转录组
生物
基因
韧皮部
人口
计算生物学
基因表达
细胞生物学
遗传学
植物
人口学
社会学
作者
Yuxin Fu,Wenfu Xiao,Tian Liu,Liangxing Guo,Guangjin Ma,Ji Chen,Yongcai Huang,Haihai Wang,Xingguo Wu,Tao Yang,Jiechen Wang,Jirui Wang,Yongrui Wu,Wenqin Wang
标识
DOI:10.1038/s41467-023-43006-7
摘要
Abstract Maize kernels are complex biological systems composed of three genetic sources, namely maternal tissues, progeny embryos, and progeny endosperms. The lack of gene expression profiles with spatial information has limited the understanding of the specific functions of each cell population, and hindered the exploration of superior genes in kernels. In our study, we conduct microscopic sectioning and spatial transcriptomics analysis during the grain filling stage of maize kernels. This enables us to visualize the expression patterns of all genes through electronical RNA in situ hybridization, and identify 11 cell populations and 332 molecular marker genes. Furthermore, we systematically elucidate the spatial storage mechanisms of the three major substances in maize kernels: starch, protein, and oil. These findings provide valuable insights into the functional genes that control agronomic traits in maize kernels.
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