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Papers in Entomology

Entomology papers in Biological Sciences, A

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Papers 1 - 20 of 6,390 in Entomology, A
  1. Eyes of the hoverfly Eristalis tenax are sexually dimorphic such that males have a fronto-dorsal region of large facets. In contrast to other large flies in which large facets are associated with a decreased interommatidial angle to form a dorsal…
  2. The hematopoietic-restricted transcription factor GATA-1 is required for both mammalian erythroid cell and megakaryocyte differentiation. To define the mechanisms governing its transcriptional regulation, we replaced upstream sequences including a…
  3. Exocrine glands play an important role in maintaining the integrity of colonies of social Hymenoptera. The postpharyngeal gland (PPG) of ants is crucial for the generation of a nest odour that enables nestmate recognition. The evolutionary history…
  4. Pollen recovered from core tops of deep-sea cores from offshore northwestern Western Australia were used to build climatic transfer functions applied to sediment samples from major rivers bordering the ocean in the same region and a deep-sea core…
  5. BACKGROUND: All previously reported eukaryotic nuclear genome sequences have been incomplete, especially in highly repeated units and chromosomal ends. Because repetitive DNA is important for many aspects of biology, complete chromosomal structures…
  6. Experiments on the National Spherical Torus Experiment M. Ono et al., Nucl. Fusion 40, 557 (2000) found strong bursts of toroidal Alfvén eigenmode (TAE) activity correlated with abrupt drops in the neutron rate. A fairly complete data set offers the…
  7. 1. Fires are nowadays small, yet frequent, in temperate Central European conifer forests, but little is known about the fire history in this region. This is likely due to the lack of intact forests that contain old trees and dead wood from which…
  8. The paper describes a mechanical model of epithelial tissue development in Drosophila embryos to investigate a buckling phenomenon called invagination. The finite element method is used to model this ventral furrow formation in 3D by decomposing the…
  9. BACKGROUND: High-throughput sequencing technologies offer new perspectives for biomedical, agronomical and evolutionary research. Promising progresses now concern the application of these technologies to large-scale studies of genetic variation.…
  10. In recent years, phylogenetic tree reconstructions that rely on multiple gene alignments that had been deduced from expressed sequence tags (ESTs) have become a popular method in molecular systematics. Here, we present a 454 pyrosequencing approach…
  11. Elucidating the spatial dynamic and core constituents of the microbial communities found in association with arthropod hosts is of crucial importance for insects that may vector human or agricultural pathogens. The hematophagous Cimex lectularius…
  12. In Canada, the average annual area of burned forest has increased\nfrom around 1 million ha in the 1970's to over 2.5 million ha in\nthe 1990's. A previous study has identified the link between anomalous\nmid-tropospheric circulation at 500 hPa over…
  13. Attempts were made to isolate, purify and characterize antibacterial peptides from the haemolymph of the American cockroach Periplaneta americana. Both non-induced and induced haemolymph were tested for their antibacterial activity against several…
  14. Dengue virus infects primary neurons in mouse experimental model and tissue culture cells of the central nervous system (CNS). In the present work, a mouse neuroblastoma cell line (N1E-115) and a human neuroblastoma cell line (SK-N-SH), susceptible…
  15. Tissue specimens from 283 principally spontaneously (naturally) desiccated human mummies from coastal and low valley sites in northern Chile and southern Peru were tested with a DNA probe directed at a kinetoplast DNA segment of Trypanosoma cruzi.…
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