【摘 要】
：
High-oil maize is the product of artificial selection.Relatively little is known about the long-term selection footprints of phenotypic,genomic and genetic properties.Here we developed a unique high-o
【机 构】
：
National Maize Improvement Center of China,China Agricultural University,Beijing 100193,China
论文部分内容阅读
High-oil maize is the product of artificial selection.Relatively little is known about the long-term selection footprints of phenotypic,genomic and genetic properties.Here we developed a unique high-oil maize population called LvDaHongGu High-Oil (LDHO) population,which was derived from chain-crosses among nine elite inbred lines with seven-generation selection for oil content in maize kernel.Intense artificial selection leads to prominent phenotypic changes not only in kernel oil content but also in some agronomic traits such as flowering time,plant height,hundred-grain weight and etc.To better understand the genetic basis of kernel oil content as well as some agronomic traits varied during the long-term selection,three generations of LDHO population,C1,C4 and C7,with each generation of around 200 individuals,were phenotyped for 27 traits in three environments and genotyped using 3,072 SNPs.
其他文献
Doubled haploid (DH) technology can greatly accelerate plant breeding process,and is widely used in modern breeding.Haploids can be obtained by in vitro or in vivo approaches.Anther and microspore cul
Sugarcane mosaic virus (SCMV) causes the devastating maize viral disease and poses a grave threat to global maize production.Two loci,Scmv1 and Scmv2,act epistatically to confer complete resistance to
Sugarcane mosaic virus (SCMV) causes the devastating maize viral disease and poses a grave threat to global maize production.Two loci,Scmv1 and Scmv2,act epistatically to confer complete resistance to
A sequence-indexed,user-friendly,reverse genetics resource is highly desirable to fully exploit the maize genome sequence.This NSF-PGRP-funded project is generating and sequence-indexing a collection
A sequence-indexed,user-friendly,reverse genetics resource is highly desirable to fully exploit the maize genome sequence.This NSF-PGRP-funded project is generating and sequence-indexing a collection
Ribosome biogenesis is a basal cellular process in eukaryotic cells.Significant progress has been made on the biochemistry of ribosome biogenesis,however little is known about the cellular consequence
Gene duplication exists in nearly all species and can result in coding and regulatory divergence.In maize,whole genome duplication (WGD) resulted in the subgenomes maize 1 and maize2,with maize 1 the
Building maize pan-genome is of major importance because there are more variable between maize individuals than human and apes combined.Here we integrated next generation sequencing data of 79 maize i
Variation in gene expression no doubt contributes to diversity and evolution of phenotype.In this study,we explored the expression present and absence variation (ePAV) by RNA sequencing the kernels of
Variation in gene expression no doubt contributes to diversity and evolution of phenotype.In this study,we explored the expression present and absence variation (ePAV) by RNA sequencing the kernels of