نتایج جستجو برای: pseudomonas fluorescens utpf68
تعداد نتایج: 53242 فیلتر نتایج به سال:
در این تحقیق اثر کاربرد سیلیکون و باکتری (pseudomonas fluorescens (chao روی بیماری پژمردگی فوزاریومی گوجه فرنگی ناشی از قارچ fusarium oxysporum f. sp. lycopersiciو القای مقاومت میزبان در مقابل پاتوژن مورد بررسی قرار گرفت. اثر غلظتهای مختلف سیلیکون ( 7-1 میلی مولار) بر رشد pseudomonas fluorescens و fusarium oxysporum f. sp. lycopersici آزمایش شد. نتایج نشان داد که همه غلظتهای سیلیکون روی رشد ب...
BACKGROUND Purified water for pharmaceutical purposes must be free of microbial contamination and pyrogens. Even with the additional sanitary and disinfecting treatments applied to the system (sequential operational stages), Pseudomonas aeruginosa, Pseudomonas fluorescens, Pseudomonas alcaligenes, Pseudomonas picketti, Flavobacterium aureum, Acinetobacter lowffi and Pseudomonas diminuta were is...
A novel class of antibiotics based on the antimicrobial properties of immune peptides of multicellular organisms is attracting increasing interest as a major weapon against resistant microbes. It has been claimed that cationic antimicrobial peptides exploit fundamental features of the bacterial cell so that resistance is much less likely to evolve than in the case of conventional antibiotics. P...
The growth of Pseudomonas fluorescens (ATCC 11150) on sodium maleate was observed, and the composition of the media was monitored in batch culture. Utilization of the maleate as the sole organic carbon source proceeded by stepwise conversion to fumarate and then to malate. Respiration rates of P. fluorescens on maleate, mixtures of maleate and fumarate salts, and mixtures of maleate and malate ...
به منظور مطالعه اثر محلولپاشی باکتریهای محرک رشد گیاه و متابولیتهای آنها بر عملکرد کمی و کیفی برنج رقم هاشمی، آزمایشی در گلخانه دانشکده علوم کشاورزی، دانشگاه گیلان در قالب طرح بلوک کامل تصادفی در 4 تکرار در سال 1389 به اجرا درآمد. تیمارهای مورد بررسی در این تحقیق شامل سویه های مختلف باکتری محرک رشد و متابولیت های حاصل از آنها بود که عبارت بودند از: بدون محلولپاشی و بدون کود (تیمار شاهد)، بدون م...
Fluorescent Pseudomonas strains producing the antimicrobial secondary metabolite 2,4-diacetylphloroglucinol (Phl) play a prominent role in the biocontrol of plant diseases. A subset of Phl-producing fluorescent Pseudomonas strains, which can additionally synthesize the antimicrobial compound pyoluteorin (Plt), appears to cluster separately from other fluorescent Pseudomonas spp. based on 16S rR...
Antarctica harbors a great diversity of microorganisms, including bacteria, archaea, microalgae and yeasts. The Pseudomonas genus is one of the most diverse and successful bacterial groups described to date, but only eight species isolated from Antarctica have been characterized. Here, we present three potentially novel species isolated on King George Island. The most abundant isolates from fou...
The efficacy of strains of Pseudomonas fluorescens, Bacillus megaterium and Azospirillum spp. in in vitro solubilization of Ca3PO4 was studied. Pseudomonas fluorescens and Bacillus megaterium strains were the most powerful phosphate solubilizers on Pikovskaya (PVK) plates and liquid medium. Azospirillum lipoferum strains showed weak zones of solubilization on the PVK plates. Phosphate solubiliz...
Saprophytic Pseudomonas are common root-colonizing bacteria that can improve plant health. Efficient exploitation of these bacteria in agriculture requires knowledge of traits that enhance ecological performance in the rhizosphere. Here, I describe the development and application of a promoter-trapping technology (IVET) that enables the isolation of Pseudomonas fluorescens genes that show eleva...
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