A preliminary optimization of the DNA extraction step was performed. The most efficient extraction method involved
the dissolution of food-grade salt in SW 12%, cell concentration on a 0.2 μm filter, lysis with a solution containing SDS 10% and proteinase K, followed by the DNA purification with phenol/chloroform and precipitation with isopentanol.This method successfully achieved 16S rRNA genea mplification for eight food-grade salts: La Baleine coarse, Lac Rose, Palm Island black, Camargue, Dead Sea, Hâlen Môn, Maras and Black Sea salts.
A preliminary optimization of the DNA extraction step was performed. The most efficient extraction method involvedthe dissolution of food-grade salt in SW 12%, cell concentration on a 0.2 μm filter, lysis with a solution containing SDS 10% and proteinase K, followed by the DNA purification with phenol/chloroform and precipitation with isopentanol.This method successfully achieved 16S rRNA genea mplification for eight food-grade salts: La Baleine coarse, Lac Rose, Palm Island black, Camargue, Dead Sea, Hâlen Môn, Maras and Black Sea salts.
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