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Transcriptome Analysis of Induced Systemic Drought Tolerance Elicited by Pseudomonas chlororaphis O6 in Arabidopsis thaliana
한국식물병리학회 The Plant Pathology Journal 12 Pages
한국식물병리학회 The Plant Pathology Journal 2013, 29권 2호 11 209-220 (12 pages)
O6 induces systemic drought tolerance in Arabidopsis thaliana. Microarray analysis was performed using the 22,800- gene Affymetrix GeneChips to identify differentially- expressed genes from plants colonized with or without P. chlororaphis O6 under drought stressed conditions or normal growth conditions. Root colonization in plants grown under regular irrigation condition increased tran- script... induces systemic drought tolerance in Arabidopsis thaliana. Microarray analysis was performed using the 22,800- gene Affymetrix GeneChips to identify differentiallyexpressed genes from plants colonized with or without P. chlororaphis O6 under drought stressed conditions or normal growth conditions. Root colonization in plants grown under regular irrigation condition increased transcript accumulation from genes associated with defense, response to reactive oxygen species, and auxin- and jasmonic... -
Molecular analysis of hprt mutation in B6C3F1 mice exposed to ozone alone and combined treatment of 4-(N-methyl-N-nitrosamino)-1-(3-pyridyl)-1-butanone and/or dibutyl phthalate for 32 and 52 weeks
Min Young Kim, Hyun Woo Kim, Jin Hong Park, Jun Sung Kim, Hwa Jin, Seo Hyun Moon, Kook Jong Eu, Hyun Sun Cho, Gami Kang, Yoon Sh 대한수의학회 Journal of Veterinary Science 7 Pages
대한수의학회 Journal of Veterinary Science 2004, 제 5권 제 4호 14 379-385 (7 pages)
In fact, large accumulation of transversion is known to be related to aging-dependent mutations [3]. Taken together, large portion of trasnversion may be responsible for mixture-induced genotoxicity in our study. In conclusion, this study examined the potential additive effects of genotoxicities of NNK, DBP, ozone, and their various combinations. The results indicate that, under our experimental... Potential toxicological interactions of 4-(N-methyl-N-nitrosamino)-1-(3-pyridyl)-1-butanone (NNK) and/or dibuthyl phthalate (DBP) on ozone were investigated after 32- and 52-wk exposures using hprt mutation assay. Male and female B6C3F1 mice exposed to ozone (0.5 ppm), NNK (1.0 mg/kg), DBP (5,000 ppm), and two or three combinations of these toxicants 6 h per day for 32- and 52-wk showed increases in the frequencies of TG rlymphocytes compared to the control groups. Additive interactions were... -
Whole-Genome Characterization of Alfalfa Mosaic Virus Obtained from Metagenomic Analysis of Vinca minor and Wisteria sinensis in Iran: with Implications for the Genetic Structure of the Virus
Zohreh Moradi, Mohsen Mehrvar 한국식물병리학회 The Plant Pathology Journal 13 Pages
한국식물병리학회 The Plant Pathology Journal 2021, 37권 6호 11 619-631 (13 pages)
presence of diversifying selection at positions 133, 176, and 212 in the AMV CP coding region, reflects the adaptive evolution. The AMV multifunctional CP has significant roles in plus- strand RNA accumulation, pathogenicity, virion assembly (Houwing and Jaspars, 1993), vector specificity, regula- tion of replication and translation of viral RNAs, cell-to- cell movement (Sanchez-Navarro and Bo... In the population genetic analysis based on the CP gene sequences, all 107 AMV isolates fell into two main clades (A, B) and isolates of clade A were further divided into three groups with significant subpopulation differentiation. The results indicated moderate genetic variation within and no clear geographic or genetic structure between the studied populations, implying moderate gene flow can play an important role in differentiation and distri- bution of genetic diversity among populations.... -
Stress Tolerance and Virulence-Related Roles of Lipopolysaccharide in Burkholderia glumae
Chaeyeong Lee, Mohamed Mannaa, Namgyu Kim, Juyun Kim, Yeounju Choi, Soo Hyun Kim, Boknam Jung, Hyun-Hee Lee, Jungkwan Lee, Young-Su Seo 한국식물병리학회 The Plant Pathology Journal 14 Pages
한국식물병리학회 The Plant Pathology Journal 2019, 35권 5호 6 445-458 (14 pages)
occlusion of the plant vascular system in these cases (Ham et al., 2011). Wang et al. (2013) reported that mutation in one enzyme involved in LPS synthesis re- sulted in moderate impairment of EPS accumulation, thus reducing the virulence of X. oryzae pv. oryzicola. On the contrary, our results showed no significant differences in EPS production between the generated B. glumae mutants and t... operon, were not significantly different from the wild-type except in slight decrease in swimming and swarming motility with wbiH deletion. Altogether, the results of present study indicated that the LPS, particularly the core OS region, is required for tolerance to environmental stress and full virulence in B. glumae. To our knowledge, this is the first functional study of LPS in a plant pathogenic Burkholderia sp. and presents a step forward toward full understanding of B. glumae pathogenesis. -
Overexpression of a Pathogenesis-Related Protein 10 Enhances Biotic and Abiotic Stress Tolerance in Rice
한국식물병리학회 The Plant Pathology Journal 11 Pages
한국식물병리학회 The Plant Pathology Journal 2016, 32권 6호 8 552-562 (11 pages)
both drought and salt stresses, indicating the higher accumulation of JIOsPR10 in Ox-3 lines is suff- cient for stress tolerance. Therefore, we selected the Ox-3 line for proteomic analysis. Total protein profles of both WT and JIOsPR10 overexpression plants were analyzed by 2-DE analysis. The 2-DE gels were stained by CBB, and the differentially expressed protein spots were detect- Fig. 5.... in plant development and biotic and abiotic stress tolerance. Here, we characterize a rice defense related gene named “jasmonic acid inducible pathogenesis-related class 10” (JIOsPR10) to gain an insight into its functional properties. Semi-quantitative RT-PCR analysis showed up-regulation of JIOsPR10 under salt and drought stress conditions. Constitutive over-expression JIOsPR10 in rice promoted shoot and root development in transgenic plants, however, their productivity was... -
Proteome Analysis of Disease Resistance against Ralstonia solanacearum in Potato Cultivar CT206-10
한국식물병리학회 The Plant Pathology Journal 8 Pages
한국식물병리학회 The Plant Pathology Journal 2016, 32권 1호 4 25-32 (8 pages)
Rs tolerance in potato. Expression profiling of the corresponding genes regu- lated under Rs infection. MALDI-TOF-MS analysis iden- tified eight differentially expressed proteins upon Rs infec- tion, among them, five genes (StGRP, StTSI-1, StSTH-2, Hypothetical protein POPTR of Populus trichocarpa and StPPR) were selected to quantify their transcript levels by semi-quantitative RT-PCR. The... solanacearum causes significant yield loss. In the present study, integrated proteomics and genomics approaches were used in order to identify bacterial wilt resistant genes from Rs resistance potato cultivar CT-206-10. 2-DE and MALDI-TOF/TOF-MS analysis identified eight differentially abundant proteins including glycine-rich RNA binding protein (GRP), tomato stress induced-1 (TSI-1) protein, pathogenesis-related (STH-2) protein and pentatricopeptide repeat containing (PPR) protein in response... -
Comparative Analysis of Defense Responses in Chocolate Spot-Resistant and -Susceptible Faba Bean (Vicia faba) Cultivars Following Infection by the Necrotrophic Fungus Botrytis fabae
한국식물병리학회 The Plant Pathology Journal 12 Pages
한국식물병리학회 The Plant Pathology Journal 2014, 30권 4호 3 355-366 (12 pages)
proteins (PRPs) encoded by the genes PR-1 and β-1,3-glucanase were also inves- tigated using reverse transcription RT-PCR analysis. The accumulation of these defense responses was in- duced signifcantly in both cultivars upon infection with B. fabae compared with un-inoculated controls. The resistant cultivar showed weaker necrotic symptom expression, less ROS accumulation, a lower rate of... to 9. Accumulation levels of reactive oxygen species (ROS), lipid peroxidation and antioxidant enzymes (superoxide dismutase, catalase and ascorbate peroxidase) were measured in leaf tissues at different times of infection. The expression profiles of two pathogenesis-related proteins (PRPs) encoded by the genes PR-1 and β-1,3-glucanase were also investigated using reverse transcription RT-PCR analysis. The accumulation of these defense responses was induced significantly in both cultivars upon... -
Proteomic Analysis of a Global Regulator GacS Sensor Kinase in the Rhizobacterium, Pseudomonas chlororaphis O6
한국식물병리학회 The Plant Pathology Journal 8 Pages
한국식물병리학회 The Plant Pathology Journal 2014, 30권 2호 15 220-227 (8 pages)
transcript analysis to determine the extents to which changes protein level in the gacS mutant correlated with altered gene expression. RNA accumulation from the genes predicted to encode the GacS-regulated proteins was evaluated by endpoint RT- PCR. Cells grown in LB broth were harvested in stationary phase (OD600 nm= 2.4). Total RNA was isolated using the Trizol method following the user's... a key regulator of many traits relevant to the biocontrol function of this bacterium. Proteomic analysis revealed 12 proteins were down-regulated in a gacS mutant of P. chlororaphis O6. These GacS-regulated proteins functioned in combating oxidative stress, cell signaling, biosynthesis of secondary metabolism, and secretion. The extent of regulation was shown by real-time RT-PCR to vary between the genes. Mutants of P. chlororaphis O6 were generated in two GacS-regulated genes, trpE, encoding a... -
Open Access ： Nitric Oxide and Hydrogen Peroxide Production are Involved in Systemic Drought Tolerance Induced by 2R,3R-Butanediol in Arabidopsis thaliana
한국식물병리학회 The Plant Pathology Journal 8 Pages
한국식물병리학회 The Plant Pathology Journal 2013, 29권 4호 8 427-434 (8 pages)
is a major chemical signal. Drought stress triggers the production of ABA to stimulate responses involved in drought tolerance in plants (Shinozaki and Yamaguchi-Schinozaki, 2000). Downstream physiological changes include stomatal closure, decreased photosynthesis, and accumulation of compatible solutes (Lee and Luan, 2012; Shinozaki and Yamaguchi-Schinozaki, 2000). ABA accumulates in the roots of... induced drought tolerance in Arabidopsis thaliana through mechanisms involving stomatal closure. In this study, we examined the involvement of nitric oxide and hydrogen peroxide in induced drought tolerance, because these are signaling agents in drought stress responses mediated by abscisic acid (ABA). Fluorescence-based assays showed that systemic nitric oxide and hydrogen peroxide production was induced by 2R,3R-butanediol and correlated with expression of genes encoding nitrate reductase and... -
Induced Systemic Drought and Salt Tolerance by Pseudomonas chlororaphis O6 Root Colonization is Mediated by ABA-independent Stomatal Closure
한국식물병리학회 The Plant Pathology Journal 5 Pages
한국식물병리학회 The Plant Pathology Journal 2012, 28권 2호 10 202-206 (5 pages)
O6 root-colonized Arabi- dopsis plants did not show induced systemic tolerance against heat, cold or freezing (data not shown). Previous studies showed that plant defense signal path- ways are important to induce stomatal closure by microbes and microbe-associated molecular patterns-mediated IST (Cho et al., 2008; 2011; Melotto et al., 2006). P. chlororaphis O6 requires the SA, JA and ethylene... Pseudomonas chlororaphis O6 in Arabidopsis thaliana Col-0 plants resulted in induced tolerance to drought and salinity caused by halide salt-generated ionic stress but not by osmotic stress caused by sorbitol. Stomatal apertures decreased following root colonization by P. chlororaphis O6 in both wild-type and ABA-insensitive Arabidopsis mutant plants. These results suggest that an ABAindependent stomatal closure mechanism in the guard cells of P. chlororaphis O6-colonized plants could be a key...