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dc.contributor.author
Fermani, Paulina
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dc.contributor.author
Metz, Sebastián Darío
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dc.contributor.author
Balagué, Vanesa
dc.contributor.author
Descy, Jean Pierre
dc.contributor.author
Morana, Cédric
dc.contributor.author
Logares, Ramiro
dc.contributor.author
Massana, Ramon
dc.contributor.author
Sarmento, Hugo
dc.date.available
2022-08-04T01:08:48Z
dc.date.issued
2021-08-02
dc.identifier.citation
Fermani, Paulina; Metz, Sebastián Darío; Balagué, Vanesa; Descy, Jean Pierre; Morana, Cédric; et al.; Microbial eukaryotes assemblages and potential novel diversity in four tropical East-African Great Lakes; Wiley Blackwell Publishing, Inc; Fems Microbiology Ecology; 97; 9; 2-8-2021; 1-20
dc.identifier.issn
0168-6496
dc.identifier.uri
http://hdl.handle.net/11336/164127
dc.description.abstract
East African Great Lakes are old and unique natural resources heavily utilized by their bordering countries. In those lakes, ecosystem functioning is dominated by pelagic processes, where microorganisms are key components; however, protistan diversity is barely known. We investigated the community composition of small eukaryotes (<10 µm) in surface waters of four African Lakes (Kivu, Edward, Albert and Victoria) by sequencing the 18S rRNA gene. Moreover, in the meromictic Lake Kivu, two stations were vertically studied. We found high protistan diversity distributed in 779 operational taxonomic units (OTUs), spanning in 11 high-rank lineages, being Alveolata (31%), Opisthokonta (20%) and Stramenopiles (17%) the most represented supergroups. Surface protistan assemblages were associated with conductivity and productivity gradients, whereas depth had a strong effect on protistan community in Kivu, with higher contribution of heterotrophic organisms. Approximately 40% of OTUs had low similarity (<90%) with reported sequences in public databases; these were mostly coming from deep anoxic waters of Kivu, suggesting a high extent of novel diversity. We also detected several taxa so far considered exclusive of marine ecosystems. Our results unveiled a complex and largely undescribed protistan community, in which several lineages have adapted to different niches after crossing the salinity boundary.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Wiley Blackwell Publishing, Inc
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dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
AFRICA
dc.subject
DIVERSITY
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GREAT LAKES
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METABARCODING
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NOVELTY
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PROTISTS
dc.subject.classification
Biología Marina, Limnología
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dc.subject.classification
Ciencias Biológicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Microbial eukaryotes assemblages and potential novel diversity in four tropical East-African Great Lakes
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2022-08-02T17:26:08Z
dc.journal.volume
97
dc.journal.number
9
dc.journal.pagination
1-20
dc.journal.pais
Reino Unido
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dc.journal.ciudad
Londres
dc.description.fil
Fil: Fermani, Paulina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Investigaciones Biotecnológicas. Instituto de Investigaciones Biotecnológicas "Dr. Raúl Alfonsín" (sede Chascomús). Universidad Nacional de San Martín. Instituto de Investigaciones Biotecnológicas. Instituto de Investigaciones Biotecnológicas "Dr. Raúl Alfonsín" (sede Chascomús); Argentina
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Fil: Metz, Sebastián Darío. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. University Of Brest; Francia
dc.description.fil
Fil: Balagué, Vanesa. Institut de Ciències del Mar; España
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Fil: Descy, Jean Pierre. Université de Liège; Bélgica
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Fil: Morana, Cédric. Université de Liège; Bélgica
dc.description.fil
Fil: Logares, Ramiro. Institut de Ciències del Mar; España
dc.description.fil
Fil: Massana, Ramon. Institut de Ciències del Mar; España
dc.description.fil
Fil: Sarmento, Hugo. Universidade Federal de São Carlos; Brasil
dc.journal.title
Fems Microbiology Ecology
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://academic.oup.com/femsec/article/97/9/fiab114/6335480
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1093/femsec/fiab114
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