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October 2003, Vol. 12, No. 6 | Return to Table of Contents
Science News
From the Bay Paul Center…
Monica Riley is organizing a workshop at the MBL to resolve questions and differences concerning annotation of the genome of Escherichia coli K-12. This model organism with its functional assignments to each gene is used as a basis for the functional annotation of the sequence of every new organism genome produced by genomic studies. Thus it is particularly important that the data be as accurate as possible. The group will arrive from many institutions within the U. S., Japan, and the United Kingdom. The workshop will be held November 14 - 18 at 100 Water Street (MBL Club).
Publications:
Mark Welch, D. B. Bayesian and maximum likelihood analyses of rotifer-acanthocephalan relationships. Hydrobiologia (in press).
Mark Welch, D.B., M. P. Cummings, D. H. Hillis, and M. Meselson. When did gene copies in the asexual class Bdelloidea diverge? Proc. Nat. Acad. Sci. USA (in press)
From The Ecosystems Center…
Publications:
Boelman, N. T., M. Stieglitz, H. M. Rueth, M. Sommerkorn, K. L. Griffin, G. R. Shaver, and J. A. Gamon. 2003. Response of NDVI, biomass, and ecosystem gas exchange to long-term warming and fertilization in wet sedge tundra. Oecologia 135:414-421.
Van Wijk, M. T., M. Williams, L. Gough, J. E. Hobbie, and G. R. Shaver. 2003. Luxury consumption of soil nutrients: A possible competitive strategy in above-ground and below-ground biomass allocation and root morphology for slow-growing arctic vegetation? Journal of Ecology 91:664-676.
McClelland, J. W., C. M. Ho11, and J. P. Montoya. 2003. Relating low d15N values of zooplankton to N2-fixation in the tropical North Atlantic: Insights provided by stable isotope ratios of amino acids. Deep-Sea Research I 50:849-861.
Zhuang, Q., A. D. McGuire, J. M. Melillo, J. S. Clein, R. J. Dargaville, D. W. Kicklighter, R. B. Myneni, J. Dong, V. E. Romanovsky, J. Harden, and J. E. Hobbie. 2003. Carbon cycling in extratropical terrestrial ecosystems of the Northern Hemisphere during the 20th century: a modeling analysis of the influence of soil thermal dynamics. Tellus 55B:751- 776.
Siver, P. A., R. Ricard, R. Goodwin, and A. E. Giblin. 2003. Estimating historical in-lake alkalinity generation from sulfate reduction and its relationship to lake chemistry as inferred from algal microfossils. Journal of Paleolimnology 29: 179-197.
Crump, B. C., G. W. Kling, M. Bahr, and J. E. Hobbie. 2003. Bacterioplankton community shifts in an Arctic lake correlate with seasonal changes in organic matter source. Appl. Environ. Microbiol 69: 2253-2268.
Van Wijk, M. T., M. Williams, J. A. Laundre, and G. R. Shaver. 2003. Interannual variability of plant phenology in tussock tundra: modelling interactions of plant productivity, plant phenology, snowmelt and soil thaw. Global Change Biology 9:743-758.
Driscoll, C. T., D. Whitall, J. Aber, E. Boyer, M. Castro, C. Cronan, C. L. Goodale, P. Groffman, C. Hopkinson, K. Lambert, G. Lawrence, and S. Ollinger. 2003. Nitrogen pollution in the northeastern United States: Sources, effects, and management options. BioScience 53: 357-374.
From the Marine Resources Center…
Roger Hanlon has been funded by DARPA to work with a team of scientists nationwide to develop a novel robotic arm based on the octopus. Such a device would have the unprecedented ability to extend, bend, and twist with many degrees of freedom. The Hanlon lab will concentrate on determining the full range of motions and functions that the octopus arm is capable of, as well as the sensory feedback mechanisms that help control the arm when it is out of sight of the octopus. This information will be shared with the engineers and biologists on the multidisciplinary team. This “biomimetic approach” is meant to extract the salient features of nature’s designs to man-made devices of broad utility.
The MRC welcomed five interns for the fall semester to participate in the MRC Outreach Program, headed by Beth Linnon. Fiona Hogan, Patrice Pazar, Courtney Goecker, Jessica Knox and Cecilia Mitchell come from places as far distant as Brazil, Ireland, and Colorado. Most of the interns assist with animal care and also work with a scientist in one of the MRC labs.
Leo Stanford, a retired Northrop Grumman engineer, has joined the MRC as an animal care volunteer.
Publication:
Simon MacKenzie, Josep V. Planas and Frederick W. Goetz. 2003. LPS-stimulated expression of a tumor necrosis factor-alpha mRNA in primary trout monocytes and in vitro differentiated macrophages. Developmental & Comparative Immunology, Vol. 27, 5:393-400.
From the Laboratory for Reproductive Medicine…
David Keefe and Lin Liu won the Society for Assisted Reproductive Technology (SART) Prize paper for the best research related to IVF at the Annual Meeting of the Amercan Society for Reproductive Annual Meeting in San Antonio, TX. The paper was titled, “Short Telomeres are Associated with Poor Prognosis in Women Undergoing IVF.”
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