Results 221 to 230 of about 33,036 (246)
Some of the next articles are maybe not open access.
Delineation of new proteolytic genomic species in the genus Acinetobacter
Research in Microbiology, 1989Twenty-seven proteolytic Acinetobacter strains differing phenotypically from the 12 previously described Acinetobacter species were studied by DNA/DNA hybridization using the S1 nuclease method to assess their relatedness. Five DNA groups (genomic species 13 to 17) containing 20 strains were delineated. Seven strains remained ungrouped. Within species,
P J, Bouvet, S, Jeanjean
openaire +2 more sources
Research in Microbiology, 2010
The genus Bifidobacterium comprises several species that are important contributors to the gut microbiome, with some strains having beneficial health effects. Understanding the evolutionary emergence of advantageous biological properties requires knowledge of the genetic diversity and clonal structure of species.
Alexis, Delétoile +6 more
openaire +2 more sources
The genus Bifidobacterium comprises several species that are important contributors to the gut microbiome, with some strains having beneficial health effects. Understanding the evolutionary emergence of advantageous biological properties requires knowledge of the genetic diversity and clonal structure of species.
Alexis, Delétoile +6 more
openaire +2 more sources
Accelerated Species Inventory on Madagascar Using Coalescent-Based Models of Species Delineation
Systematic Biology, 2009High-throughput DNA sequencing has the potential to accelerate species discovery if it is able to recognize evolutionary entities from sequence data that are comparable to species. The general mixed Yule-coalescent (GMYC) model estimates the species boundary from DNA surveys by identifying independently evolving lineages as a transition from coalescent
Michael T, Monaghan +10 more
openaire +2 more sources
Is the taxonomy appropriate? Delineating species for conservation purposes
2017AbstractThe first step in conservation management is to delineate groups for separate versus combined management. However, there are many problems with species delineation, including diverse species definitions, lack of standardized protocols, and poor repeatability of delineations.
Richard Frankham +7 more
openaire +1 more source
Poplar rust systematics and refinement of Melampsora species delineation
Fungal Diversity, 2011We present a review of previous taxonomic treatments of the Melampsora species occurring on poplar and describe the features associated with each spore stage in a typical poplar rust life cycle. The morphological, biological and ecological characters traditionally used for taxonomy are summarized for all Melampsora taxa, including 17 accepted species ...
Vialle, Agathe +4 more
openaire +2 more sources
Newly delineated periodontal pathogens with special reference to selenomonas species
Infection, 1989Many new species have been isolated from subgingival periodontal pockets, for example Wolinella recta and Bacteroides forsythus, reflecting better basic microbiological techniques. Other species were created from existing species as a result of better characterization methods, i.e. Bacteroides buccae and Bacteroides oris.
A, Tanner, H D, Bouldin, M F, Maiden
openaire +2 more sources
Newly recovered and delineated microbial species of the human genital tract
Infection, 1989Several new genitourinary Bacteroides species and the new Mobiluncus/Falcivibrio have been described since 1977. The normal vaginal flora consists mainly of lactobacilli and other "non-pathogenic" aerobes and anaerobes. Under unknown circumstances, organisms may increase in number, displacing the normal lactobacillus flora and raising the vaginal pH ...
openaire +2 more sources
Species delineation and autecology of Spirogyra LINK 1820
2015Abstract The green alga Spirogyra (Streptophyta, Zygnemataceae) is easily recognizable based on its vegetative morphology, which is characterized by unbranched filaments and cells that have one to several coiled chloroplasts (Kadlubowska 1984; Kolkwitz & Krieger 1941; McCourt et al. 1986; Randhawa 1959a; Transeau 1951).
openaire +1 more source
Six New Species are Delineated Within Erwinia chrysanthemi
2001After the recent genus reclassification of pectolytic Erwinias into Pectobacterium and Brenneria (1), a taxonomical reclassification of 68 strains belonging to the former E. chrysanthemi species was undertaken using DNA: DNA quantitative hybridization, and phenotypical characterization such as carbon sources for growth, enzyme productions and ...
R. Samson +3 more
openaire +1 more source