Showing papers in "Brazilian Journal of Microbiology in 2013"

TL;DR: Kefir and its constituents have antimicrobial, antitumor, anticarcinogenic and immunomodulatory activity and also improve lactose digestion, among others, and the status of a natural probiotic is designated as the 21th century yoghurt.

TL;DR: This review presents how microorganisms induce the deterioration of concrete, including the organisms involved and their colonization and succession on concrete, the microbial deterioration mechanism, the approaches of studying MID and safeguards against concrete biodeterioration.

TL;DR: The combined method of acid pretreatment with ultrasound and subsequent enzyme treatment resulted the highest conversion of lignocellulose in rice straw to sugar and consequently, highest ethanol concentration after 7 days fermentation with S. cerevisae yeast.

TL;DR: Combined application of Rhizobium and Pseudomonas strains could be explored as an effective strategy to induce osmotic stress tolerance in mung bean.

TL;DR: The quantification of colony forming units (cfu), turbidity, and optical density at 600 nm (OD600) measurements were used to evaluate Mycobacterium tuberculosis growth and determined the cfu equivalents to McFarland and OD600 units.

TL;DR: Prebiotic inulin is found to exhibit desirable changes in the gut of non-ruminants like poultry, swine, rabbit etc for augmenting gut health and improvement of product quality, and in ruminants the prebiotic reduces rumen ammonia nitrogen, methane production, increase microbial protein synthesis and live weight gains in calves.

TL;DR: Growth on Congo red agar and the microtitre plate test are methods that could be used to determine whether an isolate has the potential for biofilm production.

TL;DR: Ethanolic crude extracts prepared from the arils and seeds, pericarp, peels and from the whole fruit of Punica granatum, known as pomegranate, had their antifungal activity tested against Candida spp.

TL;DR: Promising results were obtained when the microparticles were stored at −18 °C; the freeze granted 90 days of shelf life to the encapsulated cells, suggesting that the spray-chilling process using cocoa butter as carrier protects L. acidophilus from gastrointestinal fluids.

TL;DR: The search for new drugs, driven by genetic engineering combined with metagenomic strategies, shows a way to bypass the barriers imposed by methodologies limited to isolation and culturing, but is far from solving the problem of supplying new molecules that are effective against the plasticity of multi- or pan-drug-resistant pathogens.

TL;DR: This review is focused on describing the problems and stressors within the Brazilian ethanol production system and highlights some genetic modifications that can help to circumvent these difficulties in yeast.

TL;DR: A promising effectiveness of propolis in the prevention of caries and other diseases of the oral cavity is described, making it necessary to develop studies to identify and understand the therapeutic targets or mechanisms of molecular action of the various compounds present on them.

TL;DR: The attempt of this review is to embrace several research lines that have adopted Pichia pastoris as their expression system to produce a protein on an industrial scale in the health care industry.

TL;DR: To enhance production of γ-aminobutyric acid, Lactobacillus rhamnosus YS9, a strain isolated from Chinese traditional fermented food pickled vegetable, was grown under submerged fermentation and produced 187 mM of GABA.

TL;DR: A greater antibacterial effect was observed when the bacteriocins were combined in pairs, indicating that the use of more than one LAB bacteriOCin in combination have a higher antibacterial action than when used individually.

TL;DR: It was found that true hyphae are essential elements for developing structural integrity of conglomerate, as mutants displaying defects in their flocculation and conglomerate-forming abilities in serum showed that Efg1 is required for human serum-induced cell growth and morphological switching.

TL;DR: It was concluded that a polyphasic approach is necessary for proper LAB identification, being the molecular analyzes the most reliable.

TL;DR: The results of the present study indicated that F. solani and F. oxysporum associated with CD of oil palm in Malaysia and Indonesia were highly variable.

TL;DR: Both DHA-1 β-lactamase and loss or deficiency of porin OmpK36 may be the main reason for the cefoxitin and carbapenem resistance in K. pneumoniae strains, according to the electrophoresis mobility.

TL;DR: It is indicated that L. plantarum, L. pentosus, and L. fermentum were the dominant lactobacilli in the honey stomach of honeybee A. dorsata collected during the dry season from Malaysia forest area.

TL;DR: The m-PCR assay developed in this study is a specific and rapid alternative method for the identification of Salmonella spp.

TL;DR: The aim of this work was to perform morphological and physiological characterisations of S. cerevisiae strains that exhibited rough and smooth colonies in an attempt to identify alternatives that could contribute to the management of rough colony yeasts in alcoholic fermentation.

TL;DR: The RUT and histopathology are as accurate as the PCR of biopsy and stool antigen test can consider as appropriate noninvasive test for detection of H. pylori infection.

TL;DR: The microorganism Pichia pastoris has been used like a successful expression system in diverse areas, improved the yield and extraction-recovery of the product expressed and the characteristic of the enzymes produced are detailed.

TL;DR: The study of the biodiversity of yeasts from different environmental can reveal strains with desired characteristics to industrial applications and the UFLA FW221 isolated from fruit was suitable to produce bioethanol in sugar cane juice.

TL;DR: Co-inoculation with Zong1 and SQ1 (Mesorhizobium sp.) showed significant effects compared to single inoculation for the following PGPC parameters: siderophore production, phosphate solubilization, organic acid production, IAA production and antifungal activity in vitro.

TL;DR: In conclusion, S. aureus was an important food poisoning etiological agent in the State of RS during 2000 to 2002 and its prevention depends on control measures involving different parts of the food chain.

TL;DR: The high rate of detection of the A/B toxins in non-diarrheic dogs suggests the occurrence of subclinical disease in dogs or carriage of its toxins without disease.

TL;DR: Observations of leakage of cellular material and an altered cell surface suggest that gross damage to a cell’s cytoplasmic membrane, which results in a disruption in protein secretion, could be responsible for the anti-staphylococcal properties of CAR and THY.

TL;DR: The possibility of using sanitizing detergents based on natural products for the elimination and/or reduction of Aeromonas hydrophila biofilm formed on stainless steel surfaces is demonstrated.