Mostrando 161 - 180 Resultados de 58,197 Para Buscar '"Parasite"', tiempo de consulta: 0.51s Limitar resultados
  1. 161
    “…However, parental behaviors have been lost in roughly 1% of avian species known as the obligate brood parasites. To shed light on molecular and neurobiological mechanisms mediating brood parasitic behavior, we compared brain gene expression patterns between two brood parasitic species and one closely related non-parasitic Icterid (blackbird) species. …”
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  2. 162
  3. 163
    “…INTRODUCTION: Parasitic plants can damage crop plants and consequently cause yield losses and thus threaten food security. …”
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  4. 164
  5. 165
    “…Here, we tested whether the ability of coevolving parasites to prevent invasion of self-fertilization within outcrossing host populations was dependent on parasite virulence. …”
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  6. 166
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  8. 168
    “…Parasites deplete the resources of their host and can consequently affect the investment in competing traits (e.g. reproduction and immune defence). …”
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  9. 169
    “…Traditional approaches to measuring the level of malaria infection involve counting the proportion of parasite-infected red blood cells (iRBC) in circulating blood, known as parasitaemia. …”
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  10. 170
    “…Previous studies have suggested that Plasmodium parasites can manipulate mosquito feeding behaviours such as probing, persistence and engorgement rate in order to enhance transmission success. …”
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  11. 171
    “…A previous study of the incomplete genome of the human malarial parasite Plasmodium falciparum reports a higher than expected enrichment of poly dA.dT tracts, far above that anticipated even in this highly AT rich genome. …”
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  12. 172
    “…Evidence indicates that steroid hormones have an influence on the development and course of parasitic infections. The host gender's susceptibility to infection, and the related differences in the immune response are good examples of the host-parasite interplay. …”
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  13. 173
  14. 174
    “…A similar phenomenon has been observed in mouse models of malaria, using the rodent parasite Plasmodium berghei, but it is unclear whether the P. falciparum proteins known to be involved in this process are conserved in the rodent parasite. …”
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  15. 175
    “…Most metazoan parasites that invade vertebrate hosts belong to three phyla: Platyhelminthes, Nematoda and Acanthocephala. …”
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  16. 176
    “…BACKGROUND: Leishmaniasis and malaria are the two most common parasitic diseases and responsible for large number of deaths per year particularly in developing countries like Pakistan. …”
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  17. 177
    “…However, the species of parasite did not affect metabolic rate. Together, this elemental imbalance between parasite and host, and the altered metabolic rate of infected snails may lead to broader parasite effects in stream ecosystems.…”
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  18. 178
  19. 179
    “…Here we examine simple thought experiments to demonstrate that both the emergence of parasites in simple replicator systems and their persistence in evolving life forms are inevitable because the putative parasite-free states are evolutionarily unstable. …”
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  20. 180
    “…Sex can influence patterns of parasitism because males and females can differ in encounter with, and susceptibility to, parasites. …”
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