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Investigating The Functional Role Of Tick Antioxidants In Hematophagy And Vector Competence, Deepak Kumar Dec 2016

Investigating The Functional Role Of Tick Antioxidants In Hematophagy And Vector Competence, Deepak Kumar

Dissertations

Ticks are obligate hematophagous arthropods and harbor several pathogens which transmit various diseases to humans and their domesticated animals. Host blood- digestion in a tick midgut (MG) generates several reactive oxygen species (ROS), which are extremely toxic to essential macromolecules (e.g. DNA, proteins, and lipids) within the cell, resulting in high oxidative stress. Thus, this dissertation focuses on the questions of how tick homeostasis responds to high oxidative stress, and how ticks and their harbored pathogens survive the high surge of oxidative stress during blood digestion. We are specifically interested in the tick-pathogen, Rickettsia parkeri (R. parkeri, Rp), harbored ...