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Registros recuperados: 7
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Co-occurrence patterns of litter decomposing communities in mangroves indicate a robust community resistant to disturbances. Repositório Alice
TAKETANI, R. G.; MOITINHO, M. A.; MAUCHLINE, T.; MELO, I. S. de.
Abstract: Background. Mangroves are important coastal ecosystems known for high photosynthetic productivity and the ability to support marine food chains through supply of dissolved carbon or particular organic matter. Most of the carbon found in mangroves is produced by its vegetation and is decomposed in root associated sediment. This process involves a tight interaction between microbial populations, litter chemical composition, and environmental parameters. Here, we study the complex interactions found during litter decomposition in mangroves by applying network analysis to metagenomic data.
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Litter decomposition; Mangue; Planta; Decomposição; Bactéria; Mangrove forests; Metagenomics.
Ano: 2018 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1098904
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Interspecific variation of the bacterial community structure in the Phyllosphere of the three major plant components of mangrove forests. Repositório Alice
DIAS, A. C. F.; TAKETANI, R. G.; ANDREOTE, F. D.; LUVIZOTTO, D. M.; SILVA, J. L. da; NASCIMENTO, R. dos S.; MELO, I. S. de.
ABSTRACT: Mangrove forests encompass a group of trees species that inhabit the intertidal zones, where soil is characterized by the high salinity and low availability of oxygen. The phyllosphere of these trees represent the habitat provided on the aboveground parts of plants, supporting in a global scale, a large and complex microbial community. The structure of phyllosphere communities reflects immigration, survival and growth of microbial colonizers, which is influenced by numerous environmental factors in addition to leaf physical and chemical properties. Here, a combination of culture-base methods with PCR-DGGE was applied to test whether local or plant specific factors shape the bacterial community of the phyllosphere from three plant species...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Culture-independent profiling; Plant genotype; Surface leaves; Mangue; Bactéria; Planta; Phyllosphere; Mangrove forests.
Ano: 2012 URL: http://www.alice.cnptia.embrapa.br/handle/doc/942708
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Isolation and enzyme bioprospection of endophytic bacteria associated with plants of Brazilian mangrove ecosystem. Repositório Alice
CASTRO, R. A.; QUECINE, M. C.; LACAVA, P. T.; BATISTA, B. D.; LUVIZOTTO, D. M.; MARCON, J.; FERREIRA, A.; MELO, I. S. de; AZEVEDO, J. L..
Abstract: The mangrove ecosystem is a coastal tropical biome located in the transition zone between land and sea that is characterized by periodic flooding, which confers unique and specific environmental conditions on this biome. In these ecosystems, the vegetation is dominated by a particular group of plant species that provide a unique environment harboring diverse groups of microorganisms, including the endophytic microorganisms that are the focus of this study. Because of their intimate association with plants, endophytic microorganisms could be explored for biotechnologically significant products, such as enzymes, proteins, antibiotics and others. Here, we isolated endophytic microorganisms from two mangrove species, Rhizophora mangle and Avicennia...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Mangrove; Endophytes; Bacteria; Biotechnological potential; Enzymes; Bactéria; Enzima; Mangue; Endophytes; Bacteria; Mangrove forests; Enzymes.
Ano: 2014 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1003307
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Mangrove endophyte promotes reforestation tree (Acacia polyphylla) growth. Repositório Alice
CASTRO, R. A.; DOURADO, M. N.; ALMEIDA, J. R. de; LACAVA, P. T.; NAVE, A.; MELO, I. S. de; AZEVEDO, J. L. de; QUECINE, M. C..
Mangroves are ecosystems located in the transition zone between land and sea that serve as a potential source of biotechnological resources. Brazil's extensive coast contains one of the largest mangrove forests in the world (encompassing an area of 25,000 km2 along all the coast). Endophytic bacteria were isolated from the following three plant species: Rhizophora mangle, Laguncularia racemosa and Avicennia nitida. A large number of these isolates, 115 in total, were evaluated for their ability to fix nitrogen and solubilize phosphorous. Bacteria that tested positive for both of these tests were examined further to determine their level of indole acetic acid production. Two strains with high indole acetic acid production were selected for use as inoculants...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Endophytic bacteria; IAA; Phosphorus and plant growth promoting bacteria; Mangue; Bactéria; Estimulante de crescimento vegetal; Mangrove forests; Bacteria; Avicennia; Rhizophora mangle; Laguncularia racemosa; Growth promotion.
Ano: 2018 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1087571
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Manguezais: potencial fonte de microrganismos para o uso como agentes de biocontrole da podridão radicular e promotores de crescimento de plantas em hidroponia. Infoteca-e
CORRÊA, E. B.; GALVAO, J. A. H.; BETTIOL, W..
Resumo: Microrganismos residentes de manguezais são adaptados aos baixos teores de oxigênio e flutuações de salinidade, condições encontradas em ambientes hidropônicos. Essa adaptação ecológica torna esses microrganismos em potenciais agentes de controle biológico de podridões radiculares, importantes doenças que incidem sobre cultivos hidropônicos e promotores de crescimento de plantas, pois um dos principais problemas encontrados no biocontrole e na promoção de crescimento em hidroponia é a baixa adaptação dos microrganismos introduzidos. O objetivo do trabalho foi avaliar a capacidade de 28 isolados de microrganismos residentes de manguezais no controle da podridão radicular causada por Pythium aphanidermatum e na promoção de crescimento em pepino...
Tipo: Boletim de Pesquisa e Desenvolvimento (INFOTECA-E) Palavras-chave: Promoção de crescimento; Gordonia rubripertincta; Pseudomonas stutzeri; Bacillus cereus; Controle biológico; Mangue; Estimulante de crescimento vegetal; Podridão radicular; Pythium aphanidermatum; Biological control; Growth promotion; Mangrove forests; Root rot.
Ano: 2011 URL: http://www.infoteca.cnptia.embrapa.br/handle/doc/908070
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Particulate Matter in Mangrove Forests and Seagrass Beds as a Nitrogen Source in Tropical Coastal Ecosystems ArchiMer
Gillis, Lucy G.; Bouma, Tjeerd J.; Cathalot, Cecile; Ziegler, Alan D.; Herman, Peter M..
We show in laboratory and field investigations that in the short-term seagrasses obtain most of their required nitrogen from the degradation of seagrass leaves, rather than degradation of leaves exported from adjacent mangroves. Mangrove forests at our Thailand site retain the majority of their nutrients, and therefore potentially buffer seagrasses from nutrients.
Tipo: Text Palavras-chave: Buffering; Mangrove forests; Nitrogen; Outwelling; Particulate organic material; Seagrass beds.
Ano: 2015 URL: http://archimer.ifremer.fr/doc/00266/37731/42021.pdf
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The microbiome of brazilian mangrove sediments as revealed by metagenomics. Repositório Alice
ANDREOTE, F. D.; JIMENEZ, D. J.; CHAVES, D.; DIAS, A. C. F.; LUVIZOTTO, D. M.; DINI-ANDREOTE, F.; FASANELLA, C .C.; VARON LOPEZ, M.; BAENA, S.; TAKETANI, R. G.; MELO, I. S. de.
ABSTRACT: Here we embark in a deep metagenomic survey that revealed the taxonomic and potential metabolic pathways aspects of mangrove sediment microbiology. The extraction of DNA from sediment samples and the direct application of pyrosequencing resulted in approximately 215 Mb of data from four distinct mangrove areas (BrMgv01 to 04) in Brazil. The taxonomic approaches applied revealed the dominance of Deltaproteobacteria and Gammaproteobacteria in the samples. Paired statistical analysis showed higher proportions of specific taxonomic groups in each dataset. The metabolic reconstruction indicated the possible occurrence of processes modulated by the prevailing conditions found in mangrove sediments. In terms of carbon cycling, the sequences indicated...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Metagenômica; Mangue; Bactéria; Sedimento; Mangrove forests; Sediments; Metagenomics; Delta-Proteobacteria; Gamma-Proteobacteria.
Ano: 2012 URL: http://www.alice.cnptia.embrapa.br/handle/doc/943451
Registros recuperados: 7
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