为了研究大型肉牛比利时蓝牛生长发育的遗传规律,筛选优异基因,试验基于Illumina Bovine SNP 50K芯片数据,采用PLINK软件对270头比利时蓝牛常染色体数据进行基因组长纯合片段(ROH)检测并基于选择信号分析,通过核苷酸多态性检测取前5%的...为了研究大型肉牛比利时蓝牛生长发育的遗传规律,筛选优异基因,试验基于Illumina Bovine SNP 50K芯片数据,采用PLINK软件对270头比利时蓝牛常染色体数据进行基因组长纯合片段(ROH)检测并基于选择信号分析,通过核苷酸多态性检测取前5%的单核苷酸多态性(single nucleotide polymorphism,SNP)位点,基于牛参考基因组(ARS-UCD1.2)对结果SNPs进行基因注释,对候选基因进行GO功能注释与KEGG信号通路富集分析,并计算染色体上ROH长度占基因组总长度的比例(FROH)。结果表明:在全部270个个体数据中共检测出1893个ROH片段,平均长度13.2311 Mb,平均FROH为0.0392;得到与生长发育相性状相关的基因有NEB、TET2、NEK11、NCKAP1、MYH15、EIF4A2、bta-miR-1248-1、DCAF8、PRORP、DOCK3、SYT15、MYEF2、ZDHHC13,与公牛生育能力相关的基因有CFAP61、DNAL1、BAG1。说明通过对比利时蓝牛生长发育性状相关分子标记的解析可以为比利时蓝牛遗传改良提供理论指导。展开更多
[Objectives]To make full use of crop rhizosphere microbial resources.[Methods]Illumina NovaSeq sequencing platform was used to analyze the richness and diversity of microbial community structure in rhizosphere soil of...[Objectives]To make full use of crop rhizosphere microbial resources.[Methods]Illumina NovaSeq sequencing platform was used to analyze the richness and diversity of microbial community structure in rhizosphere soil of rice and maize crops in Baitu Town,Gaoyao District,Zhaoqing City.[Results]A total of 14936 OTUs of bacteria and 1905 OTUs of fungi were obtained from three samples of rice rhizosphere soil,and 13437 OTUs of bacteria and 1413 OTUs of fungi were obtained from three samples of maize rhizosphere soil.The diversity and richness of bacterial communities were higher than those of fungi.There are differences in soil bacterial and fungal communities among different crop samples.The analysis of species with bacteria difference at genus level among crop rhizosphere soil samples showed that 18 genera with significant differences were obtained from 6 samples;species analysis of fungi at the genus level showed that 3 genera with significant differences were obtained from 6 samples.[Conclusions]The research results of this paper have positive significance for the development and utilization of soil resources in Zhaoqing City and the full exploitation of rice and maize rhizosphere microbial resources.展开更多
应用Illumina Mi Seq高通量测序技术测定核桃内生细菌的16S r DNA-V4变异区序列,使用Uparse等软件整理和统计样品序列数目和操作分类单元(OTUs)数量,分析内生细菌的丰度和α-多样性。获得了用于分析的有效序列63 183条,OTU数为103。稀...应用Illumina Mi Seq高通量测序技术测定核桃内生细菌的16S r DNA-V4变异区序列,使用Uparse等软件整理和统计样品序列数目和操作分类单元(OTUs)数量,分析内生细菌的丰度和α-多样性。获得了用于分析的有效序列63 183条,OTU数为103。稀释曲线表明测序深度充分,OTU数量接近于饱和。核桃样品的Chao1指数为105.143,Shannon多样性指数为1.823。核桃内生细菌主要分布于鞘氨醇单胞菌属(Sphingomonas,27.27%)、盐单胞菌属(Halomonas,27.27%)、土壤杆菌属(Agrobacterium,45.45%),这3个属是核桃内生细菌优势菌属。展开更多
基金Supported by Guangdong Province Rural Science and Technology Commissioner Project(KTP20240693)Zhaoqing University Project(QN202329)+3 种基金Science and Technology Innovation Guidance Project of Zhaoqing(202304038001)Undergraduate Innovation and Entrepreneurship Training Program(202410580011&X202310580120)The Third Batch of Innovation Research Team of Zhaoqing University(05)Quality Engineering and Teaching Reform Project of Zhaoqing University(zlgc202229,zlgc202261).
文摘[Objectives]To make full use of crop rhizosphere microbial resources.[Methods]Illumina NovaSeq sequencing platform was used to analyze the richness and diversity of microbial community structure in rhizosphere soil of rice and maize crops in Baitu Town,Gaoyao District,Zhaoqing City.[Results]A total of 14936 OTUs of bacteria and 1905 OTUs of fungi were obtained from three samples of rice rhizosphere soil,and 13437 OTUs of bacteria and 1413 OTUs of fungi were obtained from three samples of maize rhizosphere soil.The diversity and richness of bacterial communities were higher than those of fungi.There are differences in soil bacterial and fungal communities among different crop samples.The analysis of species with bacteria difference at genus level among crop rhizosphere soil samples showed that 18 genera with significant differences were obtained from 6 samples;species analysis of fungi at the genus level showed that 3 genera with significant differences were obtained from 6 samples.[Conclusions]The research results of this paper have positive significance for the development and utilization of soil resources in Zhaoqing City and the full exploitation of rice and maize rhizosphere microbial resources.
文摘应用Illumina Mi Seq高通量测序技术测定核桃内生细菌的16S r DNA-V4变异区序列,使用Uparse等软件整理和统计样品序列数目和操作分类单元(OTUs)数量,分析内生细菌的丰度和α-多样性。获得了用于分析的有效序列63 183条,OTU数为103。稀释曲线表明测序深度充分,OTU数量接近于饱和。核桃样品的Chao1指数为105.143,Shannon多样性指数为1.823。核桃内生细菌主要分布于鞘氨醇单胞菌属(Sphingomonas,27.27%)、盐单胞菌属(Halomonas,27.27%)、土壤杆菌属(Agrobacterium,45.45%),这3个属是核桃内生细菌优势菌属。
