{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T22:39:20Z","timestamp":1790289560989,"version":"4.1.0"},"reference-count":47,"publisher":"American Society for Microbiology","issue":"13","license":[{"start":{"date-parts":[[2014,7,1]],"date-time":"2014-07-01T00:00:00Z","timestamp":1404172800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.asm.org\/non-commercial-tdm-license"}],"content-domain":{"domain":["journals.asm.org"],"crossmark-restriction":true},"short-container-title":["Appl Environ Microbiol"],"published-print":{"date-parts":[[2014,7]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>Anodic aluminum oxide (AAO) filters have high porosity and can be manufactured with a pore size that is small enough to quantitatively capture viruses. These properties make the filters potentially useful for harvesting total microbial communities from water samples for molecular analyses, but their performance for nucleic acid extraction has not been systematically or quantitatively evaluated. In this study, we characterized the flux of water through commercially produced nanoporous (0.02 \u03bcm) AAO filters (Anotop; Whatman) and used isolates (a virus, a bacterium, and a protist) and natural seawater samples to test variables that we expected would influence the efficiency with which nucleic acids are recovered from the filters. Extraction chemistry had a significant effect on DNA yield, and back flushing the filters during extraction was found to improve yields of high-molecular-weight DNA. Using the back-flush protocol, the mass of DNA recovered from microorganisms collected on AAO filters was \u2265100% of that extracted from pellets of cells and viruses and 94% \u00b1 9% of that obtained by direct extraction of a liquid bacterial culture. The latter is a minimum estimate of the relative recovery of microbial DNA, since liquid cultures include dissolved nucleic acids that are retained inefficiently by the filter. In conclusion, we demonstrate that nucleic acids can be extracted from microorganisms on AAO filters with an efficiency similar to that achievable by direct extraction of microbes in suspension or in pellets. These filters are therefore a convenient means by which to harvest total microbial communities from multiple aqueous samples in parallel for subsequent molecular analyses.<\/jats:p>","DOI":"10.1128\/aem.00245-14","type":"journal-article","created":{"date-parts":[[2014,4,18]],"date-time":"2014-04-18T22:39:33Z","timestamp":1397860773000},"page":"3930-3942","update-policy":"https:\/\/doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":33,"title":["Variables Influencing Extraction of Nucleic Acids from Microbial Plankton (Viruses, Bacteria, and Protists) Collected on Nanoporous Aluminum Oxide Filters"],"prefix":"10.1128","volume":"80","author":[{"given":"Jaclyn A.","family":"Mueller","sequence":"first","affiliation":[{"name":"Center for Microbial Oceanography: Research and Education, Department of Oceanography, University of Hawai\u2018i at M\u0101noa, Honolulu, Hawai\u2018i, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alexander I.","family":"Culley","sequence":"additional","affiliation":[{"name":"Center for Microbial Oceanography: Research and Education, Department of Oceanography, University of Hawai\u2018i at M\u0101noa, Honolulu, Hawai\u2018i, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Grieg F.","family":"Steward","sequence":"additional","affiliation":[{"name":"Center for Microbial Oceanography: Research and Education, Department of Oceanography, University of Hawai\u2018i at M\u0101noa, Honolulu, Hawai\u2018i, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"235","reference":[{"key":"e_1_3_2_2_2","doi-asserted-by":"publisher","DOI":"10.1128\/aem.54.6.1426-1429.1988"},{"key":"e_1_3_2_3_2","doi-asserted-by":"publisher","DOI":"10.3354\/meps101055"},{"key":"e_1_3_2_4_2","doi-asserted-by":"publisher","DOI":"10.1128\/aem.55.3.548-554.1989"},{"key":"e_1_3_2_5_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0076-6879(05)95002-7"},{"key":"e_1_3_2_6_2","doi-asserted-by":"publisher","DOI":"10.1038\/ismej.2013.67"},{"key":"e_1_3_2_7_2","doi-asserted-by":"publisher","DOI":"10.4319\/mave.2010.978-0-9845591-0-7.110"},{"key":"e_1_3_2_8_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00248-004-0213-5"},{"key":"e_1_3_2_9_2","volume-title":"Microbiology of waterborne diseases","author":"Percival SL","year":"2004","unstructured":"PercivalSLChalmersRMEmbreyMHunterPRSellwoodJWyn-JonesP. 2004. 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