High efficiency Agrobacterium-mediated transformation of Pinellia ternata using petiole explants from submerged cultures
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Yongbo Duan
,
Fenglan Zhao
Abstract
The lack of an efficient transformation system for Pinellia ternata is a major bottleneck in the functional annotation of genes and development of increased stress resistance of this medicinal herb. Here we describe the efficient transformation of P. ternata using petioles from submerged cultures as explants.We used the Agrobacterium strain EHA105, which harbored a pCAMBIA2300-35S-GUS-CaMVterm plasmid containing β-glucuronidase (GUS) as the reporter gene and nptII as the selectable marker. The recovery of transgenic plants was achieved by callus induction on the selection medium followed by shoot induction on the regeneration medium under selection pressure. Pre-culture of explants and ultrasonic treatment during inoculation enhanced the transformation efficiency. Transformation frequency reached 19% based on a GUS assay of independently derived, putative transgenic lines. This transformation system should facilitate the functional characterization of genes of interest and genetic advancements in P. ternata.
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Artikel in diesem Heft
- An overview of phytochrome: An important light switch and photo-sensory antenna for regulation of vital functioning of plants
- A novel GH13 subfamily of α-amylases with a pair of tryptophans in the helix α3 of the catalytic TIM-barrel, the LPDlx signature in the conserved sequence region V and a conserved aromatic motif at the C-terminus
- Biogenic synthesis of silver nanoparticles using cell-free extract of Bacillus safensis LAU 13: antimicrobial, free radical scavenging and larvicidal activities
- Understanding taxonomic position of local endemic Agropyron deweyi (Poaceae) using morphological characters and sequences of nuclear and chloroplast DNA regions
- Genetic status of the putative hybrid swarms of mountain dwarf pine and Scots pine in contact zones of their distribution in Slovakia
- Species delimitation and population structure in three Onosma (Boraginaceae) species
- Glycinebetaine priming improves salt tolerance of wheat
- The effect of nitrogen level on rice growth, carbon-nitrogen metabolism and gene expression
- High efficiency Agrobacterium-mediated transformation of Pinellia ternata using petiole explants from submerged cultures
- Cryopreservation of Serbian autochthonous Prunus spp. by droplet-vitrification
- Response of green hydra (Hydra viridissima) to variability and directional changes in food availability
- Data on some members of the family Tylenchidae (Nematoda: Tylenchina) from Iran
- New and firstly recorded oribatid mites from Turkey
- Reproductive parameters of four species of water mites (Acari: Hydrachnidia)
- A new species of the genus Aeolothrips (Thysanoptera: Aeolothripidae) from Iran
- Skull variability of mice and voles inhabiting the territory of a great cormorant colony
- High glucose-associated osmolality promotes adipocytogenic differentiation of primary rat osteoblasts in a protein kinase A and phosphatidylinositol 3-kinase/Akt-dependent manner
- Direct influence of rooibos-derived compound on rabbit ovarian functions and their response to gonadotropins
- Corrective notice to the European mudminnow (Umbra krameri Walbaum, 1792) record from the Black Sea
