Grain size is a crucial factor influencing both rice yield and appearance quality.In this study,we identified GL6.1 as a gene associated with rice grain size by map-based cloning.The GL6.1 encodes a protein with CC-NB...Grain size is a crucial factor influencing both rice yield and appearance quality.In this study,we identified GL6.1 as a gene associated with rice grain size by map-based cloning.The GL6.1 encodes a protein with CC-NB-LRR domain,a structural motif related to rice disease resistance.Genetic transformation experiments and the construction of gene pyramiding lines indicate that GL6.1 functions as a negative regulatory factor for rice grain length.By the analysis of SSSLs with diverse donor parents,a total of 11 single nucleotide polymorphisms(SNPs)are identified that are closely associated with the phenotype variations.A yeast one-hybrid library screening revealed that GL6.1 interacts with OsWRKY53,a transcription factor associated with rice disease resistance.Furthermore,RNA-seq assay also revealed the involvement of pathways associated with disease resistance,hinting at a multifaceted role for GL6.1 in both yield and stress tolerance traits in rice.These results indicate that the cloning and in-depth studies of GL6.1 would provide valuable insights into the interplay among high yield,superior quality,and stress tolerance,which are critical goals for rice breeding.展开更多
VIN:4JGFF5KEXMA××××××。行驶里程:5625km。故障现象:一辆奔驰GLS450,在事故维修后试车,出现悬架系统故障灯点亮。故障诊断:接车后,着车检查,仪表提示悬架故障信息,如图1所示。使用故障诊断仪P A DV读取...VIN:4JGFF5KEXMA××××××。行驶里程:5625km。故障现象:一辆奔驰GLS450,在事故维修后试车,出现悬架系统故障灯点亮。故障诊断:接车后,着车检查,仪表提示悬架故障信息,如图1所示。使用故障诊断仪P A DV读取系统故障,发现各系统故障码特别多,于是先清除整车故障。清除完故障后,将车辆开出去路试,查看车辆是否还有其他故障现象。路试一圈后,仪表中的信息提示屏多出了一个故障提示信息,如图2所示。展开更多
We revisit the issue of whether the effective potential for the conformal factor of the metric,which is generated by quantized matter fields,possesses a non-vanishing vacuum expectation value(VEV)or not.We prove that ...We revisit the issue of whether the effective potential for the conformal factor of the metric,which is generated by quantized matter fields,possesses a non-vanishing vacuum expectation value(VEV)or not.We prove that the effective potential has a vanishing vacuum expectation value on the basis of a global GL(4)symmetry.We also account for why there seems to be two different effective potentials for the conformal factor in a theory,one of which gives rise to a vanishing VEV for the conformal factor,whereas the other has a non-vanishing VEV.展开更多
基金supported by STI 2030-Major Project(2023ZD04069)the National Natural Science Foundation of China(32472129,U24A20392,32201841)+1 种基金Regional Joint Youth Fund for Basic and Applied Basic Research Foundation of Guangdong Province(2022 A1515110454)Science and Technology Projects in Guangzhou(2023B03J1355).
文摘Grain size is a crucial factor influencing both rice yield and appearance quality.In this study,we identified GL6.1 as a gene associated with rice grain size by map-based cloning.The GL6.1 encodes a protein with CC-NB-LRR domain,a structural motif related to rice disease resistance.Genetic transformation experiments and the construction of gene pyramiding lines indicate that GL6.1 functions as a negative regulatory factor for rice grain length.By the analysis of SSSLs with diverse donor parents,a total of 11 single nucleotide polymorphisms(SNPs)are identified that are closely associated with the phenotype variations.A yeast one-hybrid library screening revealed that GL6.1 interacts with OsWRKY53,a transcription factor associated with rice disease resistance.Furthermore,RNA-seq assay also revealed the involvement of pathways associated with disease resistance,hinting at a multifaceted role for GL6.1 in both yield and stress tolerance traits in rice.These results indicate that the cloning and in-depth studies of GL6.1 would provide valuable insights into the interplay among high yield,superior quality,and stress tolerance,which are critical goals for rice breeding.
文摘VIN:4JGFF5KEXMA××××××。行驶里程:5625km。故障现象:一辆奔驰GLS450,在事故维修后试车,出现悬架系统故障灯点亮。故障诊断:接车后,着车检查,仪表提示悬架故障信息,如图1所示。使用故障诊断仪P A DV读取系统故障,发现各系统故障码特别多,于是先清除整车故障。清除完故障后,将车辆开出去路试,查看车辆是否还有其他故障现象。路试一圈后,仪表中的信息提示屏多出了一个故障提示信息,如图2所示。
基金supported in part by the JSPS Kakenhi under Grant No.21K03539。
文摘We revisit the issue of whether the effective potential for the conformal factor of the metric,which is generated by quantized matter fields,possesses a non-vanishing vacuum expectation value(VEV)or not.We prove that the effective potential has a vanishing vacuum expectation value on the basis of a global GL(4)symmetry.We also account for why there seems to be two different effective potentials for the conformal factor in a theory,one of which gives rise to a vanishing VEV for the conformal factor,whereas the other has a non-vanishing VEV.