Mostrando 461 - 480 Resultados de 3,908 Para Buscar '"Queen"', tiempo de consulta: 0.23s Limitar resultados
  1. 461
    “…SIMPLE SUMMARY: Bumble bees live through two phases during their life cycle: single queens and colonies. Queens enter diapause after mating as a survival strategy to avoid harsh environmental conditions. …”
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  2. 462
    “…As part of stewardship, Queen Elizabeth Central Hospital (QECH) in Blantyre, Malawi developed an antibiotic guideline in the form of a smart phone application in June 2016. …”
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  3. 463
  4. 464
    por Cantone, Stefano, Di Giulio, Andrea
    Publicado 2023
    “…This work will be useful for identifying the alate castes of this species and for using the characters of the male and queen to infer relationships with other dolichoderine ants. …”
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  5. 465
    “…We suggest that such patterns of protein neofunctionalization, and variant host responses, represent an aspect of the Red Queen host-pathogen co-evolutionary dynamic. SIGNIFICANCE STATEMENT: The oomycetes are a diverse group of eukaryotic microbes that include some of the most devastating pathogens of plants. …”
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  6. 466
    “…However, it remains unclear whether the metabolites in the fat body are affected after the bumblebee (Bombus terrestris) queen mates. Here, the ultrastructure and lipid metabolites in fat body of mated queens were compared with those of virgins. …”
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  7. 467
    “…On March 4, 2021, OSLER Kingston and KHealth, student-run organizations at Queen’s Faculty of Health Sciences, hosted a two-hour-long virtual interprofessional case competition called “OSLER x KHealth IPR Case Competition: Homelessness,” focusing on housing insecurity and homelessness. …”
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  8. 468
  9. 469
    “…Curiously, mated-fertile queens of the ant Ectatomma tuberculatum produce an uncommon extra-wax coat and, consequently queens (mated-fertile females) are matte due to such extra cuticular hydrocarbon (CHC) coat that covers the cuticle and masks the brightness of the queens' cuticle while gynes (virgin-infertile queens) are shiny. …”
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  10. 470
    “…BACKGROUND: Queen conch (Strombus gigas) reproduction is inhibited in nearshore areas of the Florida Keys, relative to the offshore environment where conchs reproduce successfully. …”
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  11. 471
    por Scheffrahn, Rudolf H.
    Publicado 2011
    “…Calcaritermes temoncephalus is shown to have an unusually large physogastric queens for a kalotermitid and several species produce large eggs.…”
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  12. 472
    “…The flight capability of the adult eusocial bees, Apis mellifera L. and Scaptotrigona postica Latreille (Hymenoptera: Apidae), is intrinsically linked to their colonial functions, such as the nuptial flight for mating in the case of queens and males, and the exploration of new habitats for nesting and food sources in the case of workers. …”
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  13. 473
    por Aonuma, Hitoshi, Watanabe, Takayuki
    Publicado 2012
    “…Significant changes in brain biogenic amine content in the queen are associated with transition from winged virgin queen to wingless mated queen. …”
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  14. 474
    “…We show that in both castes the appearance of vitellogenin in the hemolymph occurs during the pupal period, but the timing was different in the queen and worker. Vitellogenin appears in queens during an early phase of cuticle pigmentation approximately 60h before eclosion, while in workers the appearance of vitellogenin is more delayed, initiating in the pharate adult stage, approximately 10h before eclosion. …”
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  15. 475
    por Scholer, Jamison, Krischik, Vera
    Publicado 2014
    “…At 10 (14) ppb I and 50 (39) ppb C, fewer males were produced by the workers, but queens continued to invest in queen production which was similar among treatments. …”
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  16. 476
    “…In honey bees (Apis mellifera), the queen mandibular pheromone (QMP) and e-beta-ocimene (eβ), emitted by young worker larvae, have such dual effects. …”
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  17. 477
  18. 478
    por Wu-Smart, Judy, Spivak, Marla
    Publicado 2016
    “…Less well studied are the potential effects of neonicotinoids on queen bees, which may be exposed indirectly through trophallaxis, or food-sharing. …”
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  19. 479
    “…Originally described by the late evolutionary biologist Leigh Van Valen, the Red Queen hypothesis posits that the evolutionary arms race between hosts and their pathogens selects for discrete, genetically encoded events that lead to competitive advantages over the other species. …”
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  20. 480
    “…Since queens of Pseudomyrmex mordax colonize their hosts during the seedling stage, we hypothesized that queens would discriminate leaves of seedlings from adult plants. …”
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