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Do Australian desert frogs co-accumulate counteracting solutes with urea during aestivation?
Journal of Experimental Biology
Australian desert frogs of the genera Neobatrachus, Cyclorana and Heleioporus experience significant dehydration, and iono- and osmoconcentration, during aestivation in the laboratory and accumulate substantial amounts of urea (100-200 mmol)(l-1). We expected a priori that aestivating frogs probably would not need to accumulate balancing osmolytes but would accumulate trimethylamine oxide (TMAO) or betaine as counteracting solutes to urea. These aestivating frogs did not co-accumulate apmid:8708581 fatcat:6glc7oh7encr7peyghzudxi2vu