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Resultados 1 - 20 de 500.486
1.

Development and assessment of a latex agglutination test based on recombinant MSP5 to detect antibodies against Anaplasma marginale in cattle

Carlos A.N., Ramos; Flábio R., Araújo; Rafaelle C., Santos; Elaine S.P., Melo; Letícia C., Sousa; Carlos E.S., Vidal; Neurisvan R., Guerra; Rafael A.N., Ramos.
Braz. J. Microbiol.; (ahead); 0-0; 2014
SciELO Brasil | Idioma: Inglês

Resumo em inglês

The recombinant protein MSP5 has been established as an important antigen for serological diagnosis of Anaplasma marginale by enzyme-linked immunosorbent assay (ELISA). However, due to the high cost of specialized equipment, this technique is not accessible to all laboratories, especially in develop [...]
2.

Antifungal activity of metabolites of the endophytic fungus Trichoderma brevicompactum from garlic

Xuping, Shentu; Xiaohuan, Zhan; Zheng, Ma; Xiaoping, Yu; Chuanxi, Zhang.
Braz. J. Microbiol.; (ahead); 0-0; 2014
SciELO Brasil | Idioma: Inglês

Resumo em inglês

The endophytic fungus strain 0248, isolated from garlic, was identified as Trichoderma brevicompactum based on morphological characteristics and the nucleotide sequences of ITS1-5.8SITS2 and tef1. The bioactive compound T2 was isolated from the culture extracts of this fungus by bioactivity-guided f [...]
3.

Evaluation of chromogenic media and seminested PCR in the identification of Candida species

Enas, Daef; Ahmed, Moharram; Salwa Seif, Eldin; Nahla, Elsherbiny; Mona, Mohammed.
Braz. J. Microbiol.; (ahead); 0-0; 2014
SciELO Brasil | Idioma: Inglês

Resumo em inglês

Identification of Candida cultured from various clinical specimens to the species level is increasingly necessary for clinical laboratories. Although sn PCR identifies the species within hours but its cost-effectiveness is to be considered. So there is always a need for media which help in the isola [...]
4.

Occurrence of Salmonella spp. and generic Escherichia coli on beef carcasses sampled at a brazilian slaughterhouse

Fabiana Fernanda Pacheco da, Silva; Mariana Bandeira, Horvath; Juliana Guedes, Silveira; Luiza, Pieta; Eduardo Cesar, Tondo.
Braz. J. Microbiol.; (ahead); 0-0; 2014
SciELO Brasil | Idioma: Inglês

Resumo em inglês

A total of 120 beef carcasses were analyzed during processing at a slaughterhouse in southern Brazil. The carcasses were sampled by swab at three different steps of the slaughter line and then they were tested for Salmonella and E. coli. The Salmonella isolates were also examined for antimicrobial s [...]
5.

Thin layer microcolony culture associated with PCR for early identification of Mycobacterium bovis

Tatiana Reis do, Rosário; Cristina Corsi, Dib; Eliana, Roxo; Sônia Regina, Pinheiro; Silvio Arruda, Vasconcellos; Nilson Roberti, Benites.
Braz. J. Microbiol.; (ahead); 0-0; 2014
SciELO Brasil | Idioma: Inglês

Resumo em inglês

The initial growth of mycobacteria from 49 samples of cattle and buffalo organs collected in commercial slaughterhouses was compared between modified Middlebrook 7H11 thin layer microcolony culture and Stonebrink medium used in the isolation of Mycobacterium bovis. Aliquots were decontaminated by Pe [...]
6.

Best conditions for biodegradation of diesel oil by chemometric tools

Ewa, Kaczorek; Katarzyna, Bielicka-Daszkiewicz; Károly, Héberger; Sándor, Kemény; Andrzej, Olszanowski; Adam, Voelkel.
Braz. J. Microbiol.; (ahead); 0-0; 2014
SciELO Brasil | Idioma: Inglês

Resumo em inglês

Diesel oil biodegradation by different bacteria-yeast-rhamnolipids consortia was tested. Chromatographic analysis of post-biodegradation residue was completed with chemometric tools (ANOVA, and a novel ranking procedure based on the sum of ranking differences). These tools were used in the selection [...]
7.

Aflatoxin detoxification by manganese peroxidase purified from Pleurotus ostreatus

Ramy Sayed, Yehia.
Braz. J. Microbiol.; (ahead); 0-0; 2014
SciELO Brasil | Idioma: Inglês

Resumo em inglês

Manganese peroxidase (MnP) was produced from white rot edible mushroom Pleurotus ostreatus on the culture filtrate. The enzyme was purified to homogeneity using (NH4)2SO4 precipitation, DEAE-Sepharose and Sephadex G-100 column chromatography. The final enzyme activity achieved 81UmL-1, specific acti [...]
8.

Endophytic fungi from Myrcia guianensis at the Brazilian Amazon: distribution and bioactivity

Elissandro Fonseca dos, Banhos; Antonia Queiroz Lima de, Souza; Juliano Camurça de, Andrade; Afonso Duarte Leão de, Souza; Hector Henrique Ferreira, Koolen; Patrícia Melchionna, Albuquerque.
Braz. J. Microbiol.; (ahead); 0-0; 2014
SciELO Brasil | Idioma: Inglês

Resumo em inglês

Beneficial interactions between plants and microorganisms have been investigated under different ecological, physiological, biochemical, and genetic aspects. However, the systematic exploration of biomolecules with potential for biotechnological products from this interaction still is relatively sca [...]
9.

Filamentous fungi and media for cellulase production in solid state cultures

B.V., Kilikian; L.C., Afonso; T.F.C., Souza; R.G., Ferreira; I.R., Pinheiro.
Braz. J. Microbiol.; (ahead); 0-0; 2014
SciELO Brasil | Idioma: Inglês

Resumo em inglês

Cellulase production was evaluated in two reference strains (T. reesei Rut-C30 and T. reesei QM9414), two strains isolated from a sugarcane cultivation area (Trichoderma sp. IPT778 and T. harzianum rifai IPT821) and one strain isolated in a program for biodiversity preservation in São Paulo state (M [...]
10.

Relações de gênero e interdependências: reflexões a partir de mudanças na configuração hospitalar / Gender relations and interdependence: reflections on changes in the hospital configuration

Audrey Vidal, Pereira; Lúcia, Rotenberg; Simone Santos, Oliveira.
Hist. cienc. saude-Manguinhos; 00(ahead); 0-0; 2013-08-14
SciELO Brasil | Idioma: Português

Resumo em português

Analisa as mudanças ocorridas no hospital ao longo dos anos destacando a dinâmica das relações de gênero vivenciadas por profissionais da saúde. Para tanto, utiliza as noções de configuração e interdependências a partir da teoria do processo civilizador de Norbert Elias e as discussões sobre as rela [...]

Resumo em inglês

The article analyzes changes that have occurred in hospitals over the years, with a focus on the dynamics of gender relations as experienced by healthcare workers. We use the notions of configuration and interdependence, taken from Norbert Elias' theory of the civilizing process, along with discussi [...]
11.

Yeast diversity associated to sediments and water from two Colombian artificial lakes

L.M., Silva-Bedoya; M., Ramírez-Castrillón; E., Osorio-Cadavid.
Braz. J. Microbiol.; (ahead); 0-0; 2014
SciELO Brasil | Idioma: Inglês

Resumo em inglês

In Colombia, knowledge of the yeast and yeast-like fungi community is limited because most studies have focused on species with clinical importance. Sediments and water represent important habitats for the study of yeast diversity, especially for yeast species with industrial, biotechnological, and [...]
12.

Genome-wide transcription analyses in Mycobacterium tuberculosis treated with lupulone

Jian, Wei; Junchao, Liang; Qiyun, Shi; Peng, Yuan; Rizeng, Meng; Xudong, Tang; Lu, Yu; Na, Guo.
Braz. J. Microbiol.; (ahead); 0-0; 2014
SciELO Brasil | Idioma: Inglês

Resumo em inglês

Mycobacterium tuberculosis (M. tuberculosis), the causative agent of tuberculosis, still causes higher mortality than any other bacterial pathogen until now. With the emergence and spread of multidrug-resistant (MDR) and extensively drug-resistant (XDR-TB) strains, it becomes more important to searc [...]
13.

An overview of antimicrobial resistance and its public health significance

Livia Carminato, Balsalobre; Milena, Dropa; Maria Helena, Matté.
Braz. J. Microbiol.; (ahead); 0-0; 2014
SciELO Brasil | Idioma: Inglês

Resumo em inglês

Multiple papers have been published regarding the bacterial resistance theme over the last years. A variety of information has reached general and scientific public, daily bringing up data on new resistant microorganisms, new drugs, outbreaks, epidemiological news, resistance gene dissemination, and [...]
14.

Molecular detection of virulence factors among food and clinical Enterococcus faecalis strains in South Brazil

A.W., Medeiros; R.I., Pereira; D.V., Oliveira; P.D., Martins; P.A., d'Azevedo; S., Van der Sand; J., Frazzon; A.P.G, Frazzon.
Braz. J. Microbiol.; (ahead); 0-0; 2014
SciELO Brasil | Idioma: Inglês

Resumo em inglês

The present report aimed to perform a molecular epidemiological survey by investigating the presence of virulence factors in E. faecalis isolated from different human clinical (n = 57) and food samples (n = 55) in Porto Alegre, Brazil, collected from 2006 to 2009. In addition, the ability to form bi [...]
15.

Methicillin-resistant coagulase-negative staphylococci from healthy dogs in Nsukka, Nigeria

Kennedy F., Chah; Elena, Gómez-Sanz; John A., Nwanta; Brendan, Asadu; Ifeoma C., Agbo; Carmen, Lozano; Myriam, Zarazaga; Carmen, Torres.
Braz. J. Microbiol.; (ahead); 0-0; 2014
SciELO Brasil | Idioma: Inglês

Resumo em inglês

The occurrence, resistance phenotype and molecular mechanisms of resistance of methicillin-resistant staphylococci from groin swabs of 109 clinically healthy dogs in Nsukka, Nigeria were investigated. The groin swab samples were cultured on mannitol salt agar supplemented with 10 µgof cloxacillin. S [...]
16.

Immobilization and therapeutic passive stretching generate thickening and increase the expression of laminin and dystrophin in skeletal muscle

L.O., Cação-Benedini; P.G., Ribeiro; C.M., Prado; D.L., Chesca; A.C., Mattiello-Sverzut.
Braz. J. Med. Biol. Res.; 00(ahead); 000-000; 2014-05-09
SciELO Brasil | Idioma: Inglês

Resumo em inglês

Extracellular matrix and costamere proteins transmit the concentric, isometric, and eccentric forces produced by active muscle contraction. The expression of these proteins after application of passive tension stimuli to muscle remains unknown. This study investigated the expression of laminin and d [...]
17.

Examining the side effects of sucrose for pain relief in preterm infants: a case-control study

M.B.M., Linhares; C.M., Gaspardo; L.O., Souza; B.O., Valeri; F.E., Martinez.
Braz. J. Med. Biol. Res.; 00(ahead); 000-000; 2014-05-02
SciELO Brasil | Idioma: Inglês

Resumo em inglês

Sucrose solution is recommended as relevant pain relief management in neonates during acute painful procedures; however, only a few studies have analyzed the potentially adverse effects of sucrose administration to preterm neonates. The goal of this study was to examine the potential side effects of [...]
18.

Maintenance of the corneal epithelium is carried out by germinative cells of its basal stratum and not by presumed stem cells of the limbus

A., Haddad; S.J., Faria-e-Sousa.
Braz. J. Med. Biol. Res.; 00(ahead); 000-000; 2014-05-02
SciELO Brasil | Idioma: Inglês

Resumo em inglês

The purpose of this investigation was to analyze the proliferative behavior of rabbit corneal epithelium and establish if any particular region was preferentially involved in epithelial maintenance. [3H]-thymidine was injected intravitreally into both normal eyes and eyes with partially scraped corn [...]
19.

Cyclin D1 expression in prostate carcinoma

R.A., Pereira; R.C., Ravinal; R.S., Costa; M.S., Lima; S., Tucci; V.F., Muglia; R.B., Dos Reis; G.E.B., Silva.
Braz. J. Med. Biol. Res.; 00(ahead); 000-000; 2014-05-02
SciELO Brasil | Idioma: Inglês

Resumo em inglês

The purpose of this study was to investigate the relationship between cyclin D1 expression and clinicopathological parameters in patients with prostate carcinoma. We assessed cyclin D1 expression by conventional immunohistochemistry in 85 patients who underwent radical prostatectomy for prostate car [...]
20.

Liver cancer stem cells are selectively enriched by low-dose cisplatin

H., Zhang; W.J., Chang; X.Y., Li; N., Zhang; J.J., Kong; Y.F., Wang.
Braz. J. Med. Biol. Res.; 00(ahead); 000-000; 2014-04-25
SciELO Brasil | Idioma: Inglês

Resumo em inglês

Accumulating evidence has indicated the importance of cancer stem cells in carcinogenesis. The goal of the present study was to determine the effect of low-dose cisplatin on enriched liver cancer stem cells (LCSCs). Human hepatoblastoma HepG2 cells were treated with concentrations of cisplatin rangi [...]
Resultados 1 - 20 de 500.486