基本信息
田志喜  男  博导  中国科学院遗传与发育生物学研究所
email: zxtian@genetics.ac.cn
address: 北京市朝阳区北辰西路1号院2号
postalCode: 100101

招生信息

   
招生专业
071007-遗传学
086000-生物与医药
招生方向
大豆功能基因组
植物功能基因组学
植物分子遗传学

教育背景

2003-09--2007-07   中国科学院遗传与发育生物学研究所   博士
1997-09--2000-07   河北农业大学   硕士
1993-09--1997-07   河北农业大学   本科

工作经历

   
工作简历
2011-04~现在, 中国科学院遗传与发育生物学研究所, 中科院****,研究员
2010-09~2011-04,美国普渡大学, 研究遗传学家
2007-09~2010-09,美国普渡大学, 博士后
2003-09~2007-07,中国科学院遗传与发育生物学研究所, 博士
2001-03~2001-11,国家自然科学基金委, 借聘专家
2000-07~2003-09,河北农业大学, 讲师
1997-09~2000-07,河北农业大学, 硕士
1993-09~1997-07,河北农业大学, 本科
社会兼职
2023-10-01-今,作物学会大豆专业委员会, 副会长
2023-01-01-今,北京市第十届农作物品种审定委员会, 主任
2022-12-01-今,SCIENCE CHINA Life Sciences, 副主编
2019-08-01-今,PLOS GENETICS, Associate Editor
2014-10-12-今,作物学报, 编委
2014-10-12-今,The Crop Journal, 编委
2014-01-01-今,PLoS ONE, 编委
2013-07-01-今,Frontiers in Plant Genetics and Genomics, 编委

教授课程

分子设计育种

专利与奖励

   
奖励信息
(1) 科苑名匠, 院级, 2023
(2) 中欧大豆哈伯兰德奖, 一等奖, 其他, 2022
(3) 科学探索奖, 其他, 2021
(4) 谈家桢生命科学创新奖, , 其他, 2020
(5) 第三批国家“万人计划”领军人才, 国家级, 2017
(6) 中青年科技创新领军人才, 国家级, 2017
(7) 第十四届“中国青年科技奖”, 国家级, 2016
(8) 国家自然科学杰出青年基金, 国家级, 2015
(9) 国家自然科学优秀青年基金, 国家级, 2012
(10) 青年科学之星 金奖, , 其他, 2012
专利成果
( 1 ) 绿色木霉高温胁迫响应关键酶基因TvHSP70、重组表达载体、工程菌及其应用, 2022, 第 5 作者, 专利号: CN114107327A

( 2 ) 调控大豆籽粒大小基因的克隆及应用, 2021, 第 1 作者, 专利号: CN113512551A

( 3 ) 一种在盐碱地栽培大豆的方法, 2020, 第 1 作者, 专利号: CN110663489A

( 4 ) 植物种子休眠相关蛋白及其编码基因和应用, 2019, 第 1 作者, 专利号: CN109422802A

( 5 ) 一种高产大豆新品系的分子育种方法, 2018, 第 2 作者, 专利号: CN108260522A

( 6 ) 与异黄酮类物质合成及光合作用相关的基因及分子标记, 2016, 第 1 作者, 专利号: CN106048045A

( 7 ) 生物表型数据采集系统, 2014, 第 1 作者, 专利号: CN104091095A

( 8 ) 植物滞绿相关蛋白及其编码基因和应用, 2013, 第 1 作者, 专利号: CN103408647A

( 9 ) 用于辅助鉴定具有滞绿表型的大豆的特异引物对及其应用, 2013, 第 1 作者, 专利号: CN103275973A

( 10 ) GmD2IN转座子及其应用, 2013, 第 1 作者, 专利号: CN103233016A

( 11 ) 水稻稻米糊化温度调控基因分子标记及其应用, 2010, 第 4 作者, 专利号: CN101880722A

( 12 ) 水稻稻米胶稠度调控基因分子标记及其应用, 2010, 第 4 作者, 专利号: CN101880723A

( 13 ) 水稻稻米直链淀粉含量调控基因分子标记及其应用, 2010, 第 4 作者, 专利号: CN101880724A

( 14 ) 水稻胚乳直链淀粉含量控制基因DU1及其应用, 2007, 第 4 作者, 专利号: CN1908171A

出版信息

   
发表论文
(1) Toward cis-regulation in soybean: a 3D genome scope, Molecular Breed, 2023, 第 1 作者
(2) Pan-3D genome analysis reveals structural and functional differentiation of soybean genomes, GENOME BIOLOGY, 2023, 通讯作者
(3) Temperature driven antagonistic fate determination by two bHLH transcription factors:dormancy or germination, Temperature driven antagonistic fate determination by two bHLH transcription factors:dormancy or germination, 中国科学:生命科学英文版, 2023, 第 2 作者
(4) Pan-centromere reveals widespread centromere repositioning of soybean genomes, Proceedings of the National Academy of Sciences of the United States of America, 2023, 
(5) SoyOmics: A deeply integrated database on soybean multi-omics, MOLECULAR PLANT, 2023, 通讯作者
(6) Natural allelic diversities of GmPrx16 confer drought tolerance in soybean, Plant Biotechnology Journal, 2023, 第 1 作者
(7) Global dissection of the recombination landscape in soybean using a high-density 600K SoySNP array, PLANT BIOTECHNOLOGY JOURNAL, 2023, 通讯作者
(8) Genome-wide scan for oil quality reveals a coregulation mechanism of tocopherols and fatty acids in soybean seeds, PLANT COMMUNICATIONS, 2023, 第 8 作者
(9) Natural allelic variation of GmST05 controlling seed size and quality in soybean, PLANT BIOTECHNOLOGY JOURNAL, 2022, 通讯作者
(10) GenoBaits Soy40K:a highly flexible and low-cost SNP array for soybean studies, GenoBaits Soy40K: a highly flexible and low-cost SNP array for soybean studies, SCIENCE CHINA-LIFE SCIENCES, 2022, 通讯作者
(11) Super graph-based pan-genome: Bringing rice functional genomic study into a new dawn, Super graph-based pan-genome: Bringing rice functional genomic study into a new dawn, MOLECULAR PLANT, 2022, 通讯作者
(12) Progress in soybean functional genomics over the past decade, PLANT BIOTECHNOLOGY JOURNAL, 2022, 通讯作者
(13) Global dissection of the recombination landscape in soybean using a high-density 600K SoySNP array, Plant Biotechnology Journal, 2022, 通讯作者
(14) Convergent selection of a gene in cereals leads to grain yield upgradation, Convergent selection of a gene in cereals leads to grain yield upgradation, SCIENCE CHINA-LIFE SCIENCES, 2022, 通讯作者
(15) Natural variation of Dt2 determines branching in soybean, Nature Communications, 2022, 第 1 作者
(16) Omics-based interdisciplinarity is accelerating plant breeding, CURRENT OPINION IN PLANT BIOLOGY, 2022, 通讯作者
(17) QNE1 is a key flowering regulator determining the length of the vegetative period in soybean cultivars, QNE1 is a key flowering regulator determining the length of the vegetative period in soybean cultivars, SCIENCE CHINA-LIFE SCIENCES, 2022, 通讯作者
(18) FED:a web tool for foreign element detection of genome-edited organism, FED: a web tool for foreign element detection of genome-edited organism, SCIENCE CHINA-LIFE SCIENCES, 2021, 第 6 作者
(19) Designing future crops: challenges and strategies for sustainable agriculture, PLANT JOURNAL, 2021, 第 1 作者
(20) 分子设计育种的科技问题及其展望概论, Progress and perspective of molecular design breeding, 中国科学:生命科学, 2021, 第 2 作者
(21) A route to de novo domestication of wild allotetraploid rice, CELL, 2021, 第 18 作者
(22) Fine mapping QTL and mining genes for protein content in soybean by the combination of linkage and association analysis, THEORETICAL AND APPLIED GENETICS, 2021, 第 13 作者
(23) The antagonistic MYB paralogs RH1 and RH2 govern anthocyanin leaf markings in Medicago truncatula, NEW PHYTOLOGIST, 2021, 第11作者
(24) Identification of QTNs Controlling 100-Seed Weight in Soybean Using Multilocus Genome-Wide Association Studies, FRONTIERS IN GENETICS, 2020, 第 13 作者
(25) Linkage Analysis and Multi-Locus Genome-Wide Association Studies Identify QTNs Controlling Soybean Plant Height, FRONTIERS IN PLANT SCIENCE, 2020, 第 5 作者
(26) Simultaneous changes in seed size, oil content and protein content driven by selection of SWEET homologues during soybean domestication, NATIONAL SCIENCE REVIEW, 2020, 通讯作者
(27) Toward a "Green Revolution" for Soybean, Toward a "Green Revolution" for Soybean, MOLECULAR PLANT, 2020, 通讯作者
(28) De novo assembly of a wild pear (Pyrus betuleafolia) genome, PLANT BIOTECHNOLOGY JOURNAL, 2020, 通讯作者
(29) Mutation of YL Results in a Yellow Leaf with Chloroplast RNA Editing Defect in Soybean, INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES, 2020, 第 7 作者
(30) 新疆地区发展大豆生产的可行性和初步建议, The Feasibility and Recommendation for Improving Soybean Production in Xinjiang, 植物学报, 2020, 第 3 作者
(31) A Pd1-Ps-P1 Feedback Loop Controls Pubescence Density in Soybean, A Pd1–Ps–P1 Feedback Loop Controls Pubescence Density in Soybean, MOLECULAR PLANT, 2020, 通讯作者
(32) Identification of QTL and genes for pod number in soybean by linkage analysis and genome-wide association studies, MOLECULAR BREEDING, 2020, 第 14 作者
(33) Pan-Genome of Wild and Cultivated Soybeans, CELL, 2020, 通讯作者
(34) Stepwise selection on homeologous PRR genes controlling flowering and maturity during soybean domestication, NATURE GENETICS, 2020, 通讯作者
(35) From one linear genome to a graph-based pan-genome: a new era for genomics, From one linear genome to a graph-based pan-genome: a new era for genomics, SCIENCE CHINA-LIFE SCIENCES, 2020, 通讯作者
(36) Quantitative Trait Locus Analysis of Protein and Oil Content in Response to Planting Density in Soybean ( Glycine max L. Merri.) Seeds Based on SNP Linkage Mapping, FRONTIERS IN GENETICS, 2020, 第 13 作者
(37) The Genomics of Oryza Species Provides Insights into Rice Domestication and Heterosis, ANNUAL REVIEW OF PLANT BIOLOGY, VOL 70, 2019, 第 3 作者
(38) Update soybean Zhonghuang 13 genome to a golden reference, SCIENCE CHINA-LIFE SCIENCES, 2019, 通讯作者
(39) Decrease of gene expression diversity during domestication of animals and plants, BMC EVOLUTIONARY BIOLOGY, 2019, 通讯作者
(40) Update soybean Zhonghuang 13 genome to a golden reference, Update soybean Zhonghuang 13 genome to a golden reference, 中国科学:生命科学英文版, 2019, 通讯作者
(41) Control of grain size and weight by the OsMKKK10-OsMKK4-OsMAPK6 signaling pathway in rice, MOLECULAR PLANT, 2018, 第 13 作者
(42) De novo assembly of a Chinese soybean genome, De novo assembly of a Chinese soybean genome, SCIENCE CHINA-LIFE SCIENCES, 2018, 通讯作者
(43) Control of Grain Size and Weight by the OsMKKK10-OsM KK4-OsMAPK6 Signaling Pathway in Rice, Control of Grain Size and Weight by the OsMKKK10-OsM KK4-OsMAPK6 Signaling Pathway in Rice, 分子植物:英文版, 2018, 第 13 作者
(44) Parallel selection on a dormancy gene during domestication of crops from multiple families, NATURE GENETICS, 2018, 通讯作者
(45) 大豆育种行业创新动态, Innovation of Soybean Breeding Industry, 植物遗传资源学报, 2018, 第 7 作者
(46) Elevation of soybean seed oil content through selection for seed coat shininess, NATURE PLANTS, 2018, 第11作者
(47) DNA methylation footprints during soybean domestication and improvement, GENOME BIOLOGY, 2018, 通讯作者
(48) De novo assembly of a Chinese soybean genome, De novo assembly of a Chinese soybean genome, 中国科学:生命科学英文版, 2018, 第 10 作者
(49) Identification of QTNs Controlling Seed Protein Content in Soybean Using Multi-Locus Genome-Wide Association Studies, FRONTIERS IN PLANT SCIENCE, 2018, 第 14 作者
(50) 作物育种关键技术发展态势, Development of Key Breeding Technology, 植物遗传资源学报, 2018, 第 7 作者
(51) 我国大豆分子设计育种成果与展望, Update and Perspect of Soybean Molecular Module-based Designer Breeding in China, 中国科学院院刊, 2018, 第 1 作者
(52) Adaptation of Arabidopsis thaliana to the Yangtze River basin, GENOME BIOLOGY, 2017, 第 13 作者
(53) Natural variation at the soybean J locus improves adaptation to the tropics and enhances yield., NATURE GENETICS, 2017, 通讯作者
(54) Rational design of high-yield and superior-quality rice, NATURE PLANTS, 2017, 第 2 作者
(55) A R2R3-type MYB transcription factor GmMYB29 regulates isoflavonoid biosynthesis in soybean, PLos Genetics, 2017, 第 1 作者
(56) An R2R3-type MYB transcription factor, GmMYB29, regulates isoflavone biosynthesis in soybean, PLOS GENETICS, 2017, 第 9 作者
(57) Genome-wide association studies dissect the genetic networks underlying agronomical traits in soybean., GENOME BIOLOGY, 2017, 通讯作者
(58) 大豆低纬度生态适应性关键基因_J基因的克隆及功能验证, 第十届全国大豆学术讨论会论文摘要集, 2017, 第 1 作者
(59) Chloroplasts DNA underwent independent selection from nuclear genes during soybean domestication and improvement, J Genet Genomics, 2016, 通讯作者
(60) Functional conservation and divergence of GmCHLI genes in polyploid soybean, PLANT JOURNAL, 2016, 通讯作者
(61) Chloroplast DNA Underwent Independent Selection from Nuclear Genes during Soybean Domestication and Improvement, JOURNAL OF GENETICS AND GENOMICS, 2016, 通讯作者
(62) Genome-wide association study of 12 agronomic traits in peach, NATURE COMMUNICATIONS, 2016, 通讯作者
(63) A soybean quantitative trait locus that promotes flowering under long days is identified as FT5a, a FLOWERING LOCUS T ortholog, JOURNAL OF EXPERIMENTAL BOTANY, 2016, 其他(合作组作者)
(64) Global investigation of the co-evolution of MIRNA genes and microRNA targets during soybean domestication, PLANT JOURNAL, 2016, 通讯作者
(65) 开启中国设计育种新篇章——“分子模块设计育种创新体系”战略性先导科技专项进展, 中国科学院院刊, 2015, 第 9 作者
(66) Protomer Roles in Chloroplast Chaperonin Assembly and Function, Protomer Roles in Chloroplast Chaperonin Assembly and Function, 分子植物:英文版, 2015, 第 9 作者
(67) Resequencing 302 wild and cultivated accessions identifies genes related to domestication and improvement in soybean, NATURE BIOTECHNOLOGY, 2015, 通讯作者
(68) Genome sequencing of adzuki bean ( Vigna angularis ) provides insight into high starch and low fat accumulation and domestication, PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2015, 第 2 作者
(69) Functional Evolution of Phosphatidylethanolamine Binding Proteins in Soybean and Arabidopsis, PLANT CELL, 2015, 第 14 作者
(70) Protomer Roles in Chloroplast Chaperonin Assembly and Function, MOLECULAR PLANT, 2015, 第 9 作者
(71) Genomics progress will facilitate molecular breeding in soybean, SCIENCECHINALIFESCIENCES, 2015, 通讯作者
(72) Global Dissection of Alternative Splicing in Paleopolyploid Soybean W, THE PLANT CELL, 2014, 通讯作者
(73) Global Dissection of Alternative Splicing in Paleopolyploid Soybean, PLANT CELL, 2014, 通讯作者
(74) Genome-wide expression analysis in a dwarf soybean mutant, PLANT GENETIC RESOURCES-CHARACTERIZATION AND UTILIZATION, 2014, 通讯作者
(75) Concerted evolution of D1 and D2 to regulate chlorophyll degradation in soybean, PLANT JOURNAL, 2014, 通讯作者
(76) Cloning of Ln Gene Through Combined Approach of Map-based Cloning and Association Study in Soybean, JOURNAL OF GENETICS AND GENOMICS, 2013, 通讯作者
(77) Comprehensive analyses of microRNA gene evolution in paleopolyploid soybean genome, PLANT JOURNAL, 2013, 通讯作者
(78) Comprehensive analyses of microRNA genes evolution in paleopolyploid soybean genome, Plant Journal, 2013, 通讯作者
(79) Pericentromeric Effects Shape the Patterns of Divergence, Retention, and Expression of Duplicated Genes in the Paleopolyploid Soybean, PLANT CELL, 2012, 第 2 作者
(80) Genome-Wide Characterization of Nonreference Transposons Reveals Evolutionary Propensities of Transposons in Soybean, PLANT CELL, 2012, 第 1 作者
(81) Genetic analysis of starch paste viscosity parameters in glutinous rice (Oryza sativa L.), THEORETICAL AND APPLIED GENETICS, 2011, 第 2 作者
(82) ALK,the Key Gene for Gelatinization Temperature, is a Modifier Gene for Gel Consistency in Rice, JOURNAL OF INTEGRATIVE PLANT BIOLOGY, 2011, 第 4 作者
(83) ALK, the key gene for gelatinization temperature, is a modifier gene for gel consistency in rice (Oryza sativa L.)., J Integr Plant Biol, 2011, 第 1 作者
(84) Exceptional lability of a genomic complex in rice and its close relatives revealed by interspecific and intraspecific comparison and population analysis, BMC GENOMICS, 2011, 第 1 作者
(85) Development of gene-tagged molecular markers for starch synthesis-related genes in rice, Development of gene-tagged molecular markers for starch synthesis-related genes in rice, 中国科学通报:英文版, 2010, 第 1 作者
(86) Evolutionary conservation, diversity and specificity of LTR-retrotransposons in flowering plants: insights from genome-wide analysis and multi-specific comparison, PLANT JOURNAL, 2010, 第 2 作者
(87) Artificial selection for determinate growth habit in soybean, PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2010, 第 1 作者
(88) Genetic dissection of paste viscosity characteristics in glutinous rice (Oryza sativa L.), Theor Appl Genet, 2010, 第 1 作者
(89) Development of gene-tagged molecular markers for starch synthesis-related genes in rice, CHINESE SCIENCE BULLETIN, 2010, 第 1 作者
(90) 水稻淀粉合成相关基因分子标记的建立, 科学通报, 2010, 第 3 作者
(91) SoyTEdb: a comprehensive database of transposable elements in the soybean genome, BMC GENOMICS, 2010, 第 3 作者
(92) Genome sequence of the paleopolyploid soybean, Nature, 2010, 通讯作者
(93) Bifurcation and Enhancement of Autonomous-Nonautonomous Retrotransposon Partnership through LTR Swapping in Soybean C W, THE PLANT CELL, 2010, 第 2 作者
(94) PROC NATL ACAD SCI USA, 2009, 
(95) Comparative analysis of complete orthologous centromeres from two subspecies of rice reveals rapid variation of centromere organization and structure, PLANT JOURNAL, 2009, 第 3 作者
(96) Do genetic recombination and gene density shape the pattern of DNA elimination in rice LTR-retrotransposons, Genome Res, 2009, 第 1 作者
(97) Allelic diversities in rice starch biosynthesis lead to a diverse array of rice eating and cooking qualities, PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2009, 第 1 作者
(98) 水杨酸对鸭梨幼果酚类物质代谢调节作用的研究, Effect of SA on phemolics metabolization of Ya Pear growing fruits, 河北农业大学学报, 2002, 第 2 作者
(99) 水杨酸对鸭梨果实PG、PME和呼吸速率的影响, Effects of Salicylic Acid on PG, PME and Respiration in Ya-li Pears, 果树学报, 2002, 第 1 作者
(100) 水杨酸对新红星苹果果实乙烯合成酶的影响, Effects of Salicylic Acid(SA) on EFE Activity in Starkrimson Apples, 果树学报, 2002, 第 3 作者
(101) 水杨酸对离体鸭梨花序衰老的影响, 果树学报, 2001, 第 4 作者
(102) 水杨酸对新红星苹果果实后熟的影响, 园艺学报, 2001, 第 2 作者
(103) Genome sequencing of adzuki bean (Vigna angularis) provides insight into high starch and low fat accumulation and domestication, PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, "null", 
(104) Functional Evolution of Phosphatidylethanolamine Binding Proteins in Soybean and Arabidopsis, THE PLANT CELL, 第 14 作者

科研活动

   
科研项目
( 1 ) 大豆PEBP基因家族功能分化与进化机制分析, 负责人, 研究所自主部署, 2011-07--2014-06
( 2 ) 大豆核心种质若干重要农艺性状的遗传多样性分析, 负责人, 研究所自主部署, 2011-07--2014-06
( 3 ) 大豆重复基因进化及对非生物胁迫响应机制研究, 负责人, 国家任务, 2012-01--2014-12
( 4 ) 大豆四粒荚调控基因的克隆和功能分析, 负责人, 国家任务, 2013-01--2016-12
( 5 ) 大豆分子遗传学, 负责人, 国家任务, 2013-01--2015-12
( 6 ) 大豆功能基因组, 负责人, 中国科学院计划, 2012-05--2016-05
( 7 ) 大豆高产稳产分子模块系统解析及耦合效应分析, 负责人, 中国科学院计划, 2013-10--2018-07
( 8 ) 大豆驯化改良中不同功能单元微进化规律, 负责人, 国家任务, 2016-01--2018-12
( 9 ) 专项/项目-多模块耦合最佳路径设计, 负责人, 中国科学院计划, 2013-08--2018-07
( 10 ) 大豆功能基因组学, 负责人, 国家任务, 2016-01--2020-12
( 11 ) 未来作物分子设计, 参与, 国家任务, 2018-01--2022-12
( 12 ) 主要农作物产量性状形成的分子基础, 参与, 国家任务, 2016-07--2020-12
( 13 ) 大豆高产稳产分子基础与品种培育, 负责人, 中国科学院计划, 2019-01--2022-12
( 14 ) 设计型新品种创造, 负责人, 中国科学院计划, 2019-11--2024-12
( 15 ) 未来作物分子设计, 参与, 国家任务, 2023-04--2027-12
参与会议
(1)大豆功能基因组与分子设计育种   第五届全球华人遗传学大会暨生物产业高峰论坛   田志喜   2023-05-17
(2)SoyOmics: A deeply integrated database on soybean multi-omics   第一届现代农业国际论坛   2023-04-21
(3)SoyOmics: A deeply integrated database on soybean multi-omics   2023 年整合植物生物学前沿学术研讨会暨 JIPB 编委会   2023-04-07
(4)Molecular design breeding in soybean   第二届国际种业科学家大会   2023-01-05
(5)Investigation of the genetic diversity during soybean domestication   2019-11-09
(6)Hereditary network of pubescence density in soybean   2019-10-12
(7)Investigation of the genetic diversity during soybean domestication   2019-08-22
(8)Survey for the key domestication genes in soybean   2018-10-28
(9)Dissecting agronomic traits using genomic and genetic approaches in soybean   2018-08-29
(10)Survey of domestication genes in soybean   2018-08-21
(11)Scanning the domestication genes in soybean   2018-06-14
(12)Survey for the key domestication genes in soybean   2018-01-15
(13)Survey for the genes responsible for important domestication traits in soybean   2017-10-09
(14)Genetic dissection of agronomic traits and molecular design breeding in soybean   2017-01-13
(15)Genetic network underlying agronomic traits in soybean   2016-08-15
(16)Comprehensive analysis of miRNA-like gene accumulation and expression in paleopolyploid soybean genome   Zhengkui Zhou, Zheng Wang   2012-08-08
(17)Polymorphism of transposable elements reveals their dynamic evolutions in the genomes   Zhixi Tian   2012-04-15
(18)Artificial selection for determinate growth habit in soybean   ZHIXI TIAN   2011-01-18
(19)Artificial selection for determinate growth habit in soybean   Zhixi Tian   2009-08-20