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Pulp bleaching with manganese peroxidase and xylanase: a synergistic effect[J]. Tappi, 2000, 83(10): 6-9. [26] More I, Feijoo G, Siwrra R, et al. Reevaluation of the manganese require￾ment for the biobleaching of kraft pulp by white rot fungi[J]. Bioresource Technology, 1999,70 (3) ：255-260. [27] Timofeevsk I, Nie G, Reading N S, et al. Substrate specificity of lignin peroxidase and a S168W variant of manganese perxidase[J]. Arch Biochem Biophys, 2000, 373(1) ：147-153. [28] 黄峰，方靖，卢雪梅，等 . 纤维二糖脱 氢酶对锰过氧化物酶降解木质素的 促进作用 [J]. 科 学 通 报， 2001，46 (18) ：1523-1528. [29] Bermk H, Li K, Eriksson K. Studies on mediators of manganese peroxidase for bleaching of wood pulps[J]. Bioresource Technology, 2002, 85(3): 249-252. [30] Levl I K P, Wang W, Tamminen T, et al. Effect of Laccase HBT Treatment on Pulp and Lignin Structure[J]. Pulp Paper Sci., 1999, 25 (3) ：90-94. [31] 付时雨，詹怀宇，余惠生 . 漆酶 / 介体 系统漂白尾叶桉硫酸盐浆的初步研 究 [J]. 中国造纸，2000(2) ：8-12 . [32] 冯文英，常清荣，李振岩 . 麦草浆的木 聚糖酶和漆酶 / 介体体系协同生物 漂白研究 [J]. 中国造纸学报，2003， 18(2) ：60-63 . [33] 季立才，胡培植 . 漆酶催化氧化反应 研究进展 [J]. 林产化学与工业，1997， 17(1):79-83. [34] 李光日，余惠生，付时雨，等 . 漆酶催化 活性中心结构及应用的研究进展 [J]. 纤维素科学与技术，2000，8(2) ：42-48. Current Situation and Development of Biological Bleaching in Paper Industry MA Shu-jie, JIN Xiao-juan (Beijing Forestry University, Beijing, 100083 China) Abstract: With the development of biological sciences, biotechnology has been more widely used in the pulping and papermaking industry, bio-bleaching technique is a green-type bleaching method can improve the bleach ability of pulp and reduce the amount of chemicals to decrease the chemical pollution to the environment. This paper discussed the aim of biological bleaching, the bleaching mechanism and current research situation of microorganisms and enzymes including xylanase, mannanase, lignin peroxidase, manganese peroxidase and laccase. Key words: biobleaching ; xylanase ;Lignin-degrading enzyme 收稿日期 ( 修改稿 ) ：2010-08-28