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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1111/jpy.13308
|2 doi
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|a pubmed25n1165.xml
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|a (NLM)36471567
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|a DE-627
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|a eng
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|a Den, Tran Quoc
|e verfasserin
|4 aut
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|a Distinct glycoconjugate cell surface structures make the pelagic diatom Thalassiosira rotula an attractive habitat for bacteria
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 14.04.2023
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|a Date Revised 28.05.2024
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|a published: Print-Electronic
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|a ErratumIn: J Phycol. 2024 Jun;60(3):780. doi: 10.1111/jpy.13456. - PMID 38804197
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|a Citation Status MEDLINE
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|a © 2022 The Authors. Journal of Phycology published by Wiley Periodicals LLC on behalf of Phycological Society of America.
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|a Interactions between marine diatoms and bacteria have been studied for decades. However, the visualization of physical interactions between these diatoms and their colonizers is still limited. To enhance our understanding of these specific interactions, a new Thalassiosira rotula isolate from the North Sea (strain 8673) was characterized by scanning electron microscopy and confocal laser scanning microscopy (CLSM) after staining with fluorescently labeled lectins targeting specific glycoconjugates. To investigate defined interactions of this strain with bacteria the new strain was made axenic and co-cultivated with a natural bacterial community and in two- or three-partner consortia with different bacteria of the Roseobacter group, Gammaproteobacteria and Bacteroidetes. The CLSM analysis of the consortia identified six out of 78 different lectins as very suitable to characterize glycoconjugates of T. rotula. The resulting images show that fucose-containing threads were the dominant glycoconjugates secreted by the T. rotula cells but chitin and to a lesser extent other glycoconjugates were also identified. Bacteria attached predominantly to the fucose glycoconjugates. The colonizing bacteria showed various attachment patterns such as adhering to the diatom threads in aggregates only or attaching to both the surfaces and the threads of the diatom. Interestingly the colonization patterns of single bacteria differed strikingly from those of bacterial co-cultures, indicating that interactions between two bacterial species impacted the colonization of the diatom. Our observations help to better understand physical interactions and specific colonization patterns of distinct bacterial mono- and co-cultures with an abundant diatom of costal seas
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a attachment
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|a carbohydrates
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|a colonization
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|a confocal laser scanning microscopy
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|a diatom
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|a lectin
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|a phycosphere
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|a thread
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|a Fucose
|2 NLM
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|a 28RYY2IV3F
|2 NLM
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|a Glycoconjugates
|2 NLM
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|a Lectins
|2 NLM
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| 700 |
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|a Neu, Thomas R
|e verfasserin
|4 aut
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1 |
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|a Sultana, Sabiha
|e verfasserin
|4 aut
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|a Giebel, Helge-A
|e verfasserin
|4 aut
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|a Simon, Meinhard
|e verfasserin
|4 aut
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|a Billerbeck, Sara
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of phycology
|d 1966
|g 59(2023), 2 vom: 14. Apr., Seite 309-322
|w (DE-627)NLM098182994
|x 1529-8817
|7 nnas
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| 773 |
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|g volume:59
|g year:2023
|g number:2
|g day:14
|g month:04
|g pages:309-322
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|u http://dx.doi.org/10.1111/jpy.13308
|3 Volltext
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