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Andrade-Silveira E, Ortega-Pacheco A, Jiménez-Coello M, Cárdenas-Marrufo M. Review of leptospirosis in dogs from Mexico: Epidemiology, diagnosis, prevention, and treatment. Vet World 2024; 17:1356-1361. [PMID: 39077439 PMCID: PMC11283609 DOI: 10.14202/vetworld.2024.1356-1361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2024] [Accepted: 05/24/2024] [Indexed: 07/31/2024] Open
Abstract
Leptospirosis, classified by the World Health Organization as an emerging and neglected disease, is caused by the zoonotic pathogen Leptospira interrogans. This review aims to outline the Mexican epidemic of L. interrogans in dogs, including diagnosis and prevention methods. This review article searched articles from the publishers Wiley, Springer, PubMed, Redalyc, SciElo, and Elsevier. Among the 200 Mexican articles concerning Leptospira epidemiology, diagnosis, treatment, and vaccination, those that failed to meet the set inclusion criteria were excluded. The worldwide study of L. interrogans has focused on this bacterium. In Mexico, up-to-date information on canine prevalence, diagnosis, and vaccine use is scarce. Flow cytometrically detected Salmonella serovars differ from those in current vaccines, emphasizing the importance of broadening vaccine serovar coverage.
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Affiliation(s)
- Estefanía Andrade-Silveira
- Department of Animal Health and Preventive Medicine, Autonomous University of Yucatán, Mérida, Yucatán, México
| | - Antonio Ortega-Pacheco
- Department of Animal Health and Preventive Medicine, Autonomous University of Yucatán, Mérida, Yucatán, México
| | - Matilde Jiménez-Coello
- Microbiology Laboratory, CIR “Hideyo Noguchi”, Autonomous University of Yucatán, Mérida, Yucatán, México
| | - María Cárdenas-Marrufo
- Interinstitutional Clinical and Epidemiological Research Unit, Autonomous University of Yucatan, Merida, Yucatan, México
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Piredda I, Bertoldi L, Pedditzi A, Pintore P, Palmas B, Chisu V. Co-Infection by Leptospira montravelensis and Leptospira interrogans Serovar Pomona in Urine Samples of Donkeys and Pigs in Sardinia, Italy. Animals (Basel) 2023; 13:1803. [PMID: 37889694 PMCID: PMC10251853 DOI: 10.3390/ani13111803] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 05/23/2023] [Accepted: 05/27/2023] [Indexed: 10/29/2023] Open
Abstract
Saprophytic leptospires are spirochetes enclosed within the non-pathogenic clade of the genus Leptospira, which in turn is subdivided into two subclades S1 and S2. To date, the microorganisms included in these subclades have been isolated from the environment in various parts of the world, and are believed to have no known animal reservoirs. After a case of Leptospira interrogans serovar Pomona was notified to the owner of a farm in Sardinia, all of the farm animals (11 pigs and 3 donkeys) were examined for the presence of Leptospira. Sera of all tested animals resulted positive for antibodies to Leptospira using a microscopic agglutination test (MAT). Moreover, nine (82%) kidney samples from pigs and three urine samples collected from donkeys (100%) tested positive for Leptospira DNA after qPCR. Results obtained after MLST analysis and sequencing of rrs, rpoB, and secY genes, performed on six Leptospira strains isolated in culture, revealed the presence of the genomospecies L. interrogans serovar Pomona in the kidney samples. Conversely, whole-genome sequencing combined with mean nucleotide identity revealed the presence of the saprophytic L. montravelensis in the urine samples. Our results report, for the first time, the isolation of a saprophytic species from mammalian urine, suggesting a new ecological specialization for these bacteria, with a possible transition from free-living to a symbiotic lifestyle. Further studies will have to be conducted to understand the evolution of virulence of these bacteria, potential infectivity, and possible public health implications.
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Affiliation(s)
- Ivana Piredda
- Laboratory of Sieroimmunology, Animal Health Department, Istituto Zooprofilattico Sperimentale della Sardegna, 07100 Sassari, Italy; (A.P.); (P.P.); (B.P.); (V.C.)
| | - Loris Bertoldi
- BMR Genomics s.r.l., Via Redipuglia 22, 35131 Padova, Italy;
| | - Aureliana Pedditzi
- Laboratory of Sieroimmunology, Animal Health Department, Istituto Zooprofilattico Sperimentale della Sardegna, 07100 Sassari, Italy; (A.P.); (P.P.); (B.P.); (V.C.)
| | - Pierangela Pintore
- Laboratory of Sieroimmunology, Animal Health Department, Istituto Zooprofilattico Sperimentale della Sardegna, 07100 Sassari, Italy; (A.P.); (P.P.); (B.P.); (V.C.)
| | - Bruna Palmas
- Laboratory of Sieroimmunology, Animal Health Department, Istituto Zooprofilattico Sperimentale della Sardegna, 07100 Sassari, Italy; (A.P.); (P.P.); (B.P.); (V.C.)
| | - Valentina Chisu
- Laboratory of Sieroimmunology, Animal Health Department, Istituto Zooprofilattico Sperimentale della Sardegna, 07100 Sassari, Italy; (A.P.); (P.P.); (B.P.); (V.C.)
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LeCount K, Fox K, Anderson T, Bayles DO, Stuber T, Hicks J, Schlater LK, Nally JE. Isolation of Leptospira kirschneri serovar Grippotyphosa from a red panda ( Ailurus fulgens) after antimicrobial therapy: Case report. Front Vet Sci 2023; 9:1064147. [PMID: 36819120 PMCID: PMC9932277 DOI: 10.3389/fvets.2022.1064147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Accepted: 12/28/2022] [Indexed: 02/05/2023] Open
Abstract
A 1-year-old female red panda started showing symptoms of illness, including lethargy, anorexia, abdominal discomfort, and vomiting, shortly after transfer to a new zoo. Serum was tested for leptospirosis using the microscopic agglutination test, and a titer of 1:25,600 to serogroup Grippotyphosa was detected. Antimicrobial treatment with doxycycline was initiated. After completion of treatment and resolution of clinical symptoms, a urine sample was collected to ensure clearance of leptospires and cessation of urinary shedding prior to co-housing with other red pandas. A repeat serum sample taken 13 days later had a lower titer of 1:6,400 to serogroup Grippotyphosa. A sample of the animal's urine was cultured in HAN media and was culture positive for Leptospira. The recovered isolate was completely characterized by whole genome sequencing and serotyping with reference antisera, and the isolate was classified as Leptospira kirschneri serogroup Grippotyphosa serovar Grippotyphosa strain RedPanda1.
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Affiliation(s)
- Karen LeCount
- National Veterinary Services Laboratories, Animal Plant and Health Inspection Service (APHIS), U.S. Department of Agriculture, Ames, IA, United States,National Center for Animal Health (NCAH) Leptospira Working Group, U.S. Department of Agriculture, Ames, IA, United States
| | - Kami Fox
- Fort Wayne Children's Zoo, Fort Wayne, IN, United States
| | - Tammy Anderson
- National Veterinary Services Laboratories, Animal Plant and Health Inspection Service (APHIS), U.S. Department of Agriculture, Ames, IA, United States,National Center for Animal Health (NCAH) Leptospira Working Group, U.S. Department of Agriculture, Ames, IA, United States
| | - Darrell O. Bayles
- Infectious Bacterial Diseases Research Unit, Agricultural Research Service (ARS), U.S. Department of Agriculture, Ames, IA, United States
| | - Tod Stuber
- National Veterinary Services Laboratories, Animal Plant and Health Inspection Service (APHIS), U.S. Department of Agriculture, Ames, IA, United States
| | - Jessica Hicks
- National Veterinary Services Laboratories, Animal Plant and Health Inspection Service (APHIS), U.S. Department of Agriculture, Ames, IA, United States
| | - Linda K. Schlater
- National Veterinary Services Laboratories, Animal Plant and Health Inspection Service (APHIS), U.S. Department of Agriculture, Ames, IA, United States,National Center for Animal Health (NCAH) Leptospira Working Group, U.S. Department of Agriculture, Ames, IA, United States
| | - Jarlath E. Nally
- National Center for Animal Health (NCAH) Leptospira Working Group, U.S. Department of Agriculture, Ames, IA, United States,Infectious Bacterial Diseases Research Unit, Agricultural Research Service (ARS), U.S. Department of Agriculture, Ames, IA, United States,*Correspondence: Jarlath E. Nally ✉
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