期刊
BIOLOGIA
卷 69, 期 6, 页码 765-770出版社
SPRINGER
DOI: 10.2478/s11756-014-0375-7
关键词
Agrobacterium rhizogenes; Ocimum tenuiflorum; hairy roots; rolC
类别
资金
- Commission of India [34-275\2008]
- Ministry of Food Processing Industries, India [47/MFPI/R D/2006/517]
- Department of Agriculture, Govt. of Jharkhand [5/B.K.V/Misc/12/2001]
- Agrobacterium rhizogenes cultures of ATCC [15834]
- BIT-Mesra
A rapid and efficient Agrobacterium rhizogenes mediated transformation system for Ocimum tenuiflorum L., a traditional Indian medicinal plant that occurs in red and green forma, was developed. The plant is a repertoire of several pharmaceutically and nutraceutically important metabolites. Three different types of explants i.e. leaves, hypocotyls and excised shoots, obtained from shoot cultures of in vitro germinated red and green forma plants were transformed using Agrobacterium rhizogenes strain ATCC 15834. The transformation efficiency was equal between similar explants of both forma. Transformation efficiency was best in leaves of 4 days while excised shoots and hypocotyls had 6 and 8 days respectively. Transformation frequency of green forma leaves was the highest (70.6%) among all explants. Excised shoots of green forma plants exhibited better transformation (58.3%) than the red forma excised shoots (42.59%). Red forma hypocotyl explants displayed marginally better (26.27%) transformation frequency than green hypocotyl explants (21.14%). Transformation with hairy root was confirmed by the presence of rolC gene through PCR amplification and Southern hybridization. The development of hairy root-based transgenic system for O. tenuiflorum will pave the way for in vitro production of important secondary metabolites.
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