AI Article Synopsis
- - The study focuses on the broad-spectrum resistance gene in rice that helps it fend off multiple pathogen isolates, specifically in the rice line Taipei309, which was analyzed 24 hours after exposure to the pathogen.
- - A total of 222 known miRNAs were identified, with 29 miRNAs being activated and 24 suppressed in the resistant rice line, and it was found that certain defense-related genes were up-regulated.
- - The research highlights the role of various miRNAs in the rice immune response, showing their involvement in hormone signaling and the interaction between pathogen and host, thereby enhancing resistance against disease.
Article Abstract
The broad-spectrum resistance gene confers resistance to multiple isolates of in rice. In order to decipher the molecular mechanism underlying the mediated resistance in rice line Taipei309 (carrying ), miRNAome study was performed at 24 h post-inoculation (hpi) with . A total of 222 known miRNAs representing 101 miRNA families were found in this study. Of these, 29 and 24 miRNAs were respectively up- and down-regulated in the resistant Taipei309 . Defence response () genes, like, , and , and genes related to transcription factors were up-regulated in Taipei309 line. The vast array of miRNA candidates identified here are miR159c, miR167c, miR2100, miR2118o, miR2118l, miR319a, miR393, miR395l, miR397a, miR397b, miR398, miR439g, miR531b, miR812f, and miR815c, and they manifest their role in balancing the interplay between various genes during mediated resistance. We also validated miRNA/target gene pairs involved in hormone signalling, and cross-talk among hormone pathways regulating the rice immunity. This study suggests that the gene mediated blast resistance is influenced by several microRNAs through PTI and ETI components in the rice line Taipei309 , leading to incompatible host-pathogen interaction.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7981355 | PMC |
| http://dx.doi.org/10.1007/s12298-021-00960-0 | DOI Listing |
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