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| Registros recuperados: 13 | |
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| D'Agostini,Érica Clarissa; Mantovani,Talita Rafaele D'Agostini; Valle,Juliana Silveira do; Paccola-Meirelles,Luzia Doretto; Colauto,Nelson Barros; Linde,Giani Andrea. |
| Basidiomycetes are laccase producers used for hydrolysis of lignocellulosic byproducts in fermentative processes and could be used on biofuel production or ruminant feeding. The objective of this study was to evaluate the effect of concentrations of non-protein nitrogen sources on laccase production and mycelial growth of Pleurotus ostreatus, Lentinula edodes and Agaricus blazei. The fungi were grown on soybean hulls to which urea (U), ammonium sulfate (AS) or mixture of AS:U (1:1) were added to achieve carbon/nitrogen (C/N) ratios of 5, 15, 20 or 30. The average longitudinal mycelial growth was measured and laccase activity was determined by the oxidation of 2,2'-azino-bis-3-ethylbenzothiazoline-6-sulfonic acid. Higher C/N ratios increased mycelial growth... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Industrial byproduct; Lignocellulolytic; Enzyme; Lignolytic; Soybean hull. |
| Ano: 2011 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162011000300004 |
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| Souza-Paccola,Ednéia Aparecida de; Bomfeti,Cleide Aparecida; Tanaka,Francisco André Ossamu; Massola Junior,Nelson Sidnei; Colauto,Nelson Barros; Figueiredo,José Edson Fontes; Paccola-Meirelles,Luzia Doretto. |
| Anthracnose, caused by Colletotrichum sublineolum Henn. ex Sacc. & Trotter, is one of the most important sorghum [Sorghum bicolor (L.) Moench] diseases in Brazil. This fungus exhibits conidial dimorphism, producing either falcate or oval conidia on solid and liquid media, respectively. We compared patterns of the initial infection events by these two types of conidia on sorghum leaves using light microscopy and scanning electron microscopy. The infection events during the first 24 h were similar for both oval and falcate conidia. Globose and melanized apressoria were formed at 24 h after inoculation (hai) regardless of the conidia type. Dense mycelium and oval conidia developed from germinated falcate conidia at 32 hai. Hyphal mass displaying acervuli... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Sorghum bicolor; Anthracnose; Conidial dimorphism; Infection biology; Secondary sporulation. |
| Ano: 2015 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162015000400351 |
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| Raimundo,Keila Fernanda; Bortolucci,Wanessa de Campos; Glamočlija,Jasmina; Soković,Marina; Gonçalves,José Eduardo; Linde,Giani Andrea; Colauto,Nelson Barros; Gazim,Zilda Cristiani. |
| ABSTRACT Gallesia integrifolia (Phytolaccaceae) is native to Brazil and has a strong alliaceous odor. The objective of this study was to identify the chemical composition of G. integrifolia fruit essential oil and evaluate fungicidal activity against the main food-borne diseases and food spoilage fungi. The essential oil was extracted by hydrodistillation and identified by GC–MS. From 35 identified compounds, 68% belonged to the organosulfur class. The major compounds were dimethyl trisulfide (15.49%), 2,8-dithianonane (52.63%) and lenthionine (14.69%). The utilized fungi were Aspergillus fumigatus, Aspergillus niger, Aspergillus ochraceus, Aspergillus versicolor, Penicillium funiculosum, Penicillium ochrochloron, Penicillium verrucosum var. cyclopium, and... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Pau d’alho 2; 8-Dithianonane Lenthionine Aspergillus sp. Penicillium sp.. |
| Ano: 2018 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822018000500229 |
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| Zaghi Júnior,Lienine Luiz; Lopes,Ana Daniela; Cordeiro,Fábio Aparecido; Colla,Itaruã Machri; Bertéli,Míria Benetati Delgado; Valle,Juliana Silveira do; Linde,Giani Andrea; Colauto,Nelson Barros. |
| Abstract Agaricus subrufescens is a basidiomycete which is studied because of its medicinal and gastronomic importance; however, less attention has been paid to its preservation. This study aimed to evaluate the effect of sucrose addition to substrate and cryotube on the viability of Agaricus subrufescens cryopreserved at -20 °C and at -75 °C for one and two years. Zero, 10% or 20% sucrose was added to potato dextrose agar or wheat grain. The mycelia were cryopreserved in the absence of cryoprotectant or with sucrose solutions at 15%, 30% or 45%. After one or two years at -75 °C or at -20 °C, mycelia were thawed and evaluated about viability, initial time of growth, colony diameter and genomic stability. Cryopreservation at -20 °C is not effective to keep... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Preservation; Freeze; Cereal grain; Monosaccharide; Agaricus blazei. |
| Ano: 2018 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822018000200370 |
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| Linde,Giani Andrea; Magagnin,Glênio; Costa,Jorge Alberto Vieira; Bertolin,Telma Elita; Colauto,Nelson Barros. |
| This study aimed to determine the influence of process variables and production, of polygalacturonase (PG) and polymetylgalacturonase (PMG) by solid substrate cultivation using a fixed bed column bioreactor. A fractional factorial design (FFD) was used to study the effect of the following variables: microorganism (Aspergillus oryzae and Aspergillus niger), substratum (wheat bran and defatted rice bran), aeration (40 and 60 ml h-1g-1), pectin (5 and 10 g g-1) and nitrogen (urea and ammonium sulfate). Microorganism, aeration and initial pectin were identified in FFD as significant variables (p<0.05) on PG production. A central composed design to optimize PG and PMG productions indicated that Aspergillus niger presents higher PG production; substratum and... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Solid state fermentation; Agro-industrial residues; Pectinase. |
| Ano: 2007 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822007000300033 |
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| Linde,Giani Andrea; Luciani,Alana; Lopes,Ana Daniela; Valle,Juliana Silveira do; Colauto,Nelson Barros. |
| Abstract Basidiomycetes have several biotechnological and industrial applications such as enzyme production, bioremediation, pharmaceutical and functional food production. Due to climatic features, the preservation of several basidiomycetes is threatened, and to guarantee the preservation of this genetic resource, the development of long-term preservation techniques is necessary once there is no universal protocol for the cryopreservation of basidiomycetes. Cryopreservation is a technique in which microorganisms are submitted to ultralow temperatures. Therefore, this study aimed to collect information on the main conditions for long-term cryopreservation of basidiomycetes in the last 20 years. Scientific articles on cryopreservation of basidiomycetes... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Preservation; Substrate; Fungi; Mycelial viability; Cryoprotectant. |
| Ano: 2018 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822018000200220 |
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| Colauto,Nelson Barros; Silveira,Adriano Reis da; Eira,Augusto Ferreira da; Linde,Giani Andrea. |
| This study aimed to verify the biological efficiency and production flushes of Agaricus blazei strains on different casing layers during 90 cultivation days. Four casing layers were used: mixture of subsoil and charcoal (VCS), lime schist (LSC), São Paulo peat (SPP) and Santa Catarina peat (SCP); and two genetically distant A. blazei strains. The fungus was grown in composted substratum and, after total colonization, a pasteurized casing layer was added over the substratum, and fructification was induced. Mushrooms were picked up daily when the basidiocarp veil was stretched, but before the lamella were exposed. The biological efficiency (BE) was determined by the fresh basidiocarp mass divided by the substratum dry mass, expressed in percentage. The... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Production flush; Agaricus brasiliensis; Casing layer; Water management; Agaricus subrufescens. |
| Ano: 2011 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822011000200026 |
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| Mourão,Francielly; Linde,Giani Andrea; Messa,Valdeci; Cunha Júnior,Paulo Luiz da; Silva,Aristeu Vieira da; Eira,Augusto Ferreira da; Colauto,Nelson Barros. |
| The fungus Agaricus brasiliensis is a Basidiomycete studied because of its immunomodulation and/or antitumor substances. The objective of this study was to verify the Agaricus brasiliensis antineoplasic activity in vivo on different basidiocarp maturation phases on Sarcoma 180 cells implanted in mice. Sarcoma cells were implanted in mice and after seven days mice were divided in three groups. The first group was treated with saline solution, the second group was treated with closed basidiocarp extract solution and the third group was treated with opened basidiocarp extract solution. After 30 days of being daily orally treated with these three solutions all animals suffered euthanasia, and the splenic index, tumor mass and volume were determined. No... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Agaricus blazei; Basidiome; Active principle; Antitumor; Fungus extract. |
| Ano: 2009 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822009000400022 |
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| Registros recuperados: 13 | |
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