Cryptosporidium parvum en gastrópodos silvestres como bioindicadores de contaminación fecal en ecosistemas terrestres / Cryptosporidium parvum in wild gastropods as bioindicators of fecal contamination in terrestrial ecosystems
Rev. chil. infectol
; 27(3): 211-218, jun. 2010. ilus
Article
in Spanish
| LILACS
| ID: lil-556591
Responsible library:
BR1.1
ABSTRACT
Cryptosporidium sp oocysts were detected in snails (Helix aspersa Milller) and slug (Deroceras reticulatum Milller) from the Valparaiso Region, Chile. Snails and slug were collected from public squares and private domestic gardens. Cryptosporidium sp oocysts were recovered from faeces of both species. Ziehl Neelsen stain, nested PCR, and sequencing analysis demonstrated a profile similar to that described for genotype C or 2 of the parasite. These results demonstrate that snails and slug could act as a reservoir and mechanic vector of C. parvum infection for humans and animals. Moreover, gastropods could serve as bioindicators of fecal soil contamination.
RESUMEN
Se detectó ooquistes de Cryptosporidium sp en caracoles (Helix aspersa Müller) y babosas (Deroce-ras reticulatum Müller) de la Región de Valparaíso, Chile. La recolección de caracoles y babosas se efectuó en parques públicos y jardines de diferentes hogares. Los ooquistes de Cryptosporidium sp fueron recuperados de las deposiciones de ambas especies. Después de la tinción de Ziehl Neelsen y la RPC anidada, el análisis de secuenciación demostró un patrón similar a lo descrito para el genotipo C o 2 del parásito. Estos resultados demuestran que los caracoles y babosas podrían actuar como reservorio y vectores mecánicos de la infección por Cryptosporidium. parvum para humanos y animales. Además, estos gastrópodos podrían ser usados como bio-indicadores de contaminación fecal del suelo.
Full text:
Available
Collection:
International databases
Health context:
SDG3 - Health and Well-Being
/
Neglected Diseases
Health problem:
Target 3.9: Reduce the amount of deaths produced by dangerous chemicals and the pollution of the air, water and soil
/
Neglected Diseases
/
Zoonoses
Database:
LILACS
Main subject:
Soil
/
Disease Reservoirs
/
Cryptosporidium parvum
/
Gastropoda
/
Feces
Limits:
Animals
Language:
Spanish
Journal:
Rev. chil. infectol
Journal subject:
Communicable Diseases
Year:
2010
Document type:
Article
/
Project document
Affiliation country:
Chile
/
Spain
Institution/Affiliation country:
Universidad de Granada/ES
/
Universidad de Valparaíso/CL