In order to determine the planar and volume distribution of sand bodies of the Jurassic Badaowan formation in Block T13 of Junggar basin,we used analysis of field outcrop and 3D seismic data,which play an essential ro...In order to determine the planar and volume distribution of sand bodies of the Jurassic Badaowan formation in Block T13 of Junggar basin,we used analysis of field outcrop and 3D seismic data,which play an essential role in areas of sparse well coverage.We describe sedimentary facies characteristics,sand body planforms,width and connectivity patterns of sand bodies,and vertical associations and successions by acoustic impedance inversion technology and sedimentological theory.Results of our study show braided fluvial strata deposits in the Jurassic Badaowan formation.Each sand body is approximately lenticular in shape.The width of each sand body falls in the range 100～800 m,with most between 200 and 400 m.The sand bodies vary in thickness from 4 to 13 m,with most below 9 m.The width/thickness ratios lie in the range 20～55.The connectivity of braided fluvial channel sand bodies is controlled by changes of accommodation space.One fining-upward sedimentary cycle of base-level rise is recognized in Badaowan formation,representing an upward rise of base level.The connectivity of sand bodies was found to be greatest in the early stage of base-level rise,becoming progressively worse with increasing base-level rise.展开更多
目的:探讨囊性纤维化跨膜传导调节因子(CFTR)基因5T位点多态性与先天性双侧输精管缺如(CBAVD)发病风险的相关性。方法:采用病例-对照研究方法,选取40例国内孤立发生的CBAVD患者作为病例组和104例健康男性作为对照组,用Sanger测序方法对C...目的:探讨囊性纤维化跨膜传导调节因子(CFTR)基因5T位点多态性与先天性双侧输精管缺如(CBAVD)发病风险的相关性。方法:采用病例-对照研究方法,选取40例国内孤立发生的CBAVD患者作为病例组和104例健康男性作为对照组,用Sanger测序方法对CFTR基因9号内含子(TG)m-n(T)单倍型进行测序分型;结合本实验和Pubmed、Web of science、Medline和中国知网等数据库文献中相关数据,进行meta分析,来探讨5T突变与CBAVD发病风险的相关性。结果:Sanger测序结果表明,病例组中检测到6种基因型,分别为TG11-5T、TG12-5T、TG13-5T、TG11-7T、TG12-7T、TG11-9T;对照组中检测到7种基因型,分别为TG11-5T、TG12-5T、TG10-7T、TG11-7T、TG12-7T、TG13-7T、TG11-9T。与对照组10/208(4.81%)相比,在病例组13/80(16.25%)中观察到TG12-5T单倍型约增加了3.38倍;与对照组(0)相比,在病例组中观察到TG13-5T单倍型为6/80(7.5%);TG11-5T单倍型在对照组2/80(2.50%)和病例组4/208(1.92%)中差异很小。TG12_13-5T单倍型在病例组与对照组中差异极显著(OR=7.40,95%CI=4.83～11.34,P<0.01)。经meta分析,TG12_13-5T单倍型与男性患CBAVD疾病的相关性较高。结论:TG12_13-5T单倍型增加CBAVD患病风险,为男性生殖提供了理论基础。展开更多
目的检测研究所使用的人肾上腺皮质癌细胞SW-13、人胚肾细胞293T及人胃癌细胞AGS 3种细胞系污染情况,并探索短串联重复序列(short tandem repeat,STR)分型方法检测人类细胞系污染的可靠性。方法人类基因组上的微卫星位点携带着大量STR,...目的检测研究所使用的人肾上腺皮质癌细胞SW-13、人胚肾细胞293T及人胃癌细胞AGS 3种细胞系污染情况,并探索短串联重复序列(short tandem repeat,STR)分型方法检测人类细胞系污染的可靠性。方法人类基因组上的微卫星位点携带着大量STR,每个STR核心序列的重复次数随个体不同存在差异,作为一种DNA标记使得细胞系在DNA水平上具有个性化。通过荧光聚合酶链式反应体系扩增STR位点,检测的数据与DSMZ细胞库进行匹配以对细胞系进行鉴别。结果比对得出SW-13基本匹配,其中20个STR基因位点中只有TH01位点的两个等位基因重复数为7和8,与DSMZ细胞库中此等位基因重复数7和7有差异,其余均一致在可接受范围内。细胞系293T、AGS等位基因的重复数与DSMZ细胞库完全匹配。结论 STR分型检测方法被ATCC、DSMZ等权威机构推崇,且此研究采用20位点检测法涵盖ATCC-9位点及中检院-16位点检测法,该法权威可靠。本所3种细胞系遗传稳定,均无种内或种间污染。展开更多
基金Financial support for this work,provided by the National Basic Research Program of China(No.2006 CB202300),
文摘In order to determine the planar and volume distribution of sand bodies of the Jurassic Badaowan formation in Block T13 of Junggar basin,we used analysis of field outcrop and 3D seismic data,which play an essential role in areas of sparse well coverage.We describe sedimentary facies characteristics,sand body planforms,width and connectivity patterns of sand bodies,and vertical associations and successions by acoustic impedance inversion technology and sedimentological theory.Results of our study show braided fluvial strata deposits in the Jurassic Badaowan formation.Each sand body is approximately lenticular in shape.The width of each sand body falls in the range 100～800 m,with most between 200 and 400 m.The sand bodies vary in thickness from 4 to 13 m,with most below 9 m.The width/thickness ratios lie in the range 20～55.The connectivity of braided fluvial channel sand bodies is controlled by changes of accommodation space.One fining-upward sedimentary cycle of base-level rise is recognized in Badaowan formation,representing an upward rise of base level.The connectivity of sand bodies was found to be greatest in the early stage of base-level rise,becoming progressively worse with increasing base-level rise.
文摘目的:探讨囊性纤维化跨膜传导调节因子(CFTR)基因5T位点多态性与先天性双侧输精管缺如(CBAVD)发病风险的相关性。方法:采用病例-对照研究方法,选取40例国内孤立发生的CBAVD患者作为病例组和104例健康男性作为对照组,用Sanger测序方法对CFTR基因9号内含子(TG)m-n(T)单倍型进行测序分型;结合本实验和Pubmed、Web of science、Medline和中国知网等数据库文献中相关数据,进行meta分析,来探讨5T突变与CBAVD发病风险的相关性。结果:Sanger测序结果表明,病例组中检测到6种基因型,分别为TG11-5T、TG12-5T、TG13-5T、TG11-7T、TG12-7T、TG11-9T;对照组中检测到7种基因型,分别为TG11-5T、TG12-5T、TG10-7T、TG11-7T、TG12-7T、TG13-7T、TG11-9T。与对照组10/208(4.81%)相比,在病例组13/80(16.25%)中观察到TG12-5T单倍型约增加了3.38倍;与对照组(0)相比,在病例组中观察到TG13-5T单倍型为6/80(7.5%);TG11-5T单倍型在对照组2/80(2.50%)和病例组4/208(1.92%)中差异很小。TG12_13-5T单倍型在病例组与对照组中差异极显著(OR=7.40,95%CI=4.83～11.34,P<0.01)。经meta分析,TG12_13-5T单倍型与男性患CBAVD疾病的相关性较高。结论:TG12_13-5T单倍型增加CBAVD患病风险,为男性生殖提供了理论基础。
文摘目的检测研究所使用的人肾上腺皮质癌细胞SW-13、人胚肾细胞293T及人胃癌细胞AGS 3种细胞系污染情况,并探索短串联重复序列(short tandem repeat,STR)分型方法检测人类细胞系污染的可靠性。方法人类基因组上的微卫星位点携带着大量STR,每个STR核心序列的重复次数随个体不同存在差异,作为一种DNA标记使得细胞系在DNA水平上具有个性化。通过荧光聚合酶链式反应体系扩增STR位点,检测的数据与DSMZ细胞库进行匹配以对细胞系进行鉴别。结果比对得出SW-13基本匹配,其中20个STR基因位点中只有TH01位点的两个等位基因重复数为7和8,与DSMZ细胞库中此等位基因重复数7和7有差异,其余均一致在可接受范围内。细胞系293T、AGS等位基因的重复数与DSMZ细胞库完全匹配。结论 STR分型检测方法被ATCC、DSMZ等权威机构推崇,且此研究采用20位点检测法涵盖ATCC-9位点及中检院-16位点检测法,该法权威可靠。本所3种细胞系遗传稳定,均无种内或种间污染。
