Gene expression profiles in early leaf of rice (Oryza sativa) and foxtail millet (Setaria italica)

文献类型： 外文期刊

第一作者： Sun, Jing

作者： Sun, Jing;Deng, Chen;Li, Haoshu;Zhang, Liying;Wang, Jingke;Zhao, Hang;Yang, Yirong;Zhang, Zhiguo;Sun, Xuehui;Lu, Tiegang;Dai, Xiuru;Li, Pinghua;Phung, NghiVan

作者机构：

关键词： Rice; Foxtail millet; Leaf development; RNA-seq; LCM

期刊名称：CROP JOURNAL （ 影响因子：6.0； 五年影响因子：5.6 ）

ISSN： 2095-5421

年卷期： 2024 年 12 卷 3 期

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收录情况： SCI

摘要： Plant anatomy is patterned early during leaf development which suggests studying the spatial-temporal transcriptomes of primordia will help identify critical regulative and functional genes. We successfully isolated the leaf primordia tissues from the C3 grass rice and the C4 grass foxtail millet by laser capture microdissection (LCM) and studied the gene expression throughout leaf developmental stages. Our data analysis uncovered the conserved expression patterns of certain gene clusters both in rice and foxtail millet during leaf development. We revealed genes and transcription factors involved in vein formation, stomatal development, and suberin accumulation. We identified 79 candidate genes associated with functional regulation of C4 anatomy formation. Screening phenotype of the candidate genes revealed that knock-out of a putative polar auxin transport related gene NAL1 resulted significantly reduced veinal space in rice leaf. Our present work provides a foundation for future analyses of genes with novel functions in grasses and their role in leaf development, in particular the role in leaves with a contrasting C3 vs. C4 biosynthetic pathway. (c) 2024 Crop Science Society of China and Institute of Crop Science, CAAS. Production and hosting by Elsevier B.V. on behalf of KeAi Communications Co., Ltd. This is an open access article under the CC BY-NCND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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