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  • 1
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    Biophysics: the sweetest candy for the virus (2008)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2008-04-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Frank, Andreas O -- Kessler, Horst -- England -- Nature. 2008 Apr 17;452(7189):822-3. doi: 10.1038/452822a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18421340" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Blood Group Antigens/*chemistry/*metabolism ; Drug Design ; Fucose/chemistry/*metabolism ; Hemorrhagic Disease Virus, Rabbit/chemistry/*metabolism ; Humans ; Magnetic Resonance Spectroscopy/*methods ; Rabbits ; Receptors, Virus/*chemistry/*metabolism ; Substrate Specificity
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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  • 2
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    Disruption of vertical motility by shear triggers formation of thin phytoplankton layers (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-02-21
    Description: Thin layers of phytoplankton are important hotspots of ecological activity that are found in the coastal ocean, meters beneath the surface, and contain cell concentrations up to two orders of magnitude above ambient concentrations. Current interpretations of their formation favor abiotic processes, yet many phytoplankton species found in these layers are motile. We demonstrated that layers formed when the vertical migration of phytoplankton was disrupted by hydrodynamic shear. This mechanism, which we call gyrotactic trapping, can be responsible for the thin layers of phytoplankton commonly observed in the ocean. These results reveal that the coupling between active microorganism motility and ambient fluid motion can shape the macroscopic features of the marine ecological landscape.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Durham, William M -- Kessler, John O -- Stocker, Roman -- New York, N.Y. -- Science. 2009 Feb 20;323(5917):1067-70. doi: 10.1126/science.1167334.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Civil and Environmental Engineering, Massachusetts Institute of Technology (MIT), Cambridge, MA 02139, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19229037" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biomechanical Phenomena ; Cell Shape ; Chlamydomonas/cytology/*physiology ; *Ecosystem ; Flagella ; Gravitation ; Movement ; Phytoplankton/cytology/*physiology ; *Water ; *Water Movements
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 3
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    Field experiments with transformed plants reveal the sense of floral scents (2008)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2008-08-30
    Description: Plants use many means to attract pollinators, including visual cues and odor. We investigated how nonpigment floral chemistry influences nectar removal, floral visitation, florivory, rates of outcrossing, and fitness through both male and female functions. We blocked expression of biosynthetic genes of the dominant floral attractant [benzyl acetone (Nachal1)] and nectar repellent [nicotine (Napmt1/2)] in all combinations in the native tobacco Nicotiana attenuata and measured their effects on plants in their native habitat. Both repellent and attractant were required to maximize capsule production and seed siring in emasculated flowers and flower visitation by native pollinators, whereas nicotine reduced florivory and nectar robbing.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kessler, Danny -- Gase, Klaus -- Baldwin, Ian T -- New York, N.Y. -- Science. 2008 Aug 29;321(5893):1200-2. doi: 10.1126/science.1160072.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Ecology, Max-Planck-Institute for Chemical Ecology, Hans-Knoll-Strasse 8, DE-07745 Jena, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18755975" target="_blank"〉PubMed〈/a〉
    Keywords: Acetone/*analogs & derivatives/metabolism ; Acyltransferases/genetics ; Animals ; Base Sequence ; Birds/*physiology ; Cloning, Molecular ; Flowers/chemistry/*physiology ; Methyltransferases/genetics ; Molecular Sequence Data ; Nicotine/*metabolism ; *Odors ; Plants, Genetically Modified ; Pollen/physiology ; RNA Interference ; Reproduction ; Seeds ; Tobacco/genetics/*physiology ; Transformation, Genetic
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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