Method for extracting DNA from organisms

Chemistry: molecular biology and microbiology – Micro-organism – tissue cell culture or enzyme using process... – Preparing compound containing saccharide radical

Reexamination Certificate

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C435S270000, C536S022100, C536S127000

Reexamination Certificate

active

06989249

ABSTRACT:
A method for the indirect extraction of DNA greater than 300 kb in size from non-cultivatable organisms contained in an environmental sample is disclosed. The method comprises isolating the organisms from the sample and embedding the isolated organisms in a block of agarose where the organisms are subsequently lysed and the DNA subjected to a first alternating field electrophoresis to extract DNA fragments which are large in size and separate them from the cell debris. The first electrophoretic migration is followed by an enzymatic restriction step and additional electrophoretic migrations. The invention also encompasses DNA obtained by the method.

REFERENCES:
patent: 5824485 (1998-10-01), Thompson et al.
patent: 6383783 (2002-05-01), Haddad
patent: 0 388 053 (1990-09-01), None
patent: 0 512 181 (1992-11-01), None
patent: 0 939 118 (1999-09-01), None
patent: WO 94/22904 (1994-10-01), None
patent: WO 97/12991 (1997-04-01), None
patent: WO 98/17685 (1998-04-01), None
patent: WO 99/08532 (1999-02-01), None
patent: WO 99/45154 (1999-09-01), None
Amaral et al., “Atmospheric Methane Consumption by Forest Soils and Extracted Bacteria at Different pH Values,” Applied and Environmental Microbiology, Jul. 1998, vol. 64, No. 7, pp. 2397-2402.
Romling et al., “The impact of two-dimensional pulsed-field gel electrophoresis techniques for the consistent and complete mapping of bacterial genomes: refined physical map ofPseudomonas aeruginosaPAO,” Nucleic Acids Research, vol. 19, No. 12, 1991, pp. 3199-3206.
Suau et al., “Direct Analysis of Genes Encoding 16S rRNA from Complex Communities Reveals Many Novel Molecular Species Within the Human Gut,” Applied and Environmental Microbiology, Nov. 1999, vol. 65, No. 11, pp. 4799-4807.
Rochelle et al., “A Simple Technique for Electroelution of DNA from Environmental Samples,” BioTechniques, vol. 11, No. 6, (1991), pp. 724-728.
Griess et al., “Unlimited increase in the resolution of DNA ladders,” Electrophoresis, vol. 21, (2000), pp. 859-864.
Amann et al., “Phylogenetic Identification and In Situ Detection of Individual Microbial Cells without Cultivation,” Microbiological Reviews, vol. 59, No. 1, Mar. 1995, pp. 143-169.
Egly et al., “Electrophorese En Champs Alternes De L'Adn,” Le Technoscope De Biofutur, No. 127, Oct. 1993, pp. 3-12.
Ranjard et al., “A single procedure to recover DNA from the surface or inside aggregates and in various size fractions of soil suitable for PCR-based assays of bacterial communities,” Eur. J. Soil Biol., vol. 34, No. 2 (1998), pp. 89-97.
Seow et al., “A Study of Iterative Type II Polyketide Synthases, Using Bacterial Genes Cloned from Soil DNA: a Means To Access and Use Genes from Uncultured Microorganisms,” J. of Bacteriology, vol. 179, No. 23, Dec. 1997, pp. 7360-7368.
Torsvik et al., “Total bacterial diversity in soil and sediment communities—a review,” J. of Industrial Microbiology, vol. 17, (1996), pp. 170-178.
Frostegard et al., “Quantification of Bias Related to the Extraction of DNA Directly from Soils,” Applied and Environmental Microbiology, vol. 65, No. 12, Dec. 1999, pp. 5409-5420.
Stein et al., “Characterization of Uncultivated Prokaryotes: Isolation and Analysis of a 40-Kilobase-Pair Genome Fragment from a Planktonic Marine Archaeon,” J. of Bacteriology, vol. 178, No. 3, Feb. 1996, pp. 591-599.

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