ROOTS INDUCED ON CUCUMBER COTYLEDONS BY THE AGROPINE RI PLASMID TR-DNA EXHIBIT THE TRANSFORMED PHENOTYPE

被引:5
作者
MCINNES, E [1 ]
MORGAN, AJ [1 ]
MULLIGAN, BJ [1 ]
DAVEY, MR [1 ]
机构
[1] UNIV NOTTINGHAM,DEPT BOT,GENET MANIPULAT GRP,NOTTINGHAM NG7 2RD,ENGLAND
关键词
D O I
暂无
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Cucumber explants were transformed by Agrobacterium strains carrying Ri plasmids with functional TL and TR-DNAs, and by strains whose pRi had an intact TR-DNA but a disarmed TL-DNA lacking open reading frames [ORFs] 3 to 9, 10 [rol A], 11 [rol B], 12 [rol C], 13, 14, 15 [rol D], 16 and 17. Roots induced by all strains exhibited extensive root hair formation under axenic conditions, synthesised opines, and contained TR-specific DNA. These results confirm that the TR-DNA of an agropine Ri plasmid is able to elicit the transformed root phenotype in this plant.
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页码:647 / 650
页数:4
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