Plant Pathogenic Bacteria
Mostrando 1-12 de 121 artigos, teses e dissertações.
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1. Diversity of Endophytic and Epiphytic Bacteria From Sugarcane in Khuzestan, Iran
Abstract Diverse microorganisms are living as endophytes in plant tissues and as epiphytes on plant surfaces in nature. Commercial formulations of bacteria antagonist to plant pathogenic microbes and ice nucleation active bacteria have been utilized as an environmentally safe method to manage plant disease and to prevent frost damage respectively. Bacteria w
Braz. arch. biol. technol.. Publicado em: 20/12/2019
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2. Improvement of the specific detection of Xanthomonas phaseoli pv. manihotis based on the pthB gene
ABSTRACT. Modifications were made in the PCR conditions aiming to overcome the problem of non-amplification of the Xanthomonas phaseoli pv. manihotis (Xpm) fragment, using the primer pair XV / XK described in the literature. The objective of this study was to propose changes in the primers already described (XV / XK_MOD) and validate the use of these new pri
Acta Sci., Agron.. Publicado em: 23/09/2019
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3. Phenolic Profile, Essential Oil Composition and Bioactivity of Lasia spinosa (L.) Thwaites
Abstract Lasia spinosa (L.) Thwaites is a widely used ethnomedicinal plant in Bangladesh. In this study, we investigated phenolic contents, volatile compounds and fatty acids, and essential oil components of extracts prepared from aerial parts of the plant. The main volatile compounds were methyl ester of oleic acid, palmitic acid and stearic acid as determi
Braz. arch. biol. technol.. Publicado em: 12/08/2019
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4. Antimicrobial, Anti-Inflammatory and Antioxidant Activities of Polyoxygenated Chalcones
It was synthesized nine polyoxygenated chalcones with a potential and safe use as antioxidant, antimicrobial and anti-inflammatory therapies. Chalcones obtained by Claisen-Schmidt condensation were studied as antioxidant, inhibitors of human 5-lipoxygenase, antifungal, antibacterial and antibiotic resistance modifiers. Two chalcones with catecholic moieties
J. Braz. Chem. Soc.. Publicado em: 2019-02
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5. Antagonistic endophytic bacteria associated with nodules of soybean (Glycine max L.) and plant growth-promoting properties
Abstract A total of 276 endophytic bacteria were isolated from the root nodules of soybean (Glycine max L.) grown in 14 sites in Henan Province, China. The inhibitory activity of these bacteria against pathogenic fungus Phytophthora sojae 01 was screened in vitro. Six strains with more than 63% inhibitory activities were further characterized through optical
Braz. J. Microbiol.. Publicado em: 2018-06
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6. Evaluation of Medicinal Values of Gymnopetalum chinense (Lour.) Merr., a Lesser Known Cucurbit from Eastern Ghats of India
ABSTRACT >The in vitro antimicrobial activity of Gymnopetulum chinense (Cucurbitaceae), a lesser known climber of Eastern Ghats and recently recorded species from Odisha, India was studied against five selected human pathogenic bacteria (Streptococcus mutans, S. pyogenes, Vibrio cholerae, Shigella flexneri and Salmonella typhi), by agar well diffusion (AWD),
Braz. arch. biol. technol.. Publicado em: 05/10/2017
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7. Comparative Microbicidal Efficacy of Fractionated Extracts from In Vitro and In Vivo Raised Cells of Tinosporacordifolia Against MDR Pathogens
The present study was conducted to explore the hidden potential of natural products synthesized in the medicinal plant Tinosporacordifolia. This plantis prioritized by National Medicinal Plant Board, New Delhi. Leaf and inter nodal segments were inoculated on MS Medium fortified with IBA (1.0 mg/L) produced callus after four weeks. The calli were brown due t
Braz. arch. biol. technol.. Publicado em: 22/03/2016
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8. Screening and characterization of endophytic Bacillus and Paenibacillus strains from medicinal plant Lonicera japonica for use as potential plant growth promoters
Abstract A total of 48 endophytic bacteria were isolated from surface-sterilized tissues of the medicinal plant Lonicera japonica, which is grown in eastern China; six strains were selected for further study based on their potential ability to promote plant growth in vitro (siderophore and indoleacetic acid production). The bacteria were characterized by phy
Braz. J. Microbiol.. Publicado em: 2015-12
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9. Characterization and mapping of a spotted leaf mutant in rice (Oryza sativa)
Spotted leaf mutant belongs to a class of mutants that can produce necrotic lesions spontaneously in plants without any attack by pathogens. These mutants have no beneficial effect on plant productivity but provide a unique opportunity to study programmed cell death in plant defense responses. A novel rice spotted leaf mutant (spl30) was isolated through low
Genet. Mol. Biol.. Publicado em: 15/04/2014
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10. Morphology and 18S rDNA gene sequence of Spirostomum minus and Spirostomum teres (Ciliophora: Heterotrichea) from Rio de Janeiro, Brazil
Species of Spirostomum Ehrenberg, 1838 are widely used as model organisms in ecological studies of environmental impacts and symbioses between ciliates and human pathogenic bacteria. However, the taxonomy of this genus is confused by the superficiality of the morphological descriptions of its included species, and the use of only a few characters for their d
Zoologia (Curitiba). Publicado em: 2013-02
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11. Caracterização taxonômica de espécies do gênero Xanthomonas / Taxonomic characterization of Xanthomonas species
Xanthomonas species are responsible for diseases causing economic losses in many crops. These phytopathogens have been subject of several taxonomic studies resulting in significant changes at interespecific or infraspecific level. This study aimed the taxonomic characterization of Xanthomonas species including: (1) differentiation and phylogenetic analysis o
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 06/03/2012
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12. Endophytic fungi occurring in Ipomoea carnea tissues and their antimicrobial potentials
The aim of this work was to study the endophytic fungi associated with the tissues of Ipomoea carnea, a common invasive plant of India. A total of 69 isolates belonging to ten taxa comprising 1.45% Zygomycetes, 10.14% Coelomycetes, 62.32% Hypomycetes, 18.84% sterile mycelia and 7.25% unidentified species were obtained. Species of Curvularia, Aspergillus, Fus
Braz. arch. biol. technol.. Publicado em: 2012-10