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Article
The microbiome of a shell mound: ancient anthropogenic waste as a source of Streptomyces degrading recalcitrant polysaccharides
Metagenome amplicon DNA sequencing and traditional cell culture techniques are hel** to uncover the diversity and the biotechnological potential of prokaryotes in different habitats around the world. It has ...
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Article
In silico comparative analysis of Aeromonas Type VI Secretion System
Aeromonas are bacteria broadly spread in the environment, particularly in aquatic habitats and can induce human infections. Several virulence factors have been described associated with bacterial pathogenicity, s...
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Article
Open AccessGenome comparison between clinical and environmental strains of Herbaspirillum seropedicae reveals a potential new emerging bacterium adapted to human hosts
Herbaspirillum seropedicae is an environmental β-proteobacterium that is capable of promoting the growth of economically relevant plants through biological nitrogen fixation and phytohormone production. However, ...
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Article
Open AccessDirect and indirect effects of a pH gradient bring insights into the mechanisms driving prokaryotic community structures
pH is frequently reported as the main driver for prokaryotic community structure in soils. However, pH changes are also linked to “spillover effects” on other chemical parameters (e.g., availability of Al, Fe,...
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Article
Open AccessGFinisher: a new strategy to refine and finish bacterial genome assemblies
Despite the development in DNA sequencing technology, improving the number and the length of reads, the process of reconstruction of complete genome sequences, the so called genome assembly, is still complex. ...
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Article
Woody Mimosa species are nodulated by Burkholderia in ombrophylous forest soils and their symbioses are enhanced by arbuscular mycorrhizal fungi (AMF)
Mimosa is one of the largest genera in the Fabaceae, and includes several trees. They form symbioses with rhizobia and arbuscular mycorrizhal fungi (AMF), which improve nutrition and g...
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Chapter
Regulation of Nitrogenase by Reversible Mono-ADP-Ribosylation
Posttranslational modification of proteins plays a key role in the regulation of a plethora of metabolic functions. Protein modification by mono-ADP-ribosylation was first described as a mechanism of action of...
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Article
Diversity and symbiotic effectiveness of beta-rhizobia isolated from sub-tropical legumes of a Brazilian Araucaria Forest
While the occurrence of Betaproteobacteria occupying the nodules of tropical legumes has been shown, little is known about subtropical areas. Araucaria Forest is a subtropical endangered ecosystem, and a bette...
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Article
Herbaspirillum-plant interactions: microscopical, histological and molecular aspects
Diazotrophic species in the genus Herbaspirillum (e.g. H. frisingense, H. rubrisubalbicans and H. seropedicae) associate with several economically important crops in the family Poaceae, such as maize (Zea mays),
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Article
Open AccessThe type III secretion system is necessary for the development of a pathogenic and endophytic interaction between Herbaspirillum rubrisubalbicans and Poaceae
Herbaspirillum rubrisubalbicans was first identified as a bacterial plant pathogen, causing the mottled stripe disease in sugarcane. H. rubrisubalbicans can also associate with various plants of economic interest...
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Article
Characterization of the orf1glnKamtB operon of Herbaspirillum seropedicae
Herbaspirillum seropedicae is an endophytic nitrogen-fixing bacterium that colonizes economically important grasses. In this organism, the amtB gene is co-transcribed with two other genes: glnK that codes for a P...
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Article
Fatty acid composition of lipids present in selected lichenized fungi: A chemoty** study
The total-lipid composition of 21 lichens of the ascomycetous genera Cladonia (11) and Cladina (1) of the family Cladoniacea, Cladia (1), Parmotrema (3), Ramalina (2), Leptogium (1), Cetraria (1), and the basidio...