original strain

By means of fermentation test SHAM 2 strain can produce 40% higher of citric acid than original strain W3 and the yield of citric acid is 91.7%.

通过发酵试验，SHAMS-2菌株产柠檬酸比出发菌株W3高40%，转化率达到917%

The utilization ratio of xylose is 71.42 % , as same as the original strain.

对木糖的利用率为71.42%, 和原始菌株相比变化不大.

Results The results showed that 3 isolated strains belonged to one colonal strain and came from the same original strain with same protein compound and DNA fingerprint. However, the 3 isolated strains were different from standard control strains.

结果分离株均为革兰阳性菌，3个分离株具有相同的蛋白组成和DNA指纹图谱，属同一克隆株，但分离株与标准参照株不相同。

The index to the soy sauce that was fermented by the mutant met to the special grade of" GB18186-2000 soy sauce with low-salt and solid-state fermentation", which had a higher quality than the product fermented by the original strain.

发酵的酱油经测定，其指标可达GB18186-2000低盐固态发酵酱油特级品，明显优于出发菌株酿造的酱油。