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银杏营养贮藏蛋白质的细胞学及生物化学分析(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2006年04期
Page:
109-113
Column:
研究论文
publishdate:
2006-04-20

Article Info:/Info

Title:
Analyses on the Cytological and Biochemical of Vegetative Storage Protein in Ginkgo biloba
Article ID:
1000-2006(2006)04-0109-05
Author(s):
PENG Fang-ren WANG Gai-ping GUO Juan
College of Forest Resources and Environment Nanjing Forestry University, Nanjing 210037, China
Keywords:
Ginkgo biloba Vegetative storage protein Nitrogen utilization
Classification number :
S792.95; Q591
DOI:
10.3969/j.jssn.1000-2006.2006.04.026
Document Code:
A
Abstract:
The changes of seasons and the fraction of vegetative storage proteins (VSP) in the branchs of Ginkgo biloba L. were measured and analyzed by microscope and SDS-PAGE. The results indicated that VSP accumulated in fall and kept high level throughout the winter, until the next spring the bud broke, VSPs were almost mobilized completely. With new shoots growing, VSPs resumed to accumulate in late summer and early fall. The fraction of VSP in the branchs of G. biloba L. could be divided into three different types: high molecular weight, medium molecular weight and low molecular weight. The proteins with high molecular weight 45kD changed greatly during the course of the shoots sprouting, of which the proteins 45kD could be detected clearly before it sprouted and disappeared gradually after the leaves spreading. The proteins 45kD were probably the main types of vegetative storage proteins of G. biloba L.

References

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Last Update: 2013-05-20