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Establishment of a Novel and Efficient Agrobacterium-Mediated in Planta Transformation System for Passion Fruit (Passiflora edulis)

文献类型： 外文期刊

作者： Rizwan, Hafiz Muhammad 1 ; Yang, Qiang 1 ; Yousef, Ahmed Fathy 1 ; Zhang, Xiaoxue 1 ; Sharif, Yasir 3 ; Kaijie, Jia 1 ;

作者机构： 1.Fujian Agr & Forestry Univ, Coll Hort, Fuzhou 350002, Peoples R China

2.Univ Al Azhar, Coll Agr, Dept Hort, Branch Assiut, Assiut 71524, Egypt

3.Fujian Agr & Forestry Univ, Coll Plant Protect, Inst Oil Crops, Fuzhou 350002, Peoples R China

4.Fujian Acad Agr Sci, Fruit Res Inst, Fuzhou 350002, Peoples R China

5.Friedrich Schiller Univ Jena, Matthias Schleiden Inst, Plant Physiol, Dornburger Str 159, D-07743 Jena, Germany

关键词： Passiflora edulis; dark incubation; parafilm wrapping; in planta; Agrobacterium-mediated transformation

期刊名称：PLANTS-BASEL （ 影响因子：3.935； ）

ISSN：

年卷期： 2021 年 10 卷 11 期

页码：

收录情况： SCI

摘要： Passion fruit (Passiflora edulis) is an important fruit crop with high economic value. Genetic engineering plays an important role in crop improvement with desired traits and gene functional studies. The lack of a simple, efficient, and stable transformation system for passion fruit has greatly limited gene functional studies. In this study, a simple and efficient Agrobacterium-mediated in planta transformation system for passion fruit was established, using Agrobacterium virulent strain EHA105 harboring the binary vectors pCAMBIA1301 and pCAMBIA1302 with GUS and GFP reporter genes. The system requires less time and labor costs than conventional transformation systems, and no additional phytohormones and sterile conditions are required. Regeneration efficiency of 86% and transformation efficiency of 29% were achieved, when the wounds were wrapped with Parafilm and the plants were kept in darkness for 15 days. Approximately 75% of the regenerated plants had a single shoot and 26% multiple shoots. The transformation was confirmed at the DNA and RNA levels as well as by GUS staining and GFP fluorescent measurements. The developed protocol will contribute to the genetic improvement of passion fruit breeding.

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