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A zinc finger protein, interacted with cyclophilin,affects root development via IAA pathway in rice 被引量:4
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作者 Peng Cui Hongbo Liu +5 位作者 Songlin Ruan Basharat Ali Rafaqat Ali Gill huasheng ma Zhifu Zheng Weijun Zhou 《Journal of Integrative Plant Biology》 SCIE CAS CSCD 2017年第7期496-505,共10页
The plant hormone auxin plays a crucial role in lateral root development. To better understand the rnolecular mechanisms underlying lateral root formation, an auxin-responsive gene OsCYP2 (Oso2g0121300) was characte... The plant hormone auxin plays a crucial role in lateral root development. To better understand the rnolecular mechanisms underlying lateral root formation, an auxin-responsive gene OsCYP2 (Oso2g0121300) was characterized from rice. Compared to the wild type, OsCYP2-RNAi (RNA interference) lines exhibited distinctive defects in lateral root development. Yeast two-hybrid and glutathione S-transferase puIl-down results confirmed that OsCYP2 interacted with a C2HC-type zinc finger protein (OsZFP, O501g0252900) which is located in the rice nucleus. T2OsZFP-RNAi lines had significantly fewer lateral roots than did wild-type plants, which suggests a role for OsCYP2 and OsZFP in regulating lateral root development.Quantitative real-time polymerase chain reaction showed that the expression of certain Aux/IAA (auxin/indole-3- acetic acid) genes was altered in OsCYP2- and OsZFP-RNAi lines in response to IAA. These findings imply that OsCYP2 and OsZFP participate in IAA signal pathways controlling lateral root development. More importantly, OslAA11 showed functional redundancy not only in OsCYP2-RNAi lines but also in OsZFP-RNAi lines, which provides important clues for the elucidation of mechanisms controlling lateral root development in response to auxin. 展开更多
关键词 IAA of gene ROOT A zinc finger protein ZFP RNAI with
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Advances in plant proteomics—key techniques of proteome
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作者 Songlin RUAN huasheng ma +4 位作者 Shiheng WANG Ya XIN Lihua QIAN Jianxing TONG Jie WANG 《Frontiers in Biology》 CSCD 2008年第3期245-258,共14页
Following the completion of genome sequencing of model plants,such as rice(Oryza sativa L.)and Arabidopsis thaliana,the era of functional plant genomics has arrived which provides a solid basis for the develop-ment of... Following the completion of genome sequencing of model plants,such as rice(Oryza sativa L.)and Arabidopsis thaliana,the era of functional plant genomics has arrived which provides a solid basis for the develop-ment of plant proteomics.We review the background and concepts of proteomics,as well as the key techniques which include:(1)separation techniques such as 2-DE(two-dimensional electrophoresis),RP-HPLC(reverse phase high performance liquid chromatography)and SELDI(surface enhanced laser desorption/ionization)protein chip;(2)mass spectrometry such as MALDI-TOF-MS(matrix assisted laser desorption/ionization-time of flight-mass spectrometry)and ESI-MS/MS(electrospray ionization mass spectrometry/mass spectrometry);(3)Peptide sequence tags;(4)databases related to proteomics;(5)quantitative proteome;(6)TAP(tandem affinity purification)and(7)yeast two-hybrid system.In addition,the challenges and prospects of pro-teomics are also discussed. 展开更多
关键词 PROTEOME two-dimensional electrophoresis mass spectrometry yeast two-hybrid system databases related to proteome
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