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Registros recuperados: 4
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Comparison of different protocols for the extraction of microbial DNA from reef corals BJM
Santos,H.F.; Carmo,F.L.; Leite,D.C.A.; Jesus,H.E.; De Carvalho Maalouf,P.; Almeida,C.; Soriano,A.U.; Altomari,D.; Suhett,L.; Vólaro,V.; Valoni,E.; Francisco,M.; Vieira,J.; Rocha,R.; Sardinha,B.L.; Mendes,L.B.; João,R.R.; Lacava,B.; Jesus,R.F.; Sebastian,G.V.; Pessoa,A.; van Elsas,J.D.; Rezende,R.P.; Pires,D.O.; Duarte,G.; Castro,C.B.; Rosado,A.S.; Peixoto,R.S..
This study aimed to test different protocols for the extraction of microbial DNA from the coral Mussismilia harttii. Four different commercial kits were tested, three of them based on methods for DNA extraction from soil (FastDNA SPIN Kit for soil, MP Bio, PowerSoil DNA Isolation Kit, MoBio, and ZR Soil Microbe DNA Kit, Zymo Research) and one kit for DNA extraction from plants (UltraClean Plant DNA Isolation Kit, MoBio). Five polyps of the same colony of M. harttii were macerated and aliquots were submitted to DNA extraction by the different kits. After extraction, the DNA was quantified and PCR-DGGE was used to study the molecular fingerprint of Bacteria and Eukarya. Among the four kits tested, the ZR Soil Microbe DNA Kit was the most efficient with...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Coral; Microbial diversity; DNA extraction.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822012000200012
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Comparison of DNA extraction protocols for microbial communities from soil treated with biochar BJM
Leite,D.C.A.; Balieiro,F.C.; Pires,C.A.; Madari,B.E.; Rosado,A.S.; Coutinho,H.L.C.; Peixoto,R.S..
Many studies have evaluated the effects of biochar application on soil structure and plant growth. However, there are very few studies describing the effect of biochar on native soil microbial communities. Microbial analysis of environmental samples requires accurate and reproducible methods for the extraction of DNA from samples. Because of the variety among microbial species and the strong adsorption of the phosphate backbone of the DNA molecule to biochar, extracting and purifying high quality microbial DNA from biochar-amended soil is not a trivial process and can be considerably more difficult than the extraction of DNA from other environmental samples. The aim of this study was to compare the relative efficacies of three commercial DNA extraction...
Tipo: Info:eu-repo/semantics/other Palavras-chave: Biochar; DNA extraction; PCR-DGGE; Microbial communities; DNA purity indices.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822014000100023
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Diversity of the candidate phylum Poribacteria in the marine sponge Aplysina fulva BJM
Hardoim,C.C.P.; Cox,C.J.; Peixoto,R.S.; Rosado,A.S.; Costa,R.; Elsas,J.D. van.
Poribacterial clone libraries constructed for Aplysina fulva sponge specimens were analysed with respect to diversity and phylogeny. Results imply the coexistence of several, prevalently "intraspecific" poribacterial genotypes in a single sponge host, and suggest quantitative analysis as a desirable approach in studies of the diversity and distribution of poribacterial cohorts in marine sponges.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Marine sponges; Bacterial diversity; Bacterial phylogeny; 16S rRNA gene.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822013000100048
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Tank bromeliad water: similar or distinct environments for research of bacterial bioactives? BJM
Carmo,F.L.; Santos,H.F.; Peixoto,R.S.; Rosado,A.S.; Araujo,F.V..
The Atlantic Rainforest does not have a uniform physiognomy, its relief determines different environmental conditions that define the composition of its flora and fauna. Within this ecosystem, bromeliads that form tanks with their leaves hold water reservoirs throughout the year, maintaining complex food chains, based mainly on autotrophic and heterotrophic bacteria. Some works concluded that the water held by tank bromeliads concentrate the microbial diversity of their ecosystem. To investigate the bacterial diversity and the potential biotechnology of these ecosystems, tank bromeliads of the Neoregelia cruenta species from the Atlantic Rainforest in Brazil were used as models for this research. Bacteria isolated from these models were tested for...
Tipo: Info:eu-repo/semantics/other Palavras-chave: Bromeliad; Atlantic Rainforest; Bacteria communities; DGGE.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822014000100024
Registros recuperados: 4
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