Isolation of a strain of Penicillium funiculosum and mutational improvement for UO22+ adsorption
Isolation of a strain of Penicillium funiculosum and mutational improvement for UO22+ adsorption
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DOI：
10.1007/s10967-014-3389-2
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发表时间：
2014
影响因子：
1.6
通讯作者：
Jing Sun;Qian Li;Yong-dong Wang;Zhi-xiang Zhou;D. Ding
中科院分区：
文献类型：
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作者：
Jing Sun;Qian Li;Yong-dong Wang;Zhi-xiang Zhou;D. Ding
从我国南方某铀矿山的排水中分离到一株铀吸附真菌，命名为Q5。对菌株Q5的形态特征、生理特性和系统发育进行了研究。结果表明，菌株Q5为绳状青霉（Penicillium funculosum），基因序列相似性为99%.此外，P.采用盐酸羟胺与紫外光联合诱变的方法，使野生型Ficulosum的诱变效果得到显著提高。结果表明，突变后的P.在pH2.0 -9.0范围内，Funculosumfor U（VI）的诱变效果明显优于未诱变的。
An absorptive fungal strain for uranium adsorption which is named Q5, was isolated from the drainage of a uranium mine in South China. The morphological, physiological and phylogenetic characterizations of the strain Q5 were investigated. The results showed that, the strain Q5 identified asPenicillium funiculosum(99 % similarity in gene sequence). Furthermore, the adsorption performance ofP. funiculosumwas greatly improved by the mutational method that combined hydroxylamine hydrochloride and UV light. The results showed that the adsorption capacity of the mutatedP. funiculosumfor U(VI) was obviously better than the non-mutational one at pH 2.0–9.0.