3篇
您的检索式：作者名="Chaofeng Zeng"
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| 1 | Buckling-delamination and cracking of thin titanium films under compression: Experimental and numerical studies显示文摘 | Xiuli Xue Shibin Wang Chaofeng Zeng Haili Bai Linan Li Zhiyong Wang | 2014 | Surface & Coatings Technology2014，，： | 1 |
| 2 | Roles of DEMETER in regulating DNA methylation in vegetative tissues and pathogen resistance显示文摘DNA methylation is an epigenetic mark important for genome stability and gene expression.In Arabidopsis thaliana,the 5-methylcytosine DNA glycosylase/demethylase DEMETER(DME)controls active DNA demethylation during the reproductive stage;however,the lethality of loss-of-function dme mutations has made it difficult to assess DME function in vegetative tissues.Here,we edited DME using clustered regularly interspaced short palindromic repeats(CRISPR)/CRISPR-associated protein 9 and created three weak dme mutants that produced a few viable seeds.We also performed central cell-specific complementation in a strong dme mutant and combined this line with mutations in the other three Arabidopsis demethylase genes to generate the dme ros1 dml2 dml3(drdd)quadruple mutant.A DNA methylome analysis showed that DME is required for DNA demethylation at hundreds of genomic regions in vegetative tissues.A transcriptome analysis of the drdd mutant revealed that DME and the other three demethylases are important for plant responses to biotic and abiotic stresses in vegetative tissues.Despite the limited role of DME in regulating DNA methylation in vegetative tissues,the dme mutants showed increased susceptibility to bacterial and fungal pathogens.Our study highlights the important functions of DME in vegetative tissues and provides valuable genetic tools for future investigations of DNA demethylation in plants. | Wenjie Zeng Huan Huang Xueqiang Lin Chen Zhu Ken-ichi Kosami Chaofeng Huang Huiming Zhang Cheng-Guo Duan Jian-Kang Zhu Daisuke Miki | 2021 | Journal of Integrative Plant Biology2021，63，4： | 0 |
| 3 | Estimation of hydraulic parameters from pumping tests in a multiaquifer system显示文摘The hydrogeologic conditions in Tianjin,China,are characterized by a system of multiple alternating aquifers and aquitards and a high groundwater level.Generally,the groundwater system to a depth of 70 m includes one phreatic aquifer and three semiconfined aquifers(AqI–AqIII).The distribution of aquifers varies greatly.Accurate estimates of aquifer parameters from pumping tests are essential in geotechnical engineering practice.In this study,the applicability of different models for estimating hydraulic parameters in a multiaquifer system is analyzed.To avoid errors in the graphic-analytical process and to enhance the efficiency and accuracy,a hybrid algorithm,called GALMA(a genetic algorithm(GA)combined with the Levenberg–Marquardt(LM)algorithm),is used with the Neuman and Witherspoon model and ratio method.The estimated values in the second and third semiconfined aquifers(AqII and AqIII)from various solutions are compared with the measured data.Further validations based on the prediction of the drawdown values are performed via a three dimensional numerical simulation. | Da Ha Gang Zheng Haizuo Zhou Chaofeng Zeng Huihui Zhang | 2020 | Underground Space2020，5，3： | 0 |
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