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The genome sequence of the plant pathogen Xylella fastidiosa
The complete genome sequence of X. fastidiosa clone 9a5c is reported, providing direct evidence of phage-mediated horizontal gene transfer and indicating that the molecular basis for bacterial pathogenicity is both conserved and independent of host.
Bacterial Diversity in Tree Canopies of the Atlantic Forest
We found an extraordinary level of bacterial biodiversity in the tree leaf canopy of a tropical Atlantic forest by using culture-independent molecular methods. Our survey suggests that each tree
Intestinal bacterial community and growth performance of chickens fed diets containing antibiotics.
The changes in the composition of the intestinal bacterial community induced by antibiotics may be related to improvement in growth performance.
Antioxidant responses in bean (Phaseolus vulgaris) roots colonized by arbuscular mycorrhizal fungi.
Degradation of reactive oxygen species in arbuscular mycorrhizas (AM) may be an efficient mechanism to attenuate the activation of plant defenses and the possible roles of SOD, GPX and CAT in AM are discussed.
Brazilian Microbiome Project: Revealing the Unexplored Microbial Diversity—Challenges and Prospects
The Brazilian Microbiome Project (BMP) aims to assemble a Brazilian Metagenomic Consortium/Database, the first attempt to collect and collate information about Brazilian microbial genetic and functional diversity in a systematic and holistic manner.
Bacterial Community Assemblages Associated with the Phyllosphere, Dermosphere, and Rhizosphere of Tree Species of the Atlantic Forest are Host Taxon Dependent
Estimates of the bacterial species richness in tropical forests are greatly increased and questions concerning the ecological functions of the microbial communities that exist on different plant parts are provoked.
Bacteria diversity and microbial biomass in forest, pasture and fallow soils in the southwestern Amazon basin
O padrao de bandas em DGGE revelou menor numero of bandas por area na estacao seca, porem as diferencas na estrutura de comunidades bacterianas entre as areas of estudo foram mais bem definidas do que na estACao chuvosa.
Characterization of a putative Xylella fastidiosa diffusible signal factor by HRGC-EI-MS.
This is the first time a DSF produced by X.c.f. has been characterized and it corresponds to a methyl ester with 15 carbons, strongly suggesting that this is the identification of such a molecule.