{"refrec":{"BRefID":371780,"RR":"<b>Nakamura, Y.; Ogiso-Tanaka, E.; Seto, K.; Ando, T.; Katsuki, K.; Saito, Y.</b> (2023). DNA metabarcoding focusing on the plankton community: an effective approach to reconstruct the paleo-environment. <i>NPG Scientific Reports 13(1)</i>: 21642. <a href=\"https://dx.doi.org/10.1038/s41598-023-48367-z\" target=\"_blank\">https://dx.doi.org/10.1038/s41598-023-48367-z</a>","BEntID":369510,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>NPG Scientific Reports 13(1)</i>: 21642. <a href=\"https://dx.doi.org/10.1038/s41598-023-48367-z\" target=\"_blank\">https://dx.doi.org/10.1038/s41598-023-48367-z</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Nakamura, Y.; Ogiso-Tanaka, E.; Seto, K.; Ando, T.; Katsuki, K.; Saito, Y.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Nakamura, Y. <i>et al.</i>","Englishabstract":"DNA metabarcoding (DNA-MB) targeting the whole plankton community is a promising approach in studies of sediment samples from water bodies, but its effectiveness in ancient material is not well demonstrated. We applied DNA-MB of plankton in a sediment core to reconstruct the paleo-environment of Lake Shinji, Japan, through a marine lagoon/freshwater lake transition during the past 2300&nbsp;years. We interpreted core-sample plankton taxonomy and habitat by reference to the modern plankton community in water samples. OTUs (operational taxonomic units) belonging to Dictyochophyceae were 81.05% of the total reads in sediments. However, Ciliophora, Copepoda and Labyrinthulea formed the majority of plankton taxa in the water samples, suggesting that they are under-represented in sediment. A drastic change in plankton composition correlated with a large decrease in sediment sulfur concentration, implying the change of aquatic environment from marine lagoon to freshwater lake. This event took place ca. 1200 CE in Lake Shinji. A 250&nbsp;year-long transitional period followed, during which the total DNA sequence reads were very low. This suggests that salinity fluctuations created a hostile environment for both marine and freshwater plankton species. Our results show that DNA-MB of the whole plankton community is effective in reconstructing paleo-environments.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"DNA metabarcoding focusing on the plankton community: an effective approach to reconstruct the paleo-environment","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-06-14 01:32:13.068365","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2023,"MonPub":null,"DateUpdate":"2023-12-11","DateCreate":"2023-12-11","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":null,"VABBcode":null,"OpenAcc":1,"DOI":"10.1038/s41598-023-48367-z"},"refs":null,"anarec":{"AnaID":371780,"PubliDate":2023,"Pagination":"21642","XtraPublOfAnaID":null,"ISBN":null,"Volume":"13","Issue":"1","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":208093,"SerRR":"Scientific Reports (Nature Publishing Group). 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