IDENTICAL EMBRYONAL PROTEINS IN INTACT AND ISOLATED-TISSUES OF MAIZE (ZEA-MAYS-L)

被引:10
作者
KHAVKIN, EE
MISHARIN, SI
POLIKARPOCHKINA, RT
机构
[1] Siberian Institute of Plant Physiology and Biochemistry, Siberian Branch, Academy of Sciences of USSR, Irkutsk 33, 664033
关键词
Antigen; Callus; Cell suspension culture; Dedifferentiation; Meristem; Proliferation proteins; Proteins (in differentiation); Tissue culture; Zea;
D O I
10.1007/BF00454448
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Minor antigens characteristic of developing and mature embryos were not found in the shoot and root meristems of the seedlings. Some of these embryonal antigens (EA) were present, however, in callus and cell-suspension cultures, irrespective of their tissue origin, and were maintained throughout repeated subcultures, in some cases for more than 2 years. These EA were distinct both from the meristematic antigens found in the intact seedlings and in callus cultures, and from organ-specific antigens found only in intact plants. The EA of callus tissues derived from several maize genotypes were serologically identical. We therefore assume that these EA are proliferation proteins" or "early proteins" expressed by cells that have not undergone any determination and lack any tissue or organ specificity. © 1979 Springer-Verlag."
引用
收藏
页码:245 / 251
页数:7
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