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PLANT DEFENSES — Professor Fiona Goggin extracts nematodes from a hydroponic nursery. The round nodes to the right of Goggin's finger are galls, signs of root damage from root-knot nematodes. The soilborne pests are uses in research to improve the plant defense response in soybeans to infection from nematodes and other soilborne diseases. (UA System Division of Agriculture photo by Fred Miller)
M81 (Bode's galaxy) and M82 (the cigar galaxy) are part of the M81 group - the nearest galaxy group to our own. These two galaxies are gravitationally interacting, which causes the starburst activity seen near the center of the smaller M82.
Taken with an unmodified Canon 50D and 100-400mm lens with 1.4X adaptor at 560 mm, f/8 and ISO 1600. 4 stacked shots ranging between 239 and 930 seconds totalling 39 minutes of exposure. Autoguiding by PHD Guiding software.
M.S. student Catalina Rodriguez prepares nitrocellulose membranes tagged with antibodies in order to detect the presence of specific proteins in order to help determine the role they play in plant defenses. (UA System Division of Agriculture photo by Fred Miller)