Analysis and optimization of DNA delivery into chickpea (Cicer arietinum L.) seedlings by Agrobacterium tumefacience

Date

2008-04-17

Author

AKBULUT, Mikail
Yucel, Meral
Oktem, Hueseyin Avni

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The main purpose of this study was to develop a non-tissue culture based Agrobacterium mediated transformation method for chickpea. The influences of several factors were investigated on the transfer of -glucuronidase (GUS) gene into chickpea (Cicer arietinum) seedlings during the early stages of Agrobacterium-mediated gene transfer, including cocultivation period in liquid induction medium (2, 8, 16 and 24 h), strains of Agrobacterium tumefaciens (C58C1, EHA105, KYRT1) containing the plasmid pTJK136, developmental stage (16 h imbibed and 40 h germinated), microwounding, vacuum infiltration (200, 400, 600 mmHg for 20 and 40 min) and genotype (5 different). The number of GUS-expressing foci was counted to evaluate the gene transfer process. The KYRT1/pTJK136 strain of A. tumefaciens was significantly more effective for transformation than the C58C1/pTJK136 and EHA105/pTJK136 strains. The highest transient GUS activity was obtained from 16 h imbibed seedlings of cv.Uzunlu wounded with a needle and co-cultivated in liquid induction medium for 24 h with the KYRT1 strain (226 GUS foci/per explant).

Subject Keywords

Chickpea, Agrobacterium, Vacuum infiltration, Transient expression

URI

https://hdl.handle.net/11511/66756

Collections

Department of Biology, Article