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| Content Provider | Springer Nature Link |
|---|---|
| Author | Manickavasagam, Markandan Subramanyam, Kondeti Ishwarya, Rajagobalan Elayaraja, Dhandapani Ganapathi, Andy |
| Copyright Year | 2015 |
| Abstract | Regeneration of transformed plants from the Agrobacterium-infected tissue is a time-consuming process and requires hard work. Okra [Abelmoschus esculentus (L.) Moench] is highly recalcitrant to Agrobacterium-mediated genetic transformation and regeneration. In this study, we established a tissue culture-independent genetic transformation system for okra using seed as an explant. Agrobacterium tumefaciens EHA 105 harbouring the binary vector pCAMBIA 1301–bar was used to infect the okra seeds. Various parameters influencing the okra genetic transformation including, co-cultivation duration, acetosyringone, sonication, and vacuum infiltration have been evaluated. Maximum transformation efficiency of 18.3 % was recorded when the pre-cultured okra seeds were sonicated for 30 min and vacuum infiltrated for 3 min in Agrobacterium suspension containing 100 µM acetosyringone and co-cultivated for 3 days on a medium containing 100 µM acetosyringone. The GUS histochemical analysis confirmed the gus A gene integration and expression, whereas polymerase chain reaction (PCR) and Southern blot hybridization confirmed the bar gene integration and copy number in the transformed okra genome. The transgene was successfully segregated into the progeny plants with a Mendelian inheritance ratio of 3:1. The in planta transformation protocol developed in the present investigation is applicable to transform the okra plants with disease-resistant traits, and the transformed plants can be generated within 60 days. |
| Starting Page | 309 |
| Ending Page | 320 |
| Page Count | 12 |
| File Format | |
| ISSN | 01676857 |
| Journal | Plant Cell, Tissue and Organ Culture (PCTOC) |
| Volume Number | 123 |
| Issue Number | 2 |
| e-ISSN | 15735044 |
| Language | English |
| Publisher | Springer Netherlands |
| Publisher Date | 2015-08-09 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Abelmoschus esculentus (L.) Moench Acetosyringone In planta genetic transformation Sonication Vacuum infiltration Plant Sciences Plant Physiology Plant Genetics & Genomics Plant Pathology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Horticulture |
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