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| 1 | Development and identification of two novel wheat-rye 6R derivative lines with adult-plant resistance to powdery mildew and high-yielding potential显示文摘Powdery mildew,caused by Blumeria graminis f.sp.tritici(Bgt),is a devastating disease that seriously threatens wheat yield and quality.To control this disease,host resistance is the most effective measure.Compared with the resistance genes from common wheat,alien resistance genes can better withstand infection of this highly variable pathogen.Development of elite alien germplasm resources with powdery mildew resistance and other key breeding traits is an attractive strategy in wheat breeding.In this study,three wheat-rye germplasm lines YT4-1,YT4-2,and YT4-3 were developed through hybridization between octoploid triticale and common wheat,out of which the lines YT4-1 and YT4-2 conferred adult-plant resistance(APR)to powdery mildew while the line YT4-3 was susceptible to powdery mildew during all of its growth stages.Using genomic in situ hybridization,multi-color fluorescence in situ hybridization,multi-color GISH,and molecular marker analysis,YT4-1,YT4-2,and YT4-3 were shown to be cytogenetically stable wheat-rye 6R addition and T1RS.1BL translocation line,6RL ditelosomic addition and T1RS.1BL translocation line,and T1RS.1BL translocation line,respectively.Compared with previously reported wheat-rye derivative lines carrying chromosome 6R,YT4-1 and YT4-2 showed stable APR without undesirable pleiotropic effects on agronomic traits.Therefore,these novel wheat-rye 6R derivative lines are expected to be promising bridge resources in wheat disease breeding. | Guohao Han Jing Wang Hanwen Yan Tiantian Gu Lijun Cao Shiyu Liu Xiuquan Li Yilin Zhou Jieru Fan Zhipeng Shi Hong Liu Lihui Li Diaoguo An | 2024 | The Crop Journal2024，12，1： | 0 |
| 2 | Time-varying road network design for urban hazmat transportation显示文摘Hazmat transportation in cities faces significant risks that may cause catastrophic losses to humans.From the perspective of the regulator,the main responsibility is to mitigate hazmat transport risk by determining the availability of road networks to hazmat carriers.Based on the time-variant population distribution,the hazmat transport risk was assessed via the total population exposure associated with the resident and variable populations at different times.We propose a risk-minimizing urban hazmat road network design model for multiple types of hazmats,considering time-varying traffic.The model was applied to a realistic case study of hazmat transportation in a densely populated urban area with complex traffic in Shanghai,China. | Jingyi Chen Qiuchen Gu Hanwen Yu Wei Zhou Tijun Fan | 2023 | Journal of Management Science and Engineering2023，8，4： | 0 |
| 3 | Robust Carbonated Structural Color Barcodes with Ultralow Ontology Fluorescence as Biomimic Culture Platform显示文摘Photonic crystal(PC)barcodes are a new type of spectrum-encoding microcarriers used in multiplex high-throughput bioassays,such as broad analysis of biomarkers for clinical diagnosis,gene expression,and cell culture.Unfortunately,most of these existing PC barcodes suffered from undesired features,including difficult spectrum-signal acquisition,weak mechanical strength,and high ontology fluorescence,which limited their development to real applications.To address these limitations,we report a new type of structural color-encoded PC barcodes.The barcodes are fabricated by the assembly of monodisperse polydopamine-(PDA-)coated silica(PDA@SiO_(2))nanoparticles using a droplet-based microfluidic technique and followed by pyrolysis of PDA@SiO_(2)(C@SiO_(2))barcodes.Because of the templated carbonization of adhesive PDA,the prepared C@SiO_(2)PC beads were endowed with simultaneous easy-to-identify structural color,high mechanical strength,and ultralow ontology fluorescence.We demonstrated that the structural colored C@SiO_(2)barcodes not only maintained a high structural stability and good biocompatibility during the coculturing with fibroblasts and tumor cells capture but also achieved an enhanced fluorescentreading signal-to-noise ratio in the fluorescence-reading detection.These features make the C@SiO_(2)PC barcodes versatile for expansive application in fluorescence-reading-based multibioassays. | Panmiao Liu Zhongde Mu Muhuo Ji Xiaojiang Liu Hanwen Gu Yi Peng Jianjun Yang Zhuoying Xie Fuyin Zheng | 2021 | Research2021，，1： | 0 |
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