Identification of mitochondrial plasmid like DNAs in Picea abies (L.) Karst.

被引：2
|
作者：
Chandelier, A
du Jardin, P
Avril, C
Pâques, M
机构：
[1] Fac Univ Sci Agron Gembloux, Dept Biochim & Biol Appl, Unite Biol Vegetale, B-5030 Gembloux, Belgium
[2] AFOCEL, Stn Biotechnol, F-77370 Nangis, France
来源：
PLANT CELL REPORTS | 1999年 / 18卷 / 10期
关键词：
mitochondrial DNA; mitochondrial plasmid-like DNA; Picea;
D O I：
10.1007/s002990050671
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
The Norway spruce (Picea abies (L.) Karst.) mitochondrial DNA has been extracted from embryonal suspensor masses. In addition to a master chromosome, a family of plasmid-like DNAs were identified. These latter shared cross homologies but had no evident sequence homology with the master chromosome. The occurrence of mitochondrial plasmid-like DNAs was investigated in trees from different provenances. A vast majority of trees displayed extrachromosomal DNA elements of variable stoechiometry. For some trees, the sequences homologous to the extrachromosomal DNA elements were found associated with high molecular weight DNA.
引用
收藏
页码：841 / 847
页数：7
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