Transcriptomic Analysis and the Expression of Disease-Resistant Genes in Oryza meyeriana under Native Condition.
Identifieur interne : 000442 ( Main/Exploration ); précédent : 000441; suivant : 000443Transcriptomic Analysis and the Expression of Disease-Resistant Genes in Oryza meyeriana under Native Condition.
Auteurs : Bin He [République populaire de Chine] ; Xiang Tao [République populaire de Chine] ; Yinghong Gu [République populaire de Chine] ; Changhe Wei [République populaire de Chine] ; Xiaojie Cheng [République populaire de Chine] ; Suqin Xiao [République populaire de Chine] ; Zaiquan Cheng [République populaire de Chine] ; Yizheng Zhang [République populaire de Chine]Source :
- PloS one [ 1932-6203 ] ; 2015.
Descripteurs français
- KwdFr :
- ADN des plantes (génétique), Analyse de profil d'expression de gènes (MeSH), Analyse de séquence d'ADN (MeSH), Feuilles de plante (génétique), Maladies des plantes (microbiologie), Maladies des plantes (parasitologie), Maladies des plantes (virologie), Oryza (génétique), Racines de plante (génétique), Régulation de l'expression des gènes végétaux (MeSH), Résistance à la maladie (génétique), Séquence nucléotidique (MeSH), Tiges de plante (génétique).
- MESH :
- génétique : ADN des plantes, Feuilles de plante, Oryza, Racines de plante, Résistance à la maladie, Tiges de plante.
- microbiologie : Maladies des plantes.
- parasitologie : Maladies des plantes.
- virologie : Maladies des plantes.
- Analyse de profil d'expression de gènes, Analyse de séquence d'ADN, Régulation de l'expression des gènes végétaux, Séquence nucléotidique.
English descriptors
- KwdEn :
- Base Sequence (MeSH), DNA, Plant (genetics), Disease Resistance (genetics), Gene Expression Profiling (MeSH), Gene Expression Regulation, Plant (MeSH), Oryza (genetics), Plant Diseases (microbiology), Plant Diseases (parasitology), Plant Diseases (virology), Plant Leaves (genetics), Plant Roots (genetics), Plant Stems (genetics), Sequence Analysis, DNA (MeSH).
- MESH :
- chemical , genetics : DNA, Plant.
- genetics : Disease Resistance, Oryza, Plant Leaves, Plant Roots, Plant Stems.
- microbiology : Plant Diseases.
- parasitology : Plant Diseases.
- virology : Plant Diseases.
- Base Sequence, Gene Expression Profiling, Gene Expression Regulation, Plant, Sequence Analysis, DNA.
Abstract
Oryza meyeriana (O. meyeriana), with a GG genome type (2n = 24), accumulated plentiful excellent characteristics with respect to resistance to many diseases such as rice shade and blast, even immunity to bacterial blight. It is very important to know if the diseases-resistant genes exist and express in this wild rice under native conditions. However, limited genomic or transcriptomic data of O. meyeriana are currently available. In this study, we present the first comprehensive characterization of the O. meyeriana transcriptome using RNA-seq and obtained 185,323 contigs with an average length of 1,692 bp and an N50 of 2,391 bp. Through differential expression analysis, it was found that there were most tissue-specifically expressed genes in roots, and next to stems and leaves. By similarity search against protein databases, 146,450 had at least a significant alignment to existed gene models. Comparison with the Oryza sativa (japonica-type Nipponbare and indica-type 93-11) genomes revealed that 13% of the O. meyeriana contigs had not been detected in O. sativa. Many diseases-resistant genes, such as bacterial blight resistant, blast resistant, rust resistant, fusarium resistant, cyst nematode resistant and downy mildew gene, were mined from the transcriptomic database. There are two kinds of rice bacterial blight-resistant genes (Xa1 and Xa26) differentially or specifically expressed in O. meyeriana. The 4 Xa1 contigs were all only expressed in root, while three of Xa26 contigs have the highest expression level in leaves, two of Xa26 contigs have the highest expression profile in stems and one of Xa26 contigs was expressed dominantly in roots. The transcriptomic database of O. meyeriana has been constructed and many diseases-resistant genes were found to express under native condition, which provides a foundation for future discovery of a number of novel genes and provides a basis for studying the molecular mechanisms associated with disease resistance in O. meyeriana.
DOI: 10.1371/journal.pone.0144518
PubMed: 26640944
PubMed Central: PMC4671656
Affiliations:
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Le document en format XML
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<term>DNA, Plant (genetics)</term>
<term>Disease Resistance (genetics)</term>
<term>Gene Expression Profiling (MeSH)</term>
<term>Gene Expression Regulation, Plant (MeSH)</term>
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<term>Plant Diseases (microbiology)</term>
<term>Plant Diseases (parasitology)</term>
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<term>Analyse de profil d'expression de gènes (MeSH)</term>
<term>Analyse de séquence d'ADN (MeSH)</term>
<term>Feuilles de plante (génétique)</term>
<term>Maladies des plantes (microbiologie)</term>
<term>Maladies des plantes (parasitologie)</term>
<term>Maladies des plantes (virologie)</term>
<term>Oryza (génétique)</term>
<term>Racines de plante (génétique)</term>
<term>Régulation de l'expression des gènes végétaux (MeSH)</term>
<term>Résistance à la maladie (génétique)</term>
<term>Séquence nucléotidique (MeSH)</term>
<term>Tiges de plante (génétique)</term>
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<term>Oryza</term>
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<term>Racines de plante</term>
<term>Résistance à la maladie</term>
<term>Tiges de plante</term>
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</keywords>
<keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Plant Diseases</term>
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<front><div type="abstract" xml:lang="en">Oryza meyeriana (O. meyeriana), with a GG genome type (2n = 24), accumulated plentiful excellent characteristics with respect to resistance to many diseases such as rice shade and blast, even immunity to bacterial blight. It is very important to know if the diseases-resistant genes exist and express in this wild rice under native conditions. However, limited genomic or transcriptomic data of O. meyeriana are currently available. In this study, we present the first comprehensive characterization of the O. meyeriana transcriptome using RNA-seq and obtained 185,323 contigs with an average length of 1,692 bp and an N50 of 2,391 bp. Through differential expression analysis, it was found that there were most tissue-specifically expressed genes in roots, and next to stems and leaves. By similarity search against protein databases, 146,450 had at least a significant alignment to existed gene models. Comparison with the Oryza sativa (japonica-type Nipponbare and indica-type 93-11) genomes revealed that 13% of the O. meyeriana contigs had not been detected in O. sativa. Many diseases-resistant genes, such as bacterial blight resistant, blast resistant, rust resistant, fusarium resistant, cyst nematode resistant and downy mildew gene, were mined from the transcriptomic database. There are two kinds of rice bacterial blight-resistant genes (Xa1 and Xa26) differentially or specifically expressed in O. meyeriana. The 4 Xa1 contigs were all only expressed in root, while three of Xa26 contigs have the highest expression level in leaves, two of Xa26 contigs have the highest expression profile in stems and one of Xa26 contigs was expressed dominantly in roots. The transcriptomic database of O. meyeriana has been constructed and many diseases-resistant genes were found to express under native condition, which provides a foundation for future discovery of a number of novel genes and provides a basis for studying the molecular mechanisms associated with disease resistance in O. meyeriana. </div>
</front>
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<Month>06</Month>
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<ArticleTitle>Transcriptomic Analysis and the Expression of Disease-Resistant Genes in Oryza meyeriana under Native Condition.</ArticleTitle>
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<Abstract><AbstractText>Oryza meyeriana (O. meyeriana), with a GG genome type (2n = 24), accumulated plentiful excellent characteristics with respect to resistance to many diseases such as rice shade and blast, even immunity to bacterial blight. It is very important to know if the diseases-resistant genes exist and express in this wild rice under native conditions. However, limited genomic or transcriptomic data of O. meyeriana are currently available. In this study, we present the first comprehensive characterization of the O. meyeriana transcriptome using RNA-seq and obtained 185,323 contigs with an average length of 1,692 bp and an N50 of 2,391 bp. Through differential expression analysis, it was found that there were most tissue-specifically expressed genes in roots, and next to stems and leaves. By similarity search against protein databases, 146,450 had at least a significant alignment to existed gene models. Comparison with the Oryza sativa (japonica-type Nipponbare and indica-type 93-11) genomes revealed that 13% of the O. meyeriana contigs had not been detected in O. sativa. Many diseases-resistant genes, such as bacterial blight resistant, blast resistant, rust resistant, fusarium resistant, cyst nematode resistant and downy mildew gene, were mined from the transcriptomic database. There are two kinds of rice bacterial blight-resistant genes (Xa1 and Xa26) differentially or specifically expressed in O. meyeriana. The 4 Xa1 contigs were all only expressed in root, while three of Xa26 contigs have the highest expression level in leaves, two of Xa26 contigs have the highest expression profile in stems and one of Xa26 contigs was expressed dominantly in roots. The transcriptomic database of O. meyeriana has been constructed and many diseases-resistant genes were found to express under native condition, which provides a foundation for future discovery of a number of novel genes and provides a basis for studying the molecular mechanisms associated with disease resistance in O. meyeriana. </AbstractText>
</Abstract>
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<Author ValidYN="Y"><LastName>Gu</LastName>
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<Author ValidYN="Y"><LastName>Xiao</LastName>
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<Initials>S</Initials>
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