Molecular cloning, expression profiles and characterization of a novel translationally controlled tumor protein in rubber tree (Hevea brasiliensis)

Copyright © 2012 Elsevier GmbH. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Journal of plant physiology. - 1979. - 170(2013), 5 vom: 15. März, Seite 497-504
1. Verfasser: Li, Dejun (VerfasserIn)
Weitere Verfasser: Deng, Zhi, Liu, Xianghong, Qin, Bi
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2013
Zugriff auf das übergeordnete Werk:Journal of plant physiology
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Biomarkers, Tumor Calcium-Binding Proteins DNA, Complementary DNA, Superhelical Plant Proteins Recombinant Fusion Proteins TPT1 protein, human Tumor Protein, Translationally-Controlled 1 mehr... Rubber 9006-04-6
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245 1 0 |a Molecular cloning, expression profiles and characterization of a novel translationally controlled tumor protein in rubber tree (Hevea brasiliensis) 
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500 |a Date Revised 10.03.2022 
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520 |a The translationally controlled tumor protein (TCTP) is a multi-functioning protein that carries out vital roles in various life processes. In this study, a new TCTP gene, designated as HbTCTP1, was isolated in Hevea brasiliensis. The full-length complementary DNA (cDNA) of HbTCTP1 contained a maximum open reading frame (ORF) of 507base pair (bp) encoding 168 amino acids. The sequence comparison showed that the deduced HbTCTP1 indicated high identities to plant TCTP proteins, and clustered in the dicot cluster of plant TCTPs. Although HbTCTP1 and human TCTP proteins did not parallel in overall sequence similarity, they indicated highly similar 3D structures with a nearly identical spatial organization of α-helices, β-sheets, and coil regions. Real time reverse-transcription PCR (RT-PCR) analyses showed that HbTCTP1 was expressed throughout different tissues and developmental stages of leaves. Besides being related to tapping panel dryness (TPD), the HbTCTP1 transcripts were regulated by various treatments, including drought, low temperature, high salt, ethrel (ET), wounding, H2O2, and methyl jasmonate (Me-JA) treatments. The recombinant HbTCTP1 fusion protein was shown to protect supercoiled plasmid DNA from damages induced by metal-catalyzed generation of reactive oxygen species. The (45)Ca(2+)-overlay assay showed that HbTCTP1 was a calcium-binding protein. Our results are greatly helpful in understanding the molecular characterization and expression profiles of HbTCTP1, and lay the foundation for further analyzing the function of HbTCTP1 in rubber tree 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 7 |a Biomarkers, Tumor  |2 NLM 
650 7 |a Calcium-Binding Proteins  |2 NLM 
650 7 |a DNA, Complementary  |2 NLM 
650 7 |a DNA, Superhelical  |2 NLM 
650 7 |a Plant Proteins  |2 NLM 
650 7 |a Recombinant Fusion Proteins  |2 NLM 
650 7 |a TPT1 protein, human  |2 NLM 
650 7 |a Tumor Protein, Translationally-Controlled 1  |2 NLM 
650 7 |a Rubber  |2 NLM 
650 7 |a 9006-04-6  |2 NLM 
700 1 |a Deng, Zhi  |e verfasserin  |4 aut 
700 1 |a Liu, Xianghong  |e verfasserin  |4 aut 
700 1 |a Qin, Bi  |e verfasserin  |4 aut 
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