of bacillary angiomatosis, but immunohistochemistry ruled out B. henselae and B. quintana. Bacilli (isolate EC-01) were subsequently cultured from the patient's blood and analyzed using multilocus sequence typing, protein gel electrophoresis with Western blotting, and an immunofluorescence assay (IFA) against a panel of sera from patients with Oroya fever in Peru. The EC-01 nucleotide sequences (gltA and internal transcribed spacer) and protein band banding pattern were most similar to a subset of B. bacilliformis isolates from the region of Caraz, Ancash, in Peru, where B. bacilliformis is endemic. By IFA, the patient's serum reacted strongly to two out of the three Peruvian B. bacilliformis isolates tested, and EC-01 antigen reacted with 13/20 Oroya fever sera. Bacilliary angiomatosis-like lesions were also detected in the spleen of the patient, who was inapparently infected with B. bacilliformis and who presumably acquired infection in a region of Ecuador where B. bacilliformis was not thought to be endemic. This study suggests that the range of B. bacilliformis may be expanding from areas of endemicity in Ecuador and that infection may present as atypical clinical disease.
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Daily JP, Waldron MA. Case records of the Massachusetts General Hospital. Weekly clinicopathological exercises. Case 22-2003. A 22-year-old man with chills and fever after a stay in South America. N Engl J Med 2003; 349:287-95. [PMID: 12867613 DOI: 10.1056/nejmcpc020030] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Affiliation(s)
- Johanna P Daily
- Infectious Disease Division, Brigham and Women's Hospital, and the Department of Medicine, Harvard Medical School and Harvard School of Public Health, Boston, USA
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Mallqui V, Speelmon EC, Verástegui M, Maguiña-Vargas C, Pinell-Salles P, Lavarello R, Delgado J, Kosek M, Romero S, Arana Y, Gilman RH. Sonicated diagnostic immunoblot for bartonellosis. CLINICAL AND DIAGNOSTIC LABORATORY IMMUNOLOGY 2000; 7:1-5. [PMID: 10618267 PMCID: PMC95812 DOI: 10.1128/cdli.7.1.1-5.2000] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Two simple Bartonella bacilliformis immunoblot preparation methods were developed. Antigen was prepared by two different methods: sonication of whole organisms or glycine extraction. Both methods were then tested for sensitivity and specificity. Well-defined control sera were utilized in the development of these diagnostic immunoblots, and possible cross-reactions were thoroughly examined. Sera investigated for cross-reaction with these diagnostic antigens were drawn from patients with brucellosis, chlamydiosis, Q fever, and cat scratch disease, all of whom were from regions where bartonellosis is not endemic. While both immunoblots yielded reasonable sensitivity and high specificity, we recommend the use of the sonicated immunoblot, which has a higher sensitivity when used to detect acute disease and produces fewer cross-reactions. The sonicated immunoblot reported here is 94% sensitive to chronic bartonellosis and 70% sensitive to acute bartonellosis. In a healthy group, it is 100% specific. This immunoblot preparation requires a simple sonication protocol for the harvesting of B. bacilliformis antigens and is well suited for use in regions of endemicity.
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Affiliation(s)
- V Mallqui
- Departamento de Patología, Universidad Peruana Cayetano Heredia, Lima Peru
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