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111.

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)

Chaeyeong Lee, Mohamed Mannaa, Namgyu Kim, Juyun Kim, Yeounju Choi, Soo Hyun Kim, Boknam Jung, Hyun-Hee Lee, Jungkwan Lee, Young-Su Seo 저
...
- 4,300원
The lipopolysaccharide (LPS) composed of lipid A, core, and O-antigen is the fundamental constituent of the outer membrane in gram-negative bacteria. This study was conducted to investigate the roles of LPS in Burkholderia glumae, the phytopathogen causing bacterial panicle blight and seedling rot in rice. To study the roles of the core oligosaccharide (OS) and the Oantigen region, mutant strains targeting the waaC and the wbiFGHI genes were generated. The LPS profile was greatly affected by...
112.

vfr, A Global Regulatory Gene, is Required for Pyrrolnitrin but not for Phenazine-1-carboxylic Acid Biosynthesis in Pseudomonas chlororaphis G05

Xia Wu, Xiaoyan Chi, Yanhua Wang, Kailu Zhang, Le Kai, Qiuning He, Jinxiu Tang, Kewen Wang, Longshuo Sun, Xiuying Hao, Weihai Xie, Yihe Ge 한국식물병리학회 The Plant Pathology Journal 11 Pages

한국식물병리학회 The Plant Pathology Journal 2019, 35권 4호 7 351-361 (11 pages)

Xia Wu, Xiaoyan Chi, Yanhua Wang, Kailu Zhang, Le Kai, Qiuning He, Jinxiu Tang, Kewen Wang, Longshuo Sun, Xiuying Hao, Weihai Xie, Yihe Ge 저
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- 4,000원
In our previous study, pyrrolnitrin produced in Pseudomonas chlororaphis G05 plays more critical role in suppression of mycelial growth of some fungal pathogens that cause plant diseases in agriculture. Although some regulators for pyrrolnitrin biosynthesis were identified, the pyrrolnitrin regulation pathway was not fully constructed. During our screening novel regulator candidates, we obtained a white conjugant G05W02 while transposon mutagenesis was carried out between a fusion mutant...
113.

Biocontrol Efficacy of Formulated Pseudomonas chlororaphis O6 against Plant Diseases and Root-Knot Nematodes

한국식물병리학회 The Plant Pathology Journal 9 Pages

한국식물병리학회 The Plant Pathology Journal 2018, 34권 3호 10 241-249 (9 pages)

저
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- 3,000원
Commercial biocontrol of microbial plant diseases and plant pests, such as nematodes, requires field-effective formulations. The isolate Pseudomonas chlororaphis O6 is a Gram-negative bacterium that controls microbial plant pathogens both directly and indirectly. This bacterium also has nematocidal activity. In this study, we report on the efficacy of a wettable powder-type formulation of P. chlororaphis O6. Culturable bacteria in the formulated product were retained at above 1 × 108...
114.

Isolation and Identification of Endophytic Bacteria with Plant Growth Promoting Activity and Biocontrol Potential from Wild Pistachio Trees

한국식물병리학회 The Plant Pathology Journal 10 Pages

한국식물병리학회 The Plant Pathology Journal 2018, 34권 3호 7 208-217 (10 pages)

저
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- 3,000원
In this study, samples were collected from the leaves and stems of healthy wild Pistachio trees (Pistacia atlantica L.) from various locations of Baneh and Marivan regions, Iran. In total, 61 endophytic bacteria were isolated and grouped according to phenotypic properties. Ten selected isolates from each group were further identified by partial sequencing of the 16S rRNA gene. Based on the results, isolates were identified as bacteria belonging to Pseudomonas, Stenotrophomonas, Bacillus, Pantoea...
115.

Exploring the Potentiality of Novel Rhizospheric Bacterial Strains against the Rice Blast Fungus Magnaporthe oryzae

한국식물병리학회 The Plant Pathology Journal 13 Pages

한국식물병리학회 The Plant Pathology Journal 2018, 34권 2호 6 126-138 (13 pages)

저
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- 4,200원
Rice blast caused by Magnaporthe oryzae is a major disease. In the present study, we aimed to identify and evaluate the novel bacterial isolates from rice rhizosphere for biocontrol of M. oryzae pathogen. Sixty bacterial strains from the rice plant’s rhizosphere were tested for their biocontrol activity against M. oryzae under in vitro and in vivo. Among them, B. amyloliquefaciens had significant high activity against the pathogen. The least disease severity and highest germination were...
116.

Effect of Producing Different Phenazines on Bacterial Fitness and Biological Control in Pseudomonas chlororaphis 30-84

한국식물병리학회 The Plant Pathology Journal 15 Pages

한국식물병리학회 The Plant Pathology Journal 2018, 34권 1호 5 44-58 (15 pages)

저
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- 4,400원
Pseudomonas chlororaphis 30-84 is a biological control agent selected for its ability to suppress diseases caused by fungal pathogens. P. chlororaphis 30-84 produces three phenazines: phenazine-1-carboxylic acid (PCA), 2-hydroxy-phenazine-1-carboxylic acid (2OHPCA) and a small amount of 2-hydroxy-phenazine (2OHPHZ), and these are required for fungal pathogen inhibition and wheat rhizosphere competence. The two, 2-hydroxy derivatives are produced from PCA via the activity of a phenazine-modifying...
117.

Hydrogen Cyanide Produced by Pseudomonas chlororaphis O6 Exhibits Nematicidal Activity against Meloidogyne hapla

한국식물병리학회 The Plant Pathology Journal 9 Pages

한국식물병리학회 The Plant Pathology Journal 2018, 34권 1호 4 35-43 (9 pages)

저
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- 3,000원
Root-knot nematodes (Meloidogyne spp.) are parasites that attack many field crops and orchard trees, and affect both the quantity and quality of the products. A root-colonizing bacterium, Pseudomonas chlororaphis O6, possesses beneficial traits including strong nematicidal activity. To determine the molecular mechanisms involved in the nematicidal activity of P. chlororaphis O6, we constructed two mutants; one lacking hydrogen cyanide production, and a second lacking an insecticidal toxin, FitD....
118.

Enterobacter cloacae, an Emerging Plant-Pathogenic Bacterium Affecting Chili Pepper Seedlings

한국식물병리학회 The Plant Pathology Journal 10 Pages

한국식물병리학회 The Plant Pathology Journal 2018, 34권 1호 1 1-10 (10 pages)

저
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- 3,000원
A previously unreported bacterial disease on chili pepper (Capsicum annuum L.) seedlings affecting as many as 4% of seedlings was observed in greenhouses in Chihuahua, Mexico (Delicias and Meoqui counties). Initial lesions appeared as irregular small spots on leaves and brown necrosis at margins tips were observed. Later, the spots became necrotic with a chlorotic halo. Advanced disease was associated with defoliation. A Gram negative, rod-shaped bacterium was isolated from diseased chili pepper...
119.

Diffusible and Volatile Antifungal Compounds Produced by an Antagonistic Bacillus velezensis G341 against Various Phytopathogenic Fungi

한국식물병리학회 The Plant Pathology Journal 11 Pages

한국식물병리학회 The Plant Pathology Journal 2017, 33권 5호 6 488-498 (11 pages)

저
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- 4,000원
The aim of this study was to identify volatile and agar-diffusible antifungal metabolites produced by Bacillus sp. G341 with strong antifungal activity against various phytopathogenic fungi. Strain G341 isolated from four-year-old roots of Korean ginseng with rot symptoms was identified as Bacillus velezensis based on 16S rDNA and gyrA sequences. Strain G341 inhibited mycelial growth of all phytopathogenic fungi tested. In vivo experiment results revealed that n-butanol extract of fermentation...
120.

Purification and Characterization of a Major Extracellular Chitinase from a Biocontrol Bacterium, Paenibacillus elgii HOA73

한국식물병리학회 The Plant Pathology Journal 11 Pages

한국식물병리학회 The Plant Pathology Journal 2017, 33권 3호 10 318-328 (11 pages)

저
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- 4,000원
Chitinase-producing Paenibacillus elgii strain HOA73 has been used to control plant diseases. However, the antimicrobial activity of its extracellular chitinase has not been fully elucidated. The major extracellular chitinase gene (PeChi68) from strain HOA73 was cloned and expressed in Escherichia coli in this study. This gene had an open reading frame of 2,028 bp, encoding a protein of 675 amino acid residues containing a secretion signal peptide, a chitin-binding domain, two fibronectin type...

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