激光诱变选育果胶酶高产菌株 |
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引用本文: | 陈荣,谢必峰,陈哲超,谢树森,吴松刚. 激光诱变选育果胶酶高产菌株[J]. 光子学报, 1997, 0(2) |
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作者姓名: | 陈荣 谢必峰 陈哲超 谢树森 吴松刚 |
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作者单位: | 福建师范大学激光研究所!福州,350007(陈荣,谢树森),福建师范大学微生物研究所!福州,350007(谢必峰,陈哲超,吴松刚) |
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基金项目: | 国家自然科学基金,福建省自然科学基金 |
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摘 要: | 采用Ar+、He-Ne、LD、YAP等激光辐照果胶酶产生菌,不同波长激光辐照均获高酶活菌株,其中从LD激光与He-Ne激光辐照组中选育出酶活达6×104单位/g的高产菌株(比对照组提高122%),并稳定地应用于生产.文中从黑曲霉抱子与DNA的吸收光谱以及电镜观察黑曲霉抱子的结果出发,对激光诱变机制进行了初步探讨.
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关 键 词: | 果胶酶 激光育种 吸收光谱 电镜 |
STUDY ON LASER INDUCEMENT AND SELECTION OF PECTINASE HIGH-YIELDING STRAIN |
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Abstract: | Ar ,He-Ne, LD, YAP lasers were used to irradiate the pectinase-producing strains. High yielding strains of pectinase have been obtained after the different lasers irradiation. Especially,while He-Ne and LD lasers irradiated,the strains,whose enzyme activity is greater than 2 times,have been stably used in production. Based on the absorption spectrum of ASP and DNA,and the observation of electron microscopy,the mechanism of laser inducement is discussed in this paper. |
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Keywords: | Pectinase Laser breeding Absorption spectrum Electron microscopy |
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