Woses CR, Weisburg WG, Paster BJ. The phylogeny of purple baeteria:the alpha subdivision[J]. Systematic and Applied Microbiology, 1984, 5(3):327-336. [2] DeBoer W, Gunnewiek PJ, Veenhuis M. Nitrification at low pH by aggregated chemolithotrophic bacteria[J]. Applied and Environmental Microbiology, 1991, 57:3600-3604. [3] Liu ZP, Liu SJ. Advances in the molecular biology of nitrifying microorganisms[J]. Chin J Appl Environ Biol, 2004, 10(4):521-525. [4] Hu JL, Lin XG, Chu HY. Isolation of soil ammonia-oxidizing bacteria[J]. Soils, 2005, 37(5):569-571. [5] Yu J, Yang M, Qi R, Zhou J. Community structures of ammonia-oxidizing bacteria in different municipal wastewater treatment systems[J]. Acta Scientiae Circumstantiae, 2009, 29(3):521-526. [6] Werner D, Newton WE. Nitrogen fixation in agriculture forestry[M]. Ecology, and the Environment. Netherlands:Springer, 2005:255-276. [7] 任南琪.污染控制微生物学[M].哈尔滨:哈尔滨工业大学出版社, 2002. [8] Kim KS, Cho NY, Pai HS, et al. Mutagenes is of Micromonospora Rosaria by using protoplasts and mycelial fragement[J]. Applied and Environmental Microbiology, 1983, 46(3):689-693. [9] Li YZ, Wang P, Liao XH. Mutation breeding with chemi-physical methods by aerobic denitrifiers[J]. Environmental Science and Technology, 2010, 33(3):14-17. [10] Dong Y, Zhang Y, Sun L, et al. Ultraviolet mutagenesis breeding of protoplast of ammonia-oxidizing bacteria[J]. Minerva Biotecnologica.(accepted) [11] 陈绍铭, 郑福寿.水生生物学实验法[M].北京:海洋出版社, 1985:80-85. [12] 国家环境保护总局.水和废水监测分析方法[M].北京:中国环境科学出版社, 2002. [13] 周俊初.微生物遗传学[M].北京:中国农业出版社, 1998:152-154. [14] 杨艳艳, 刘晓艳, 林剑.60 Co-γ辐照对琥珀酸产生菌原生质体的诱变选育[J].中国酿造, 2009, 207(6):25-27. [15] 吕聪.紫外诱变与原生质体融合联用选育优势好氧反硝化菌株[D].长春:吉林大学, 2008.