Genome-Wide Identification and Characterization of <i>Fusarium graminearum</i>-Responsive lncRNAs in <i>Triticum aestivum</i>

Although the war between wheat and <i>Fusarium</i> has been widely investigated for years, long noncoding RNAs (lncRNAs), which have been proven to regulate important processes in the development and stress responses of plants, are still poorly known in wheat against <i>Fusarium.&l...

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Main Authors: Xiaoxin Duan, Xiushi Song, Jianxin Wang, Mingguo Zhou
Format: Article
Language:English
Published: MDPI AG 2020-09-01
Series:Genes
Subjects:
Online Access:https://www.mdpi.com/2073-4425/11/10/1135
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author Xiaoxin Duan
Xiushi Song
Jianxin Wang
Mingguo Zhou
author_facet Xiaoxin Duan
Xiushi Song
Jianxin Wang
Mingguo Zhou
author_sort Xiaoxin Duan
collection DOAJ
description Although the war between wheat and <i>Fusarium</i> has been widely investigated for years, long noncoding RNAs (lncRNAs), which have been proven to regulate important processes in the development and stress responses of plants, are still poorly known in wheat against <i>Fusarium.</i> Herein, we systematically reveal the roles of wheat lncRNAs in the process of <i>Fusarium graminearum</i> infection by high-throughput RNA sequencing. Well over 4130 of the total 4276 differentially expressed lncRNAs were already specifically expressed at 12 h postinoculation (hpi), but only 89 of these were specifically expressed at 24 hpi, indicating that the initial stage was the crucial stage for lncRNA-mediated gene regulation of wheat defense against <i>F. graminearum</i>. Target analysis showed the lncRNAs participated in various biological stress processes and had exclusive regulation models at different infection stages. Further H<sub>2</sub>O<sub>2</sub> accumulation and protein ubiquitination assays supported this idea. Moreover, two lncRNAs (XLOC_302848 and XLOC_321638) were identified as Fusarium seedling blight resistance candidates by lncRNA-target expression pattern validation, and two lncRNAs (XLOC_113815, XLOC_123624) were Fusarium head blight resistance potential regulators by cross-validating the RNAseq data with the refined meta-QTL of wheat FHB resistance. These findings extend our knowledge on wheat lncRNAs response to <i>F. graminearum</i> attack and provide new insights for the functional and molecular research of future interactions between wheat and <i>Fusarium</i>.
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spelling doaj.art-2dc580e4380d45a09ee6704fbabdc2192023-11-20T15:19:06ZengMDPI AGGenes2073-44252020-09-011110113510.3390/genes11101135Genome-Wide Identification and Characterization of <i>Fusarium graminearum</i>-Responsive lncRNAs in <i>Triticum aestivum</i>Xiaoxin Duan0Xiushi Song1Jianxin Wang2Mingguo Zhou3Laboratory of Plant Disease Control and Phytopharmacy, College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, ChinaLaboratory of Plant Disease Control and Phytopharmacy, College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, ChinaLaboratory of Plant Disease Control and Phytopharmacy, College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, ChinaLaboratory of Plant Disease Control and Phytopharmacy, College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, ChinaAlthough the war between wheat and <i>Fusarium</i> has been widely investigated for years, long noncoding RNAs (lncRNAs), which have been proven to regulate important processes in the development and stress responses of plants, are still poorly known in wheat against <i>Fusarium.</i> Herein, we systematically reveal the roles of wheat lncRNAs in the process of <i>Fusarium graminearum</i> infection by high-throughput RNA sequencing. Well over 4130 of the total 4276 differentially expressed lncRNAs were already specifically expressed at 12 h postinoculation (hpi), but only 89 of these were specifically expressed at 24 hpi, indicating that the initial stage was the crucial stage for lncRNA-mediated gene regulation of wheat defense against <i>F. graminearum</i>. Target analysis showed the lncRNAs participated in various biological stress processes and had exclusive regulation models at different infection stages. Further H<sub>2</sub>O<sub>2</sub> accumulation and protein ubiquitination assays supported this idea. Moreover, two lncRNAs (XLOC_302848 and XLOC_321638) were identified as Fusarium seedling blight resistance candidates by lncRNA-target expression pattern validation, and two lncRNAs (XLOC_113815, XLOC_123624) were Fusarium head blight resistance potential regulators by cross-validating the RNAseq data with the refined meta-QTL of wheat FHB resistance. These findings extend our knowledge on wheat lncRNAs response to <i>F. graminearum</i> attack and provide new insights for the functional and molecular research of future interactions between wheat and <i>Fusarium</i>.https://www.mdpi.com/2073-4425/11/10/1135wheat<i>Fusarium graminearum</i>lncRNAidentificationmeta-QTL
spellingShingle Xiaoxin Duan
Xiushi Song
Jianxin Wang
Mingguo Zhou
Genome-Wide Identification and Characterization of <i>Fusarium graminearum</i>-Responsive lncRNAs in <i>Triticum aestivum</i>
Genes
wheat
<i>Fusarium graminearum</i>
lncRNA
identification
meta-QTL
title Genome-Wide Identification and Characterization of <i>Fusarium graminearum</i>-Responsive lncRNAs in <i>Triticum aestivum</i>
title_full Genome-Wide Identification and Characterization of <i>Fusarium graminearum</i>-Responsive lncRNAs in <i>Triticum aestivum</i>
title_fullStr Genome-Wide Identification and Characterization of <i>Fusarium graminearum</i>-Responsive lncRNAs in <i>Triticum aestivum</i>
title_full_unstemmed Genome-Wide Identification and Characterization of <i>Fusarium graminearum</i>-Responsive lncRNAs in <i>Triticum aestivum</i>
title_short Genome-Wide Identification and Characterization of <i>Fusarium graminearum</i>-Responsive lncRNAs in <i>Triticum aestivum</i>
title_sort genome wide identification and characterization of i fusarium graminearum i responsive lncrnas in i triticum aestivum i
topic wheat
<i>Fusarium graminearum</i>
lncRNA
identification
meta-QTL
url https://www.mdpi.com/2073-4425/11/10/1135
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AT xiushisong genomewideidentificationandcharacterizationofifusariumgraminearumiresponsivelncrnasinitriticumaestivumi
AT jianxinwang genomewideidentificationandcharacterizationofifusariumgraminearumiresponsivelncrnasinitriticumaestivumi
AT mingguozhou genomewideidentificationandcharacterizationofifusariumgraminearumiresponsivelncrnasinitriticumaestivumi