Microevolution
Mostrando 1-12 de 40 artigos, teses e dissertações.
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1. Double Identification of the Optimal Hot Deformation Parameter Windows for AlCu4SiMg Alloy
In order to achieve hot processing products with expected microstructures, the construction of corresponding relationships between micro-evolution mechanisms and hot processing parameters is essential. In this study, such corresponding relationships of as-cast AlCu4SiMg alloy were constructed by double evaluating processing maps and Zener-Holloman (Z) parame
Mat. Res.. Publicado em: 10/07/2019
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2. Advances in Cryptococcus genomics: insights into the evolution of pathogenesis
Cryptococcus species are the causative agents of cryptococcal meningitis, a significant source of mortality in immunocompromised individuals. Initial work on the molecular epidemiology of this fungal pathogen utilized genotyping approaches to describe the genetic diversity and biogeography of two species, Cryptococcus neoformans and Cryptococcus gattii. Whol
Mem. Inst. Oswaldo Cruz. Publicado em: 19/02/2018
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3. The multifaceted resources and microevolution of the successful human and animal pathogen methicillin-resistant Staphylococcus aureus
Methicillin-resistant Staphylococcus aureus (MRSA) is one of the most important bacterial pathogens based on its incidence and the severity of its associated infections. In addition, severe MRSA infections can occur in hospitalised patients or healthy individuals from the community. Studies have shown the infiltration of MRSA isolates of community origin int
Mem. Inst. Oswaldo Cruz. Publicado em: 29/04/2014
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4. Ecologia de taxocenose de anfíbios anuros em poças temporárias na caatinga
In theroy, the influence of phylogeny in community structure implies that phylogenetically close species may show similar characteristics determined by their evolutionary history. In a fine scale, this is useful to identify processes of microevolution. We used phylogenetic and ecological data to investigate the determinant factors of the relationships among
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 13/02/2012
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5. Candida albicans: genotyping methods and clade related phenotypic characteristics
Several molecular methods, such as Southern blotting hybridization, Multilocus Sequence Typing, and DNA microsatellite analysis, have been employed to genotype Candida albicans. The genotype analysis allows to group strains in clades, that is, a group composed of one ancestor and its descendants. These genotype studies demonstrate that clades distribution is
Brazilian Journal of Microbiology. Publicado em: 2010-12
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6. Extra-continental biological afinities among Late Paleoindian of Lagoa Santa, Central Brazil, and its implications for the settlement of America: an odontometric view / Afinidades biológicas extra-continentais dos paleoíndios tardios de Lagoa Santa e suas implicações para a questão do povoamento do novo mundo: uma abordagem odontométrica
Atualmente, quatro principais modelos discutem o Povoamento da América. O mais antigo defende a entrada de três levas migratórias (Greenberg et al., 1986), outro modelo, duas (Neves et al., 1989), o modelo genético, apenas uma (Bonatto &Salzano, 1997) e, recentemente, Gonzalez-José et al. (2008) apresentaram um modelo de fluxo continuo. O presente traba
Publicado em: 2010
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7. Genetic and morphological patterns in populations of Culex quinquefasciatus (Diptera:Culicidade). / Padrões genético-morfológicos em populações de Culex quinquefasciatus (Diptera: Culicidae).
Culex quinquefasciatus is a pantropical synanthropic species of great medical interest. Several attempts to control this species have fail due to its microvelution of resistance to insecticides. In order to detect populational variation indicative of microevolution, two populational samples from State of São Paulo were compared: São Paulo municipality (Par
Publicado em: 2009
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8. Comparative populational analyses of Culex quinquefasciatus of two places of State of São Paulo. / Análises comparativas populacionais de Culex quinquefasciatus em dois locais do Estado de São Paulo.
O mosquito Culex quinquefasciatus tem grande importância médica no mundo devido à sua habilidade como vetor de arboviroses e filarioses. O principal fator limitante dos métodos de controle populacional para Cx. quinquefasciatus é a microevolução dessa espécie, fenômeno que freqüentemente resulta em aumento da sua resistência a inseticidas e da sua
Publicado em: 2009
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9. Identification of Four Distinct Genotypes of Candida dubliniensis and Detection of Microevolution In Vitro and In Vivo
The present study investigates further the population structure of Candida dubliniensis and its ability to exhibit microevolution. Using 98 isolates (including 80 oral isolates) from 94 patients in 15 countries, we confirmed the existence of two distinct populations within the species C. dubliniensis, designated Cd25 group I and Cd25 group II, respectively,
American Society for Microbiology.
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10. Microevolution of Candida albicans Strains during Catheter-Related Candidemia
We examined microevolution in a series of Candida albicans strains isolated from patients with catheter-related candidemia. Sixty-one isolates (29 from blood, 18 from catheters, 10 from urine, and 4 from other sites) were obtained from 15 patients who were admitted to the same hospital over a 3-year period. Isolates were analyzed by using Southern hybridizat
American Society for Microbiology.
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11. Colonizing populations of Candida albicans are clonal in origin but undergo microevolution through C1 fragment reorganization as demonstrated by DNA fingerprinting and C1 sequencing.
The genetic homogeneity of nine commensal and infecting populations of Candida albicans has been assessed by fingerprinting multiple isolates from each population by Southern blot hybridization first with the Ca3 probe and then with the 0.98-kb C1 fragment of the Ca3 probe. The isolates from each population were highly related, demonstrating the clonal origi
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12. Microevolution and history of the plague bacillus, Yersinia pestis
The association of historical plague pandemics with Yersinia pestis remains controversial, partly because the evolutionary history of this largely monomorphic bacterium was unknown. The microevolution of Y. pestis was therefore investigated by three different multilocus molecular methods, targeting genomewide synonymous SNPs, variation in number of tandem re
National Academy of Sciences.