Transcriptome Analysis of Potential Regulatory Genes under Chemical Doubling in Maize Haploids
文献类型： 外文期刊
作者： Li, Youqiang 1 ; Zhan, Penglin 2 ; Pu, Rumin 1 ; Xiang, Wenqi 1 ; Meng, Xin 1 ; Yang, Shiqi 1 ; Hu, Gaojiao 1 ; Zhao, Shuang 1 ; Han, Jialong 1 ; Xia, Chao 1 ; Lan, Hai 1 ; Wang, Qingjun 1 ; Li, Jingwei 1 ; Lu, Yanli 1 ; Yu, Yongtao 3 ; Liao, Changjian 2 ; Li, Gaoke 3 ; Lin, Haijian 1 ;
作者机构： 1.Sichuan Agr Univ, State Key Lab Crop Gene Explorat & Utilizat Southw, Maize Res Inst, Chengdu 611130, Peoples R China
2.Fujian Acad Agr Sci, Crop Res Inst, Tech Res Ctr Dry Crop Variety Breeding Fujian Prov, Fuzhou 350013, Peoples R China
3.Guangdong Acad Agr Sci, Crop Res Inst, Guangdong Key Lab Crop Genet Improvement, Guangzhou 510640, Peoples R China
关键词： maize; haploid; transcriptome; mitosis; kinesin
期刊名称：AGRONOMY-BASEL （ 影响因子：3.7； 五年影响因子：4.0 ）
ISSN：
年卷期： 2024 年 14 卷 3 期
页码：
收录情况： SCI
摘要： Maize is one of the most successful crops with regard to the utilization of heterosis. The haploid induction technique is one of the fastest methods to obtain pure maize material at the present stage. However, the molecular mechanism of haploid doubling is rarely reported. In this study, we treated B73 and ZNC442 haploid young shoots with colchicine for 0 h, 6.2 h, and 10 h, and analyzed the differentially expressed genes (DEGs). We found that colchicine treatment for 6.2 h and 10 h compared to 0 h resulted in a total of 4868 co-DEGs. GO enrichment analysis and KEGG metabolic pathway analysis found significantly enriched 282 GO terms and 31 significantly pathways, respectively. Additionally, The GO term and KEGG pathway genes of spindle, cytoskeleton, microtubules and nuclear division were selected for analysis, and three candidate genes were screened by taking intersections. Zm00001d033112, Zm00001d010525, and Zm00001d043386 were annotated as kinesin-associated protein 13, kinesin-like protein KIN-10C, and kinesin light-chain LC6, respectively. The real-time fluorescence quantification (RT-PCR) results revealed that Zm00001d033112, Zm00001d010525, and Zm00001d043386 had the same trends as RNA-seq. Interestingly, Zm00001d033112 is homologous gene AT3G20150 in Arabidopsis, which was involved in the regulation of chromosome movement and mitotic spindle assembly. Our study suggests that kinesin genes may play an important role in doubling chromosomes, thus providing valuable information for future studies on the molecular mechanisms of chromosome doubling in maize.
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