@article{RN54,
   author = {Malviya, S. and Scalco, E. and Audic, S. and Vincent, F. and Veluchamy, A. and Poulain, J. and Wincker, P. and Iudicone, D. and de Vargas, C. and Bittner, L. and Zingone, A. and Bowler, C.},
   title = {Insights into global diatom distribution and diversity in the world's ocean},
   journal = {Proc Natl Acad Sci U S A},
   volume = {113},
   number = {11},
   pages = {E1516-25},
   note = {Malviya, Shruti
Scalco, Eleonora
Audic, Stephane
Vincent, Flora
Veluchamy, Alaguraj
Poulain, Julie
Wincker, Patrick
Iudicone, Daniele
de Vargas, Colomban
Bittner, Lucie
Zingone, Adriana
Bowler, Chris
eng
Research Support, Non-U.S. Gov't
Proc Natl Acad Sci U S A. 2016 Mar 15;113(11):E1516-25. doi: 10.1073/pnas.1509523113. Epub 2016 Feb 29.},
   abstract = {Diatoms (Bacillariophyta) constitute one of the most diverse and ecologically important groups of phytoplankton. They are considered to be particularly important in nutrient-rich coastal ecosystems and at high latitudes, but considerably less so in the oligotrophic open ocean. The Tara Oceans circumnavigation collected samples from a wide range of oceanic regions using a standardized sampling procedure. Here, a total of approximately 12 million diatom V9-18S ribosomal DNA (rDNA) ribotypes, derived from 293 size-fractionated plankton communities collected at 46 sampling sites across the global ocean euphotic zone, have been analyzed to explore diatom global diversity and community composition. We provide a new estimate of diversity of marine planktonic diatoms at 4,748 operational taxonomic units (OTUs). Based on the total assigned ribotypes, Chaetoceros was the most abundant and diverse genus, followed by Fragilariopsis, Thalassiosira, and Corethron We found only a few cosmopolitan ribotypes displaying an even distribution across stations and high abundance, many of which could not be assigned with confidence to any known genus. Three distinct communities from South Pacific, Mediterranean, and Southern Ocean waters were identified that share a substantial percentage of ribotypes within them. Sudden drops in diversity were observed at Cape Agulhas, which separates the Indian and Atlantic Oceans, and across the Drake Passage between the Atlantic and Southern Oceans, indicating the importance of these ocean circulation choke points in constraining diatom distribution and diversity. We also observed high diatom diversity in the open ocean, suggesting that diatoms may be more relevant in these oceanic systems than generally considered.},
   keywords = {Aquatic Organisms
*Biodiversity
DNA, Ribosomal
Databases, Factual
Diatoms/classification/*genetics
Ecosystem
Microscopy/methods
*Oceans and Seas
Phytoplankton
Reproducibility of Results
Tara Oceans
biodiversity
choke points
diatoms
metabarcoding},
   ISSN = {1091-6490 (Electronic)
0027-8424 (Linking)},
   DOI = {10.1073/pnas.1509523113},
   url = {https://www.ncbi.nlm.nih.gov/pubmed/26929361},
   year = {2016},
   type = {Journal Article}
}

{"_id":"6LbZAtttipQ26Yknz","bibbaseid":"malviya-scalco-audic-vincent-veluchamy-poulain-wincker-iudicone-etal-insightsintoglobaldiatomdistributionanddiversityintheworldsocean-2016","author_short":["Malviya, S.","Scalco, E.","Audic, S.","Vincent, F.","Veluchamy, A.","Poulain, J.","Wincker, P.","Iudicone, D.","de Vargas, C.","Bittner, L.","Zingone, A.","Bowler, C."],"bibdata":{"bibtype":"article","type":"Journal Article","author":[{"propositions":[],"lastnames":["Malviya"],"firstnames":["S."],"suffixes":[]},{"propositions":[],"lastnames":["Scalco"],"firstnames":["E."],"suffixes":[]},{"propositions":[],"lastnames":["Audic"],"firstnames":["S."],"suffixes":[]},{"propositions":[],"lastnames":["Vincent"],"firstnames":["F."],"suffixes":[]},{"propositions":[],"lastnames":["Veluchamy"],"firstnames":["A."],"suffixes":[]},{"propositions":[],"lastnames":["Poulain"],"firstnames":["J."],"suffixes":[]},{"propositions":[],"lastnames":["Wincker"],"firstnames":["P."],"suffixes":[]},{"propositions":[],"lastnames":["Iudicone"],"firstnames":["D."],"suffixes":[]},{"propositions":["de"],"lastnames":["Vargas"],"firstnames":["C."],"suffixes":[]},{"propositions":[],"lastnames":["Bittner"],"firstnames":["L."],"suffixes":[]},{"propositions":[],"lastnames":["Zingone"],"firstnames":["A."],"suffixes":[]},{"propositions":[],"lastnames":["Bowler"],"firstnames":["C."],"suffixes":[]}],"title":"Insights into global diatom distribution and diversity in the world's ocean","journal":"Proc Natl Acad Sci U S A","volume":"113","number":"11","pages":"E1516-25","note":"Malviya, Shruti Scalco, Eleonora Audic, Stephane Vincent, Flora Veluchamy, Alaguraj Poulain, Julie Wincker, Patrick Iudicone, Daniele de Vargas, Colomban Bittner, Lucie Zingone, Adriana Bowler, Chris eng Research Support, Non-U.S. Gov't Proc Natl Acad Sci U S A. 2016 Mar 15;113(11):E1516-25. doi: 10.1073/pnas.1509523113. Epub 2016 Feb 29.","abstract":"Diatoms (Bacillariophyta) constitute one of the most diverse and ecologically important groups of phytoplankton. They are considered to be particularly important in nutrient-rich coastal ecosystems and at high latitudes, but considerably less so in the oligotrophic open ocean. The Tara Oceans circumnavigation collected samples from a wide range of oceanic regions using a standardized sampling procedure. Here, a total of approximately 12 million diatom V9-18S ribosomal DNA (rDNA) ribotypes, derived from 293 size-fractionated plankton communities collected at 46 sampling sites across the global ocean euphotic zone, have been analyzed to explore diatom global diversity and community composition. We provide a new estimate of diversity of marine planktonic diatoms at 4,748 operational taxonomic units (OTUs). Based on the total assigned ribotypes, Chaetoceros was the most abundant and diverse genus, followed by Fragilariopsis, Thalassiosira, and Corethron We found only a few cosmopolitan ribotypes displaying an even distribution across stations and high abundance, many of which could not be assigned with confidence to any known genus. Three distinct communities from South Pacific, Mediterranean, and Southern Ocean waters were identified that share a substantial percentage of ribotypes within them. Sudden drops in diversity were observed at Cape Agulhas, which separates the Indian and Atlantic Oceans, and across the Drake Passage between the Atlantic and Southern Oceans, indicating the importance of these ocean circulation choke points in constraining diatom distribution and diversity. We also observed high diatom diversity in the open ocean, suggesting that diatoms may be more relevant in these oceanic systems than generally considered.","keywords":"Aquatic Organisms *Biodiversity DNA, Ribosomal Databases, Factual Diatoms/classification/*genetics Ecosystem Microscopy/methods *Oceans and Seas Phytoplankton Reproducibility of Results Tara Oceans biodiversity choke points diatoms metabarcoding","issn":"1091-6490 (Electronic) 0027-8424 (Linking)","doi":"10.1073/pnas.1509523113","url":"https://www.ncbi.nlm.nih.gov/pubmed/26929361","year":"2016","bibtex":"@article{RN54,\r\n author = {Malviya, S. and Scalco, E. and Audic, S. and Vincent, F. and Veluchamy, A. and Poulain, J. and Wincker, P. and Iudicone, D. and de Vargas, C. and Bittner, L. and Zingone, A. and Bowler, C.},\r\n title = {Insights into global diatom distribution and diversity in the world's ocean},\r\n journal = {Proc Natl Acad Sci U S A},\r\n volume = {113},\r\n number = {11},\r\n pages = {E1516-25},\r\n note = {Malviya, Shruti\r\nScalco, Eleonora\r\nAudic, Stephane\r\nVincent, Flora\r\nVeluchamy, Alaguraj\r\nPoulain, Julie\r\nWincker, Patrick\r\nIudicone, Daniele\r\nde Vargas, Colomban\r\nBittner, Lucie\r\nZingone, Adriana\r\nBowler, Chris\r\neng\r\nResearch Support, Non-U.S. Gov't\r\nProc Natl Acad Sci U S A. 2016 Mar 15;113(11):E1516-25. doi: 10.1073/pnas.1509523113. Epub 2016 Feb 29.},\r\n abstract = {Diatoms (Bacillariophyta) constitute one of the most diverse and ecologically important groups of phytoplankton. They are considered to be particularly important in nutrient-rich coastal ecosystems and at high latitudes, but considerably less so in the oligotrophic open ocean. The Tara Oceans circumnavigation collected samples from a wide range of oceanic regions using a standardized sampling procedure. Here, a total of approximately 12 million diatom V9-18S ribosomal DNA (rDNA) ribotypes, derived from 293 size-fractionated plankton communities collected at 46 sampling sites across the global ocean euphotic zone, have been analyzed to explore diatom global diversity and community composition. We provide a new estimate of diversity of marine planktonic diatoms at 4,748 operational taxonomic units (OTUs). Based on the total assigned ribotypes, Chaetoceros was the most abundant and diverse genus, followed by Fragilariopsis, Thalassiosira, and Corethron We found only a few cosmopolitan ribotypes displaying an even distribution across stations and high abundance, many of which could not be assigned with confidence to any known genus. Three distinct communities from South Pacific, Mediterranean, and Southern Ocean waters were identified that share a substantial percentage of ribotypes within them. Sudden drops in diversity were observed at Cape Agulhas, which separates the Indian and Atlantic Oceans, and across the Drake Passage between the Atlantic and Southern Oceans, indicating the importance of these ocean circulation choke points in constraining diatom distribution and diversity. 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