Culturable Bacteria
Mostrando 1-12 de 145 artigos, teses e dissertações.
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1. Effect of passive ultrasonic activation on microorganisms in primary root canal infection: a randomized clinical trial
Abstract Objective: This clinical study sought to evaluate the effectiveness of passive ultrasonic activation (PUA) in eliminating microorganisms in primary endodontic infection (PEI) after instrumentation of root canals using microbiological culture and checkerboard DNA-DNA hybridization. Methodology: Twenty root canals with PEI and apical periodontitis w
J. Appl. Oral Sci.. Publicado em: 28/11/2019
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2. Effectiveness of XP-Endo Finisher in the reduction of bacterial load in oval-shaped root canals
Abstract: This study investigated the effectiveness of XP-Endo Finisher (XPF) associated with XP-Endo Shaper (XPS) or Reciproc Blue (RB) files in reducing bacterial load in oval-shaped root canals (RC) during chemomechanical preparation (CMP) using 0.9% saline solution (NaCl) or 2.5% sodium hypochlorite (NaOCl). Eighty mandibular incisors with single oval-sh
Braz. oral res.. Publicado em: 16/05/2019
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3. Correlation Between Volume of Root Canal, Cultivable Bacteria, Bacterial Complexes and Endotoxins in Primary Infection
Resumo Este estudo clínico foi conduzido para correlacionar os níveis de endotoxinas e bactérias cultiváveis encontradas na infecção endodôntica primária (IEP) com o volume do canal radicular determinado pelo uso da Tomografia Computadorizada de Feixe Cônico (TCFC); e avaliar a diversidade bacteriana correlacionada com características clínicas. Vi
Braz. Dent. J.. Publicado em: 04/04/2019
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4. Variations in culturable bacterial communities and biochemical properties in the foreland of the retreating Tianshan No. 1 glacier
Abstract As a glacier retreats, barren areas are exposed, and these barren areas are ideal sites to study microbial succession. In this study, we characterized the soil culturable bacterial communities and biochemical parameters of early successional soils from a receding glacier in the Tianshan Mountains. The total number of culturable bacteria ranged from
Braz. J. Microbiol.. Publicado em: 2018-09
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5. Antibiotic resistance genes detected in the marine sponge Petromica citrina from Brazilian coast
ABSTRACT Although antibiotic-resistant pathogens pose a significant threat to human health, the environmental reservoirs of the resistance determinants are still poorly understood. This study reports the detection of resistance genes (ermB, mecA, mupA, qnrA, qnrB and tetL) to antibiotics among certain culturable and unculturable bacteria associated with the
Braz. J. Microbiol.. Publicado em: 2016-09
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6. Bacteria associated with Amblyomma cajennense tick eggs
Abstract Ticks represent a large group of pathogen vectors that blood feed on a diversity of hosts. In the Americas, the Ixodidae ticks Amblyomma cajennense are responsible for severe impact on livestock and public health. In the present work, we present the isolation and molecular identification of a group of culturable bacteria associated with A. cajennens
Genet. Mol. Biol.. Publicado em: 03/11/2015
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7. Cultivable endophytic bacteria from leaf bases of Agave tequilana and their role as plant growth promoters
Agave tequilana Weber var. 'Azul' is grown for the production of tequila, inulin and syrup. Diverse bacteria inhabit plant tissues and play a crucial role for plant health and growth. In this study culturable endophytic bacteria were extracted from leaf bases of 100 healthy Agave tequilana plants. In plant tissue bacteria occurred at mean population densitie
Braz. J. Microbiol.. Publicado em: 2014-12
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8. Culturable diversity of halophilic bacteria in foreshore soils
Halophilic bacteria are commonly found in natural environments containing significant concentration of NaCl such as inland salt lakes and evaporated sea-shore pools, as well as environments such as curing brines, salted food products and saline soils. Dependence on salt is an important phenotypic characteristic of halophilic bacteria, which can be used in th
Braz. J. Microbiol.. Publicado em: 05/08/2014
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9. Screening of endoglucanase-producing bacteria in the saline rhizosphere of Rhizophora mangle
In screening the culturable endoglucanase-producing bacteria in the rhizosphere of Rhizophora mangle, we found a prevalence of genera Bacillus and Paenibacillus. These bacteria revealed different activities in endoglucolysis and biofilm formation when exposed to specific NaCl concentrations, indicating modulated growth under natural variations in mangrove sa
Braz. J. Microbiol.. Publicado em: 2014
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10. Effects of open drainage ditch design on bacterial and fungal communities of cold waterlogged paddy soils
A field experiment established in 1980 was conducted to evaluate the effects of open drainage ditch applied for water removal on bacterial and fungal communities of cold waterlogged paddy soils in 2011. In this experiment, traditional plate counting and temperature gradient gel electrophoresis were employed to characterize the abundance and diversity of soil
Braz. J. Microbiol.. Publicado em: 2013-09
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11. Isolation and characterization of endophytic bacteria isolated from the leaves of the common bean (Phaseolus vulgaris)
The common bean is one of the most important legumes in the human diet, but little is known about the endophytic bacteria associated with the leaves of this plant. The objective of this study was to characterize the culturable endophytic bacteria of common bean (Phaseolus vulgaris. leaves from three different cultivars (Vermelhinho, Talismã, and Ouro Negro)
Braz. J. Microbiol.. Publicado em: 2012-12
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12. Diversidade de bactérias cultiváveis do solo do Cerrado brasileiro / Diversity of culturable bacteria from Brazilian Cerrado soil
O Cerrado é um bioma de grande extensão, constituindo um corredor para as espécies dos biomas vizinhos e, além disso, é um regulador de energia e intercâmbio de carbono com a atmosfera. A diversidade bacteriana do solo do Cerrado mineiro foi avaliada utilizando-se técnicas dependentes de cultivo por apresentar respostas distintas às geradas por técn
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 20/12/2011