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Contact: Karen Kreeger
University of Pennsylvania School of Medicine


Caption: These are mitochondria (orange) in close contact with endoplasmic reticulum. The flashes are the localized release of calcium through the IP3 receptor from the endoplasmic reticulum that is taken up by mitochondria to promote the production of ATP.

Credit: The image is modified from the original artwork of Odra Noel, with her permission (http://www.odranoel.eu).

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Related news release: Calcium connections: Basic pathway for maintaining cell's fuel stores

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