Rna Secondary Structure
Mostrando 1-12 de 1566 artigos, teses e dissertações.
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1. Challenges of TiO2-composite, as a visible active photocatalyst material for SARS-CoV-2 antiviral compared with the other viruses
The efforts in dealing with COVID-19 in various aspects are continuously being carried out, such as the photocatalytic process. Interestingly, TiO2 plays an important role as an environmentally friendly photocatalyst with a visible and UV absorption range. The increase in the antiviral performance of this compound is further maximized by formulating TiO2-bas
Química Nova. Publicado em: 2022
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2. CspB of an arctic bacterium, Polaribacter irgensii KOPRI 22228, confers extraordinary freeze-tolerance
ABSTRACT Freezing temperatures are a major challenge for life at the poles. Decreased membrane fluidity, uninvited secondary structure formation in nucleic acids, and protein cold-denaturation all occur at cold temperatures. Organisms adapted to polar regions possess distinct mechanisms that enable them to survive in extremely cold environments. Among the co
Braz. J. Microbiol.. Publicado em: 2018-03
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3. Minimum free energy predicted base pairing in the 39 nt spliced leader and 5’ UTR of calmodulin mRNA from Trypanosoma cruzi: influence of the multiple trans-splicing sites
ABSTRACT We analyzed the compositional changes and the stable base pairs in the predicted secondary structure of the 5’ UTR calmodulin mRNA in T. cruzi. The three copies of calmodulin in T. cruzi genome display variable position of the trans splicing sites and give rise to several mRNA that differs slightly on 5’ UTR composition in the epimastigote stage
An. Acad. Bras. Ciênc.. Publicado em: 16/10/2017
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4. Phylogenetic study of Class Armophorea (Alveolata, Ciliophora) based on 18S-rDNA data
The 18S rDNA phylogeny of Class Armophorea, a group of anaerobic ciliates, is proposed based on an analysis of 44 sequences (out of 195) retrieved from the NCBI/GenBank database. Emphasis was placed on the use of two nucleotide alignment criteria that involved variation in the gap-opening and gap-extension parameters and the use of rRNA secondary structure t
Genet. Mol. Biol.. Publicado em: 2013
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5. Análise genético-evolutivas em espécies da família Calliphoridae (Diptera:Brachycera:Calyptratae) / Genetic and evolutionary analysis in species of the family Calliphoridae (Diptera: Brachycera: Calyptratae)
A superfamília Oestroidea (Diptera:Brachycera:Calyptratae), com +13.000 espécies descritas, compreende um dos grupos mais numerosos e ecologicamente diversos da ordem Diptera. O grupo possui grande interesse para atividades humanas por englobar espécies de importância médica, veterinária e forense, muitas das quais compõem a família Calliphoridae. Ap
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 15/02/2012
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6. Identificação e caracterização de genes codificantes de proteínas ricas em glicina ligantes de RNA em soja (Glycine max (L.) Merril)
Molecular information on plant developmental process, as well as detailed knowledge of the interaction between stress conditions and plant response to environmental factors are essential for understanding the adaptive response. Glycine-Rich Proteins (GRP) have the amino acid glycine well represented in their primary structure. The genes encoding GRPs are dev
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 2011
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7. Novel sequence variations in LAMA2 and SGCG genes modulating cis-acting regulatory elements and RNA secondary structure
In this study, we detected new sequence variations in LAMA2 and SGCG genes in 5 ethnic populations, and analysed their effect on enhancer composition and mRNA structure. PCR amplification and DNA sequencing were performed and followed by bioinformatics analyses using ESEfinder as well as MFOLD software. We found 3 novel sequence variations in the LAMA2 (c.31
Genetics and Molecular Biology. Publicado em: 29/01/2010
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8. Ki-1/57 e uma proteina intrinsecamente desordenada envolvida em mecanismos de regulação genica / Ki-1/57 is an intrinsically disordered protein involved in mechanisms of gene regulation
The Ki-1/57 protein has been discovered through the cross reactivity of the monoclonal antibody Ki-1 in Hodgkin lymphoma cells. Previously, it was demonstrated that Ki-1/57 undergoes phosphorylation by PKCs and methylation by PRMT1, an arginine methyltransferase that modulates many RNA binding proteins. Here, the interaction of Ki-1/57 with RNA polyuridine a
Publicado em: 2009
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9. Griscelli syndrome-type 2 in twin siblings: case report and update on RAB27A human mutations and gene structure
Griscelli syndrome (GS) is a rare autosomal recessive disorder caused by mutation in the MYO5A (GS1, Elejalde), RAB27A (GS2) or MLPH (GS3) genes. Typical features of all three subtypes of this disease include pigmentary dilution of the hair and skin and silvery-gray hair. Whereas the GS3 phenotype is restricted to the pigmentation dysfunction, GS1 patients a
Brazilian Journal of Medical and Biological Research. Publicado em: 2008-10
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10. Descripción del ARN de transferencia mitocondrial para Serina (UCN) de Lutzomyia columbiana (Diptera, Psychodidae)
The sand fly Lutzomyia columbiana is considered a suspected vector of Leishmania mexicana and Leishmania braziliensis in Colombia. Lu. columbiana belongs to the Lutzomyia verrucarum species group, which included some sibling species. This has motivated the search for molecular markers to distinguish these taxa. In this paper, we described for the first time
Revista Brasileira de Entomologia. Publicado em: 2008
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11. Functional and structural analysis of the BigR protein from Xylella fastidiosa involved in the regulation of Xf0768-0764 operon / Analise funcional e estrutural da proteina BigR de Xylella fastidiosa envolvida na regulação do operon Xf0768-0764
The XF0767 gene from Xylella fastidiosa is located in an operon composed by a set of genes (XF0768-XF0767-XF0766-XF0765-XF0764) of unknown function. This operon is conserved in a number of plant-associated bacteria including Agrobacterium tumefaciens, Mezorhizobium loti e Sinorhizobium meliloti. The DNA region upstream of the operon has canonical sequences c
Publicado em: 2008
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12. Use of artificial neural networks with Monte Carlo simulation applied to the protein folding problem / Uso de redes neurais artificiais na simulação Monte Carlo aplicado ao problema de dobramento de proteínas
This work proposes a new strategy to optimize the Monte Carlo method (MC) applied to the protein folding problem. This strategy is based on the information obtained from Artificial Neural Networks (ANNs), trained to predict the protein secondary structure. The work presents, initially, background knowledge about proteins and their structure. Follows an intro
Publicado em: 2006