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Mostrando 861 - 880 Resultados de 3,549 Para Buscar '"amphibian"', tiempo de consulta: 0.33s Limitar resultados
  1. 861
    “…SIMPLE SUMMARY: Amphibians and reptiles play an important role in ecosystems, usually in the middle of trophic networks, but at the same time they are one of the most endangered groups. …”
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    What Can We Do for Amphibians and Reptiles at Schools? Between Personal Conceptions, Conceptual Change and Students’ Pro-Environmental Attitudes
  2. 862
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    Microbiological and cytological characterization of coelomic fluid from three captive endangered amphibian Gastrotheca species with edema syndrome: preliminary analysis
  3. 863
    por Ingram, George A., Al-Yaman, Fadwa
    Publicado 1988
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    A comparative assessment of four serological methods used in the detection and measurement of anti-parasite antibodies in the serum of the amphibian, bufo viridis
  4. 864
    “…BACKGROUND: For 88 years (1931-present), the Mohonk Preserve's Daniel Smiley Research Center has been collecting data on occupancy and reproductive success of amphibian species, as well as associated water quality of 11 vernal pools each spring (February to May). …”
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    Vernal pool amphibian breeding ecology monitoring from 1931 to present: A harmonised historical and ongoing observational ecology dataset
  5. 865
    “…In particular, the transfer to amphibians, one of the main links in common food webs, is reported here for the first time.…”
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    Concentration ratios of (238)U and (226)Ra for insects and amphibians living in the vicinity of the closed uranium mine at Ningyo-toge, Japan
  6. 866
    “…Here, we focus on the granitic islands of the Seychelles, which are unusual among island systems because they have been isolated for a long time and are home to a monophyletic radiation of caecilian amphibians that has been separated from its extant sister lineage for ca. 65–62 Ma. …”
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    The roles of vicariance and isolation by distance in shaping biotic diversification across an ancient archipelago: evidence from a Seychelles caecilian amphibian
  7. 867
    “…Here, we propose a multi-stage SDM approach to estimate the distributional range and potential area of occupancy (pAOO) of Neurergus kaiseri, a spring-dwelling amphibian with two climatically-divergent evolutionary lineages. …”
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    Species versus within-species niches: a multi-modelling approach to assess range size of a spring-dwelling amphibian
  8. 868
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    Thriving in a hostile world: Insights from the dietary strategy of two allopatric, closely related tepui summit endemic amphibians
  9. 869
    “…Therefore, understanding the combined effects of infectious agents on hosts is important for species’ conservation and population management. Amphibians are hosts to many parasites and pathogens, including endemic trematode flatworms (e.g., Echinostoma spp.) and the novel pathogenic amphibian chytrid fungus (Batrachochytrium dendrobatidis [Bd]). …”
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    Is overwintering mortality driving enigmatic declines? Evaluating the impacts of trematodes and the amphibian chytrid fungus on an anuran from hatching through overwintering
  10. 870
    “…The search for alternative drugs that can reduce viral infections without undermining the host cell is moving toward antimicrobial peptides (AMPs) of natural occurrence. These include amphibian AMPs belonging to the temporin family. Herein, we focus on temporin G (TG), showing that it strongly affects HSV-1 replication by acting either during the earliest stages of its life cycle or directly on the virion. …”
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    The Inhibition of DNA Viruses by the Amphibian Antimicrobial Peptide Temporin G: A Virological Study Addressing HSV-1 and JPCyV
  11. 871
    “…SIMPLE SUMMARY: Discoglossus pictus is a North African amphibian that was introduced in southern France early in the 20th century and has spread south and north along the Mediterranean coastal plains up to 170 km. …”
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    Global Warming and Long-Distance Spread of Invasive Discoglossus pictus (Amphibia, Alytidae): Conservation Implications for Protected Amphibians in the Iberian Peninsula
  12. 872
    “…Few studies have examined season-long temporal variation in the amphibian skin-associated microbiome, and the interactions between bacteria and fungi on amphibian skin remain poorly understood. …”
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    Spatiotemporal and ontogenetic variation, microbial selection, and predicted Bd-inhibitory function in the skin-associated microbiome of a Rocky Mountain amphibian
  13. 873
    “…Here, we used a simplified ecological situation—an amphibian species lacking post-oviposition parental care—and a laboratory approach to investigate the relationships between parental (both maternal and paternal) phenotypes (body size and condition) and reproductive success (fecundity, egg size, embryonic and larval duration, larval and metamorphic morphology). …”
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    What are the contributions of maternal and paternal traits to fecundity and offspring development? A case study in an amphibian species, the spined toad Bufo spinosus
  14. 874
    Publicado 1987
    “…The ability of purified extracellular matrix components to promote the initial migration of amphibian neural crest (NC) cells was quantitatively investigated in vitro. …”
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    Amphibian neural crest cell migration on purified extracellular matrix components: a chondroitin sulfate proteoglycan inhibits locomotion on fibronectin substrates
  15. 875
    Publicado 1988
    “…We used an apparatus in which pieces of dark-adapted amphibian retinas (Rana pipiens, Bufo marinus) obtained under infrared illumination were exposed to precise intervals of 500-nm illuminations, and then frozen by contact of their outer segment surface with a liquid helium-cooled copper mirror. …”
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    Light-induced losses and dark recovery rates of guanosine 3',5'-cyclic monophosphate in rod outer segments of intact amphibian photoreceptors
  16. 876
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    The world's richest tadpole communities show functional redundancy and low functional diversity: ecological data on Madagascar's stream-dwelling amphibian larvae
  17. 877
    “…The hellbender (Cryptobranchus alleganiensis) is among the most intriguing and imperiled amphibians in North America. Since the 1970s and 80s, western populations of the Ozark and eastern subspecies in Missouri have declined by nearly 80%. …”
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    Morphological and molecular characterization of a new species of leech (Glossiphoniidae, Hirudinida): Implications for the health of its imperiled amphibian host (Cryptobranchus alleganiensis)
  18. 878
    “…The S. cerevisiae deletion mutants Δizh2, Δizh3, Δaif1 and Δstm1 were demonstrated to be resistant to amphibian-derived antimicrobial peptides (AMPs). The purpose of this study was to examine whether AMPs and polyene antifungals have a similar mode of action; this was done by comparing the relative tolerance of the mutants listed above to both classes of antifungal. …”
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    The polyene antifungals, amphotericin B and nystatin, cause cell death in Saccharomyces cerevisiae by a distinct mechanism to amphibian-derived antimicrobial peptides
  19. 879
    “…A stringent quantitative analysis suggests the involvement of additional olfactory receptors in amphibian responses to amine odors.…”
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    Different expression domains for two closely related amphibian TAARs generate a bimodal distribution similar to neuronal responses to amine odors
  20. 880
    “…Maximakinin (MK), an amphibian peptide possessing the C-terminal sequence of bradykinin (BK), is a BK B(2) receptor (B(2)R) agonist eliciting prolonged signaling. …”
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    Species-specific pharmacology of maximakinin, an amphibian homologue of bradykinin: putative prodrug activity at the human B(2) receptor and peptidase resistance in rats
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