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| 1 | Senescence-specific Alteration of Hydrogen Peroxide Levels in Arabidopsis thaliana and Oilseed Rape Spring Variety Brassica napus L.cv.Mozart显示文摘In order to analyze the signaling function of hydrogen peroxide (H2O2) production in senescence in more detail, we manipulated intracellular H2O2 levels in Arabidopsis thaliala (L.) Heynh by using the hydrogen-peroxide-sensitive part of the Escherichia coli transcription regulator OxyR, which was directed to the cytoplasm as well as into the peroxisomes. H2O2 levels were lowered and senescence was delayed in both transgenic lines, but OxyR was found to be more effective in the cytoplasm. To transfer this knowledge to crop plants, we analyzed oilseed rape plants Brassica napus L. cv. Mozart for H2O2 and its scavenging enzymes catalase (CAT) and ascorbate peroxidase (APX) during leaf and plant development. H2O2 levels were found to increase during bolting and flowering time, but no increase could be observed in the very late stages of senescence. With increasing H2O2 levels, CAT and APX activities declined, so it is likely that similar mechanisms are used in oilseed rape and Arabidopsis to control H2O2 levels. Under elevated CO2 conditions, oilseed rape senescence was accelerated and coincided with an earlier increase in H2O2 levels, indicating that H2O2 may be one of the signals to inducing senescence in a broader range of Brassicaceae. | Stefan Bieker Lena Riester Mark Stahl Jürgen Franzaring Ulrike Zentgraf | 2012 | Journal of Integrative Plant Biology2012，54，8： | 3 |
| 2 | Targets with cone-shaped microstructures from various materials for enhanced high-intensity laser-matter interaction显示文摘Targets with microstructured front surfaces have shown great potential in improving high-intensity laser–matter interaction.We present cone-shaped microstructures made out of silicon and titanium created by ultrashort laser pulse processing with different characteristics.In addition,we illustrate a process chain based on moulding to recreate the laser-processed samples out of polydimethylsiloxane,polystyrol and copper.With all described methods,samples of large sizes can be manufactured,therefore allowing time-efficient,cost-reduced and reliable ways to fabricate large quantities of identical targets. | Tina Ebert RenéHeber Torsten Abel Johannes Bieker Gabriel Schaumann and Markus Roth | 2021 | High Power Laser Science and Engineering2021，9，2： | 2 |
| 3 | Increased angiogenesis in the bone marrow of patients with acute myeloid leukemia 显示文摘 | PADRO T RUIZ S BIEKER R | 2000 | Blood2000，95，： | 1 |
| 4 | Increased angiogenesis in the bone marrow of patients with acute myeloid leukemia 显示文摘 | Padro T Ruiz S Bieker R | 2000 | Blood2000，95，： | 1 |
| 5 | Increased angiogenesis in the bone marrow of patients with acute myeloid leukemia 显示文摘 | Padro T Ruiz S Bieker R | 2000 | Blood2000，95，8： | 1 |
| 6 | A novel, erythroid cell - specific murine tran- scription factor that binds to the CACCC element and is related to the Kruppel family of nuclear proteins 显示文摘 | Miller U Bieker JJ | 1993 | Mol Cell BIOl1993，13，： | 1 |
| 7 | Rimximabin combina-tion with platinum-containig chemotherapy in patients with relapsed or primary refractory diffuse large B-cell lymphoma显示文摘 | Kessler T Berdel W E | 2003 | Oncol Rep2003，10，6： | 1 |
| 8 | Kruppel-like factors:three fingers in many pies显示文摘 | Bieker J J | 2001 | J Biol Chem2001，276，34： | 1 |
| 9 | A novel, erythoid cell-specific murine transcription factor that binds to the CACCC element and is related to the Kriippel family of nuclear factors显示文摘 | MILLER I J BIEKER J J | 1993 | Mol Cell Biol1993，13，： | 1 |
| 10 | Real-time production optimi- zation of oil and gas production systems: A technology survey 显示文摘 | Bieker H Slupphaug O Johansen T | 2007 | SPE Production & Operations2007，22，4： | 1 |
| 11 | Stable remission afte radministration of the receptor tyrosine kinase inhibitor SU5416 in a patient with refratory acute myeloid leukemia显示文摘 | Mesters RM Padro T Bieker R | 2001 | Blood2001，98，1： | 1 |
| 12 | Increased angiogenesis in the bone marrow of patients with acute myeloid leukemia显示文摘 | Padro T Ruiz S Bieker R | 2000 | Blood2000，95，8： | 1 |
| 13 | Overexpression of vascular endothelial growth factor (VEGF) and its cellular receptor KDR (VEGFR-2) in the bone marrow of patients with acute myeloicl leukemia 显示文摘 | Padro T Ruiz S Bieker R | 2002 | Leukemia2002，16，7： | 1 |
| 14 | Vascular endothelial growth factor and its receptor as drug targets in hematological malignancies显示文摘 | Kessler T Fehrmann F Bieker R | 2007 | Curr Drug Targets2007，8，3： | 1 |
| 15 | Efficacy and safety of thalidomide in patients with acute myeloid leukemia显示文摘 | Steins MB T Bieker R | 2002 | Blood2002，99，3： | 1 |
| 16 | Infarction of tumor vessels by NGR-peptide-directed targeting of tissue factor: experimental results and first-in-man experience 显示文摘 | Bieker R Kessler T Schwoppe C | 2009 | Blood2009，113，20： | 1 |
| 17 | Overexpression of vascular endothelial growth factor (VEGF) and its cellular receptor KDR(VEGFR-2) in the bone marrow of patients with acute myeloid leukemia显示文摘 | Bieker R Ruiz S | 2002 | Leukemia2002，16，7： | 1 |
| 18 | Over expression of vascu- lar endothelial growth factor (VEGF) and its cellular recep-tor KDR (VEGFR-2) in the bone marrow of patients with acute myeloid leukemia显示文摘 | Padro T Bieker R Ruiz S | 2002 | Leukemia2002，16，7： | 1 |
| 19 | Sustainability management with the Bal- anced Scorecard 显示文摘 | Thomas Bieker | 2003 | Intemational Summer Academy on Technology Studies--Corporate Sustainability2003，，： | 1 |
| 20 | A SWI/SNF-related chromatin remodeling complex, E-RC1, is required for tissue-specific transcriptional regulation by EKLF in vitro显示文摘 | ARMSTRONG J A BIEKER J J EMERSON B M | 1998 | Cell1998，95，： | 1 |
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