Characterization of Citrus sinensis transcription factors closely associated with the non-host response to Xanthomonas campestris pv. vesicatoria.
Identifieur interne : 000F26 ( Main/Curation ); précédent : 000F25; suivant : 000F27Characterization of Citrus sinensis transcription factors closely associated with the non-host response to Xanthomonas campestris pv. vesicatoria.
Auteurs : Lucas D. Daurelio [Argentine] ; María S. Romero ; Silvana Petrocelli ; Paz Merelo ; Adriana A. Cortadi ; Manuel Tal N ; Francisco R. Tadeo ; Elena G. OrellanoSource :
- Journal of plant physiology [ 1618-1328 ] ; 2013.
English descriptors
- KwdEn :
- Alleles, Cell Death, Citrus sinensis (cytology), Citrus sinensis (genetics), Citrus sinensis (metabolism), Citrus sinensis (microbiology), Expressed Sequence Tags, Gene Expression Profiling, Gene Expression Regulation, Plant, Genes, Plant (genetics), Host-Pathogen Interactions (genetics), Plant Leaves (cytology), Plant Leaves (genetics), Plant Leaves (microbiology), Plant Proteins (genetics), Plant Proteins (metabolism), Stress, Physiological (genetics), Transcription Factors (metabolism), Xanthomonas campestris (physiology).
- MESH :
- chemical , genetics : Plant Proteins.
- cytology : Citrus sinensis, Plant Leaves.
- genetics : Citrus sinensis, Genes, Plant, Host-Pathogen Interactions, Plant Leaves, Stress, Physiological.
- metabolism : Citrus sinensis, Plant Proteins, Transcription Factors.
- microbiology : Citrus sinensis, Plant Leaves.
- physiology : Xanthomonas campestris.
- Alleles, Cell Death, Expressed Sequence Tags, Gene Expression Profiling, Gene Expression Regulation, Plant.
Abstract
Plants, when exposed to certain pathogens, may display a form of genotype-independent resistance, known as non-host response. In this study, the response of Citrus sinensis (sweet orange) leaves to Xanthomonas campestris pv. vesicatoria (Xcv), a pepper and tomato pathogenic bacterium, was analyzed through biochemical assays and cDNA microarray hybridization and compared with Asiatic citrus canker infection caused by Xanthomonas citri subsp. citri. Citrus leaves exposed to the non-host bacterium Xcv showed hypersensitive response (HR) symptoms (cell death), a defense mechanism common in plants but poorly understood in citrus. The HR response was accompanied by differentially expressed genes that are associated with biotic stress and cell death. Moreover, 58 transcription factors (TFs) were differentially regulated by Xcv in citrus leaves, including 26 TFs from the stress-associated families AP2-EREBP, bZip, Myb and WRKY. Remarkably, in silico analysis of the distribution of expressed sequence tags revealed that 10 of the 58 TFs, belonging to C2C2-GATA, C2H2, CCAAT, HSF, NAC and WRKY gene families, were specifically over-represented in citrus stress cDNA libraries. This study identified candidate TF genes for the regulation of key steps during the citrus non-host HR. Furthermore, these TFs might be useful in future strategies of molecular breeding for citrus disease resistance.
DOI: 10.1016/j.jplph.2013.01.011
PubMed: 23453188
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Romero</name></author><author><name sortKey="Petrocelli, Silvana" sort="Petrocelli, Silvana" uniqKey="Petrocelli S" first="Silvana" last="Petrocelli">Silvana Petrocelli</name></author><author><name sortKey="Merelo, Paz" sort="Merelo, Paz" uniqKey="Merelo P" first="Paz" last="Merelo">Paz Merelo</name></author><author><name sortKey="Cortadi, Adriana A" sort="Cortadi, Adriana A" uniqKey="Cortadi A" first="Adriana A" last="Cortadi">Adriana A. Cortadi</name></author><author><name sortKey="Tal N, Manuel" sort="Tal N, Manuel" uniqKey="Tal N M" first="Manuel" last="Tal N">Manuel Tal N</name></author><author><name sortKey="Tadeo, Francisco R" sort="Tadeo, Francisco R" uniqKey="Tadeo F" first="Francisco R" last="Tadeo">Francisco R. Tadeo</name></author><author><name sortKey="Orellano, Elena G" sort="Orellano, Elena G" uniqKey="Orellano E" first="Elena G" last="Orellano">Elena G. Orellano</name></author></analytic><series><title level="j">Journal of plant physiology</title><idno type="eISSN">1618-1328</idno><imprint><date when="2013" type="published">2013</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Alleles</term><term>Cell Death</term><term>Citrus sinensis (cytology)</term><term>Citrus sinensis (genetics)</term><term>Citrus sinensis (metabolism)</term><term>Citrus sinensis (microbiology)</term><term>Expressed Sequence Tags</term><term>Gene Expression Profiling</term><term>Gene Expression Regulation, Plant</term><term>Genes, Plant (genetics)</term><term>Host-Pathogen Interactions (genetics)</term><term>Plant Leaves (cytology)</term><term>Plant Leaves (genetics)</term><term>Plant Leaves (microbiology)</term><term>Plant Proteins (genetics)</term><term>Plant Proteins (metabolism)</term><term>Stress, Physiological (genetics)</term><term>Transcription Factors (metabolism)</term><term>Xanthomonas campestris (physiology)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="genetics" xml:lang="en"><term>Plant Proteins</term></keywords><keywords scheme="MESH" qualifier="cytology" xml:lang="en"><term>Citrus sinensis</term><term>Plant Leaves</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Citrus sinensis</term><term>Genes, Plant</term><term>Host-Pathogen Interactions</term><term>Plant Leaves</term><term>Stress, Physiological</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Citrus sinensis</term><term>Plant Proteins</term><term>Transcription Factors</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Citrus sinensis</term><term>Plant Leaves</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Xanthomonas campestris</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Alleles</term><term>Cell Death</term><term>Expressed Sequence Tags</term><term>Gene Expression Profiling</term><term>Gene Expression Regulation, Plant</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Plants, when exposed to certain pathogens, may display a form of genotype-independent resistance, known as non-host response. In this study, the response of Citrus sinensis (sweet orange) leaves to Xanthomonas campestris pv. vesicatoria (Xcv), a pepper and tomato pathogenic bacterium, was analyzed through biochemical assays and cDNA microarray hybridization and compared with Asiatic citrus canker infection caused by Xanthomonas citri subsp. citri. Citrus leaves exposed to the non-host bacterium Xcv showed hypersensitive response (HR) symptoms (cell death), a defense mechanism common in plants but poorly understood in citrus. The HR response was accompanied by differentially expressed genes that are associated with biotic stress and cell death. Moreover, 58 transcription factors (TFs) were differentially regulated by Xcv in citrus leaves, including 26 TFs from the stress-associated families AP2-EREBP, bZip, Myb and WRKY. Remarkably, in silico analysis of the distribution of expressed sequence tags revealed that 10 of the 58 TFs, belonging to C2C2-GATA, C2H2, CCAAT, HSF, NAC and WRKY gene families, were specifically over-represented in citrus stress cDNA libraries. This study identified candidate TF genes for the regulation of key steps during the citrus non-host HR. Furthermore, these TFs might be useful in future strategies of molecular breeding for citrus disease resistance.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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