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Accession IconSRP071314

Transcriptome profile of rice genotypes IR24 and IRBB67 in interaction with Xanthomonas oryzae pv. oryzae under two temperature regimes

Organism Icon Oryza sativa
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Technology Badge IconIllumina HiSeq 2000

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We report about the effects of temperature increase on rice response to Xanthomonas oryzae pv. oryzae using high throughput sequencing (RNA-Seq). The time course transcriptomic analysis revealed that temperature enhanced IRBB67 resistance to combined heat and Xoo. Our findings highlight altered cellular compartment by Xoo and heat stress in both susceptible (IR24) and the resistant (IRBB67). Interestingly, up-regulation of trehalose-6-phosphatase gene and low affinity cation transporter in IRBB67 suggest that IRBB67 maintained a certain homeostasis under high temperature to have its resistance enhanced. The interplay of both heat stress and Xoo responses as determined by up-regulated and down-regulated genes demonstrates how resistant plant cope with combined biotic and abiotic stresses. This study provides an understanding of how IRBB67 mediated resistance to Xoo under temperature get insight to cross talk in abiotic and biotic stress regulatory pathway. Overall design: Leaf mRNA profile of 21 days old plants of IR24 (susceptible) and IRBB67 (resistant) inoculated with Xanthomonas oryzae pv. oryzae strain PXO145 under two temperature regimes. Samples were collected at three time points (3hours post inoculation, hpi; 72 hpi and 120 hpi).
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