Identification of jasmonic acid-associated microRNAs and characterization of the regulatory roles of the miR319/TCP4 module under root-knot nematode stress in tomato

Zhao, Wenchao; Li, Zilong; Fan, Jingwei; Hu, Canli; Yang, Rui; Qi, Xin; Chen, Hua; Zhao, Fukuan; Wang, Shaohui

doi:10.1093/jxb/erv238

Cited by 122 publications

(92 citation statements)

References 72 publications

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“…The JA signaling pathway is a potent mechanism 439 employed by plants that can defend against necrotrophic and hemibiotrophic pathogens, 440 including the blast pathogen (Thaler, Humphrey et al 2012, Tamaoki, Seo et al 2013 Ding et al 2016). In tomato, miR319 behaves as a systemic signal and a negative regulator of 442 defense responses against RKN through decreasing the JA level (Zhao, Li et al 2015 (Zhang, Ding et al 2016). In our study, JA signaling was induced at the early 446 stage but declined at the late stage (Supplemental Figure S2), which matched the expression 447 pattern of miR319 very well ( Figure 1C).…”

Section: Guy11 Infection Induces Mir319b and Inhibits Ja-mediated Defmentioning

confidence: 99%

Magnaporthe oryzae Induces the Expression of a MicroRNA to Suppress the Immune Response in Rice

et al. 2018

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Section: Guy11 Infection Induces Mir319b and Inhibits Ja-mediated Defmentioning

confidence: 99%

Magnaporthe oryzae Induces the Expression of a MicroRNA to Suppress the Immune Response in Rice

et al. 2018

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“…However, the local and systemic accumulation of the wound-responsive proteinase inhibitors and other proteins upon infection of tomato roots by RKNs (39,44) suggest that even nematodes with a stealthy host invasion strategy cause local injury, which subsequently activates defense signaling across compartments. Recently, the screening of miRNA libraries from wild type and the JA-deficient tomato mutant spr2 showed that miR319 targets TCP4 (TEOSINTE BRANCHED1/CYCLOIDAE/PROLIFERATING CELL FACTOR 4) upon RKN infection of the roots (176). Changes may still occur before final publication online and in print that miR319 acts as a systemic signal responder and regulator that connects roots and shoots via its transport in the phloem (Figure 1b).…”

Section: Cross-compartment Signaling and Interactions Induced By Belomentioning

confidence: 99%

Plant-Mediated Systemic Interactions Between Pathogens, Parasitic Nematodes, and Herbivores Above- and Belowground

Biere

Goverse

2016

Annu. Rev. Phytopathol.

101

105

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Plants are important mediators of interactions between aboveground (AG) and belowground (BG) pathogens, arthropod herbivores, and nematodes (phytophages). We highlight recent progress in our understanding of within- and cross-compartment plant responses to these groups of phytophages in terms of altered resource dynamics and defense signaling and activation. We review studies documenting the outcome of cross-compartment interactions between these phytophage groups and show patterns of cross-compartment facilitation as well as cross-compartment induced resistance. Studies involving soilborne pathogens and foliar nematodes are scant. We further highlight the important role of defense signaling loops between shoots and roots to activate a full resistance complement. Moreover, manipulation of such loops by phytophages affects systemic interactions with other plant feeders. Finally, cross-compartment-induced changes in root defenses and root exudates extend systemic defense loops into the rhizosphere, enhancing or reducing recruitment of microbes that induce systemic resistance but also affecting interactions with root-feeding phytophages.

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“…Several studies hitherto have been conducted on the development of strategies and identification of miRNA targets to control plant-parasitic nematodes [14,15,16]. In the context of PPNs, the availability of the whole genome sequence of M. incognita [17] has led to several investigations focusing on elucidating potential miRNAs that can be used to control the pest in plants.…”

Section: Introductionmentioning

confidence: 99%

Stage-Wise Identification and Analysis of miRNA from Root-Knot Nematode Meloidogyne incognita

Subramanian

Choi

Mani

et al. 2016

IJMS

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In this study, we investigated global changes in miRNAs of Meloidogyne incognita throughout its life cycle. Small RNA sequencing resulted in approximately 62, 38, 38, 35, and 39 Mb reads in the egg, J2, J3, J4, and female stages, respectively. Overall, we identified 2724 known and 383 novel miRNAs (read count > 10) from all stages, of which 169 known and 13 novel miRNA were common to all the five stages. Among the stage-specific miRNAs, miR-286 was highly expressed in eggs, miR-2401 in J2, miR-8 and miR-187 in J3, miR-6736 in J4, and miR-17 in the female stages. These miRNAs are reported to be involved in embryo and neural development, muscular function, and control of apoptosis. Cluster analysis indicated the presence of 91 miRNA clusters, of which 36 clusters were novel and identified in this study. Comparison of miRNA families with other nematodes showed 17 families to be commonly absent in animal parasitic nematodes and M. incognita. Validation of 43 predicted common and stage-specific miRNA by quantitative PCR (qPCR) indicated their expression in the nematode. Stage-wise exploration of M. incognita miRNAs has not been carried out before and this work presents information on common and stage-specific miRNAs of the root-knot nematode.

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Identification of jasmonic acid-associated microRNAs and characterization of the regulatory roles of the miR319/TCP4 module under root-knot nematode stress in tomato

Abstract: HighlightScreening revealed that the action of miR319/TCP4 in serving as a systemic defensive responder and regulator that modulated the RKN systemic defensive response was mediated via JA.

Cited by 122 publications

References 72 publications

Magnaporthe oryzae Induces the Expression of a MicroRNA to Suppress the Immune Response in Rice

Magnaporthe oryzae Induces the Expression of a MicroRNA to Suppress the Immune Response in Rice

Plant-Mediated Systemic Interactions Between Pathogens, Parasitic Nematodes, and Herbivores Above- and Belowground

Stage-Wise Identification and Analysis of miRNA from Root-Knot Nematode Meloidogyne incognita

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