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231224s2015 xx |||||o 00| ||eng c |
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|a 10.1016/j.jplph.2015.01.017
|2 doi
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|a pubmed25n0823.xml
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|a (DE-627)NLM246946741
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|a (NLM)25756919
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|a (PII)S0176-1617(15)00040-1
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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 Zhang, Jun
|e verfasserin
|4 aut
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| 245 |
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|a Transcriptomic screening for cyclotides and other cysteine-rich proteins in the metallophyte Viola baoshanensis
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|c 2015
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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 04.02.2016
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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 © 2015 Elsevier GmbH. All rights reserved.
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|a Cysteine (Cys)-rich proteins (CRPs) are frequently associated with plant defense and stress resistance. Viola baoshanensis is a cadmium (Cd) hyper-accumulating plant whose CRPs-based defense systems are so far poorly understood. Next generation sequencing (NGS) techniques and a specialist searching tool, CrpExcel, were employed for identifying CRPs in V. baoshanensis. The transcriptome sequences of V. baoshanensis were assembled primarily from 454FLX/Hiseq2000 reads of plant cDNA sequencing libraries. CrpExcel was then used to search the ORFs and 9687 CRPs were identified, and included zinc finger (ZF) proteins, lipid transfer proteins, thaumatins and cyclotide precursors. Real-time PCR results showed that all CRP genes tested are constitutively expressed, but the genes of defensive peptides showed greater up-regulated expression than those of ZF-proteins in Cd- and/or wounding (Wd) treatments of V. baoshanensis seedlings. The NGS-derived sequences of cyclotide precursor genes were verified by RT-PCR and ABI3730 sequencing studies, and 32 novel cyclotides were identified in V. baoshanensis. In general, the metal-binding sites of ZF-containing CRPs also represented the potential vulnerable targets of toxic metals. This study provides broad insights into CRPs-based defense systems and stress-vulnerable targets in V. baoshanensis. It now brings the number of cyclotide sequences in V. baoshanensis to 53 and based on projections from this work, the number of cyclotides in the Violaceae is now conservatively estimated to be >30000
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a CrpExcel
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|a Cyclotides
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|a Cysteine-rich proteins
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|a Transcriptome profiles
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|a Viola baoshanensis
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|a Cyclotides
|2 NLM
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| 650 |
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|a Plant Proteins
|2 NLM
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| 650 |
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|a Cysteine
|2 NLM
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| 650 |
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|a K848JZ4886
|2 NLM
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| 700 |
1 |
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|a Li, Jintian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Huang, Zebo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Bing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Xiaojie
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Dehua
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Craik, David J
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Baker, Alan J M
|e verfasserin
|4 aut
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| 700 |
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|a Shu, Wensheng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liao, Bin
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of plant physiology
|d 1979
|g 178(2015) vom: 15. Apr., Seite 17-26
|w (DE-627)NLM098174622
|x 1618-1328
|7 nnns
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| 773 |
1 |
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|g volume:178
|g year:2015
|g day:15
|g month:04
|g pages:17-26
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| 856 |
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|u http://dx.doi.org/10.1016/j.jplph.2015.01.017
|3 Volltext
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|d 178
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