Rhizosphere Actinobacteria
Mostrando 1-9 de 9 artigos, teses e dissertações.
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1. Biologically Active Volatile Organic Compounds (VOCs) Produced by Rhizospheric Actinobacteria Strains Inhibit the Growth of the Phytopathogen Colletotrichum musae
The antifungal potential of volatile organic compounds (VOCs) produced by actinobacterial strains Streptomyces sp. (ACTB-77) and Amycolatopsis sp. (ACTB-290) from the rhizosphere of Caatinga plants against Colletotrichum musae was investigated. VOCs produced by these microorganisms (axenic and co-culture) were investigated using headspace-solid phase micro-e
Journal of the Brazilian Chemical Society. Publicado em: 2022
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2. Bactérias associadas às cactáceas da Caatinga: promoção de crescimento de plantas sob estresse hídrico / Cacti-associated bacteria from Caatinga: plant growth promotion under water stress
A Caatinga, bioma exclusivamente brasileiro, inserido no clima semiárido nordestino, apresenta xerófitas com alta resistência aos períodos de seca. Estas plantas associam-se a micro-organismos que também se encontram bem adaptados, desenvolvendo mecanismos de proteção celular contra o estresse hídrico, assim como proteção vegetal contra os efeitos
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 05/10/2012
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3. Diversity of 16S rRNA genes from bacteria of sugarcane rhizosphere soil
Sugarcane is an important agricultural product of Brazil, with a total production of more than 500 million tons. Knowledge of the bacterial community associated with agricultural crops and the soil status is a decisive step towards understanding how microorganisms influence crop productivity. However, most studies aim to isolate endophytic or rhizosphere bac
Brazilian Journal of Medical and Biological Research. Publicado em: 2011-12
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4. Bioprospecção de Actinobactérias da rizosfera de milho ( Zea mays L.) com atividade antifúngica / Bioprospection of actinobacteria from maize (Zea mays L.) rhizosphere with antifungal activity.
Actinobacteria occur in different environments and have a great potential in producing enzymes, antibiotics and medical molecules. The present work aimed the isolation, identification and the bioprospection by rhizosphere actinobactérias. Sixty strains were isolated from healthy plants of maize, cultivated in different regions Socorro, Serra Negra and Ribei
Publicado em: 2009
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5. Diversidade e bioprospecção de actinobactérias isoladas de manguezais. / Diversity and bioprospecting of actinobacteria from mangrors.
Mangroves are coastal ecosystems which occur in the areas of transition between marine and terrestrial environments throughout the tropical and subtropical regions, suffering direct tide influence. The diverse microbial communities are important to the nutrient cycling occurrence and consequently to the maintenance of these environments fauna and flora biodi
Publicado em: 2009
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6. Aplicação da espectrometria de massas na derreplicação de extratos brutos produzidos por actinobactérias isoladas da rizosfera do milho (Zea mays L.) / Mass spectrometry applied to the dereplication of crude extracts from rhizosphere actinomycetes
O objetivo deste trabalho é isolar e identificar os compostos que apresentem atividade fitotóxica presente nos extratos produzidos por actinobactérias isoladas da rizosfera do milho. Para isso foram realizados estudos de derreplicação, baseados nas informações estruturais obtidas por diversas técnicas analíticas. Em especial foi aplicada a espectrom
Publicado em: 2009
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7. Actinobactérias da rizosfera de Araucaria angustifolia com potencial biotecnológico / Rhizosphere Actinobacteria from Araucaria angustifolia with biotechnological potential
A espécie Araucaria angustifolia, pertencente ao fragilizado Bioma Mata Atlântica, foi, durante décadas, uma das maiores fontes de madeira no Brasil. Essa espécie é de grande importância sendo fonte de alimento e matéria prima para a produção de móveis, polpa de celulose e vernizes. Devido à grande importância econômica e ambiental da araucária
Publicado em: 2008
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8. Molecular Profiling of Rhizosphere Microbial Communities Associated with Healthy and Diseased Black Spruce (Picea mariana) Seedlings Grown in a Nursery
Bacterial and fungal populations associated with the rhizosphere of healthy black spruce (Picea mariana) seedlings and seedlings with symptoms of root rot were characterized by cloned rRNA gene sequence analysis. Triplicate bacterial and fungal rRNA gene libraries were constructed, and 600 clones were analyzed by amplified ribosomal DNA restriction analysis
American Society for Microbiology.
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9. Molecular Analysis of the Nitrate-Reducing Community from Unplanted and Maize-Planted Soils
Microorganisms that use nitrate as an alternative terminal electron acceptor play an important role in the global nitrogen cycle. The diversity of the nitrate-reducing community in soil and the influence of the maize roots on the structure of this community were studied. The narG gene encoding the membrane bound nitrate reductase was selected as a functional
American Society for Microbiology.