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UArizona researchers launch the Great Arizona Tick Check
As spring blooms across much of the state, University of Arizona researchers are encouraging the public to check for ticks and contribute to an important community health effort. Rosemary Brandt Today College of Agriculture& Life SciencesRhipicephalussanguineus_hires-small.jpg A male brown dog tick, Rhipicephalus sanguineus. Brown dog ticks are the primary vector for Rocky Mountain spotted fever in Arizona. CDC/ James GathanyHealthScience and TechnologyCollege of Agriculture and Life SciencesCollege of Public Health Media contact(s)Rosemary Brandt College of Agriculture and Life Sciencesrjbrandt@email.arizona...
Source: The University of Arizona: Health - March 17, 2023 Category: Universities & Medical Training Authors: rjbrandt Source Type: research

Characterization of α-Glucosidases From Lutzomyia longipalpis Reveals Independent Hydrolysis Systems for Plant or Blood Sugars
In this report, the authors consider that transglycosylation might be an adaptation for the obtention of monosaccharides from sucrose without the increase in osmolarity, as a simple hydrolytic reaction of a 0.7 M sucrose solution (phloem concentration) might result in osmotic shock for the midgut epithelial cells. In this respect, L. longipalpis enzymes might have the same biochemical adaptation. It would be very interesting to observe if this is a common trait of α-glucosidase from insects feeding on nectar or phloem sap, and verify if this is a case of evolutionary divergence or convergence. Two main mechanisms o...
Source: Frontiers in Physiology - April 9, 2019 Category: Physiology Source Type: research