Details

Autor(en) / Beteiligte

• Neff, Erik
• Evans, Christopher C
• Jimenez Castro, Pablo D
• Kaplan, Ray M
• Dharmarajan, Guha

Titel

Drug Resistance in Filarial Parasites Does Not Affect Mosquito Vectorial Capacity

Ist Teil von

• Pathogens (Basel), 2020-12, Vol.10 (1), p.2

Ort / Verlag

Switzerland: MDPI

Erscheinungsjahr

2020

Link zum Volltext

Quelle

EZB Electronic Journals Library

Beschreibungen/Notizen

• Parasite drug resistance presents a major obstacle to controlling and eliminating vector-borne diseases affecting humans and animals. While vector-borne disease dynamics are affected by factors related to parasite, vertebrate host and vector, research on drug resistance in filarial parasites has primarily focused on the parasite and vertebrate host, rather than the mosquito. However, we expect that the physiological costs associated with drug resistance would reduce the fitness of drug-resistant vs. drug-susceptible parasites in the mosquito wherein parasites are not exposed to drugs. Here we test this hypothesis using four isolates of the dog heartworm ( )-two drug susceptible and two drug resistant-and two vectors-the yellow fever mosquito ( ) and the Asian tiger mosquito ( )-as our model system. Our data indicated that while vector species had a significant effect on vectorial capacity, there was no significant difference in the vectorial capacity of mosquitoes infected with drug-resistant vs. drug-susceptible parasites. Consequently, contrary to expectations, our data indicate that drug resistance in does not appear to reduce the transmission efficiency of these parasites, and thus the spread of drug-resistant parasites in the vertebrate population is unlikely to be mitigated by reduced fitness in the mosquito vector.