Method for rapid typification of microorganisms and set of reagents used
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United States of America Patent
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Jun 8, 2010
Grant Date -
Mar 18, 2004
app pub date -
Nov 2, 2001
filing date -
Nov 7, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process for rapid typing of yeast, parasites and bacteria is provided. It comprises the following steps: a) Preparing immobilized intact DNA in 5 to 60 minutes aided by a method involving a reagent kit that only contains buffer solution, a detergent, a metal chelating agent and an agent to disrupt the hydrogen bonds. b) Separating intact DNA molecules or their restriction fragments in miniequipments for Pulsed Field Gel Electrophoresis of the CHEF (Contour Clamped Homogeneous Electric Field) and TAFE (Transversal Alternating Field Electrophoresis) systems in times comprised between 2.5 and 7 hours. c) Selecting the optimal conditions that should be set in miniCHEF with the aid of a method to simulate the electrophoresis patterns d) Providing reorientation times, migration velocities and sizes of the molecules calculated with the aid of a method to analyze the migrated distances without the use of size markers.
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