GDSL lipase 1 regulates ethylene signaling and ethylene‐associated systemic immunity in <i>Arabidopsis</i>

Kim, Hye Gi; Kwon, Sung-Kyu; Jang, Young Jin; Chung, Joo Hee; Nam, Myung Hee; Park, Ohkmae K.

doi:10.1016/j.febslet.2014.02.062

Cited by 42 publications

(38 citation statements)

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“…They include genes like PDF1.2 and MLO12, which are known to be involved in innate immune response and defense against pathogens [37,38]. We also found TIR-NBS-LRR class of proteins, which have been implicated in pathogen sensing and defense response in plants [39], as well as many receptor like kinases known to be involved in plant defense signalling.…”

Section: Discussionmentioning

confidence: 86%

Transcriptome Analysis of Arabidopsis GCR1 Mutant Reveals Its Roles in Stress, Hormones, Secondary Metabolism and Phosphate Starvation

et al. 2015

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The controversy over the existence or the need for G-protein coupled receptors (GPCRs) in plant G-protein signalling has overshadowed a more fundamental quest for the role of AtGCR1, the most studied and often considered the best candidate for GPCR in plants. Our whole transcriptome microarray analysis of the GCR1-knock-out mutant (gcr1-5) in Arabidopsis thaliana revealed 350 differentially expressed genes spanning all chromosomes. Many of them were hitherto unknown in the context of GCR1 or G-protein signalling, such as in phosphate starvation, storage compound and fatty acid biosynthesis, cell fate, etc. We also found some GCR1-responsive genes/processes that are reported to be regulated by heterotrimeric G-proteins, such as biotic and abiotic stress, hormone response and secondary metabolism. Thus, GCR1 could have G-protein-mediated as well as independent roles and regardless of whether it works as a GPCR, further analysis of the organism-wide role of GCR1 has a significance of its own.

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Section: Discussionmentioning

confidence: 86%

Transcriptome Analysis of Arabidopsis GCR1 Mutant Reveals Its Roles in Stress, Hormones, Secondary Metabolism and Phosphate Starvation

et al. 2015

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“…Arabidopsis GDSL lipase 1 (GLIP1) was found to be an important regulator of plant immune responses (Kwon et al ., ; Kim et al ., , ). Here, the expression of miR164c , identified by microarray analysis, was correlated with GLIP1 .…”

Section: Introductionmentioning

confidence: 99%

An Arabidopsis NAC transcription factor NAC4 promotes pathogen‐induced cell death under negative regulation by microRNA164

et al. 2016

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Hypersensitive response (HR) is a form of programmed cell death (PCD) and the primary immune response that prevents pathogen invasion in plants. Here, we show that a microRNAmiR164 and its target gene NAC4 (At5g07680), encoding a NAC transcription factor, play essential roles in the regulation of HR PCD in Arabidopsis thaliana. Cell death symptoms were noticeably enhanced in NAC4-overexpressing (35S:NAC4) and mir164 mutant plants in response to avirulent bacterial pathogens. NAC4 expression was induced by pathogen infection and negatively regulated by miR164 expression. NAC4-binding DNA sequences were determined by in vitro binding site selection using random oligonucleotide sequences. Microarray, chromatin immunoprecipitation and quantitative real time polymerase chain reaction (qRT-PCR) analyses, followed by cell death assays in protoplasts, led to the identification of NAC4 target genes LURP1, WRKY40 and WRKY54, which act as negative regulators of cell death. Our results suggest that NAC4 promotes hypersensitive cell death by suppressing its target genes and this immune process is fine-tuned by the negative action of miR164.

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“…They participate in a range of processes, including the hydration of pollen on the stigma (Updegraff, Zhao, & Preuss, ), germination (Clauss, Baumert, Nimtz, Milkowski, & Strack, ), lipid metabolism (Clauss et al., ), and cutin deposition (Girard et al., ; Hong, Brown, Segerson, Rose, & Roeder, ). They also function in the response to both biotic and abiotic stress (Kim et al., ).…”

Section: Introductionmentioning

confidence: 99%

A GDSL‐motif esterase/acyltransferase/lipase is responsible for leaf water retention in barley

Chen

Mishina

et al. 2017

Plant Direct

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The hydrophobic cuticle covers the surface of the most aerial organs of land plants.The barley mutant eceriferum-zv (cer-zv), which is hypersensitive to drought, is unable to accumulate a sufficient quantity of cutin in its leaf cuticle. The mutated locus has been mapped to a 0.02 cM segment in the pericentromeric region of chromosome 4H. As a map-based cloning approach to isolate the gene was therefore considered unlikely to be feasible, a comparison was instead made between the transcriptomes of the mutant and the wild type. In conjunction with extant genomic information, on the basis of predicted functionality, only two genes were considered likely to encode a product associated with cutin formation. When eight independent cer-zv mutant alleles were resequenced with respect to the two candidate genes, it was confirmed that the gene underlying the mutation in each allele encodes a Gly-Asp-Ser-Leu (GDSL)-motif esterase/acyltransferase/lipase. The gene was transcribed in the epidermis, and its product was exclusively deposited in cell wall at the boundary of the cuticle in the leaf elongation zone, coinciding with the major site of cutin deposition. CER-ZV is speculated to function in the deposition of cutin polymer. Its homologs were found in green algae, moss, and euphyllophytes, indicating that it is highly conserved in plant kingdom. K E Y W O R D Sabiotic stress, cell walls, cuticle/waxes, drought/water stress *These authors contributed equally to this work.--

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GDSL lipase 1 regulates ethylene signaling and ethylene‐associated systemic immunity in Arabidopsis

Cited by 42 publications

References 44 publications

Transcriptome Analysis of Arabidopsis GCR1 Mutant Reveals Its Roles in Stress, Hormones, Secondary Metabolism and Phosphate Starvation

Transcriptome Analysis of Arabidopsis GCR1 Mutant Reveals Its Roles in Stress, Hormones, Secondary Metabolism and Phosphate Starvation

An Arabidopsis NAC transcription factor NAC4 promotes pathogen‐induced cell death under negative regulation by microRNA164

A GDSL‐motif esterase/acyltransferase/lipase is responsible for leaf water retention in barley

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