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http://dx.doi.org/10.1016/j.jplph.2004.10.008

has been cited by the following article:

• TITLE: Expression of SAMDC Gene for Enhancing the Shelf Life for Improvement of Fruit Quality Using Biotechnological Approaches into Litchi (Litchi chinensis Sonn.) Cultivars

  AUTHORS: Dilip Kumar Das, Manoj Prabhakar, Dipti Kumari, Nutan Kumari

  KEYWORDS: Shelf Life, Litchi chinensis Sonn., Datura stramonium, S-Adenosylmethionine Decarboxylase, Polyamines, Transformation

  JOURNAL NAME: Advances in Bioscience and Biotechnology, Vol.7 No.6, June 30, 2016

  ABSTRACT: Polyamines play an important role in plant response to abiotic stress. S-adenosyl-1-methionine decarboxylase (SAMDC) is one of the key regulatory enzymes in the biosynthesis of polyamines. In order to better understand the effect of regulation of polyamine biosynthesis on the shelf life improvement of litchi fruit, SAMDC cDNA isolated from Datura stramonium cloned in pBI121 was introduced into litchi genome by means of Agrobacterium tumefaciens through zygote disc transformation. Transgene and its expression are confirmed by Southern and Northern blot analyses, respectively. Transgenic plants expressing Datura SAMDC produced 1.7- to 2.4-fold higher levels of spermidine and spermine than wildtype plants under normal environmental condition, which indicated that the transgenic litchi presented an enhanced polyamines synthesis compared to wildtype plants. Our results demonstrated clearly that increasing polyamine biosynthesis in plants may be a means of creating improved fruit shelf life germplasm.