Extreme Diversity of Diplonemid Eukaryotes in the Ocean

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60077344%3A_____%2F16%3A00468976" target="_blank" >RIV/60077344:_____/16:00468976 - isvavai.cz</a>

Alternative codes found

RIV/60076658:12310/16:43890671 RIV/61988987:17310/16:A210286B

Result on the web

<a href="http://dx.doi.org/10.1016/j.cub.2016.09.031" target="_blank" >http://dx.doi.org/10.1016/j.cub.2016.09.031</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.cub.2016.09.031" target="_blank" >10.1016/j.cub.2016.09.031</a>

Result language

angličtina

Original language name

Extreme Diversity of Diplonemid Eukaryotes in the Ocean

Original language description

The world's oceans represent by farthe largest biome, with great importance for the global ecosystem [1-4]. The vast majority of ocean biomass and biodiversity is composed of microscopic plankton. Recent results from the Tara Oceans metabarcoding study revealed that a significant part of the plankton in the upper sunlit layer of the ocean is represented by an understudied group of heterotrophic excavate flagellates called diplonemids [5, 6]. We have analyzed the diversity and distribution patterns of diplonemid populations on the extended set of Tara Oceans V9 18S rDNA metabarcodes amplified from 850 size-fractionated plankton communities sampled across 123 globally distributed locations, for the first time also including samples from the mesopelagic zone, which spans the depth from about 200 to 1,000 meters. Diplonemids separate into four major clades, with the vast majority falling into the deep-sea pelagic diplonemid Glade. Remarkably, diversity of this Glade inferred from metabarcoding data surpasses even that of dinoflagellates, metazoans, and rhizarians, qualifying diplonemids as possibly the most diverse group of marine planktonic eukaryotes. Diplonemids display strong vertical separation between the photic and mesopelagic layers, with the majority of their relative abundance and diversity occurring in deeper waters. Globally, diplonemids display no apparent biogeographic structuring, with a few hyperabundant cosmopolitan operational taxonomic units (OTUs) dominating their communities. Our results suggest that the planktonic diplonemids are among the key heterotrophic players in the largest ecosystem of our biosphere, yet their roles in this ecosystem remain unknown.

Czech name

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Czech description

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Type

J_x - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

CEP classification

EG - Zoology

OECD FORD branch

—

Project

Result was created during the realization of more than one project. More information in the Projects tab.

Continuities

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2016

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Current Biology

ISSN

0960-9822

e-ISSN

—

Volume of the periodical

26

Issue of the periodical within the volume

22

Country of publishing house

GB - UNITED KINGDOM

Number of pages

6

Pages from-to

3060-3065

UT code for WoS article

000388545900025

EID of the result in the Scopus database

2-s2.0-84997079468