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27 results on '"FU, Bin-ying"'

3. Flutter Analysis of Long-Span Suspension Bridges Considering Yaw Wind and Aerostatic Effects

Author

Xin-Jun Zhang, Lei-Lei Sun, and Fu-Bin Ying

Subjects
Long span, Materials science, business.industry, Applied Mathematics, Mechanical Engineering, Skew, Aerospace Engineering, Ocean Engineering, Building and Construction, Structural engineering, Aerodynamic force, Flutter, Suspension (vehicle), business, Civil and Structural Engineering
Abstract

Based on the aerostatic and self-excited aerodynamic force models, a computational approach of three-dimensional (3D) refined flutter analysis for long-span bridges under skew winds is established, in which the structural nonlinearity, aerostatic effect and full-mode coupling effect, etc., are fully considered, and the computational procedure ([Formula: see text] flutter-sw) is developed accordingly. By taking the Runyang Suspension Bridge over the Yangtze river as an example, under the wind attack with initial angles of 0∘ and [Formula: see text] and yaw angles between 0∘ and 25∘, the flutter stability of the bridge in completion under skew winds is analyzed, and the influences of skew wind and aerostatic effect on the flutter stability of suspension bridges are assessed. The results show that the aerostatic effect has a significant influence on the flutter stability of long-span suspension bridge, and it may worsen its flutter stability, with an average decrease of 6.0%. However, it does not change the evolution of flutter stability of suspension bridge with increasing wind yaw angle. The critical flutter wind speed fluctuates with the increase of wind yaw angle, and it reaches the lowest value mostly under the skew wind, with an average reduction of 8.0%. The combined influence of the aerostatic effect and skew wind further reduces the flutter critical wind speed by 11.5% on average, and therefore, the aerostatic effect, skew wind effect and their adverse influences need to be comprehensively considered in the flutter analysis of long-span suspension bridges.

Published
2021

9. Towards a deeper haplotype mining of complex traits in rice with RFGB v2.0

Author

Wang, Chun‐Chao, primary, Yu, Hong, additional, Huang, Ji, additional, Wang, Wen‐Sheng, additional, Faruquee, Muhiuddin, additional, Zhang, Fan, additional, Zhao, Xiu‐Qin, additional, Fu, Bin‐Ying, additional, Chen, Kai, additional, Zhang, Hong‐Liang, additional, Tai, Shuai‐Shuai, additional, Wei, Chaochun, additional, McNally, Kenneth L., additional, Alexandrov, Nickolai, additional, Gao, Xiu‐Ying, additional, Li, Jiayang, additional, Li, Zhi‐Kang, additional, Xu, Jian‐Long, additional, and Zheng, Tian‐Qing, additional

Published
2019
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10. Genome-wide gene responses in a transgenic rice line carrying the maize resistance gene Rxo1 to the rice bacterial streak pathogen, Xanthomonas oryzae pv. oryzicola

Author

Fu Bin-Ying, Zhu Ling-Hua, Xie Xue-Wen, Zhao Ming-Fu, Xu Mei-Rong, Zhou Yong-Li, and Li Zhi-Kang

Subjects
Biotechnology, TP248.13-248.65, Genetics, QH426-470
Abstract

Abstract Background Non-host resistance in rice to its bacterial pathogen, Xanthomonas oryzae pv. oryzicola (Xoc), mediated by a maize NBS-LRR type R gene, Rxo1 shows a typical hypersensitive reaction (HR) phenotype, but the molecular mechanism(s) underlying this type of non-host resistance remain largely unknown. Results A microarray experiment was performed to reveal the molecular mechanisms underlying HR of rice to Xoc mediated by Rxo1 using a pair of transgenic and non-transgenic rice lines. Our results indicated that Rxo1 appeared to function in the very early step of the interaction between rice and Xoc, and could specifically activate large numbers of genes involved in signaling pathways leading to HR and some basal defensive pathways such as SA and ET pathways. In the former case, Rxo1 appeared to differ from the typical host R genes in that it could lead to HR without activating NDR1. In the latter cases, Rxo1 was able to induce a unique group of WRKY TF genes and a large set of genes encoding PPR and RRM proteins that share the same G-box in their promoter regions with possible functions in post-transcriptional regulation. Conclusions In conclusion, Rxo1, like most host R genes, was able to trigger HR against Xoc in the heterologous rice plants by activating multiple defensive pathways related to HR, providing useful information on the evolution of plant resistance genes. Maize non-host resistance gene Rxo1 could trigger the pathogen-specific HR in heterologous rice, and ultimately leading to a localized programmed cell death which exhibits the characteristics consistent with those mediated by host resistance genes, but a number of genes encoding pentatricopeptide repeat and RNA recognition motif protein were found specifically up-regulated in the Rxo1 mediated disease resistance. These results add to our understanding the evolution of plant resistance genes.

Published
2010
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11. Different patterns of gene expression in rice varieties undergoing a resistant or susceptible interaction with the bacterial leaf streak pathogen

Author

Xu Mei Rong, M Vera Cruz Casiana, Fu Bin Ying, Zhu Ling Hua, Zhou Yong Li, and Li Zhi Kang

Subjects
Hypersensitive response, Genetics, Transgene, Rice bacterial leaf streak, nonhost resistance, expression profile, Rxo1, Wild type, food and beverages, Biology, biology.organism_classification, Applied Microbiology and Biotechnology, Genetically modified rice, Microbiology, Xanthomonas oryzae, Gene expression, Agronomy and Crop Science, Molecular Biology, Gene, Bacterial leaf streak, Biotechnology
Abstract

The rice line carrying the nonhost gene Rxo1, which was cloned from maize, exhibits a rapid hypersensitive response (HR) to Xanthomonas oryzae pv. oryzicola (Xoc). In this study, a microarray experiment was carried out to analyze the genome-wide gene expression responses to Xoc at the early stage in the rice transgenic line and its wild type. 175 and 379 differentially regulated genes (DRGs) were detected in 9804-Rxo1 and 9804 at 36 h post-inoculation (hpi), respectively. The patterns of DRGs induced by Xoc in the transgenic rice line and its wild type were distinctly different: 92.00% of the DRGs were up-regulated in inoculated 9804-Rxo1 and 48.22% of the DRGs were sorted as defense-related genes. In contrast, 40.69% of the DRGs were up-regulated in inoculated 9804 and 40.00% were sorted as injury-induced genes. Some genes specifically up-regulated in infected 9804-Rxo1 were defenserelated, including the genes encoding pathogenesis-related protein, terpene synthase family, transcription factors (TFs) AP2 domain containing protein, myb-like deoxyribonucleic acid (DNA)- binding domain containing protein, and C 2 H 2 -type zinc-finger transcription factors. Six peroxidase (POD) genes were significantly up-regulated and POD activity consistently rose in the inoculated 9804- Rxo1, whereas seven POD genes were down-regulated in its wild type, indicating that POD may also play a role in the complex process of resistant response to Xoc in the transgenic line. Instead of focusing only on the R-gene-mediated defense, this study also discusses the susceptible response in the wild types to virulent pathogen infection in transcription level. Key words: Rice bacterial leaf streak, nonhost resistance, expression profile, Rxo1.

Published
2011

13. Towards a deeper haplotype mining of complex traits in rice with RFGB v2.0.

Author

Wang, Chun‐Chao, Yu, Hong, Huang, Ji, Wang, Wen‐Sheng, Faruquee, Muhiuddin, Zhang, Fan, Zhao, Xiu‐Qin, Fu, Bin‐Ying, Chen, Kai, Zhang, Hong‐Liang, Tai, Shuai‐Shuai, Wei, Chaochun, McNally, Kenneth L., Alexandrov, Nickolai, Gao, Xiu‐Ying, Li, Jiayang, Li, Zhi‐Kang, Xu, Jian‐Long, and Zheng, Tian‐Qing

Subjects
DEVELOPMENTAL genetics, RICE, HAPLOTYPES, FUNCTIONAL genomics, DEVELOPMENTAL biology, RICE breeding
Published
2020
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