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231224s2011 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/err147
|2 doi
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|a pubmed24n1333.xml
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|a eng
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|a Sarowar, Sujon
|e verfasserin
|4 aut
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|a Expression profiles of differentially regulated genes during the early stages of apple flower infection with Erwinia amylovora
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|c 2011
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|a Text
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|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 13.02.2012
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|a Date Revised 17.03.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a To identify genes involved in the response to the fire blight pathogen Erwinia amylovora in apple (Malus×domestica), expression profiles were investigated using an apple oligo (70-mer) array representing 40, 000 genes. Blossoms of a fire blight-susceptible apple cultivar Gala were collected from trees growing in the orchard, placed on a tray in the laboratory, and spray-inoculated with a suspension of E. amylovora at a concentration of 10(8) cfu ml(-1). Uninoculated detached flowers served as controls at each time point. Expression profiles were captured at three different time points post-inoculation at 2, 8, and 24 h, together with those at 0 h (uninoculated). A total of about 3500 genes were found to be significantly modulated in response to at least one of the three time points. Among those, a total of 770, 855, and 1002 genes were up-regulated, by 2-fold, at 2, 8, and 24 h following inoculation, respectively; while, 748, 1024, and 1455 genes were down-regulated, by 2-fold, at 2, 8, and 24 h following inoculation, respectively. Over the three time points post-inoculation, 365 genes were commonly up-regulated and 374 genes were commonly down-regulated. Both sets of genes were classified based on their functional categories. The majority of up-regulated genes were involved in metabolism, signal transduction, signalling, transport, and stress response. A number of transcripts encoding proteins/enzymes known to be up-regulated under particular biotic and abiotic stress were also up-regulated following E. amylovora treatment. Those up- or down-regulated genes encode transcription factors, signaling components, defense-related, transporter, and metabolism, all of which have been associated with disease responses in Arabidopsis and rice, suggesting similar response pathways are involved in apple blossoms
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Plant Proteins
|2 NLM
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|a Zhao, Youfu
|e verfasserin
|4 aut
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|a Soria-Guerra, Ruth Elena
|e verfasserin
|4 aut
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|a Ali, Shahjahan
|e verfasserin
|4 aut
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|a Zheng, Danman
|e verfasserin
|4 aut
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|a Wang, Dongping
|e verfasserin
|4 aut
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|a Korban, Schuyler S
|e verfasserin
|4 aut
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 62(2011), 14 vom: 06. Okt., Seite 4851-61
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|x 1460-2431
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|g volume:62
|g year:2011
|g number:14
|g day:06
|g month:10
|g pages:4851-61
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|u http://dx.doi.org/10.1093/jxb/err147
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