NDLI: Physiological changes in Rhipicephalus microplus (Acari: Ixodidae) experimentally infected with entomopathogenic fungi

Content Provider	Springer Nature Link
Author	Angelo, Isabele C. Tunholi Alves, Vinícius M. Tunholi, Victor M. Peritto, Wendell M. S. Gôlo, Patrícia S. Camargo, Mariana G. Quinelato, Simone Pinheiro, Jairo Bittencourt, Vânia R. E. P.
Copyright Year	2014
Abstract	Carbohydrate metabolism plays an important role in the physiology and maintenance of energy stores within living organisms. However, when organisms are exposed to adverse physiological conditions, such as during pathogenic infection, these organisms begin to use alternative substrates (proteins and lipids) for energy production. This paper studied the carbohydrate metabolism of Rhipicephalus microplus after infection with Beauveria bassiana and Metarhizium anisopliae. The parameters evaluated were glucose concentration, enzymatic activities of lactate dehydrogenase (LDH), alanine aminostransferase (ALT) and aspartate aminostransferase (AST), amounts of uric acid and urea in the hemolymph, and amount of glycogen in the fat body. The results showed changes in nitrogenous products, including an increase in the amount of urea detected 48 h after infection with both fungi. The enzymatic activities of LDH, ALT, and AST were increased after infection. The amount of glucose was increased 24 h after infection with B. bassiana and was reduced 48 h after infection with both fungi. The amount of glycogen in the fat body was reduced at different times of infection with both fungi. These results demonstrate, for the first time, the changes in carbohydrate metabolism of R. microplus after infection with M. anisopliae and B. bassiana and contribute to a better understanding of this host-parasite relationship. Together with knowledge of diseases that affect these ticks and their susceptibility to entomopathogens, an understanding of tick physiology will be necessary for the effective implementation of current biological control methods and will assist in the discovery of new methods to control this ectoparasite.
Starting Page	219
Ending Page	225
Page Count	7
File Format	PDF
ISSN	09320113
Journal	Parasitology Research
Volume Number	114
Issue Number	1
e-ISSN	14321955
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2014-10-28
Publisher Place	Berlin/Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Ticks Biological control Glycogen LDH, ALT, and AST enzymes Medical Microbiology Microbiology Immunology
Content Type	Text
Resource Type	Article
Subject	Infectious Diseases Veterinary Parasitology Insect Science

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