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            <gmx:Anchor xlink:href="http://lod.bco-dmo.org/id/dataset/999053.rdf" xlink:actuate="onRequest">Decorator worm Diopatra cuprea mitochondrial locus (COI) sequences from collections in the Gulf of Mexico and eastern United States estuaries from 2009 to 2022</gmx:Anchor>
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            <gco:CharacterString>Cite this dataset as: Sotka, E. (2026) Decorator worm Diopatra cuprea mitochondrial locus (COI) sequences from collections in the Gulf of Mexico and eastern United States estuaries from 2009 to 2022. Biological and Chemical Oceanography Data Management Office (BCO-DMO). (Version 1) Version Date 2026-05-19 [if applicable, indicate subset used]. http://lod.bco-dmo.org/id/dataset/999053 [access date]</gco:CharacterString>
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        <gco:CharacterString>Dataset Description: &amp;lt;p&amp;gt;See the &amp;quot;Related Datasets&amp;quot; section for genotyped single nucleotide polymorphisms (SNPs) with RADseq that were also generated as part of this study.&amp;lt;/p&amp;gt; Methods and Sampling: &amp;lt;p&amp;gt;Note: This metadata section includes description of a related dataset that was generated as part of this study&amp;amp;nbsp;(see &amp;quot;Related Datasets&amp;quot; section) for that dataset which includes metadata and accessions for genotyped single nucleotide polymorphisms (SNPs) with RADseq.&amp;lt;br /&amp;gt;
&amp;lt;br /&amp;gt;
&amp;lt;em&amp;gt;Diopatra cuprea&amp;lt;/em&amp;gt; were sampled from 19 locations on the United States east coast, from Duxbury MA (the genus’ northern limit) to St. Teresa Beach FL. Tubes were excavated with a shovel, the worm removed, and antennae clipped off and preserved in 95% ethanol for later DNA extraction. or 2022 samples, twenty-five randomly selected individuals from each population were extracted for DNA, with the exception of Broad River Estuary populations from which 20 and 22 samples were collected. Approximately 25&amp;amp;nbsp;mg of tissue wet weight was&amp;amp;nbsp;rinsed of ethanol with deionized water and extracted with the Qiagen DNeasy Blood and Tissue Kit (Qiagen, Valencia, CA, USA) following the manufacturer’s extraction protocol. Extractions were screened with 1.5% agarose gels and DNA was quantified using a NanoDrop 200 spectrophotometer (Thermo Scientific, Waltham, MA, USA) to obtain concentration values and purity.&amp;amp;nbsp;&amp;lt;/p&amp;gt;

&amp;lt;p&amp;gt;A portion of the COI gene was then PCR amplified using the protocol in&amp;amp;nbsp;Berke, et al. (2010, doi:10.1111/j.1466-8238.2009.00509.x). These were cleaned with an EXO-SAP-IT protocol and sent for Sanger sequencing with these same primers at a private company.&amp;lt;/p&amp;gt;

&amp;lt;p&amp;gt;Double digest restriction-associated DNA sequencing (or ddRADSeq) library was prepared on 312 samples following the protocol in Parchman et al. (2012,doi: 10.1111/j.1365-294X.2012.05513.x). Briefly, we digested gDNA with two restriction enzymes, EcoRI and MseI, and ligated adaptors containing unique 8 to 10&amp;amp;nbsp;bp barcodes to the digested DNA of each individual. The products were then PCR amplified in two independent reactions with standard Illumina primers. All amplicons were pooled and shipped to the University of Texas Genomic Sequencing and Analysis Facility or the Tufts University Core Facility, which used Pippin Prep&amp;lt;sup&amp;gt;®&amp;lt;/sup&amp;gt; to isolate the 300–450&amp;amp;nbsp;bp fraction. This fraction was then single-read sequenced (100 basepairs) with Illumina HiSeq 4000 machine. FASTQ sequences were demultiplexed using custom Unix code. 510&amp;amp;nbsp;million reads contained barcode sequence (range = 39 to 6.8&amp;amp;nbsp;million (M) reads per sample; mean = 1.6&amp;amp;nbsp;M reads), and 234 individuals had at least 200&amp;amp;nbsp;K reads that were analyzed.&amp;lt;br /&amp;gt;
&amp;lt;br /&amp;gt;
The data table in this dataset 999053_v1_diopatra-coi-haplotype.csv provides the COI sequence accessions in NCBI's GenBank database.&amp;lt;br /&amp;gt;
&amp;lt;br /&amp;gt;
Organism identifier (Life Science Identifier (LSID)):&amp;lt;br /&amp;gt;
Diopatra cuprea, Bosc, 1802, LSID(urn:lsid:marinespecies.org:taxname:157339)&amp;lt;/p&amp;gt;</gco:CharacterString>
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        <gmx:Anchor xlink:href="http://lod.bco-dmo.org/id/award/820199.rdf" xlink:title="OCE-1924599" xlink:actuate="onRequest">Funding provided by NSF Division of Ocean Sciences (NSF OCE) Award Number: OCE-1924599 Award URL: https://www.nsf.gov/awardsearch/show-award?AWD_ID=1924599</gmx:Anchor>
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&amp;lt;em&amp;gt;Diopatra cuprea&amp;lt;/em&amp;gt; were sampled from 19 locations on the United States east coast, from Duxbury MA (the genus’ northern limit) to St. Teresa Beach FL. Tubes were excavated with a shovel, the worm removed, and antennae clipped off and preserved in 95% ethanol for later DNA extraction. or 2022 samples, twenty-five randomly selected individuals from each population were extracted for DNA, with the exception of Broad River Estuary populations from which 20 and 22 samples were collected. Approximately 25&amp;amp;nbsp;mg of tissue wet weight was&amp;amp;nbsp;rinsed of ethanol with deionized water and extracted with the Qiagen DNeasy Blood and Tissue Kit (Qiagen, Valencia, CA, USA) following the manufacturer’s extraction protocol. Extractions were screened with 1.5% agarose gels and DNA was quantified using a NanoDrop 200 spectrophotometer (Thermo Scientific, Waltham, MA, USA) to obtain concentration values and purity.&amp;amp;nbsp;&amp;lt;/p&amp;gt;

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Organism identifier (Life Science Identifier (LSID)):&amp;lt;br /&amp;gt;
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                      <gmd:date gco:nilReason="unknown"/>
                    </gmd:CI_Citation>
                  </gmd:sourceCitation>
                </gmd:LI_Source>
              </gmd:source>
            </gmd:LI_ProcessStep>
          </gmd:processStep>
          <gmd:processStep xlink:title="BCO-DMO Data Processing Description">
              <gmd:LI_ProcessStep>
                <gmd:description>
                  <gco:CharacterString>- Loaded tab-separated file &amp;quot;AccessionReport_wMeta.txt&amp;quot; into table &amp;quot;999053_v1_diopatra-coi-haplotype&amp;quot; with header row 1; treated empty strings and &amp;quot;nd&amp;quot; as missing values
- Renamed column &amp;quot;X.Accession&amp;quot; to &amp;quot;X_Accession&amp;quot;
- Set column types: SampleID, X_Accession, hap, pop1, pop2, state as string; lat and lon as number
- Updated field metadata for all columns: SampleID (individuals, standard_name_id 960), X_Accession (GenBank COI accession numbers/NCBI GenBank nucleotide database accession identifier, standard_name_id 873475), hap (unique haplotype, standard_name_id 1741), lat (Latitude, primary parameter, decimal degrees, standard_name_id 730), lon (Longitude, primary parameter, decimal degrees, standard_name_id 731), pop1 (abbreviation of site, standard_name_id 1080), pop2 (long description of site, standard_name_id 1124), state (State, standard_name_id 952)
- Output written to &amp;quot;999053_v1_diopatra-coi-haplotype.csv&amp;quot;</gco:CharacterString>
                </gmd:description>
                <gmd:source>
                  <gmd:LI_Source>
                    <gmd:sourceCitation>
                      <gmd:CI_Citation>
                        <gmd:title>
                          <gco:CharacterString>Specified by BCO-DMO Data Managers</gco:CharacterString>
                        </gmd:title>
                        <gmd:date gco:nilReason="unknown"/>
                      </gmd:CI_Citation>
                    </gmd:sourceCitation>
                  </gmd:LI_Source>
                </gmd:source>
              </gmd:LI_ProcessStep>
            </gmd:processStep>
          </gmd:LI_Lineage>
      </gmd:lineage>
   </gmd:DQ_DataQuality>
  </gmd:dataQualityInfo>
  <gmd:metadataMaintenance>
    <gmd:MD_MaintenanceInformation>
      <gmd:maintenanceAndUpdateFrequency>
        <gmd:MD_MaintenanceFrequencyCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#MD_MaintenanceFrequencyCode" codeListValue="asNeeded" codeSpace="009">asNeeded</gmd:MD_MaintenanceFrequencyCode>
      </gmd:maintenanceAndUpdateFrequency>
      <gmd:maintenanceNote>
        <gco:CharacterString>7.x-1.1</gco:CharacterString>
      </gmd:maintenanceNote>
      <gmd:contact>
        <gmd:CI_ResponsibleParty>
  <gmd:organisationName>
    <gmx:Anchor xlink:href="http://lod.bco-dmo.org/id/affiliation/191.rdf" xlink:actuate="onRequest">Biological and Chemical Oceanography Data Management Office (BCO-DMO)</gmx:Anchor>
  </gmd:organisationName>
  <gmd:contactInfo>
    <gmd:CI_Contact>
		  <gmd:phone>
		    <gmd:CI_Telephone>
				  <gmd:voice>
				    <gco:CharacterString>Unavailable</gco:CharacterString>
				  </gmd:voice>
				  <gmd:facsimile>
				    <gco:CharacterString>508-289-2009</gco:CharacterString>
				  </gmd:facsimile>
				</gmd:CI_Telephone>
		  </gmd:phone>
		  <gmd:address>
		    <gmd:CI_Address>
				  <gmd:deliveryPoint>
				    <gco:CharacterString>WHOI MS#36</gco:CharacterString>
				  </gmd:deliveryPoint>
				  <gmd:city>
				    <gco:CharacterString>Woods Hole</gco:CharacterString>
				  </gmd:city>
				  <gmd:administrativeArea>
				    <gco:CharacterString>MA</gco:CharacterString>
				  </gmd:administrativeArea>
				  <gmd:postalCode>
				    <gco:CharacterString>02543</gco:CharacterString>
				  </gmd:postalCode>
				  <gmd:country>
				    <gco:CharacterString>USA</gco:CharacterString>
				  </gmd:country>
				  <gmd:electronicMailAddress>
				    <gco:CharacterString>info@bco-dmo.org</gco:CharacterString>
				  </gmd:electronicMailAddress>
		    </gmd:CI_Address>
		  </gmd:address>
      <gmd:onlineResource>
          <gmd:CI_OnlineResource>
            <gmd:linkage>
              <gmd:URL>http://www.bco-dmo.org</gmd:URL>
            </gmd:linkage>
          </gmd:CI_OnlineResource>
        </gmd:onlineResource>
		  <gmd:hoursOfService>
        <gco:CharacterString>Monday - Friday 8:00am - 5:00pm</gco:CharacterString>
      </gmd:hoursOfService>
		  <gmd:contactInstructions>
		    <gco:CharacterString>For questions regarding this resource, please contact BCO-DMO via the email address provided.</gco:CharacterString>
		  </gmd:contactInstructions>
		</gmd:CI_Contact>
  </gmd:contactInfo>
  <gmd:role>
    <gmd:CI_RoleCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_RoleCode" codeListValue="pointOfContact"  codeSpace="007">pointOfContact</gmd:CI_RoleCode>
  </gmd:role>
</gmd:CI_ResponsibleParty>
      </gmd:contact>
    </gmd:MD_MaintenanceInformation>
  </gmd:metadataMaintenance>
  <gmi:acquisitionInformation>
    <gmi:MI_AcquisitionInformation>
    <gmi:instrument>
        <gmi:MI_Instrument>
          <gmi:identifier>
            <gmd:MD_Identifier>
              <gmd:code>
                <gmx:Anchor xlink:href="http://lod.bco-dmo.org/id/instrument/649.rdf" xlink:title="Automated DNA Sequencer" xlink:actuate="onRequest">Illumina sequencing machine</gmx:Anchor>
              </gmd:code>
            </gmd:MD_Identifier>
          </gmi:identifier>
          <gmi:type>
            <gco:CharacterString>Illumina sequencing machine</gco:CharacterString>
          </gmi:type>
          <gmi:description>
            <gco:CharacterString>PI Supplied Instrument Name: Illumina sequencing machine PI Supplied Instrument Description:Illumina HiSeq 4000 or Illumina NovaSeq 6000 Instrument Name: Automated DNA Sequencer Instrument Short Name:Automated Sequencer   Instrument Description: A DNA sequencer is an instrument that determines the order of deoxynucleotides in deoxyribonucleic acid sequences.</gco:CharacterString>
          </gmi:description>
        </gmi:MI_Instrument>
      </gmi:instrument>
      </gmi:MI_AcquisitionInformation>
  </gmi:acquisitionInformation>
</gmi:MI_Metadata>
