they were identified as Penicillium sp. and Trichoderma sp. by morphology identification and 18S rDNA sequence analysis.

• 从广东省韶关市大宝山矿区酸性土壤中，分离得到两株产纤维素酶的耐酸耐盐菌株，分别编号为Hei 1和Huang 5，经形态鉴定及18S rDNA序列分析确定Hei 1为青霉菌（Penicillium sp.