The exocyst is a conserved protein complex,and required for vesicles tethering,fusion and polarized exocytosis.Exo70A1,the exocyst subunit,is essential for assembly of the exocyst complex.To better understand potentia...The exocyst is a conserved protein complex,and required for vesicles tethering,fusion and polarized exocytosis.Exo70A1,the exocyst subunit,is essential for assembly of the exocyst complex.To better understand potential roles of Exo70A1 in non-heading Chinese cabbage（Brassica campestris ssp.chinensis）,we obtained the full-length cDNA of Exo70A1 gene,which consisted of 1 917 bp and encoded a protein of 638 amino acids.BlastX showed BcExo70A1 shared 94.9% identity with Brassica oleracea var.acephala（AEI26267.1）,and clustered into a same group with other homologues in B.oleracea var.acephala and Brassica napus.Subcellular localization analysis showed BcExo70A1 was localized to punctate structures in cytosol of onion epithelial cells.Results showed that BcExo70A1 was widely presented in stamens,young stems,petals,unpollinated pistils,roots and leaves of self compatible and incompatible plants.The transcripts of BcExo70A1 in non- heading Chinese cabbage declined during initial 1.5 h after incompatible pollination,while an opposite trend was presented after compatible pollination.Our study reveals that BcExo70A1 could play essential roles in plant growth and development,and is related to the rejection of self pollen in non-heading Chinese cabbage.展开更多
目的比较不同年龄的重度子痫前期孕妇妊娠结局和围生儿结局。方法收集2019年12月—2020年12月在甘肃省妇幼保健院就诊并分娩的592例重度子痫前期孕妇的完整资料,按照孕妇是否高龄分为两组,其中高龄组(年龄≥35岁)110例,对照组(年龄<3...目的比较不同年龄的重度子痫前期孕妇妊娠结局和围生儿结局。方法收集2019年12月—2020年12月在甘肃省妇幼保健院就诊并分娩的592例重度子痫前期孕妇的完整资料,按照孕妇是否高龄分为两组,其中高龄组(年龄≥35岁)110例,对照组(年龄<35岁)482例,回顾性分析两组孕妇的一般情况、妊娠结局、合并症及围生儿结局。结果高龄组出现不良妊娠结局62例(56.36%),低蛋白血症47例(42.73%),对照组出现不良妊娠结局203例(42.12%),低蛋白血症107例(22.20%),差异均有统计学意义(均P<0.05)。高龄组孕妇妊娠合并贫血、妊娠期糖尿病、妊娠合并甲状腺功能减退症的发生率均高于对照组(均P<0.05)。高龄组胎儿生长受限、胎儿窘迫、围生儿死胎/引产的发生率均高于对照组(均P<0.05)。高龄组新生儿出生1 min Apgar评分<8分者有17例(15.45%),对照组有43例(8.92%),高龄组明显高于对照组(χ^(2)=4.197,P<0.05)。结论高龄重度子痫前期孕妇的不良妊娠结局发生率较高,对高龄孕妇的规范管理是预防母儿并发症、避免不良妊娠结局和围生儿结局的关键。展开更多
基金supported by the National Basic Research Program of China(973 Program,2009CB119001)the Fundamental Research Funds for the Central Universities of China(KYZ201111)+1 种基金the Natural Science Foundation of Jiangsu Province,China(BK2011643)the Scientific Innovation Research of College Graduate of Jiangsu Province,China(CXLX11_0688)
文摘The exocyst is a conserved protein complex,and required for vesicles tethering,fusion and polarized exocytosis.Exo70A1,the exocyst subunit,is essential for assembly of the exocyst complex.To better understand potential roles of Exo70A1 in non-heading Chinese cabbage（Brassica campestris ssp.chinensis）,we obtained the full-length cDNA of Exo70A1 gene,which consisted of 1 917 bp and encoded a protein of 638 amino acids.BlastX showed BcExo70A1 shared 94.9% identity with Brassica oleracea var.acephala（AEI26267.1）,and clustered into a same group with other homologues in B.oleracea var.acephala and Brassica napus.Subcellular localization analysis showed BcExo70A1 was localized to punctate structures in cytosol of onion epithelial cells.Results showed that BcExo70A1 was widely presented in stamens,young stems,petals,unpollinated pistils,roots and leaves of self compatible and incompatible plants.The transcripts of BcExo70A1 in non- heading Chinese cabbage declined during initial 1.5 h after incompatible pollination,while an opposite trend was presented after compatible pollination.Our study reveals that BcExo70A1 could play essential roles in plant growth and development,and is related to the rejection of self pollen in non-heading Chinese cabbage.
文摘目的比较不同年龄的重度子痫前期孕妇妊娠结局和围生儿结局。方法收集2019年12月—2020年12月在甘肃省妇幼保健院就诊并分娩的592例重度子痫前期孕妇的完整资料,按照孕妇是否高龄分为两组,其中高龄组(年龄≥35岁)110例,对照组(年龄<35岁)482例,回顾性分析两组孕妇的一般情况、妊娠结局、合并症及围生儿结局。结果高龄组出现不良妊娠结局62例(56.36%),低蛋白血症47例(42.73%),对照组出现不良妊娠结局203例(42.12%),低蛋白血症107例(22.20%),差异均有统计学意义(均P<0.05)。高龄组孕妇妊娠合并贫血、妊娠期糖尿病、妊娠合并甲状腺功能减退症的发生率均高于对照组(均P<0.05)。高龄组胎儿生长受限、胎儿窘迫、围生儿死胎/引产的发生率均高于对照组(均P<0.05)。高龄组新生儿出生1 min Apgar评分<8分者有17例(15.45%),对照组有43例(8.92%),高龄组明显高于对照组(χ^(2)=4.197,P<0.05)。结论高龄重度子痫前期孕妇的不良妊娠结局发生率较高,对高龄孕妇的规范管理是预防母儿并发症、避免不良妊娠结局和围生儿结局的关键。
