Sentence examples for evolution of a bacterial from inspiring English sources

Insertions and deletions are important in the evolution of a bacterial species.

First, the distribution and location of insertion elements in a genome is a potent tool to track the evolution of a bacterial strain [ 4- 7].

The emergence and pandemic spread of V. cholerae O139 Bengal represented a chance to examine evolution of a bacterial strain in the midst of a clonal expansion.

A positive relationship, rather than a trade-off, was also observed after experimental evolution of a bacterial parasite of Paramecium (Nidelet et al. 2009).

For example, identification of the recombination events underlying a major switch in substrate specificity during evolution of a bacterial non-ribosomal peptide synthase, allowed Crüsemann et al. [ 36 ] to create enzyme variants that accepted alternative substrates, based on the inferred recombination points.

In a particularly compelling set of experiments, Tawfik and coworkers have shown that selection for a promiscuous activity likely explains the origin and evolution of a bacterial enzyme that hydrolyzes a synthetic compound only recently introduced into the environment [ 2, 11, 12].

A computerized two-compartment pharmacodynamic model was used to explore β-lactam effects on the evolution over time of a bacterial load containing common pharyngeal isolates by simulating free serum concentrations obtained with amoxicillin (AMX) 875 mg tid, amoxicillin/clavulanic acid (AMC) 875/125 mg tid and cefditoren (CDN) 400 mg bid regimens over 24 h.

It shows that few bacterial specie were present initially (7 days) and the evolution of a more varied bacterial community after 14 days with six yellow labels and an even more diverse community after 20 days with 13 orange labels.

Our study provides one of the few case examples for which a defined treatment protocol with available antibiotics consistently reduced the likelihood of resistance evolution in a bacterial pathogen.

Perhaps during the process of metazoan evolution, a bacterial channel protein like NaVBP became incorporated into sperm cells of some, but not all metazoan genomes.

Now, scientists have unraveled the steps in the evolution of the bacterial flagellum, a tiny, whiplike structure used in swimming and host invasion.