XYLAN SYNTHASE ACTIVITY IN ISOLATED MESOPHYLL-CELLS OF ZINNIA-ELEGANS DURING DIFFERENTIATION TO TRACHEARY ELEMENTS

被引:34
作者
SUZUKI, K [1 ]
INGOLD, E [1 ]
SUGIYAMA, M [1 ]
KOMAMINE, A [1 ]
机构
[1] BOEHRINGER MANNHEIM GMBH,W-6800 MANNHEIM 31,GERMANY
关键词
CYTODIFFERENTIATION; SECONDARY-WALL FORMATION; TRACHEARY ELEMENT; XYLAN; XYLAN SYNTHASE; ZINNIA-ELEGANS;
D O I
10.1093/oxfordjournals.pcp.a078079
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
A particulate fraction obtained from mesophyll cells of Zinnia elegans that were differentiating into tracheary elements exhibited xylan synthase activity, catalyzing the transfer of C-14-xylose from UDP-D-[U-C-14]-xylose into 1,4-linked xylan. The activity increased transiently at the same time as thickening of secondary cell walls occurred, a process that is accompanied by the deposition of cellulose, xylan and lignin.
引用
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页码:303 / 306
页数:4
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