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A simple and easy transformation strategy was accomplished on field growing plants of Phyllanthus amarus, an anti-hepatitis B drug plant. Infection of Agrobacterium rhizogenes strains A4M70GUS and ATCC 15834 on decapitated shoots of field growing P. amarus induced hairy roots and crown gall, respectively. Infection with A4M70GUS yielded a mean of 23.2 roots from 40% plants in 40-day period. The crown...
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