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| 1 | Senescence-Inducible Expression of Isopentenyl Transferase Extends Leaf Life,Increases Drought Stress Resistance and Alters Cytokinin Metabolism in Cassava显示文摘Cassava(Manihot esculenta Crantz) sheds its leaves during growth,especially within the tropical dry season.With the production of SAG12-IPT transgenic cassava we want to test the level of leaf retention and altered cytokinin metabolism of transgenic plants via the autoregulatory senescence inhibition system.After confirmation of transgene expression by molecular analysis and phenotype examination in greenhouse plants,two transgenic plant lines,529-28 and 529-48,were chosen for further investigation.Detached mature leaves of 529-28 plants retained high levels of chlorophyll compared with wild-type leaves after dark-induced senescence treatment.Line 529-28 showed significant drought tolerance as indicated by stay-green capacity after drought stress treatment.Field experiments proved that leaf senescence syndrome was significantly delayed in 529-28 plants in comparison with wild-type and 529-48 plants.Physiological and agronomical characterizations of these plants also revealed that the induced expression of IPT had effects on photosynthesis,sugar allocation and nitrogen partitioning.Importantly,the 529-28 plants accumulated a high level of trans-zeatin-type cytokinins particularly of corresponding storage O-glucosides to maintain cytokinin homeostasis.Our study proves the feasibility of prolonging the leaf life of woody cassava and also sheds light on the control of cytokinin homeostasis in cassava leaves. | Peng Zhang Wen-Quan Wang Gen-Liang Zhang Miroslav Kaminek Petre Dobrev Jia Xu Wilhelm Gruissem | 2010 | Journal of Integrative Plant Biology2010，52，7： | 18 |
| 2 | Mechanisms of Atrial Tachyarrhythmias Associated With Coronary Artery Occlusion in a Chronic Canine Model显示文摘 | Kunihiro Nishida Xiao Yan Qi Reza Wakili Philippe Comtois Denis Chartier Masahide Harada Yu-ki Iwasaki Philippe Romeo Ange Maguy Dobromir Dobrev Georghia Michael Mario Talajic Stanley Nattel | 2011 | Circulation2011，，2： | 2 |
| 3 | Atrial remodeling and atrial fibrillation mechanisms and implications显示文摘 | Nattel S Burstein B Dobrev D | 2008 | Circ Arrhythm Electrophysiol2008，1，： | 1 |
| 4 | Single - Crystalline Copper Nanowires Produced by Electrochemical Deposition in Polymeric Ion Track Membranes 显示文摘 | M E T Molares V Buschmann D Dobrev | 2001 | Adv Mater2001，13，： | 1 |
| 5 | Introduction:Ecology versus strategy or strategy and ecology 显示文摘 | Stanislav D Dobrev Joel A C Baum | 2006 | Advances in Strategic Management2006，23，： | 1 |
| 6 | Response of Arabidop-sis thaliana to N-hexanoyl-DL-homosefine-lactone, a bacterial quorum sensing molecule produced in the rhizosphere 显示文摘 | Von Rad U Klein I Dobrev P I | 2008 | Planta2008，229，1： | 1 |
| 7 | Influence of temperature and current density on oxygen overpotential and corrosion rate of Pb - Co304, Pb-Ca-Sn, and Pb-Sb anodes for copper electrowinning: Part I显示文摘 | Hrussanova A Mirkova L Dobrev T | 2004 | Hydrometallurgy2004，72，34： | 1 |
| 8 | Two-electrode telemetric instrument for infant heart rate and apnea monitoring显示文摘 | Daskalov I | 1998 | Med Eng Phys1998，，20： | 1 |
| 9 | Copper nanowires electrodeposited in etched single-ion track templates显示文摘 | ENCULESCU I SIWY Z DOBREV D | 2003 | Appl Phys A2003，77，： | 1 |
| 10 | Response of Arabi- dopsis thaliana to N-hexanoyl-DL-homoserine lactone, a bacterial quorum sensing molecule produced in the rhizospher 显示文摘 | VON RAD U KLEIN I DOBREV P I | 2008 | Plan- ta2008，229，： | 1 |
| 11 | Human inward rectifier potassium channels in chronic and postoperative atrial fibrillation显示文摘 | Dobrev D Wettwer E Kortner A | 2002 | Cardiovasc Res2002，54，： | 1 |
| 12 | Vascular large conductance calciumactivated potassium channels:functional role and therapeutic potential显示文摘 | Eichhorn B Dobrev D | | 0，，： | 1 |
| 13 | Atrial remodeling and atrial fibrillation: mechanisms and implications 显示文摘 | NatteI S Burstein B Dobrev D | 2008 | Cite Arrhythto Electrophysio12008，1，1： | 1 |
| 14 | Calmodulin kinase II, sarcoplasmic reticulum Ca2~ leak, and atrial fibrillation 显示文摘 | DOBREV D WEHRENS X H | 2010 | Trends Cardiovasc Med2010，20，1： | 1 |
| 15 | Potentiodynamic and electron microscopy investigations of lead - cobalt alloy coated lead composite an- odes for zinc electro -winning显示文摘 | Stefanov Y Dobrev T | 2005 | Transactions of the Institute of Metal Finishing2005，83，6： | 1 |
| 16 | The G protein-gated potassium current 1(K,ACh) is constitutively active in patients with chronic atrial fibrillation显示文摘 | Dobrev D Friedrich A Voigt N | 2005 | Circulation2005，112，： | 1 |
| 17 | Animal models for atrial fibrillation : clinical insights and scientific opportunities 显示文摘 | Nishida K Michael G Dobrev D | 2010 | Europace2010，12，2： | 1 |
| 18 | Purification and determination of plant hor mones auxin and abscisic acid using solid phase extraction and two dimensional high performance liquid chromatogra phy显示文摘 | Dobrev PI | 2005 | Journal of Chromatography A2005，1075，15： | 1 |
| 19 | The clinical profile and pathophysiology of atrial fibrillation:relationships among clinical features,epidemiology,and mechanisms显示文摘 | Andrade J Khairy P Dobrev D | 2014 | Circ Res2014，114，9： | 1 |
| 20 | Molecular basis of down regulation of G-Protein-Coupled inward rectifying K^+ current in chronic human atrial fibrillation显示文摘 | Dobrev D Graf E Wettwer E | 2001 | Circulation2001，104，： | 1 |
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