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光子学报  1997 

STUDY ON LASER INDUCEMENT AND SELECTION OF PECTINASE HIGH-YIELDING STRAIN
激光诱发选育果胶酶高产菌株

Keywords: Pectinase,Laser breeding,Absorption spectrum,Electron microscopy
果胶酶
,激光育种,吸收光谱,育种

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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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