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231225s2022 xx |||||o 00| ||eng c |
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|a 10.1111/jpy.13244
|2 doi
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|a pubmed25n1124.xml
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|a (NLM)35212412
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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1 |
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|a Moisander, Pia H
|e verfasserin
|4 aut
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|a Nitrogen Fixation Influenced by Phosphorus and Nitrogen Availability in the Benthic Bloom-forming Cyanobacterium Hydrocoleum sp. Identified in a Temperate Marine Lagoon
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 17.06.2022
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|a Date Revised 24.07.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2022 Phycological Society of America.
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|a The nitrogen-fixing, non-heterocystous cyanobacterium Hydrocoleum sp. (Oscillatoriales) is a common epiphytic and benthic bloom-former in tropical and subtropical shallow water systems but shares high phylogenetic similarity with the planktonic, globally important diazotroph Trichodesmium. Multiphasic observations in this study resulted in unexpected identification of Hydrocoleum sp. in mass accumulations in a coastal lagoon in the Western temperate North Atlantic Ocean. Hydrocoleum physiology was examined in situ through measurements of N2 and CO2 fixation rates and expression of genes involved with N2 fixation, CO2 fixation, and phosphorus (P) stress. Bulk N2 fixation rates and Hydrocoleum nifH expression peaked at night and were strongly suppressed by dissolved inorganic nitrogen (DIN). The expression of high affinity phosphate transporter (pstS) and alkaline phosphatase (phoA) genes of Hydrocoleum was elevated during the night and negatively responded to phosphate amendments, as evidence that these mechanisms contribute to P acquisition during diazotrophic growth of Hydrocoleum in situ. This discovery at the edge of the previously known Hydrocoleum habitat range in the warming oceans raises intriguing questions about diazotrophic cyanobacterial adaptations and transitions on the benthic-pelagic continuum
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Trichodesmium
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|a coralline algae
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| 650 |
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|a cyanobacteria
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|a diazotroph
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|a gene expression
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|a microphytobenthos
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|a nitrogen fixation
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|a nutrients
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|a systematics
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|a Carbon Dioxide
|2 NLM
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|a 142M471B3J
|2 NLM
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|a Phosphorus
|2 NLM
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| 650 |
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|a 27YLU75U4W
|2 NLM
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|a Nitrogen
|2 NLM
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| 650 |
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|a N762921K75
|2 NLM
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| 700 |
1 |
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|a Daley, Meaghan C
|e verfasserin
|4 aut
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1 |
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|a Shoemaker, Katyanne M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kolte, Vaishnavi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sharma, Gaurav
|e verfasserin
|4 aut
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|a Garlick, Kelsey
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of phycology
|d 1966
|g 58(2022), 3 vom: 21. Juni, Seite 377-391
|w (DE-627)NLM098182994
|x 1529-8817
|7 nnas
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| 773 |
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|g volume:58
|g year:2022
|g number:3
|g day:21
|g month:06
|g pages:377-391
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|u http://dx.doi.org/10.1111/jpy.13244
|3 Volltext
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