Arne Christensen  
Arne Christensen
Associate Professor, Biology
Office: Science Building, Room 10
Office Hours: 
By appointment
Doctor of Philosophy, Molecular and Cellular Biology, University of Massachusetts
Bachelor of Science, Biology, University of Massachusetts
Arne Christensen earned his Ph.D. in Molecular and Cellular Biology from the University of Massachusetts Amherst; his thesis research was in the area of vertebrate retinal development.  His postdoctoral research at S.O. Conte Anadromous Fish Research Center focused on fish osmoregulatorySpotlightChristensen2 physiology.  He currently collaborates with Anna Maria undergraduate students working on research projects with foci on invertebrate osmoregulation and ecotoxicology.  He teaches a wide range of courses in the life sciences in including Anatomy and Physiology and Cell Biology.
Courses Taught at Anna Maria:
Biology I
Biology II
Cell Biology
Anatomy and Physiology I
Anatomy and Physiology II
Research Interests:
Vertebrate Physiology, Cell Biology, Developmental Biology
Christensen AK, Regish A, McCormick SD. Shifts in the relationship between mRNA and protein abundance of gill ion-transporters during smolt development and seawater acclimation in Atlantic salmon (Salmo salar). Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology. 2018 221: 63-73. Christensen AK, Owusu N, Jean-Louis D. Carapace epithelia are rich in large filamentous actin bundles in Daphnia magna, Daphnia pulex and Sida crystallina(Crustacea: Cladocera). Invertebrate Biology. 
2017 137: 49-59. McCormick SD, Regish A, Christensen AK, Bjornsson TB. Differential regulation of
sodium-potassium pump isoforms during smolt development and seawater
exposure of Atlantic salmon. Journal of Experimental Biology. 2013 216: 1142-1151. Christensen AK, Hiroi J, Schultz ET, McCormick SD. Branchial ionocyte organization and
ion transport protein expression in juvenile alewives acclimated to freshwater or
seawater. Journal of Experimental Biology. 2012 215: 642-652. McCormick SD, Regish A, Christensen AK. Distinct freshwater and seawater isoforms of
Na+/K+-ATPase in gill chloride cells of Atlantic salmon. Journal of Experimental Biology.
2009 212: 3994-4001. Christensen AK and Jensen AM. Tissue-specific requirements for specific domains within
Moe/Epb4.1l5 during early zebrafish development. BMC Developmental Biology 2008 8:3.
(awarded image of the month). Hsu YC, Willoughby JJ, Christensen AK, Jensen AM. Mosaic Eyes is a novel component of the
Crumbs complex and negatively regulates photoreceptor apical size. Development 2006
133(24):4849-59. Newmyer SL, Christensen A, Sever S. Auxilin-dynamin interactions link the uncoating ATPase
chaperone machinery with vesicle formation. Developmental Cell 2003 4(6):929-40.