Sulfate uptake was about 60% reduced in the slim1 mutant exposed to S-deficiency, as well as transcript levels of several sulfate transporters, such as SULTR1;1, SULTR1;2, SULTR3;4, and SULTR4;2 [10, 11]. This evidence concerns the gene SLC26A2 and hyperinsulinemic hypoglycemia, familial, 4.