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Pcambia 1305

Priya Padmanabhan, Shivendra V Sahi
Sesbania drummondii (Rydb.) Cory is a source for phytopharmaceuticals. It also hyperaccumulates several toxic heavy metals. Development of an efficient gene transfer method is an absolute requirement for the genetic improvement of this plant with more desirable traits due to limitations in conventional breeding methods. A simple protocol was developed for Agrobacterium-mediated stable genetic transformation of Sesbania. Agrobacterium tumefaciens strain EHA 101 containing the vector pCAMBIA 1305.1 having hptII and GUS plus genes was used for the gene transfer experiments...
January 2009: Plant Cell Reports
Bao H Phan, Weiwei Jin, Christopher N Topp, Cathy X Zhong, Jiming Jiang, R Kelly Dawe, Wayne A Parrott
Rice was transformed with either long DNA-segments of random genomic DNA from rice, or centromere-specific DNA sequences from either maize or rice. Despite the repetitive nature of the transgenic DNA sequences, the centromere-specific sequences were inserted largely intact and behave as simple Mendelian units. Between 4 and 5% of bombarded callus clusters were transformed when bombarded with just pCAMBIA 1305.2. Frequency of recovery dropped to 2-3% when BACs with random genomic inserts were co-bombarded with pCAMBIA, and fell to less than 1% when BACs with centromeric DNA inserts and pCAMBIA were co-bombarded...
June 2007: Transgenic Research
Shivendra Bajaj, Yidong Ran, Jonathan Phillips, Gunaseelan Kularajathevan, Sunil Pal, Dan Cohen, Kieran Elborough, Sathish Puthigae
A robust and high throughput Agrobacterium genetic transformation procedure has been developed for perennial ryegrass (Lolium perenne L.). Embryogenic callus lines were selected and maintained as plants in vitro. Embryogenic calli derived from meristematic regions of the vegetative tillers were co-cultivated with Agrobacterium tumefaciens strain EHA101 carrying the plasmid pCAMBIA 1305.1 in the presence of acetosyringone for 3-4 days. The calli were grown under 94.8 and 151.6 microM hygromycin selection, respectively for two cycles of 2-weeks each, followed by transfer to regeneration medium with 47...
July 2006: Plant Cell Reports
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