2017
DOI: 10.1002/jobm.201600636
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Metabolomics analysis of fungal biofilm development and of arachidonic acid‐based quorum sensing mechanism

Abstract: The infections caused by filamentous fungi are becoming worldwide problem of healthcare systems due to increasing drug-resistance of this microorganism and increasing number of immunocompromised nosocomial patients. These infections are related with Aspergillus ability to form sessile communities referred to as the biofilms. The small compounds known as quorum sensing (QS) molecules allow this microorganism to coordinate all processes taking place during biofilm formation and maturation. In the study presented… Show more

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Cited by 6 publications
(5 citation statements)
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References 37 publications
(38 reference statements)
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“…Some studies have used metabolomics to investigate the determinants of the phenotypic switch between planktonic and biofilm state or the differences between the two states. For instance, studies by Gjersing et al (140), Yeom et al (141), Chavez-Dozal et al (142), Stipetic et al (111), Zhang et al (143), Favre et al (144), and Zabek et al (145) investigated the differences between the planktonic and biofilm states in P. aeruginosa, Acinetobacter baumanii, V. fischeri, S. aureus, Desulfovibrio vulgaris, Pseudoalteromonas lipolytica, and Aspergillus respectively. While most of these studies used an untargeted approach, targeted approach was used specifically by Zhang et al and Chavez-Dozal et al…”
Section: Current Applications Of Biofilm Metabolomicsmentioning
confidence: 99%
“…Some studies have used metabolomics to investigate the determinants of the phenotypic switch between planktonic and biofilm state or the differences between the two states. For instance, studies by Gjersing et al (140), Yeom et al (141), Chavez-Dozal et al (142), Stipetic et al (111), Zhang et al (143), Favre et al (144), and Zabek et al (145) investigated the differences between the planktonic and biofilm states in P. aeruginosa, Acinetobacter baumanii, V. fischeri, S. aureus, Desulfovibrio vulgaris, Pseudoalteromonas lipolytica, and Aspergillus respectively. While most of these studies used an untargeted approach, targeted approach was used specifically by Zhang et al and Chavez-Dozal et al…”
Section: Current Applications Of Biofilm Metabolomicsmentioning
confidence: 99%
“…25 Como a maioria dos estudos de metabólitos microbianos envolve um procedimento de extração, em grande parte dos casos, o quenching metabólico é realizado simplesmente como a etapa de congelamento da biomassa em baixas temperaturas e, em seguida, separada do meio extracelular por centrifugação, seguindo-se para o passo de lavagem. [26][27][28][29][30][31] Para uma descrição válida do metaboloma intracelular as etapas de lavagem e quenching metabólico são cruciais. A lavagem deve efetivamente remover os componentes do meio extracelular e o quenching deve interromper as atividades metabólicas dentro da célula.…”
Section: Amostragem E Preparo De Amostrasunclassified
“…A distinção entre as diferentes fontes de variação nos dados, por exemplo correlacionada versus ortogonal, impõe uma importante vantagem da OPLS-DA na visualização e interpretação dos dados em relação à PLS-DA, e tem sido amplamente aplicada na modelagem e descoberta de importantes compostos na análise metabolômica de micro-organismos. 26,37,44,64,67 A PCA foi empregada para avaliar a diferença no perfil lipídico de diferentes espécies de Cryptococcus sp, nos quais os principais compostos responsáveis pela diferenciação foram identificados. 84 Tanto o pré-processamento quanto a aplicação de ferramentas multivariadas foram utilizadas para a classificação de amostras de Bacillus sp.…”
Section: Análise De Dadosunclassified
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