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American Zoologist 1984 24(1):275-284; doi:10.1093/icb/24.1.275
© 1984 by The Society for Integrative and Comparative Biology
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Cellular Mechanisms of Organic Anion Transport in Crustacean Renal Tissue1

CHARLES W. HOLLIDAY and DAVID S. MILLER
Department of Biology, Lafayette College Easton, Pennsylvania 18042
Department of Physiology and Biophysics, Michigan Cancer Foundation 110 E. Warren Ave, Detroit, Michigan 48201

Decapod Crustacea appear to utilize two overall strategies for excretion of anionic wasteproducts and xenobiotics. One strategy utilizes a potent renal secretory system; the other utilizes both modest renal secretion and strong gut secretion (possibly aided by midgut gland conjugation). In crabs, the level of participation of the renal system in overall excretion is primarily determined bythe location of an anion pump and a carrier protein.

The bladder of Cancer borealis, which strongly secretes the model organic anion, p-aminohippuric acid (PAH), has a serosal organic anion pump and a luminal facilitated carrier. The bladder of Cancer trroratus, which reabsorbs PAH from bladder urine, has a luminal organic anion pump and a serosal facilitated carrier.


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