Results 31 to 40 of about 587 (58)

Functional Cargo in Membrane Vesicles From a Citrus Pathogen

Environmental Microbiology Reports, Volume 17, Issue 4, August 2025.
ABSTRACT The causative agent of citrus canker disease, Xanthomonas citri pv. citri, was found to produce copious amounts of outer membrane vesicles (OMVs), frequently forming long membranous tubes under different culture conditions. Lipidomic analysis revealed significant differences in lipid composition between purified vesicles in relation to whole ...
Gabriel G. Araujo, Matheus M. Conforte, Aline D. da Purificação, Iris Todeschini, Edgar E. Llontop, Claudia B. Angeli, Alex Inague, Marcos Y. Yoshinaga, Robson F. de Souza, Rodrigo Papai, Maciel S. Luz, Sayuri Miyamoto, Giuseppe Palmisano, Chuck S. Farah, Cristiane R. Guzzo   +14 more
wiley   +1 more source

Structural Insights Into Papain‐Derived Synthetic Antibacterial Peptides for Targeting Klebsiella pneumoniae

Chemical Biology &Drug Design, Volume 105, Issue 5, May 2025.
The synthetic peptides WK‐MAP1 and WG‐MAP2, bioinspired by papain, demonstrated optimized activity, particularly against multidrug‐resistant Klebsiella pneumoniae, with improved sequence interaction profiles, membrane affinity, and predicted antimicrobial and antibiofilm efficacy, supporting their potential as therapeutic peptide candidates.
Marcos Antônio Ferreira, Patrícia Souza e Silva, Adriel Parahyba Lacerda, Pedro de Mattos Franco, Fhillipe Ferreira Deodato da Silva, Thalis Ferreira de Souza, Maria Ligia R. Macedo, Ludovico Migliolo, Jefferson Soares de Oliveira   +8 more
wiley   +1 more source

Purification of amyloglucosidase from Aspergillus niger
Purificação de amiloglicosidase de Aspergillus niger

Semina: Ciências Agrárias, 2011
In this work, test were carried out to determine the best conditions for the purification of amyloglucosidase from Aspergillus niger NRRL 3122, using a fixed-bed ion exchange chromatography column.
Susana Juliana Kalil, Simone Meinhardt, Ana Paula Manera   +2 more
doaj   +1 more source

Impacts of higher daytime temperatures on viable pollen and fruit production in common Cerrado tree Byrsonima pachyphylla (Malpighiaceae)

Biotropica, Volume 56, Issue 5, September 2024.
Temperatures in the Brazilian Cerrado—an important, complex, and biodiverse savannah ecosystem–are increasing, potentially impacting many aspects of plant development and function, including sexual reproduction, which is thought to be particularly sensitive to temperature stress.
Georgina A. Werkmeister, David R. Galbraith, Márcia Cardoso Silva, Jairo Matos Rocha, Milene Alves Oliveira Lima, Pedro Gabriel Tubin, Beatriz Schwantes Marimon, Ben Hur Marimon‐Junior, David Ashley, Santiago Clerici, Oliver L. Phillips, Emanuel Gloor   +11 more
wiley   +1 more source

Estudo do branqueamento de óleo de peixe utilizando-se a bentonita sódica através de planejamento fatorial

Semina: Ciências Exatas e Tecnológicas, 2011
Neste trabalho foi realizado um planejamento experimental 24, com o objetivo de otimizar o processo de branqueamento de óleo de peixe, utilizando-se da bentonita sódica como adsorvente, a partir da influência de variáveis como: massa de bentonita sódica,
Caio Guilherme Secco Souza, Reinaldo Aparecido Bariccatti, Márcia Regina Simões, José Dilson Silva de Oliveira   +3 more
doaj   +1 more source

Study of selection and purification of Brazilian bentonite clay by elutriation: a XRF, SEM and Rietveld analysis

Cerâmica, 2016
Clays obtained from nature have a lot of impurities. Therefore, for best using of these materials, it is necessary its selection and purification. Thus, the aim of this work is to separate and to purify the smectite fractions using water as a solvent at ...
J. L. Alves, A. E. Zanini, M. E. de Souza, M. L. F. Nascimento   +3 more
doaj   +1 more source

Production, purification and characterization of a thermostable β-1,3-glucanase (laminarinase) produced by Moniliophthora perniciosa

Anais da Academia Brasileira de Ciências, 2011
The enzyme glucanase from Moniliophthora perniciosa was produced in liquid medium and purified from the culture supernatant. A multivariate statistical approach (Response Surface Methodology - RSM) was employed to evaluate the effect of variables ...
Amanda R. Sena, Gildomar L.V. Júnior, Aristóteles Góes Neto, Alex G. Taranto, Carlos P. Pirovani, Júlio C.M. Cascardo, Russolina B. Zingali, Marcos A. Bezerra, Sandra A. Assis   +8 more
doaj  

Purification and biochemical characterization of an extracellular lipase produced by a new strain of Rhizopus sp. Purificação e caracterização bioquímica de lipase extracelular produzida por uma nova linhagem de Rhizopus sp.

Ciência e Agrotecnologia, 2006
The present study had as a goal to purify and characterize the lipolytic fraction secreted by a strain of Rhizopus sp. Only 3 steps of purification were necessary to achieve SDS-PAGE homogeneity.
Maria Gabriela Bello Koblitz, Gláucia Maria Pastore   +1 more
doaj   +1 more source

Production, purification and characterization of an exo-polygalacturonase from Penicillium janthinellum sw09

Anais da Academia Brasileira de Ciências, 2016
A soil isolate, Penicillium janthinellum sw09 has been found to produce significant amounts of an extracellular pectinase subsequently characterized as exo-polygalacturonase (exo-PG). By optimizing growth conditions, P.
YUPING MA, SIWEN SUN, HUI HAO, CHUNPING XU   +3 more
doaj   +1 more source

Purificação e caracterização de alfa-galactosidases de sementes de Platymiscium pubescens Micheli Purification and characterization of alpha-galactosidases from Platymiscium pubescens Micheli seeds

Revista Árvore, 2005
Este trabalho objetivou foi determinar a composição bioquímica de sementes de espécies florestais e caracterizar a enzima alfa-galactosidase de sementes germinadas de Platymiscium pubescens. Os maiores teores de lipídios foram determinados em sementes de
Giordani de Oliveira, Valéria Monteze Guimarães, Eduardo Euclydes de Lima e Borges, Lilian da Silva Fialho, Maria Goreti de Almeida e Oliveira, Sebastião Tavares de Rezende   +5 more
doaj   +1 more source