A5039081067- Plant-Microbe Interactions and Immunity
- Plant Pathogenic Bacteria Studies
- Plant Stress Responses and Tolerance
- Plant Parasitism and Resistance
- Legume Nitrogen Fixing Symbiosis
- Plant Virus Research Studies
- Plant tissue culture and regeneration
- Photosynthetic Processes and Mechanisms
- Plant pathogens and resistance mechanisms
- Plant Molecular Biology Research
- Nematode management and characterization studies
- Pelvic and Acetabular Injuries
- Transgenic Plants and Applications
- Plant Gene Expression Analysis
- Plant Genetic and Mutation Studies
- Plant Pathogens and Fungal Diseases
- CNS Lymphoma Diagnosis and Treatment
- Spinal Fractures and Fixation Techniques
- Studies on Chitinases and Chitosanases
- Antimicrobial Peptides and Activities
- Spine and Intervertebral Disc Pathology
- Agricultural pest management studies
- Animal Genetics and Reproduction
- Lipid metabolism and biosynthesis
- Antioxidant Activity and Oxidative Stress
Dong-A University
2016-2025
University of Chicago
2007-2020
Korea University
1999-2013
University of Minnesota
2009
Oak Ridge National Laboratory
2009
Soonchunhyang University
2002
Samsung Medical Center
2001
Sungkyunkwan University
2001
Plants possess inducible systemic defense responses when locally infected by pathogens. Bacterial infection results in the increased accumulation of mobile metabolite azelaic acid, a nine-carbon dicarboxylic vascular sap Arabidopsis that confers local and resistance against pathogen Pseudomonas syringae. Azelaic acid primes plants to accumulate salicylic (SA), known signal, upon infection. Mutation AZELAIC ACID INDUCED 1 (AZI1) gene, which is induced specific loss immunity triggered or...
The three cDNA clones, CALTPI, CALTPII, and CALTPIII, corresponding to pepper lipid transfer protein (LTP) genes were isolated from a (Capsicum annuum) library hypersensitive response (HR) lesions of leaves infected with Xanthomonas campestris pv. vesicatoria. CALTP are well conserved in their coding region 57-72% identity at the amino acid level, but display 72-83% nucleotide sequence level. transcripts differentially accumulated leaf, stem, fruit tissues by X. vesicatoria, Phytophthora...
The carotenoid biosynthetic pathway was genetically manipulated using the recombinant PAC (Phytoene synthase-2A-Carotene desaturase) gene in Korean soybean (Glycine max L. cv. Kwangan). linked to either β-conglycinin (β) or CaMV-35S (35S) promoter generate β-PAC and 35S-PAC constructs, respectively. A total of 37 transgenic lines (19 for 18 35S-PAC) were obtained through Agrobacterium-mediated transformation modified half-seed method. multi-copy insertion transgene determined by genomic...
Nonsense-mediated mRNA decay (NMD), an quality control process, is thought to function in plant immunity. A subset of fully spliced (FS) transcripts Arabidopsis (Arabidopsis thaliana) resistance (R) genes are upregulated during bacterial infection. Here, we report that 81.2% and 65.1% FS natural TIR-NBS-LRR (TNL) CC-NBS-LRR transcripts, respectively, retain characteristics NMD regulation, as their transcript levels could be controlled posttranscriptionally. Both infection the perception...
Pepper ascorbate peroxidase-like (CAPOA1), thioredoxin (CAPOT1), and (CAPO1) clones were isolated from pepper leaves inoculated with avirulent strain Bv5-4a of Xanthomonas campestris pv. vesicatoria. CAPOA1, CAPOT1, CAPO1 mRNA disappeared 18 to 30 h after the bacterial infection when hypersensitive response (HR) was visible. In contrast, peroxidase activity reached a peak at then declined 24 H 2 O accumulation level maximal. These results suggest that striking strong decrease in during...
Specific cDNAs showing differential expression in bacteria-infected pepper leaves as opposed to healthy were isolated from a cDNA library hypersensitive response (HR) lesions of infected with an avirulent strain Xanthomonas campestris pv. vesicatoria. Among total 282 clones tested, 36 individual genes (13%) hybridized strongly or differentially the probes leaves. Ten Capsicum annuum-induced (CAI) encoding putative thionin, lipid transfer protein I and II, osmotin (PR-5), class chitinase,...
Arabidopsis dnd1 and dnd2 mutants lack cyclic nucleotide-gated ion channel proteins carry out avirulence or resistance gene-mediated defense with a greatly reduced hypersensitive response (HR). They also exhibit elevated broad-spectrum disease constitutively salicylic acid (SA) levels. We examined the contributions of NPR1, SID2 (EDS16), NDR1, EIN2 to dnd phenotypes. Mutations that affect SA accumulation signaling (sid2, npr1, ndr1) abolished enhanced against Pseudomonas syringae pv. tomato...
Robust immunity requires basal defense machinery to mediate timely responses and feedback cycles amplify defenses against potentially spreading infections. AGD2-LIKE DEFENSE RESPONSE PROTEIN 1 (ALD1) is needed for the accumulation of plant signal salicylic acid (SA) during first hours after infection with pathogen Pseudomonas syringae also upregulated by SA. ALD1 an aminotransferase multiple substrates products in vitro. Pipecolic (Pip) ALD1-dependent bioactive product induced P. syringae....
Soybean is a major crop that used as source of vegetable oil for human use. To develop transgenic soybean with high α-linolenic acid (ALA; 18:3) content, the FAD3-1 gene isolated from lesquerella (Physaria fendleri) was to construct vectors two different seed-specific promoters, β-conglycinin (Pβ-con) and kidney bean phaseolin (Pphas), one constitutive cauliflower mosaic virus 35S promoter (P35S). The corresponding were Agrobacterium-mediated transformation imbibed mature half seeds....
Abiotic stresses significantly impact agricultural productivity and food security. Innovative strategies, including the use of plant-derived compounds plant growth-promoting rhizobacteria (PGPR), are necessary to enhance resilience. This study delved into how Bacillus zanthoxyli HS1 (BzaHS1) BzaHS1-derived volatile organic (VOC) conferred systemic tolerance against salt heat in cabbage cucumber plants. Direct application a BzaHS1 strain or exposure VOC plants promoted seedling growth under...
Farmers use low-density polyethylene plastic mulching films to suppress weeds and protect plants from biotic abiotic stresses; however, these are a source of microplastics in ecosystems. Understanding the effect film-derived on rhizosphere microbiome plant growth development is therefore crucial. Here, we investigated how residues soils affect interaction between Arabidopsis ( thaliana). To this end, prepared (≥5 mm), mixed them with agricultural field (5%, w/w), incubated at 25°C 80%...
Phosphoinositide‐specific phospholipase C (PI‐PLC) catalyzes the hydrolysis of phosphatidylinositol 4,5‐bisphosphate to generate inositol 1,4,5‐trisphosphate and diacylglycerol, both which act as secondary messengers in animal cells. In this report, we identified Vigna radiata L. (mung bean) three distinct partial cDNAs (pVr‐PLC1, pVr‐PLC2, pVr‐PLC3), encode forms putative PI‐PLC. All Vr‐PLC genes were transcriptionally active displayed unique patterns expression. The Vr‐PLC1 Vr‐PLC2...
Leucine-rich repeat proteins (LRRs) function in a number of signal transduction pathways via protein-protein interactions. The gene encoding small protein pepper, CaLRR1, is specifically induced upon pathogen challenge and treatment with pathogen-associated molecular patterns (PAMPs). We identified pepper hypersensitive reaction (CaHIR1) that interacts the LRR domain CaLRR1 using yeast two-hybrid screening. Ectopic expression CaHIR1 induces cell death tobacco Arabidopsis, indicating may be...
Effector proteins injected by the pathogenic bacteria Pseudomonas syringae into plants can have profound effects on pathogen-host interaction due to their efficient recognition and subsequent triggering of defenses. The AvrRpt2 effector triggers strong local systemic defense (called acquired resistance [SAR]) responses in Arabidopsis thaliana that harbor a functional RPS2 gene encodes an R protein coiled-coil, nucleotide-binding domain, leucine-rich repeat class. newly identified win3-T...
Local interactions between individual plant organs and diverse microorganisms can lead to whole immunity via the mobilization of defense signals. One such signal is plastid lipid-derived oxylipin azelaic acid (AZA). Arabidopsis lacking AZI1 or EARLI1, related lipid transfer family proteins, exhibit reduced AZA transport among leaves cannot mount systemic immunity. has been detected in roots as well leaves. Therefore, present study addresses effects on plants application roots. but not...
Epigenetic marks such as covalent histone modification and DNA methylation are crucial for mitotically meiotically inherited cellular memory-based plant immunity. However, the roles of individual players in epigenetic regulation immunity not fully understood. Here we reveal functions two Arabidopsis thaliana homologs human lysine-specific demethylase1-like1, LDL1 LDL2, maintenance methyl groups at lysine 4 H3 to Pseudomonas syringae infection. The growth virulent P. strains was reduced ldl1...