Among 83 and 20 strain samples from polar soils and oceans, strain S1 was obtained for the highest trehalose conversion rate from maltose e of about 75.2%.

• 按照确定的筛选方法，从两极地区采集的土壤菌样83株和极地海洋菌20株中最终筛选到一株产海藻糖合成酶转化率最高的一株菌S1，转化率为75.；2%25。