Vertical distribution of picoeukaryotic diversity in the Sargasso Sea (Record no. 48824)

MARC details
000 -LEADER
fixed length control field 02519nam a2200217Ia 4500
003 - CONTROL NUMBER IDENTIFIER
control field MX-MdCICY
005 - DATE AND TIME OF LATEST TRANSACTION
control field 20250625153945.0
040 ## - CATALOGING SOURCE
Transcribing agency CICY
090 ## - LOCALLY ASSIGNED LC-TYPE CALL NUMBER (OCLC); LOCAL CALL NUMBER (RLIN)
Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) B-14638
008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION
fixed length control field 250602s9999 xx |||||s2 |||| ||und|d
245 10 - TITLE STATEMENT
Title Vertical distribution of picoeukaryotic diversity in the Sargasso Sea
490 0# - SERIES STATEMENT
Volume/sequential designation Environmental MicroBiology, 9, p.1233-1452, 2007
520 3# - SUMMARY, ETC.
Summary, etc. Eukaryotic molecular diversity within the picoplanktonic size-fraction has primarily been studied in marine surface waters. Here, the vertical distribution of picoeukaryotic diversity was investigated in the Sargasso Sea from euphotic to abyssal waters, using size-fractionated samples (< 2 mm). 18S rRNA gene clone libraries were used to generate sequences from euphotic zone samples (deep chlorophyll maximum to the surface); the permanent thermocline (500 m); and the pelagic deep-sea (3000 m). Euphotic zone and deep-sea data contrasted strongly, the former displaying greater diversity at the first-rank taxon level, based on 232 nearly full-length sequences. Deep-sea sequences belonged almost exclusively to the Alveolata and Radiolaria, while surface samples also contained known and putative photosynthetic groups, such as unique Chlorarachniophyta and Chrysophyceae sequences. Phylogenetic analyses placed most Alveolata and Stramenopile sequences within previously reported 'environmental' clades, i.e. clades within the Novel Alveolate groups I and II (NAI and NAII), or the novel Marine Stramenopiles (MAST). However, some deep-sea NAII formed distinct, bootstrap supported clades. Stramenopiles were recovered from the euphotic zone only, although many MAST are reportedly heterotrophic, making the observed distribution a point for further investigation. An unexpectedly high proportion of radiolarian sequences were recovered. From these, five environmental radiolarian clades, RAD-I to RAD-V, were identified. RAD-IV and RAD-V were composed of Taxopodida-like sequences, with the former solely containing Sargasso Sea sequences, although from all depth zones sampled. Our findings highlight the vast diversity of these protists, most of which remain uncultured and of unknown ecological function.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Not, F.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Gausling, R.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Azam, F.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Heidelberg, J.F.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Worden, A.Z.
856 40 - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier <a href="https://drive.google.com/file/d/1hEz4SqvuPrLjbWE5oz2isrb1TJPLr4IU/view?usp=drivesdk">https://drive.google.com/file/d/1hEz4SqvuPrLjbWE5oz2isrb1TJPLr4IU/view?usp=drivesdk</a>
Public note Para ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx
942 ## - ADDED ENTRY ELEMENTS (KOHA)
Source of classification or shelving scheme Clasificación local
Koha item type Documentos solicitados
Holdings
Lost status Source of classification or shelving scheme Damaged status Not for loan Collection Home library Current library Shelving location Date acquired Total checkouts Full call number Date last seen Price effective from Koha item type
  Clasificación local     Ref1 CICY CICY Documento préstamo interbibliotecario 25.06.2025   B-14638 25.06.2025 25.06.2025 Documentos solicitados