期刊
PLANT CELL REPORTS
卷 19, 期 6, 页码 563-568出版社
SPRINGER VERLAG
DOI: 10.1007/s002990050774
关键词
Agrobacterium rhizogenes; Crotalaria juncea; plant regeneration; transformation
Hairy roots were induced from leaf segments of Crotalaria juncea, which is used as a green manure crop antagonistic to nematodes, by infection with a mikimopine type wild strain of Agrobacterium rhizogenes A13 (MAFF02-10266). These roots exhibited vigorous growth and abundant lateral branching on half-strength Murashige and Skoog (1/2MS) medium without phytohormones. The adventitious shoots were induced from 30% of root segments 3 months after transfer onto medium containing 3 mg/l benzyl adenine. These shoots produced roots 1 month after transfer onto 1.2% agar-solidified 1/2MS medium without phytohormones. Regenerated plants were successfully grown under greenhouse conditions. The transgenic nature of the regenerated plants was confirmed by Southern-blot analysis.
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