Cisgenics - A Sustainable Approach for Crop Improvement
R. S. Telem, Shabir. H. Wani, N. B. Singh, R. Nandini, R. Sadhukhan, S. Bhattacharya and N. Mandal
Affiliation: Department of Genetics, Bidhan Chandra Krishi Viswavidyalaya, Mohanpur, Nadia, West Bengal- 741252, India.
Keywords: Cisgenic, Transgenic, Intragene, Linkage drag, Sexually compatible.
The implication of molecular biology in crop improvement is now more than three decades old. Not surprisingly,
technology has moved on, and there are a number of new techniques that may or may not come under the genetically
modified (GM) banner and, therefore, GM regulations. In cisgenic technology, cisgenes from crossable plants are
used and it is a single procedure of gene introduction whereby the problem of linkage drag of other genes is overcome.
The gene used in cisgenic approach is similar compared with classical breeding and cisgenic plant should be treated
equally as classically bred plant and differently from transgenic plants. Therefore, it offers a sturdy reference to treat cisgenic
plants similarly as classically bred plants, by exemption of cisgenesis from the current GMO legislations. This review
covers the implications of cisgenesis towards the sustainable development in the genetic improvement of crops and
considers the prospects for the technology.
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