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Broad phylogenetic and functional diversity among mixotrophic consumers of Prochlorococcus.

التفاصيل البيبلوغرافية
العنوان: Broad phylogenetic and functional diversity among mixotrophic consumers of Prochlorococcus.
المؤلفون: Li Q; School of Oceanography, Shanghai Jiao Tong University, Shanghai, China.; Department of Oceanography, School of Ocean and Earth Science and Technology (SOEST), University of Hawai'i at Mānoa, Honolulu, HI, USA.; Daniel K. Inouye Center for Microbial Oceanography: Research and Education, School of Ocean and Earth Science and Technology (SOEST), University of Hawai'i at Mānoa, Honolulu, HI, USA., Edwards KF; Department of Oceanography, School of Ocean and Earth Science and Technology (SOEST), University of Hawai'i at Mānoa, Honolulu, HI, USA., Schvarcz CR; Department of Oceanography, School of Ocean and Earth Science and Technology (SOEST), University of Hawai'i at Mānoa, Honolulu, HI, USA.; Daniel K. Inouye Center for Microbial Oceanography: Research and Education, School of Ocean and Earth Science and Technology (SOEST), University of Hawai'i at Mānoa, Honolulu, HI, USA., Steward GF; Department of Oceanography, School of Ocean and Earth Science and Technology (SOEST), University of Hawai'i at Mānoa, Honolulu, HI, USA. grieg@hawaii.edu.; Daniel K. Inouye Center for Microbial Oceanography: Research and Education, School of Ocean and Earth Science and Technology (SOEST), University of Hawai'i at Mānoa, Honolulu, HI, USA. grieg@hawaii.edu.
المصدر: The ISME journal [ISME J] 2022 Jun; Vol. 16 (6), pp. 1557-1569. Date of Electronic Publication: 2022 Feb 10.
نوع المنشور: Journal Article; Research Support, U.S. Gov't, Non-P.H.S.
اللغة: English
بيانات الدورية: Publisher: Nature Pub. Group Country of Publication: England NLM ID: 101301086 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1751-7370 (Electronic) Linking ISSN: 17517362 NLM ISO Abbreviation: ISME J Subsets: MEDLINE
أسماء مطبوعة: Original Publication: London : Nature Pub. Group
مواضيع طبية MeSH: Haptophyta* , Prochlorococcus*/genetics, Bacteria ; Ecosystem ; Phylogeny ; Phytoplankton ; Seawater/microbiology
مستخلص: Small eukaryotic phytoplankton are major contributors to global primary production and marine biogeochemical cycles. Many taxa are thought to be mixotrophic, but quantitative studies of phagotrophy exist for very few. In addition, little is known about consumers of Prochlorococcus, the abundant cyanobacterium at the base of oligotrophic ocean food webs. Here we describe thirty-nine new phytoplankton isolates from the North Pacific Subtropical Gyre (Station ALOHA), all flagellates ~2-5 µm diameter, and we quantify their ability to graze Prochlorococcus. The mixotrophs are from diverse classes (dictyochophytes, haptophytes, chrysophytes, bolidophytes, a dinoflagellate, and a chlorarachniophyte), many from previously uncultured clades. Grazing ability varied substantially, with specific clearance rate (volume cleared per body volume) varying over ten-fold across isolates and six-fold across genera. Slower grazers tended to create more biovolume per prey biovolume consumed. Using qPCR we found that the haptophyte Chrysochromulina was most abundant among the isolated mixotrophs at Station ALOHA, with 76-250 cells mL -1 across depths in the upper euphotic zone (5-100 m). Our results show that within a single ecosystem the phototrophs that ingest bacteria come from many branches of the eukaryotic tree, and are functionally diverse, indicating a broad range of strategies along the spectrum from phototrophy to phagotrophy.
(© 2022. The Author(s).)
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معلومات مُعتمدة: OCE 15-59356 National Science Foundation (NSF); OIA 17-36030 National Science Foundation (NSF); OCE 15-59356 Simons Foundation
تواريخ الأحداث: Date Created: 20220211 Date Completed: 20220524 Latest Revision: 20221020
رمز التحديث: 20240829
مُعرف محوري في PubMed: PMC9122939
DOI: 10.1038/s41396-022-01204-z
PMID: 35145244
قاعدة البيانات: MEDLINE
الوصف
تدمد:1751-7370
DOI:10.1038/s41396-022-01204-z