A5002251154- Plant Pathogenic Bacteria Studies
- Plant-Microbe Interactions and Immunity
- Plant Pathogens and Fungal Diseases
- Plant Virus Research Studies
- Plant Disease Resistance and Genetics
- Legume Nitrogen Fixing Symbiosis
- Plant and Fungal Interactions Research
- Infections and bacterial resistance
- Biological Control of Invasive Species
- Rice Cultivation and Yield Improvement
- Yeasts and Rust Fungi Studies
- Banana Cultivation and Research
- GABA and Rice Research
- Insect-Plant Interactions and Control
- Mycotoxins in Agriculture and Food
- Plant Disease Management Techniques
- Plant Parasitism and Resistance
- Phytochemistry and biological activities of Ficus species
- Phytoplasmas and Hemiptera pathogens
- Insect symbiosis and bacterial influences
- Genetic Mapping and Diversity in Plants and Animals
- Plant tissue culture and regeneration
- Fungal Biology and Applications
- Cocoa and Sweet Potato Agronomy
- Genomics and Phylogenetic Studies
Kyushu University
2014-2024
Gazipur Agricultural University
2018
Agricultural Genetics Institute
2015
Nutrasource
1999-2013
National Institute for Agro-Environmental Sciences
2011
Planta
2005
Japan Tobacco (Japan)
1992
Significance Our article presents the most comprehensive reconstruction of evolutionary and phylogeographic history a major plant pathogen brassica vegetables in Eurasia. Sampling across such large landmass poses considerable challenges, our study attempts to describe spatial temporal patterns migration for on scale. molecular clock analyses show that pathways turnip mosaic potyvirus retrace some historical trade arteries Silk Road. This demonstrates how genetic analysis can provide...
Significance Maternally inherited bacterial endosymbionts in arthropods manipulate host reproduction to increase the number of infected females. Cytoplasmic incompatibility (CI) is one such manipulation, which females can produce offspring by mating with both and uninfected males, but cannot or seldom males. Two endosymbionts, Wolbachia Cardinium , are known CI inducers. Here we report a third inducer that belongs unique clade Alphaproteobacteria. This was found cause complete between two...
In order to develop a detection method for the rice pathogens Burkholderia plantarii , glumae and gladioli phylogeny of six plant-pathogenic species was analysed using combined nucleotide sequences gyrB rpoD . B. formed tight monophyletic branches supported by high bootstrap probabilities. The sequence similarity revealed close phylogenetic relationship between strains were divided into three subclusters comprising strains, whereas single Vanda strain occupied unique position in tree. all...
GRAIN SIZE 3 (GS3) is a cloned gene that related to seed length. Here we report the discovery of new deletion alleles at GS3 locus, each which confer short seed. We selected ten seeded cultivars from collection 282 diverse cultivars. Sequence analysis across in these identified three novel and known allele contain several independent deletion(s) fifth exon GS These variants resulted frameshift mutation caused premature stop codon, they were functionally similar one another. Each coded for...
We identified a rapid and novel system to effectively metabolize large amount of H2O2 in the suspension cells ofScutellaria baicalensis Georgi. In response an elicitor, immediately initiate hydrolysis baicalein 7-O-β-d-glucuronide by β-glucuronidase, released is then quickly oxidized 6,7-dehydrobaicalein peroxidases. Hydrogen peroxide consumed during peroxidase reaction. The β-glucuronidase inhibitor, saccharic acid 1,4-lactone, significantly reduced H2O2-metabolizing ability theScutellaria...
Mixed infection of Cucumber mosaic virus (CMV) and Turnip (TuMV) induced more severe symptoms on Nicotiana benthamiana than single infection. To dissect the relationships between spatial patterns 2b protein (2b) CMV in or mixed infections, vectors expressing enhanced green fluorescent Discosoma sp. red proteins (EGFP [EG] DsRed2 [Ds], respectively were constructed from same wild-type CMV-Y used for inoculation onto N. benthamiana. CMV2-A1 vector (C2-A1 [A1]) has a functional while CMV-H1...
Cucurbit chlorotic yellows virus (CCYV) (family Closteroviridae, genus Crinivirus) is an emerging which causes severe diseases on melon (Cucumis melo) plants. CCYV-infected plants display yellowing, mottling, chlorosis, or spots leaves. To develop a new control strategy, the potential for 1,2,3-benzothiadiazole-7-thiocarboxylic acid-S-methyl-ester (ASM) to suppress CCYV infection was evaluated. ASM treatment greatly increased expression levels of pathogenesis-related 1a gene, marker gene...
High water use efficiency is essential to water-saving cropping. Morphological traits that affect photosynthetic are not well known. We examined whether leaf hairiness improves in rice.A chromosome segment introgression line (IL-hairy) of wild Oryza nivara (Acc. IRGC105715) with the genetic background sativa cultivar 'IR24' had high pubescence (hair). The hairs developed along small vascular bundles. Linkage analysis BC5F2 and F3 populations showed trait was governed by a single gene,...
The relationship between the phytotoxin (C7H7N5O2) produced by Pseudomonas glumae and its virulence was studied. All of Phytotoxin productive strains were virulent to rice plants with a few exception, whereas all non-productive avirulent. A striking difference in time course production observed avirulent P. glumae. inhibited elongation sprouts roots seedlings almost completely at 10μg/ml. Rice panicles, which treated concentrations 2.5 or 25μg/ml dipping for 10min flowering stage, brown band...
Plant pathogenic pseudomonads such as Pseudomonas glumae, Ps. gladioli pv. gladioli, cepacia and avenae formed growth inhibition zone around their colonies on the lawn of other plant bacteria, Agrobaclerium tumefaciens, Corynebacterium michiganense michiganense, Erwinia carotovora subsp. carotovora, solanacearum, syringae syringae, Xanthomonas campestris citri X. oryzae, used indicators. The activity spectra shown indicator bacteria were much varied depending upon species isolates...
Pectobacterium carotovorum (Pc) causing potato tuber soft rot uses N-acyl-L-homoserine lactones (AHLs) to control the production of virulence factors via quorum sensing (QS).Some bacteria produce enzymes inactivate AHL signals pathogenic a phenomenon known as quenching.One hundred bacterial isolates from tubers were screened for AHL-degrading activity using biosensor strain Chromobacterium violaceum CV026.Of these isolates, 20 able AHLs in vitro.Of 6 attenuated tissue maceration by...
A collection of 87 strains the soft rot pathogen Erwinia carotovora ssp. (Ecc) isolated from various host plants in Japan, Korea and Thailand was characterized by bacteriological, pathological genetic properties. On basis pathogenicity on potato, tomato, onion cucumber, were divided into four groups. They also PCR‐restriction fragment length polymorphisms (RFLP) 16S ribosomal DNA (rDNA), 16S‐23S rDNA intergenic spacer regions (ISRs) a pel gene encoding pectate lyase. By analysis RFLP...
A survey of the geographical distribution pathogenic races Xanthomonas oryzae pv. (Xoo) causing bacterial blight (BB) rice in northern Vietnam was conducted. We characterized strains Xoo collected from nine regions this part 2001 and 2002 using polymerase chain reaction (PCR)-based DNA fingerprinting virulence analysis. The pathogenicity Vietnamese 84 tested for their to BB near-isogenic lines with a single resistance gene. Based on analysis 11 differential (IR24, IRBB1, IRBB2, IRBB3, IRBB4,...
Enterobacter sp. M4 and other bacterial strains were isolated from plant soft rot disease. Virulent phages such as EspM4VN soil are trending biological controls for This phage has an icosahedral head (100 nm in diameter), a neck, contractile sheath long 18 wide). It belongs to the Ackermannviridae family resembles Shigella Ag3 Dickeya JA15 XF4. We report herein that was stable 10°C 50°C pH 4 10 but deactivated at 70°C 3 12. formed clear plaques only on among tested strains. A one-step growth...
Endophyiic bacteria reside wlthin plant hosts without causing disease symptoms.In this study, seventy three endophylic bacterial isolates were isolated from the roots of Solawam sp.plants.The further subdivided into 15 groups based on phenotypic characteristics.Some these preliminarily classincd as membcrs genus Bacillus and fluorescent pseudomonads.Of 73 isolates, 40 found to have in vitro antagonistic activity against various pathogenic bacteria.The isolate designated Kutoxl201 exhibited a...