文献类型： 外文期刊
作者： Yi, Fei 1 ; Gu, Wei 1 ; Chen, Jian 1 ; Song, Ning 1 ; Gao, Xiang 1 ; Zhang, Xiangbo 1 ; Zhou, Yingsi 1 ; Ma, Xuxu 1 ; Song, 1 ;
作者机构： 1.China Agr Univ, Dept Plant Genet & Breeding, State Key Lab Agrobiotechnol, Beijing 100193, Peoples R China
2.China Agr Univ, Dept Plant Genet & Breeding, Natl Maize Improvement Ctr, Beijing 100193, Peoples R China
3.Shanghai Acad Agr Sci, China Specialty Maize Res Ctr CIMMYT, Crop Breeding & Cultivat Res Inst, Shanghai 201403, Peoples R China
4.Univ Toronto, Dept Cell & Syst Biol, Ctr Anal Genome Evolut & Funct, Toronto, ON M5S 3B2, Canada
5.China Agr Univ, Ctr Crop Funct Genom & Mol Breeding, Beijing 100193, Peoples R China
期刊名称：PLANT CELL （ 影响因子：11.277； 五年影响因子：12.061 ）
ISSN： 1040-4651
年卷期： 2019 年 31 卷 5 期
页码：
收录情况： SCI
摘要： The early maize (Zea mays) seed undergoes several developmental stages after double fertilization to become fully differentiated within a short period of time, but the genetic control of this highly dynamic and complex developmental process remains largely unknown. Here, we report a high temporal-resolution investigation of transcriptomes using 31 samples collected at an interval of 4 or 6 h within the first six days of seed development. These time-course transcriptomes were clearly separated into four distinct groups corresponding to the stages of double fertilization, coenocyte formation, cellularization, and differentiation. A total of 22,790 expressed genes including 1415 transcription factors (TFs) were detected in early stages of maize seed development. In particular, 1093 genes including 110 TFs were specifically expressed in the seed and displayed high temporal specificity by expressing only in particular period of early seed development. There were 160, 22, 112, and 569 seed-specific genes predominantly expressed in the first 16 h after pollination, coenocyte formation, cellularization, and differentiation stage, respectively. In addition, network analysis predicted 31,256 interactions among 1317 TFs and 14,540 genes. The high temporal-resolution transcriptome atlas reported here provides an important resource for future functional study to unravel the genetic control of seed development.
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