The studies we present here document genetic conservation of strains throughout 3 transmission seasons and over 2 winters, which supports the observation that EEEV may overwinter in a relatively isolated upstate New York focus.
The conservation of the strain's nucleotide sequences ranged from 82.7% to 95.2%, whereas amino acid sequences' conservation ranged from 91.0% to 98.4%, depending on the type of TBEV (Table 1).
Conservation of the Guadyerbas strain was supported economically by the regional government of Junta de Castilla-La Mancha and Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA).
Although these countries are important transit areas or final destinations for migratory birds from the African continent, and hence may play an important role in the circulation and conservation of different WNV strains, genetic information about the strains isolated in central Europe has not been available.
We anticipate that the results of this work will motivate isolation and conservation of new reference strains, as well as independent isolates of the same species to support safety assessment, establish biodiversity resource and strain specificity in products.
Determination of the biomass yield in anaerobic sucrose-limited chemostat cultures was used to assess the free-energy conservation of the engineered strains.
The high genomic conservation of P. aeruginosa strains, however, is not reflected in a homogeneous pattern of QS-regulated virulence-traits expression.
Previous comparisons of repetitive region motifs found no conservation between T. brucei and L. tarentolae [ 2]. T. cruzi also shows no conservation of motifs between strains or among trypanosomatid species.
The relatively high degree of genetic conservation of Beijing genotype strains found in a widespread area (12 ) suggests a recent dissemination and, hence, selective advantages associated with this genotype of Mycobacterium tuberculosis.
The high degree of sequence conservation of P. aeruginosa strains makes it a difficult task to device strategies for the treatment of infections caused by these bacteria that are based on vaccination or hygiene measures, and strengthens the need for designing strategies that inhibit the expression of virulence associated traits to contend with P. aeruginosa infections.
