Molecular detection of Leptospira spp. in small wild rodents from rural areas of São Paulo State, Brazil.

Evelyn Cristine da Silva, Felipe Fornazari, João Marcelo Azevedo de Paula Antunes, Larissa de Castro Demoner, Lucia Helena O'Dwyer de Oliveira, Marina Gea Peres, Jane Megid, Helio Langoni
Author Information
  1. Evelyn Cristine da Silva: Universidade Estadual Paulista, Instituto de Biotecnologia, Botucatu, SP, Brasil. ORCID
  2. Felipe Fornazari: Universidade Estadual Paulista, Departamento de Produção animal e Medicina Veterinária Preventiva, Botucatu, SP, Brasil. ORCID
  3. João Marcelo Azevedo de Paula Antunes: Universidade Federal Rural do Semiárido, Departamento de Ciência Animal, Mossoró, RN, Brasil. ORCID
  4. Larissa de Castro Demoner: Universidade Federal Rural do Semiárido, Departamento de Ciência Animal, Mossoró, RN, Brasil. ORCID
  5. Lucia Helena O'Dwyer de Oliveira: Universidade Estadual Paulista, Departamento de Biodiversidade e Bioestatística, Instituto de Biociências, Botucatu, SP, Brasil. ORCID
  6. Marina Gea Peres: Centro Universitário Sudoeste Paulista, Avaré, SP, Brasil. ORCID
  7. Jane Megid: Universidade Estadual Paulista, Departamento de Produção animal e Medicina Veterinária Preventiva, Botucatu, SP, Brasil. ORCID
  8. Helio Langoni: Universidade Estadual Paulista, Departamento de Produção animal e Medicina Veterinária Preventiva, Botucatu, SP, Brasil. ORCID

Abstract

BACKGROUND: Leptospirosis represents a One Health issue, affecting humans and animals. This study investigated pathogenic leptospires in small wild rodents in São Paulo, Brazil.
METHODS: Kidney samples from 164 rodents underwent qPCR testing, targeting pathogenic Leptospira spp.
RESULTS: Thirty-five animals (21.34%) tested positive, including five rodent species: Akodon montensis (2/21; 9.5%), Necromys lasiurus (1/4; 25%), Oligoryzomys nigripes (24/92; 26.1%), Oligoryzomys flavescens (5/26; 19.2%), and Sooretamys angouya (3/14; 21.4%). Botucatu municipality exhibited the highest prevalence, with 42.5% (20/47) of the animals testing positive.
CONCLUSIONS: The presence of Leptospira spp. in wild rodents suggests they may be chronic carriers, contaminating the environment.

References

  1. Curr Top Microbiol Immunol. 2015;387:65-97 [PMID: 25388133]
  2. PLoS Negl Trop Dis. 2014 Jun 05;8(6):e2902 [PMID: 24901706]
  3. Res Vet Sci. 2019 Jun;124:280-283 [PMID: 31004919]
  4. Acta Trop. 2018 Feb;178:205-212 [PMID: 29197499]
  5. PLoS Negl Trop Dis. 2016 Mar 25;10(3):e0004501 [PMID: 27015596]
  6. PLoS Negl Trop Dis. 2007 Oct 31;1(1):e56 [PMID: 17989782]
  7. J Clin Microbiol. 2003 Sep;41(9):4172-7 [PMID: 12958243]
  8. PLoS Negl Trop Dis. 2017 Jun 30;11(6):e0005722 [PMID: 28665952]
  9. Front Vet Sci. 2020 Dec 02;7:569004 [PMID: 33344523]
  10. Acta Trop. 2017 Dec;176:105-108 [PMID: 28760479]
  11. Diagn Microbiol Infect Dis. 2009 Jul;64(3):247-55 [PMID: 19395218]
  12. PLoS Negl Trop Dis. 2017 Aug 28;11(8):e0005831 [PMID: 28846678]

MeSH Term

Animals
Humans
Brazil
Leptospira
Rodentia
Leptospirosis
Sigmodontinae
Rodent Diseases

Word Cloud

Created with Highcharts 10.0.0rodentsanimalswildLeptospiraspppathogenicsmallSãoPauloBraziltesting21positive5%OligoryzomysBACKGROUND:LeptospirosisrepresentsOneHealthissueaffectinghumansstudyinvestigatedleptospiresMETHODS:Kidneysamples164underwentqPCRtargetingRESULTS:Thirty-five34%testedincludingfiverodentspecies:Akodonmontensis2/219Necromyslasiurus1/425%nigripes24/92261%flavescens5/26192%Sooretamysangouya3/144%Botucatumunicipalityexhibitedhighestprevalence4220/47CONCLUSIONS:presencesuggestsmaychroniccarrierscontaminatingenvironmentMoleculardetectionruralareasState

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