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| Content Provider | Springer Nature : BioMed Central |
|---|---|
| Author | Ropuia, Hun Ramliana, Van Pautu, Lalfakzuala Rosangkima, Gabriel Vanlalawmpuii, Ralte Ramdinthara, Zo |
| Abstract | Background & objectives Orientia tsutsugamushi, a bacterial pathogen of scrub typhus, is transmitted to humans through the bite of infected chigger mites, and rodents are the natural hosts of the disease vector. The traditional practices of the tribal ethnic groups (Mizo) of Mizoram state such as capturing and consumption of rat meat collected from the agricultural fields could be one source of vector-disease transmission route. The present study aimed to detect and identify the pathogen of scrub typhus from vectors collected from rice field rats which were captured by farmers for meat consumption purposes. Methods One hundred and fifty-six freshly captured rice field rats were examined for ectoparasites. Detection and genotyping of O. tsutsugamushi from ectoparasites were done by real-time PCR and conventional PCR using species-specific primers. Rodents and ectoparasites were identified down to the species level using morphological and molecular techniques. Results Rice field rats were identified as Rattus tanezumi and Rattus nitidus. A total of 7973 trombiculid mites collected from 156 rats were identified as Leptotrombidium deliense, Leptotrombidium fletcheri, and Leptotrombidium chiangraiensis. Of these, 26 pools of L. deliense and 15 pools of L. fletcheri tested positive for O. tsutsugamushi, and the O. tsutsugamushi detected belongs to Kato and Karp-related genotypes. Interpretation & conclusion The present study reported the presence of O. tsutsugamushi-infected chigger mites in the captured rats (R. tanezumi and R. nitidus). Direct contact with the rats as a result of rat-eating habits may correspond to the high incidence rate of scrub typhus cases in Mizoram. Preventive measures are crucial for the control of scrub typhus disease in Mizoram. |
| Related Links | https://bmcvetres.biomedcentral.com/counter/pdf/10.1186/s12917-025-04629-8.pdf |
| Ending Page | 9 |
| Page Count | 9 |
| Starting Page | 1 |
| File Format | HTM / HTML |
| ISSN | 17466148 |
| DOI | 10.1186/s12917-025-04629-8 |
| Journal | BMC Veterinary Research |
| Issue Number | 1 |
| Volume Number | 21 |
| Language | English |
| Publisher | BioMed Central |
| Publisher Date | 2025-03-08 |
| Access Restriction | Open |
| Subject Keyword | Veterinary Medicine Veterinary Science Zoology Transgenics Orientia tsutsugamushi Molecular detection Rodent hosts Field rats Mizo tribes Veterinary Medicine/Veterinary Science |
| Content Type | Text |
| Resource Type | Article |
| Subject | Veterinary Medicine |
| Journal Impact Factor | 2.3/2023 |
| 5-Year Journal Impact Factor | 2.6/2023 |
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