硫对酵母生物富铬过程中铬胁迫的缓解作用

李函彤,甲承立,张书文,芦晶,逄晓阳,刘鹭,吕加平

Chromium (III) Stress Alleviation by Sulfur Compounds During Chromium Bio-enrichment by Saccharomyces cerevisiae

LI HanTong,JIA ChengLi,ZHANG ShuWen,LU Jing,PANG XiaoYang,LIU Lu,LÜ JiaPing

表1 Cr（Ⅲ）对酵母YSI-3.7生物量及生物富铬的影响

Table 1 Effect of Cr (Ⅲ) on YSI-3.7 growth and its chromium enrichment

Cr（Ⅲ） (μg?mL-1) 0 200 500 800 生物量 Biomass (g/100 mL) 1.40±0.07 1.06±0.01 0.97±0.05 0.45±0.02 有机铬 Organic chromium (μg·g-1DCW) 0 224.74±6.41 725.55±55.08 536.25±36.89 总铬 Total chromium (μg·g-1DCW) 0 409.04±12.65 1255.53±43.75 1812.22±38.24 有机铬/总铬 Organic/total chromium (%) 0 54.94±1.90 57.79±2.45 29.59±2.48