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|a 10.1093/jxb/erad405
|2 doi
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|a pubmed24n1553.xml
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|a (NLM)37877811
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|a DE-627
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|e rakwb
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|a eng
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|a Zhang, Ningning
|e verfasserin
|4 aut
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|a Moderate high temperature is beneficial or detrimental depending on carbon availability in the green alga Chlamydomonas reinhardtii
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|c 2024
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|a Text
|b txt
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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 05.02.2024
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|a Date Revised 30.09.2024
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|a published: Print
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|a Citation Status MEDLINE
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|a © The Author(s) 2023. Published by Oxford University Press on behalf of the Society for Experimental Biology. All rights reserved. For permissions, please email: journals.permissionsoup.com.
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|a High temperatures impair plant growth and reduce agricultural yields, but the underlying mechanisms remain elusive. The unicellular green alga Chlamydomonas reinhardtii is an excellent model to study heat responses in photosynthetic cells due to its fast growth rate, many similarities in cellular processes to land plants, simple and sequenced genome, and ample genetic and genomics resources. Chlamydomonas grows in light by photosynthesis and with externally supplied acetate as an organic carbon source. Understanding how organic carbon sources affect heat responses is important for the algal industry but remains understudied. We cultivated wild-type Chlamydomonas under highly controlled conditions in photobioreactors at 25 °C (control), 35 °C (moderate high temperature), or 40 °C (acute high temperature) with or without constant acetate supply for 1 or 4 day. Treatment at 35 °C increased algal growth with constant acetate supply but reduced algal growth without sufficient acetate. The overlooked and dynamic effects of 35 °C could be explained by induced acetate uptake and metabolism. Heat treatment at 40 °C for more than 2 day was lethal to algal cultures with or without constant acetate supply. Our findings provide insights to understand algal heat responses and help improve thermotolerance in photosynthetic cells
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Research Support, U.S. Gov't, Non-P.H.S.
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|a Chlamydomonas reinhardtii
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|a Acetate
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|a acute high temperature
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|a gluconeogenesis
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|a glycolysis
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|a glyoxylate cycle
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|a heat responses
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|a moderate high temperature
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|a photobioreactor
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|a Carbon
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|a 7440-44-0
|2 NLM
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|a Acetates
|2 NLM
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|a Venn, Benedikt
|e verfasserin
|4 aut
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|a Bailey, Catherine E
|e verfasserin
|4 aut
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|a Xia, Ming
|e verfasserin
|4 aut
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|a Mattoon, Erin M
|e verfasserin
|4 aut
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|a Mühlhaus, Timo
|e verfasserin
|4 aut
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|a Zhang, Ru
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 75(2024), 3 vom: 02. Feb., Seite 979-1003
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
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|g volume:75
|g year:2024
|g number:3
|g day:02
|g month:02
|g pages:979-1003
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|u http://dx.doi.org/10.1093/jxb/erad405
|3 Volltext
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