W. Achouak

Publications122
h-index40
Citations6,291
Highly Influential Citations234
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Plant host habitat and root exudates shape soil bacterial community structure
TLDR
There was also evidence for an indirect important impact of root exudates, through stimulation of SOM assimilation by a diverse bacterial community, which significantly shaped rhizosphere bacterial community structure. Expand
The desert of Tataouine: an extreme environment that hosts a wide diversity of microorganisms and radiotolerant bacteria.
TLDR
The phylogenetic diversity of prokaryotic communities exposed to arid conditions in the hot desert of Tataouine (south Tunisia) was estimated with a combination of a culture and - molecular-based analysis, revealing the presence of species related to Bacteria and Archaea. Expand
Relation between the redox state of iron-based nanoparticles and their cytotoxicity toward Escherichia coli.
TLDR
The aim of this study was to understand the relationship between the redox state of iron-based nanoparticles and their cytotoxicity toward a Gram-negative bacterium, Escherichia coli. Expand
Root exudates mediated interactions belowground
TLDR
This review focused this review on current research concerning the role of the root exudate composition in ‘plant-microorganisms’ interactions and functioning of the rhizosphere. Expand
Rhizosphere Soil Aggregation and Plant Growth Promotion of Sunflowers by an Exopolysaccharide-Producing Rhizobiumsp. Strain Isolated from Sunflower Roots
TLDR
Inoculation with strain YAS34 modified soil structure around the root system, counteracting the negative effect of water deficit on growth, and it was shown that inoculation made the use of fertilizer more effective by increasing nitrogen uptake by sunflower plantlets. Expand
Paenibacillus graminis sp. nov. and Paenibacillus odorifer sp. nov., isolated from plant roots, soil and food.
TLDR
Sixteen gram-positive endospore-forming bacteria previously isolated from soil, plant rhizospheres, plant roots and pasteurized pureed vegetables were studied to determine their taxonomic positions and were assigned to two genomospecies using DNA-DNA hybridization, in agreement with rrs gene sequence analysis. Expand
Taxonomic characterization of Ochrobactrum sp. isolates from soil samples and wheat roots, and description of Ochrobactrum tritici sp. nov. and Ochrobactrum grignonense sp. nov.
TLDR
A large collection of bacterial strains, immunotrapped from soil and from the wheat rhizoplane, was subjected to polyphasic taxonomy by examining various pheno- and genotypic parameters, indicating that REP group K strains represent a new species. Expand
Pseudomonas brassicacearum sp. nov. and Pseudomonas thivervalensis sp. nov., two root-associated bacteria isolated from Brassica napus and Arabidopsis thaliana.
TLDR
16S rDNA (rrs) gene sequencing, DNA-DNA hybridization, biochemical characterization and siderophore typing showed that these isolates belong to two different species that are distinct from other species of the genus Pseudomonas, including P. corrugata. Expand
Identification of cellulolytic bacteria in soil by stable isotope probing.
TLDR
Sequencing and phylogenetic analysis of 10 of these bands in DGGE profiles indicated that most sequences were closely related to sequences from organisms known for their ability to degrade cellulose or to uncultured soil bacteria. Expand
Genetic Diversity and Biological Control Activity of Novel Species of Closely Related Pseudomonads Isolated from Wheat Field Soils in South Australia
TLDR
Results from this study indicate that P. brassicacearum and P. thivervalensis are present in Australian soils and that a level of genetic diversity exists within these two novel species but that this diversity does not appear to be related to geographic distribution. Expand
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