Developing a DNA -based Technology for Identifying the presence and percentage of Egyptian cotton fibers in various textile products
Jun 16, 2019

Network coordination Network-MedMiddleEast

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Mohamed A. Negm and Suzan H. Sanad

Cotton Research Institute. Agric. Res. Center, Giza, Egypt


Deoxyribonucleic acid (DNA) is a complex molecule found in almost all cells of the human body as well as other living organisms. DNA carries the genetic code that is needed for human cells and the organism as a whole. It is also the means by which genetic information is passed from one generation to the next.

In the past two decades, advances in forensic genetics have made it possible to perform paternity diagnoses involving solely the alleged father’s genetic information and that of his descendant when there is a high enough degree of biomathematical certainty in order to consider the results reliable. DNA technology becomes one of the forefront sciences in parallel with Nanotechnology.

The commercially grown cotton varieties used in production of textile products belong two different species, Gossypium barbadense, known as Egyptian cotton, and characterized by higher quality and price, and Gossypium hirsutum known as Upland or American cotton, and characterized by lower quality and price. Textile made from world-wide known Extra-Long & Long Staple Egyptian cotton varieties are of higher quality and price than those produced by Upland cotton. Thus, textiles produced from ELS Egyptian Cotton fibers are considered more valuable in the textile marketplace. In last time, there is no real method to indentify (differentiate) between the expensive cotton “Egyptian cotton” and cheap cotton “Upland cotton” in yarns, fabric, particularly, if the fabric made of blending the two cottons.

The aim of current research paper is to establish a DNA databases and technical methods which can be used at as powerful tools in the identification of Egyptian cotton and foreign cottons. The latter include many cotton species. Research output of the study would certainly guarantee protection of distinguished of Egyptian cotton, and reduces the counterfeits.

The study, indeed, address methods of isolating biological macromolecules particularly nucleic acids from mature cotton fibers. The cotton fibers are processed into yarns, woven or knitted to fabric or finished apparel, prior to the isolation of the biological macromolecules.

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