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| Registros recuperados: 114 | |
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| Albertson,Jesse L.; Dietrich,Christopher H.. |
| The treehopper genus Tolania Stål (Hemiptera: Membracidae: Nicomiinae: Nicomiini) and 69 valid species (59 new) are described and illustrated based on adult morphology. Ten informal species groups are recognized based on a previously published phylogenetic analysis: (1) the dira species group comprising T. calista sp. nov., T. dira sp. nov., T. inca sp. nov., T. macaria sp. nov., T. secoya sp. nov., and T. zaparo sp. nov.; (2) the fasciata species group comprising T. fasciata (Walker), T. gracilis sp. nov., and T. laticlava sp. nov.; (3) the femoralis species group comprising T. femoralis Stål, T. fraterna Stål, and T. roberti sp. nov.; (4) the furcata species group comprising T. furcata sp. nov., T. tryphena sp. nov., and T. venezuelensis sp. nov.; (5)... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Biogeography; Homoptera; Identification; Morphology; Taxonomy. |
| Ano: 2006 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752006000400002 |
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| Vargas,Carlos Henrry Bellot; Almeida,Armando Antunes de. |
| The identification of insect fragments showed that the infestation was done, mainly, by Coleoptera of the genus Sitophilus Schnherr, 1838 (Curculionidae) and Rhizoperthadominica (Fabricius, 1792) (Bostrychidae), that are caracteristic of internai infestation, and in lesser percentage by insects charac-teristic of externai infestation, as Crylolestes spp. (Cucujidae), Tribolium spp. (Tene-brionidae), Oryzaephilussurinamensis(Linnacus, 1758) (Cucujidae) and Lasioderma serricorne (Fabricius, 1792) (Anobiidae). From the total of recovered and identified insect fragments, 59% were fragments of elytra, 23% of mandibles, and in minor percentage by tarsal segments, claws, tibial spurs, legs, tarsus, eyes, antennae, exuviae and larvae urogomphi. |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Insect fragments; Food; Identification; Micromorphology. |
| Ano: 1996 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81751996000300021 |
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| Albertson,Jesse L.; Dietrich,Christopher H.. |
| Morphological characters of adults of the treehopper subfamily Nicomiinae Haupt, 1929 (Hemiptera, Membracidae) including seven genera (Eudonica gen. nov.; Euwalkeria Goding, 1926; Holdgatiella Evans, 1962; Nicomia Stål, 1858; Nodonica Dietrich, McKamey& Deitz, 2001; Stalomia gen. nov.; and Tolania Stål, 1858) and 22 species (16 new) are described and illustrated. Keys are provided for genera and for species of Euwalkeria, Holdgatiella, and Nicomia. Nomenclatural changes, based on study of the primary type material of 15 species, include three new combinations, one new synonymy, and reinstatement of one junior synonym. Eudonica has one species, Eudonica nanella sp. nov.; Euwalkeria has five species, including four new species: E. colorata sp. nov., E.... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Distribution; Homoptera; Identification; Morphology; Phylogeny; Taxonomy. |
| Ano: 2005 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752005000100029 |
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| Deffert, Flávia; Agustini, Bruna Carla; Picheth, Geraldo; Bonfim, Tania Maria Bordin. |
| Fructooligosaccharides are catalyzed by β–fructofuranosidase enzyme, produced by many microorganisms. However, in order to achieve a more profitable, low time-consuming process with lower cost, researchers have sought alternatives. This study aimed to select and identify yeasts able to produce fructooligosaccharides and evaluate the influence of pH and temperature on their synthesis. Yeast suspensions, solutions of 500 g L-1 sucrose and three values of pH (4.5, 5.5, and 6.5) and temperature (40, 50, and 60ºC) were tested. Yeast species were identified by molecular techniques. Among 141 yeast isolates from grapes, 65 were able to synthesize fructooligosaccharides. The maximum concentration of fructooligosaccharides was 4.8% (w v-1), and Saccharomyces... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: 2.12.00.00-9 prebiotics; Biotransformation; Identification; PCR. Microbiologia. |
| Ano: 2017 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/34140 |
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| Francini,Ronaldo Bastos; Penz,Carla M.. |
| In certain times of the year, Actinote butterflies can be vastly abundant in Southeastern Brazil, thus representing conspicuous denizens of our fauna. Their wing coloration allows for the recognition of five major patterns, which probably resulted from mimicry. Furthermore, examination of series of field-collected and reared specimens clearly demonstrates a high intra-specific variation in wing color pattern. In concert, inter-specific resemblance (mimicry) and intra-specific variation make it difficult to discriminate Actinote species from each other. This key aims at providing a tool for identification of male Actinote. To that effect, we provide diagnostic characters and illustrations of wings and male genitalia for 22 species. We hope that the clear... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Butterfly; Identification; Genitalia; Mimicry. |
| Ano: 2006 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032006000100013 |
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| Branco,K.M.G.R.; Nardi,R.M.D.; Moreira,J.L.S.; Nunes,A.C.; Farias,L.M.; Nicoli,J.R.; Carvalho,M.A.R.. |
| Lactobacilli isolated from the vaginal tract of women with and without bacterial vaginosis (BV) were identified and characterized for the production of antagonists. Bacterial samples were isolated from healthy women (N = 16), from patients with clinical complaints but without BV (N = 30), and from patients with BV (N = 32). Identification was performed using amplified ribosomal DNA restriction analysis. Production of antagonistic compounds was evaluated by the double-layer diffusion technique using Gram-positive (N = 9) and Gram-negative bacteria (N = 6) as well as yeast (N = 5) as indicator strains. Of a total of 147 isolates, 133 were identified as pertaining to the genus Lactobacillus. Lactobacillus crispatus was the species most frequently recovered,... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Lactobacillus; Bacterial vaginosis; Antagonism; Hydrogen peroxide; Identification. |
| Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2010000400003 |
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| Santos,M.S.; Souza,E.S.; Junior,R.M.S.; Talhari,S.; Souza,J.V.B.. |
| Prompt and specific identification of fungemia agents is important in order to define clinical treatment. However, in most cases conventional culture identification can be considered to be time-consuming and not without errors. The aim of the present study was to identify the following fungemia agents: Candida albicans, Candida parapsilosis, Candida tropicalis, Candida glabrata, Cryptococcus neoformans, Cryptococcus gattii, and Histoplasma capsulatum using the polymerase chain reaction and restriction fragment length polymorphism analysis (PCR/RFLP). More specifically: a) to evaluate 3 different amplification regions, b) to investigate 3 different restriction enzymes, and c) to use the best PCR/RFLP procedure to indentify 60 fungemia agents from a culture... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: PCR/RFLP; Fungemia agents; Identification; Ddel. |
| Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2010000800003 |
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| Mnge,P.; Okeleye,B.I.; Vasaikar,S.D.; Apalata,T.. |
| Candida species are the leading cause of invasive fungal infections, and over the past decade there has been an increased isolation of drug resistant Candida species. This study aimed to identify the species distribution of Candida isolates and to determine their unique antifungal susceptibility and resistance patterns. During a cross-sectional study, 209 Candida isolates (recovered from 206 clinical samples) were collected and their species distribution was determined using ChromAgar Candida. The Vitek-2 system (Biomerieux, South Africa) was used to determine minimum inhibitory concentrations (MICs) to azoles (fluconazole, voriconazole), echinocandins (caspofungin, micafungin), polyenes (amphotericin B) and flucytosine. Four species of Candida were... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Candida species; Distribution; Antifungal susceptibility; Identification; South Africa. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2017000600702 |
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| Martinati,Juliana Camargo; Pacheco,Flávia Tereza Hansen; Miranda,Vitor Fernandes Oliveira de; Tsai,Siu Mui. |
| Strains of Xylella fastidiosa from several hosts (coffee, citrus, grape, almond, oleander, peach, plum, etc.) were characterized by analyzing the content of the nucleotide sequences of 16S-23S rDNA (coding for a small subunit ribosomal RNA) spacer region (ITS). Current methods for sequencing the ITS region yields partial sequences that do not contribute with significant information. According to this fact, new primers have been designed in order to obtain a complete sequence and facilitate the sequencing. The complete 16S-23S sequences from 08 strains were amplified through PCR using the primers designed in our lab. The 16S-23S sequences obtained were compared with 52 others sequences entries in GenBank database. The results revealed a higher level of... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Genetic diversity; 16S-23S rDNA; Intergenic spacer; Identification; Detection. |
| Ano: 2007 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822007000100033 |
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| Rocha,Ticiana Silva; Baptista,Ana Angelita Sampaio; Donato,Tais Cremasco; Milbradt,Elisane Lenita; Okamoto,Adriano Sakai; Andreatti Filho,Raphael Lucio. |
| In the aviculture industry, the use of Lactobacillus spp. as a probiotic has been shown to be frequent and satisfactory, both in improving bird production indexes and in protecting intestine against colonization by pathogenic bacteria. Adhesion is an important characteristic in selecting Lactobacillus probiotic strains since it impedes its immediate elimination to enable its beneficial action in the host. This study aimed to isolate, identify and characterize the in vitro and in vivo adhesion of Lactobacillus strains isolated from birds. The Lactobacillus spp. was identified by PCR and sequencing and the strains and its adhesion evaluated in vitro via BMM cell matrix and in vivo by inoculation in one-day-old birds. Duodenum, jejunum, ileum and cecum were... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Lactobacillus; Identification; Intestinal adhesion. |
| Ano: 2014 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822014000300040 |
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| Shi,Jun-Feng; Sun,Chang-Qing. |
| ABSTRACT Tomato is one of the most important vegetables in the world. Decay after harvest is a major issue in the development of tomato industry. Currently, the most effective method for controlling decay after harvest is storage of tomato at low temperature combined with usage of chemical bactericide; however, long-term usage of chemical bactericide not only causes pathogen resistance but also is harmful for human health and environment. Biocontrol method for the management of disease after tomato harvest has great practical significance. In this study, antagonistic bacterium B-6-1 strain was isolated from the surface of tomato and identified as Enterobacter cowanii based on morphological characteristics and physiological and biochemical features combined... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Antagonistic bacterium; Antifungal activity; Identification; Tomato. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822017000400706 |
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| Moraes,Paulo Ricardo de Souza; Chimara,Erica; Telles,Maria Alice da Silva; Ueki,Suely Yoko Misuka; Cunha,Eunice Atsuko Totumi; Honer,Michael Robin; Leão,Sylvia Cardoso. |
| Non-tuberculous mycobacteria isolated at the Central Public Health Laboratory from Mato Grosso do Sul in 2003 and 2004 were identified by conventional phenotypic methods (TI) and by PCR-Restriction Enzyme Analysis (PRA) using the hsp65 gene as target (PRA-hsp65). With 15 of the 32 analysed isolates, results of both methods were concordant, being 8 Mycobacterium avium, 3 M. fortutium, 1 M. kansasii, 1 M. flavescens, 1 M. peregrinum and 1 Nocardia brasiliensis. TI of 12 isolates was inconclusive. Novel PRA-hsp65 patterns were observed with 11 isolates. Medical data were evaluated for inference of clinical relevance of these isolates. |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Mycobacterium; PCR; Identification. |
| Ano: 2008 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822008000200013 |
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| Karcher,Daniel; Grenfell,Rafaella C.; Moreno,Andrea Micke; Moreno,Luisa Zanolli; Vasconcellos,Silvio Arruda; Heinemann,Marcos B.; Almeida Junior,Joao N. de; Juliano,Luiz; Juliano,Maria A.. |
| ABSTRACT Matrix Assisted Laser Desorption/Ionization and Time of Flight mass spectrometry (MALDI-TOF MS) is a powerful tool for the identification of bacteria through the detection and analysis of their proteins or fragments derived from ribosomes. Slight sequence variations in conserved ribosomal proteins distinguish microorganisms at the subspecies and strain levels. Characterization of Leptospira spp. by 16S RNA sequencing is costly and time-consuming, and recent studies have shown that closely related species (e.g., Leptospira interrogans and Leptospira kirschneri) may not be discriminated using this technology. Herein, we report an in-house Leptospira reference spectra database using Leptospira reference strains that were validated with a collection... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Leptospira; Brazil; Identification; Mass spectrometry; MALDI-TOF. |
| Ano: 2018 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822018000400900 |
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| Registros recuperados: 114 | |
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