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Article

Frequency of Resistance to Benzimidazoles of Haemonchus contortus Helminths from Dairy Sheep, Goats, Cattle and Buffaloes in Greece

by
Konstantinos Arsenopoulos
1,
Styliani Minoudi
2,
Isaia Symeonidou
1,
Alexandros Triantafyllidis
2,
Angeliki I. Katsafadou
3,
Daphne T. Lianou
3,
George C. Fthenakis
3 and
Elias Papadopoulos
1,*
1
Laboratory of Parasitology and Parasitic Diseases, School of Veterinary Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
2
Laboratory of Genetics, Development and Molecular Biology, School of Biology, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
3
Veterinary Faculty, University of Thessaly, 43100 Karditsa, Greece
*
Author to whom correspondence should be addressed.
Pathogens 2020, 9(5), 347; https://doi.org/10.3390/pathogens9050347
Submission received: 4 April 2020 / Revised: 29 April 2020 / Accepted: 30 April 2020 / Published: 3 May 2020
(This article belongs to the Section Animal Pathogens)

Abstract

The study investigated the presence of resistance to benzimidazoles in Haemonchus contortus helminths from ruminant species in Greece through the detection of the Phe/Tyr polymorphism in the amino acid at position 200 of the β-tubulin protein. In total, 288 adult female H. contortus helminths collected from the abomasum of various ruminant animals in Greece were tested. Of these, 96 were collected from sheep, 96 from goats, 48 from cattle, and 48 from buffaloes. The frequencies of the homozygous and heterozygous resistant genotypes at the position 200 of the β-tubulin gene of helminths recovered from sheep were 96.9% and 3.1%, respectively. The frequencies of the homozygous and heterozygous resistant genotypes, respectively, were 100.0% and 0.0% in helminths from goats, 25.0% and 75.0% in helminths from cattle and 8.3% and 91.7% in helminths from buffaloes. In all parasitic populations, no homozygous susceptible genotypes were detected. The present study highlighted, for the first time, the emergence of benzimidazole-resistant H. contortus in goats, cattle, and buffaloes in Greece, using an allele-specific PCR. It is postulated that benzimidazole-resistant alleles were transferred from sheep or goats to cattle and buffaloes at the commonly grazing pastures in Greece.
Keywords: allele-specific PCR; benzimidazole resistance; buffalo; cattle; goat; Haemonchus contortus; sheep allele-specific PCR; benzimidazole resistance; buffalo; cattle; goat; Haemonchus contortus; sheep

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MDPI and ACS Style

Arsenopoulos, K.; Minoudi, S.; Symeonidou, I.; Triantafyllidis, A.; Katsafadou, A.I.; Lianou, D.T.; Fthenakis, G.C.; Papadopoulos, E. Frequency of Resistance to Benzimidazoles of Haemonchus contortus Helminths from Dairy Sheep, Goats, Cattle and Buffaloes in Greece. Pathogens 2020, 9, 347. https://doi.org/10.3390/pathogens9050347

AMA Style

Arsenopoulos K, Minoudi S, Symeonidou I, Triantafyllidis A, Katsafadou AI, Lianou DT, Fthenakis GC, Papadopoulos E. Frequency of Resistance to Benzimidazoles of Haemonchus contortus Helminths from Dairy Sheep, Goats, Cattle and Buffaloes in Greece. Pathogens. 2020; 9(5):347. https://doi.org/10.3390/pathogens9050347

Chicago/Turabian Style

Arsenopoulos, Konstantinos, Styliani Minoudi, Isaia Symeonidou, Alexandros Triantafyllidis, Angeliki I. Katsafadou, Daphne T. Lianou, George C. Fthenakis, and Elias Papadopoulos. 2020. "Frequency of Resistance to Benzimidazoles of Haemonchus contortus Helminths from Dairy Sheep, Goats, Cattle and Buffaloes in Greece" Pathogens 9, no. 5: 347. https://doi.org/10.3390/pathogens9050347

APA Style

Arsenopoulos, K., Minoudi, S., Symeonidou, I., Triantafyllidis, A., Katsafadou, A. I., Lianou, D. T., Fthenakis, G. C., & Papadopoulos, E. (2020). Frequency of Resistance to Benzimidazoles of Haemonchus contortus Helminths from Dairy Sheep, Goats, Cattle and Buffaloes in Greece. Pathogens, 9(5), 347. https://doi.org/10.3390/pathogens9050347

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