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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2019.11.016
|2 doi
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|a pubmed24n1011.xml
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|a (NLM)31756606
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|a (PII)S0981-9428(19)30473-5
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Sajjad, Saba
|e verfasserin
|4 aut
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| 245 |
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|a Differential proteomic analyses of green microalga Ettlia sp. at various dehydration levels
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|c 2020
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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 05.03.2020
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2019 Elsevier Masson SAS. All rights reserved.
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|a Water deprivation could be a lethal stress for aquatic and aero-terrestrial organisms. Ettlia sp. is a unicellular photosynthetic freshwater microalga. In the present study, proteomic alterations and physiological characteristics of Ettlia sp. were analyzed to comprehend the molecular changes in dehydrated conditions. Varying levels of dehydration were achieved by incubating drained Ettlia sp. in different relative humidity environments for 24 hours. Using a comparative proteomic analysis, 52 differentially expressed protein spots were identified that could be divided into eight functional groups. The PCA analysis of normalized protein expression values demonstrated a clear segregation of protein expression profiles among different dehydration levels. Identified proteins could be grouped into four clusters based on their expression profiles. Proteins relating to photosynthesis comprised the largest group with 25% of the identified proteins that were decreased in dehydrated samples and belonged to cluster I. The photosynthetic activities were measured with rehydrated Ettlia sp. These results revealed that photosynthesis remained inhibited over extended time in response to dehydration. The expressions of reactive oxygen species (ROS) scavenger proteins increased in strong dehydration and were assigned to cluster III. Carbon metabolism proteins were suppressed, which might limit energy consumption, whereas glycolysis was activated at mild dehydration. The accumulation of desiccation-associated late embryogenesis proteins might inhibit the aggregation of housekeeping proteins. DNA protective proteins were expressed higher in the dehydrated state, which might reduce DNA damage, and membrane-stabilizing proteins increased in abundance in desiccation. These findings provide an understanding of Ettlia's adaptation and survival capabilities in a dehydrated state
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|a Journal Article
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|a Dehydration
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|a Desiccation
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|a Ettlia sp.
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|a Microalgae
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|a Proteomics
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| 650 |
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|a Stress response
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|a Ha, Ji-San
|e verfasserin
|4 aut
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|a Seo, Seong-Hyun
|e verfasserin
|4 aut
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|a Yoon, Tae-Sung
|e verfasserin
|4 aut
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| 700 |
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|a Oh, Hee-Mock
|e verfasserin
|4 aut
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| 700 |
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|a Lee, Hyung-Gwan
|e verfasserin
|4 aut
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| 700 |
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|a Kang, Sunghyun
|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 146(2020) vom: 01. Jan., Seite 198-210
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
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|g volume:146
|g year:2020
|g day:01
|g month:01
|g pages:198-210
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|u http://dx.doi.org/10.1016/j.plaphy.2019.11.016
|3 Volltext
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