Genome-wide identification and characterization of GRAS transcription factors in sacred lotus (Nelumbo nucifera)
文献类型: 外文期刊
作者: Wang, Yu 1 ; Shi, Shenglu 1 ; Zhou, Ying 1 ; Zhou, Yu 1 ; Yang, Jie 2 ; Tang, Xiaoqing 1 ;
作者机构: 1.Nanjing Agr Univ, Coll Hort, Nanjing, Jiangsu, Peoples R China
2.Jiangsu Acad Agr Sci, Inst Food Crops, Nanjing, Jiangsu, Peoples R China
关键词: Genome-wide;GRAS;Nelumbo nucifera;Expression profile;Phylogeny;Sacred lotus
期刊名称:PEERJ ( 影响因子:2.984; 五年影响因子:3.369 )
ISSN: 2167-8359
年卷期: 2016 年 4 卷
页码:
收录情况: SCI
摘要: The GRAS gene family is one of the most important plant-specific gene families, which encodes transcriptional regulators and plays an essential role in plant development and physiological processes. The GRAS gene family as been well characterized in many higher plants such as Arabidopsis, rice, Chinese cabbage, tomato and tobacco. In this study, we identified 38 GRAS genes in sacred lotus (Nelumbo nucifera), analyzed their physical and chemical characteristics and performed phylogenetic analysis using the GRAS genes from eight representative plant species to show the evolution of GRAS genes in Planta. In addition, the gene structures and motifs of the sacred in lotus GRAS proteins were characterized detail. Comparative analysis identified 42 orthologous and 9 co-orthologous gene pairs between sacred lotus and Arabidopsis, and 35 orthologous and 22 co-orthologous gene pairs between sacred lotus and rice. Based on publically available RNA-seq data generated from leaf, petiole, rhizome and root, we found that most of the sacred lotus GRAS genes exhibited a tissue-specific expression pattern. Eight of the ten PAT1-clade GRAS genes, particularly NnuGRAS-05, NnuGRAS-10 and NnuGRAS-25, were preferentially expressed in rhizome and root. In summary, this is the first in silica analysis of the GRAS gene family in sacred lotus, which will provide valuable information for further molecular and biological analyses of this important gene family.
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