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3篇 您的检索式:作者名="Fazhan Qiu"
    题名 作者 年代 出处 被引量
1Genome-wide Association Analysis of Ten Chilling Tolerance Indices at the Germination and Seedling Stages in Maize显示文摘玉米幼苗对很敏感寒心,特别在转变阶段从期间对自造营养物质的生长不是自养。寒心的忍耐的基因基础的基因解剖将为玉米 inbreds 的基因改进提供有用信息。在这研究,染色体宽的协会分析被进行探索在种子萌芽和幼苗的寒心的忍耐与 125 inbreds 的一块协会面板上演的玉米的基因体系结构。十个忍耐索引( 10 萌芽率和幼苗的表演的比率在寒心的应力和控制条件下面的生长相关的特点)被调查估计与寒心的忍耐联系的 43 单个核苷酸多型性的 inbreds ,和一个总数的寒心的忍耐的能力被检测,与没有,他们,与在萌芽和幼苗的寒心的忍耐有关同时上演。关联分析也表明在种子萌芽阶段的寒心的忍耐的基因基础在幼苗阶段与那通常不同。另外,包含 43 单个核苷酸多型性中的 31 个的 40 候选人基因的一个总数根据他们的功能被预言,并且被组织进五个范畴。在寒心的忍耐的这些候选人基因的可能的角色也被讨论。Juan Huang Jianhua Zhang Wenzhen Li Wei Hu Lichao Duan Yang Feng Fazhan Qiu Bing Yue 2013Journal of Integrative Plant Biology2013,55,8:12
2ZmSRL5 is involved in drought tolerance by maintaining cuticular wax structure in maize显示文摘Cuticular wax is a natural barrier on terrestrial plant organs,which protects plants from damages caused by a variety of stresses.Here,we report the identification and functional characterization of a cuticular-wax-related gene,Zea mays L.SEMI-ROLLED LEAF 5(ZmSRL5).The loss-of-function mutant srl5,which was created by a 3,745 bp in-sertion in the first intron that led to the premature tran-script,exhibited abnormal wax crystal morphology and distribution,which,in turn,caused the pleiotropic pheno-types including increased chlorophyll leaching and water loss rate,decreased leaf temperature,sensitivity to drought,as well as semi-rolled mature leaves.However,total wax amounts showed no significant difference between wild type and semi-rolled leaf5(srl5)mutant.The phenotype of srl5 was confirmed through the generation of two allelic mutants using CRISPR/Cas9.ZmSRL5 encodes a CASPARIAN-STRIP-MEMBRANE-DOMAIN-LIKE(CASPL)protein located in plasma membrane,and highly expressed in developing leaves.Further analysis showed that the expressions of the most wax related genes were not affected or slightly al-tered in srl5.This study,thus,primarily uncovers that ZmSRL5 is required for the structure formation of the cu-ticular wax and could increase the drought tolerance by maintaining the proper cuticular wax structure in maize.Zhenyuan Pan Min Liu Hailiang Zhao Zengdong Tan Kun Liang Qin Sun Dianming Gong Haijun He Wenqi Zhou Fazhan Qiu 2020Journal of Integrative Plant Biology2020,62,12:5
3Starch phosphorylase 2 is essential for cellular carbohydrate partitioning in maize显示文摘Carbohydrate partitioning is essential for plant growth and development,and its hindrance will result in excess accumulation of carbohydrates in source tissues.Most of the related mutants in maize(Zea mays L.)display impaired whole-plant sucrose transport,but other mechanisms affecting carbohydrate partitioning have seldom been reported.Here,we characterized chlorotic leaf3(chl3),a recessive mutation causing leaf chlorosis with starch accumulation excessively in bundle sheath chloroplasts,suggesting that chl3 is defective in carbohydrate partitioning.Positional cloning revealed that the chl3 phenotype results from a frameshift mutation in ZmPHOH,which encodes starch phosphorylase 2.Two mutants in ZmPHOH exhibited the same phenotype as chl3,and both alleles failed to complement the chl3 mutant phenotype in an allelism test.Inactivation of Zm PHOH in chl3 leaves reduced the efficiency of transitory starch conversion,resulting in increased leaf starch contents and altered carbohydrate metabolism patterns.RNA-seq revealed the transcriptional downregulation of genes related to photosynthesis and carbohydrate metabolism in chl3 leaves compared to the wild type.Our results demonstrate that transitory starch remobilization is very important for cellular carbohydrate partitioning in maize,in which Zm PHOH plays an indispensable role.Yao Qin Ziyi Xiao Hailiang Zhao Jing Wang Yuanru Wang Fazhan Qiu 2022Journal of Integrative Plant Biology2022,64,9:1
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