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Transcriptomics and Alternative Splicing Analyses Reveal Large Differences between Maize Lines B73 and Mo17 in Response to Aphid Rhopalosiphum padi Infestation
Song, Juan1,2; Liu, Hui1; Zhuang, Huifu1,2; Zhao, Chunxia3; Xu, Yuxing1,2; Wu, Shibo4; Qi, Jinfeng1; Li, Jing1; Hettenhausen, Christian1; Wu, Jianqiang1
2017-10-10
Source PublicationFRONTIERS IN PLANT SCIENCE
ISSN1664-462X
Volume8Pages:1738
AbstractMaize (Zea mays L.) is a staple crop worldwide with extensive genetic variations. Various insects attack maize plants causing large yield loss. Here, we investigated the responses of maize B73, a susceptible line, and Mo17, a resistant line, to the aphid Rhopalosiphum padi on metabolite and transcriptome levels. R. padi feeding had no effect on the levels of the defensive metabolites benzoxazinoids (Bxs) in either line, and Mo17 contained substantially greater levels of Bxs than did B73. Profiling of the differentially expressed genes revealed that B73 and Mo17 responded to R. padi infestation specifically, and importantly, these two lines showed large gene expression differences even without R. padi herbivory. Correlation analysis identified four transcription factors (TFs) that might account for the high Bx levels in Mo17. Similarly, genome-wide alternative splicing (AS) analyses indicated that both B73 and Mo17 had temporally specific responses to R. padi infestation, and these two lines also exhibited large differences of AS regulation under normal condition, and 340 genes, including 10 TFs, were constantly differentially spliced. This study provides large-scale resource datasets for further studies on the mechanisms underlying maize-aphid interactions, and highlights the phenotypic divergence in defense against aphids among maize varieties.
KeywordMaize (Zea Mays L.) Rhopalosiphum Padi Transcriptome Alternative Splicing Metabolites Benzoxazinoid
Subject AreaPlant Sciences
DOI10.3389/fpls.2017.01738
Indexed BySCI
Language英语
WOS IDWOS:000412627200001
Citation statistics
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/54871
Collection资源植物与生物技术所级重点实验室
Affiliation1.Chinese Acad Sci, Kunming Inst Bot, Dept Econ Plants & Biotechnol, Yunnan Key Lab Wild Plant Resources, Kunming, Yunnan, Peoples R China
2.Univ Chinese Acad Sci, Beijing, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian, Peoples R China
4.Yunnan Acad Sci & Technol Dev, Kunming, Yunnan, Peoples R China
Recommended Citation
GB/T 7714
Song, Juan,Liu, Hui,Zhuang, Huifu,et al. Transcriptomics and Alternative Splicing Analyses Reveal Large Differences between Maize Lines B73 and Mo17 in Response to Aphid Rhopalosiphum padi Infestation[J]. FRONTIERS IN PLANT SCIENCE,2017,8:1738.
APA Song, Juan.,Liu, Hui.,Zhuang, Huifu.,Zhao, Chunxia.,Xu, Yuxing.,...&Wu, Jianqiang.(2017).Transcriptomics and Alternative Splicing Analyses Reveal Large Differences between Maize Lines B73 and Mo17 in Response to Aphid Rhopalosiphum padi Infestation.FRONTIERS IN PLANT SCIENCE,8,1738.
MLA Song, Juan,et al."Transcriptomics and Alternative Splicing Analyses Reveal Large Differences between Maize Lines B73 and Mo17 in Response to Aphid Rhopalosiphum padi Infestation".FRONTIERS IN PLANT SCIENCE 8(2017):1738.
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