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240125s2024 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2024.108365
|2 doi
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|a pubmed24n1334.xml
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|a (DE-627)NLM367569922
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|a (NLM)38266563
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|a (PII)S0981-9428(24)00033-0
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Marchetto, Francesca
|e verfasserin
|4 aut
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|a Dynamic adaptation of the extremophilic red microalga Cyanidioschyzon merolae to high nickel stress
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|c 2024
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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
|b cr
|2 rdacarrier
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|a Date Completed 18.03.2024
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|a Date Revised 18.03.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2024 The Author(s). Published by Elsevier Masson SAS.. All rights reserved.
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|a The order of Cyanidiales comprises seven acido-thermophilic red microalgal species thriving in hot springs of volcanic origin characterized by extremely low pH, moderately high temperatures and the presence of high concentrations of sulphites and heavy metals that are prohibitive for most other organisms. Little is known about the physiological processes underlying the long-term adaptation of these extremophiles to such hostile environments. Here, we investigated the long-term adaptive responses of a red microalga Cyanidioschyzon merolae, a representative of Cyanidiales, to extremely high nickel concentrations. By the comprehensive physiological, microscopic and elemental analyses we dissected the key physiological processes underlying the long-term adaptation of this model extremophile to high Ni exposure. These include: (i) prevention of significant Ni accumulation inside the cells; (ii) activation of the photoprotective response of non-photochemical quenching; (iii) significant changes of the chloroplast ultrastructure associated with the formation of prolamellar bodies and plastoglobuli together with loosening of the thylakoid membranes; (iv) activation of ROS amelioration machinery; and (v) maintaining the efficient respiratory chain functionality. The dynamically regulated processes identified in this study are discussed in the context of the mechanisms driving the remarkable adaptability of C. merolae to extremely high Ni levels exceeding by several orders of magnitude those found in the natural environment of the microalga. The processes identified in this study provide a solid basis for the future investigation of the specific molecular components and pathways involved in the adaptation of Cyanidiales to the extremely high Ni concentrations
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|a Journal Article
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|a Abiotic stress
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|a Adaptation
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|a Cyanidioschyzon merolae
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|a Heavy metals
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|a Nickel
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|a Photosynthesis and respiration
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|a Nickel
|2 NLM
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| 650 |
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|a 7OV03QG267
|2 NLM
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|a Santaeufemia, Sergio
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lebiedzińska-Arciszewska, Magdalena
|e verfasserin
|4 aut
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|a Śliwińska, Małgorzata A
|e verfasserin
|4 aut
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|a Pich, Magdalena
|e verfasserin
|4 aut
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|a Kurek, Eliza
|e verfasserin
|4 aut
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|a Naziębło, Aleksandra
|e verfasserin
|4 aut
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|a Strawski, Marcin
|e verfasserin
|4 aut
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|a Solymosi, Daniel
|e verfasserin
|4 aut
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|a Szklarczyk, Marek
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|4 aut
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|a Bulska, Ewa
|e verfasserin
|4 aut
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|a Szymański, Jędrzej
|e verfasserin
|4 aut
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| 700 |
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|a Wierzbicka, Małgorzata
|e verfasserin
|4 aut
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|a Allahverdiyeva, Yagut
|e verfasserin
|4 aut
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|a Więckowski, Mariusz R
|e verfasserin
|4 aut
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|a Kargul, Joanna
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 207(2024) vom: 15. Feb., Seite 108365
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
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|g volume:207
|g year:2024
|g day:15
|g month:02
|g pages:108365
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|u http://dx.doi.org/10.1016/j.plaphy.2024.108365
|3 Volltext
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|d 207
|j 2024
|b 15
|c 02
|h 108365
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