Distributions of bacteriohopanepolyols in lakes and coastal lagoons of the Azores Archipelago
Abstract HG-diMe (where HG refers to head group), N1-methylinosylhopane, 2Me-N1-inosylhopane, and Me-N1-inosylhopane) are present in low abundance or absent under oxic conditions but increase in concentration near the chemocline, suggesting potential in situ production of these nucleoside BHPs rather than an allochthonous origin. In contrast, sediments from shallow, well-mixed lakes (i.e., Empadadas, São Jorge, and Lomba) contain higher abundances of adenosylhopane and N1-methylinosylhopane, which likely originate from bacteria living in nearby soils. Based on our current results we revised the existing R soil R soil-lake). In the coastal lagoons, Cubres East and Cubres West, methoxylated BHTs were detected, and higher abundances of ethenolamine-BHT were observed. This study highlights the diversity of BHPs in lakes and coastal lagoons and their potential as taxonomic markers for bacteria associated with certain ecological niches, which can be preserved in sedimentary records.
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Erschienen in
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Distributions of bacteriohopanepolyols in lakes and coastal lagoons of the Azores Archipelago ; volume:20 ; number:11 ; year:2023 ; pages:2065-2098 ; extent:34
Biogeosciences ; 20, Heft 11 (2023), 2065-2098 (gesamt 34)
- Urheber
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Richter, Nora
Hopmans, Ellen C.
Mitrović, Danica
Raposeiro, Pedro M.
Gonçalves, Vítor
Costa, Ana C.
Amaral-Zettler, Linda A.
Villanueva, Laura
Rush, Darci
- DOI
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10.5194/bg-20-2065-2023
- URN
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urn:nbn:de:101:1-2023061504263981701303
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
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14.08.2025, 10:54 MESZ
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Beteiligte
- Richter, Nora
- Hopmans, Ellen C.
- Mitrović, Danica
- Raposeiro, Pedro M.
- Gonçalves, Vítor
- Costa, Ana C.
- Amaral-Zettler, Linda A.
- Villanueva, Laura
- Rush, Darci
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