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231225s2022 xx |||||o 00| ||eng c |
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|a 10.1016/j.jplph.2022.153642
|2 doi
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|a pubmed24n1124.xml
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|a (DE-627)NLM337247706
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|a (NLM)35193088
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|a (PII)S0176-1617(22)00028-1
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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 Li, Xiang
|e verfasserin
|4 aut
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| 245 |
1 |
0 |
|a Small antisense RNA ThfR positively regulates Thf1 in Synechocystis sp. PCC 6803
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|c 2022
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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 25.03.2022
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|a Date Revised 25.03.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2022 Elsevier GmbH. All rights reserved.
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|a Thylakoid formation1 (Thf1), encoded by sll1414 (thf1), is a multifunctional protein conserved in all photosynthetic organisms. thf1 expression is highly induced by high light in Synechocystis during photosynthesis-related stress. In this study, differential RNA sequencing analysis of the Synechocystis sp. PCC 6803 revealed a small antisense RNA (asRNA) gene located on the reverse-complementary strand of the thf1 gene. The full length of this asRNA (designated ThfR) was determined by 5' and 3' RACE analysis. The accumulation of thf1 mRNA was up-regulated synchronously with the ThfR level during survival after high-light stress or nitrogen starvation. Under nitrogen starvation or high-light stress, compared with the wild type, a ThfR overexpression mutant demonstrated relatively more Thf1 protein content, while a ThfR reduced-expression mutant accumulated less Thf1 protein. Furthermore, the overexpression of ThfR enhanced the electron transport rate and the proliferation of cyanobacteria under high-light stress. These results, which we confirmed further using an Escherichia coli sRNA expression platform, suggest that the thf1 gene is positively regulated by ThfR, possibly through protection of the RAUUW element at the RNase E cleavage site. This study represents the first report, to our knowledge, of a cis-transcript antisense RNA that targets thf1 in Synechocystis sp. PCC 6803 and provides evidence that ThfR regulates photosynthesis by positively modulating thf1 under high-light conditions
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|a Journal Article
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|a Photosynthesis
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|a Positive regulation
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|a Synechocystis sp. PCC 6803
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|a ThfR
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|a sRNA
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4 |
|a thf1
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| 650 |
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|a Bacterial Proteins
|2 NLM
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| 650 |
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|a RNA, Antisense
|2 NLM
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| 650 |
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|a RNA, Messenger
|2 NLM
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| 700 |
1 |
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|a Xue, Chunling
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Hui
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Huafeng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Qiang
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Journal of plant physiology
|d 1979
|g 271(2022) vom: 01. Apr., Seite 153642
|w (DE-627)NLM098174622
|x 1618-1328
|7 nnns
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| 773 |
1 |
8 |
|g volume:271
|g year:2022
|g day:01
|g month:04
|g pages:153642
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| 856 |
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|u http://dx.doi.org/10.1016/j.jplph.2022.153642
|3 Volltext
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|a AR
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|d 271
|j 2022
|b 01
|c 04
|h 153642
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