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Accession IconSRP201971

RNA-seq analysis of transcriptome reprofiling triggered by different pattern-recognition receptor types

Organism Icon Arabidopsis thaliana
Sample Icon 47 Downloadable Samples
Technology Badge IconIllumina HiSeq 2000

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Plant cell surface receptors sense microbial pathogens by recognizing microbial structures called pathogen or microbe-associated molecular patterns (PAMPs/MAMPs). There are two major types of plant pattern recognition receptors: 1. Leucine-rich repeat receptor proteins (LRR-RP) and LRR receptor kinases (LRR-RK) and 2. Plant receptor proteins and receptor kinases carrying ectopic lysin motifs (LysM-RP and LysM-RK). In this study, Arabidopsis thaliana responses to three different MAMPs, flg22, nlp20, chitin (C6), via their corresponding receptor types, FLS2 (LRR-RK), RLP23 (LRR-RP), CERK1 (LysM-RK) were compared. Our RNA-seq results indicate that a core set of defense-related genes can be activated through perception of different MAMPs. However, there are also notable differences in the transcriptional changes in response to the various elicitors; flg22 causes broader transcriptome changes than nlp20 and C6, and C6 does not cause late transcriptome changes. Overall design: Arabodopsis seedings were treated with water, flg22, nlp20, or C6 and collected after 1h, 6h and 24h. One sample before treatment was also collected. 4 biological repecates were performed.
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