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Article

An Optimized Protocol for DNA Extraction from Wheat Seeds and Loop-Mediated Isothermal Amplification (LAMP) to Detect Fusarium graminearum Contamination of Wheat Grain

1
King Saud University, College of Science, Botany and Microbiology Department, P.O. Box 2455, Riyadh 1145, Saudi Arabia
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Center of Excellence in Biotechnology Research, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
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Plant Pathology Research Institute, Agricultural Research Center, Giza 12655, Egypt
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Technische Universität München, Lehrstuhl für Technische Mikrobiologie, Weihenstephaner Steig 16, D-85350 Freising, Germany
*
Author to whom correspondence should be addressed.
Int. J. Mol. Sci. 2011, 12(6), 3459-3472; https://doi.org/10.3390/ijms12063459
Received: 31 March 2011 / Revised: 28 April 2011 / Accepted: 18 May 2011 / Published: 1 June 2011
(This article belongs to the Section Molecular Pathology, Diagnostics, and Therapeutics)
A simple, rapid, and efficient method for isolating genomic DNA from germinated seeds of wheat that is free from polysaccharides and polyphenols is reported. DNA was extracted, treated with RNase, measured and tested for completeness using agarose gel electrophoresis. DNA purification from wheat grains yielded abundant, amplifiable DNA with yields typically between 100 and 200 ng DNA/mg. The effectiveness and reliability of the method was tested by assessing quantity and quality of the isolated DNA using three PCR-based markers. Inter-simple sequence repeats (ISSRs) were used to assess the genetic diversity between different wheat varieties. Specific PCR primer pair Tox5-1/Tox5-2 and a loop-mediated isothermal amplification (LAMP) procedure were used to detect genomic DNA of Fusarium graminearum in contaminated wheat seeds. In this method there is no need to use liquid nitrogen for crushing germinated seedlings. The protocol takes approximately one hour to prepare high quality DNA. In combination with the LAMP assay it is a fast and cost-effective alternative to traditional diagnostic methods for the early detection of toxigenic fusaria in cereals. View Full-Text
Keywords: DNA isolation; loop-mediated isothermal amplification; LAMP; PCR; seed-borne fungi DNA isolation; loop-mediated isothermal amplification; LAMP; PCR; seed-borne fungi
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MDPI and ACS Style

Abd-Elsalam, K.; Bahkali, A.; Moslem, M.; Amin, O.E.; Niessen, L. An Optimized Protocol for DNA Extraction from Wheat Seeds and Loop-Mediated Isothermal Amplification (LAMP) to Detect Fusarium graminearum Contamination of Wheat Grain. Int. J. Mol. Sci. 2011, 12, 3459-3472. https://doi.org/10.3390/ijms12063459

AMA Style

Abd-Elsalam K, Bahkali A, Moslem M, Amin OE, Niessen L. An Optimized Protocol for DNA Extraction from Wheat Seeds and Loop-Mediated Isothermal Amplification (LAMP) to Detect Fusarium graminearum Contamination of Wheat Grain. International Journal of Molecular Sciences. 2011; 12(6):3459-3472. https://doi.org/10.3390/ijms12063459

Chicago/Turabian Style

Abd-Elsalam, Kamel; Bahkali, Ali; Moslem, Mohamed; Amin, Osama E.; Niessen, Ludwig. 2011. "An Optimized Protocol for DNA Extraction from Wheat Seeds and Loop-Mediated Isothermal Amplification (LAMP) to Detect Fusarium graminearum Contamination of Wheat Grain" Int. J. Mol. Sci. 12, no. 6: 3459-3472. https://doi.org/10.3390/ijms12063459

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