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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2021.02.040
|2 doi
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|a pubmed24n1075.xml
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|a (DE-627)NLM322630886
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|a (NLM)33706184
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|a (PII)S0981-9428(21)00107-8
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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 |
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|a Kartashov, Alexander V
|e verfasserin
|4 aut
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|a Quantitative analysis of differential dehydrin regulation in pine and spruce seedlings under water deficit
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|c 2021
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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 27.04.2021
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|a Date Revised 27.04.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2021 Elsevier Masson SAS. All rights reserved.
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|a Dehydrins are well-known components of plant responses to different stresses that cause dehydration, including drought, freezing, salinity, etc. In conifers, the dehydrin gene family is very large, implying that the members of this family have important physiological functions in conifer stress tolerance. However, dehydrin gene expression displays a wide range of responses to stress, from thousand-fold increased expression to decreased expression, and it is generally unknown how regulatory systems are connected at the mRNA and protein levels. Therefore, we studied these aspects of dehydrin regulation in Scots pine (Pinus sylvestris L.) and Norway spruce (Picea abies (L.) H. Karst) seedlings under polyethylene glycol 6000-induced osmotic stress ranging from relatively low (culture medium water potential of -0.15 MPa) to very high (-1.0 MPa) intensities. In pine, the major dehydrin protein was Dhn1 in both the roots and needles, and in spruce, two isoforms of the Dhn4 protein were the major dehydrins; both of these proteins are AESK-type dehydrins. The genes encoding these major proteins were highly expressed even under control conditions; surprisingly, we also observed several highly expressed dehydrin genes that were not abundantly translated. Under osmotic stress, the most prominent expression changes were observed for the dehydrin genes with low basal expression levels, whereas highly expressed genes generally demonstrated rather modest changes in expression. We report proposed constitutive physiological functions of the AESK-type dehydrins in Pinaceae plants
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|a Journal Article
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|a Gene expression
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|a Induced water stress
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|a Picea abies
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|a Pinus sylvestris
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|a Polyethylene glycol
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|a Western blot analysis
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|a Water
|2 NLM
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|a 059QF0KO0R
|2 NLM
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|a Zlobin, Ilya E
|e verfasserin
|4 aut
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|a Pashkovskiy, Pavel P
|e verfasserin
|4 aut
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| 700 |
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|a Pojidaeva, Elena S
|e verfasserin
|4 aut
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| 700 |
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|a Ivanov, Yury V
|e verfasserin
|4 aut
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| 700 |
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|a Mamaeva, Anna S
|e verfasserin
|4 aut
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| 700 |
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|a Fesenko, Igor A
|e verfasserin
|4 aut
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|a Kuznetsov, Vladimir V
|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 162(2021) vom: 29. Mai, Seite 237-246
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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|g volume:162
|g year:2021
|g day:29
|g month:05
|g pages:237-246
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|u http://dx.doi.org/10.1016/j.plaphy.2021.02.040
|3 Volltext
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