Now showing items 622-641 of 943

    • Morphological and phylogenetic characterizations of freshwater Thioploca species from Lake Biwa, Japan, and Lake Constance, Germany 

      Kojima, Hisaya; Teske, Andreas; Fukui, Manabu (American Society for Microbiology, 2003-01)
      Filamentous, gliding, sulfide-oxidizing bacteria of the genus Thioploca were found on sediments in profundal areas of Lake Biwa, a Japanese freshwater mesotrophic lake, and were characterized morphologically and phylogenetically. ...
    • Morphometric analysis of ears in two families of pinnipeds 

      Marsh, Sarah Elizabeth (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2001-08)
      Pinniped (seal and sea lion) auditory systems operate in two acoustically distinct environments, air and water. Piniped species differ in how much time they typically spend in water. They therefore offer an exceptional ...
    • Mortality trends of stranded marine mammals on Cape Cod and southeastern Massachusetts, USA, 2000 to 2006 

      Bogomolni, Andrea L.; Pugliares, Katie R.; Sharp, Sarah M.; Patchett, Kristen; Harry, Charles T.; LaRocque, Jane M.; Touhey, Kathleen M.; Moore, Michael J. (Inter-Research, 2010-01-25)
      To understand the cause of death of 405 marine mammals stranded on Cape Cod and southeastern Massachusetts between 2000 and 2006, a system for coding final diagnosis was developed and categorized as (1) disease, (2) human ...
    • Movement patterns of juvenile whale sharks tagged at an aggregation site in the Red Sea 

      Berumen, Michael L.; Braun, Camrin D.; Cochran, Jesse E. M.; Skomal, Gregory B.; Thorrold, Simon R. (Public Library of Science, 2014-07-30)
      Conservation efforts aimed at the whale shark, Rhincodon typus, remain limited by a lack of basic information on most aspects of its ecology, including global population structure, population sizes and movement patterns. ...
    • Movements of the reef manta ray (Manta alfredi) in the Red Sea using satellite and acoustic telemetry 

      Braun, Camrin D.; Skomal, Gregory B.; Thorrold, Simon R.; Berumen, Michael L. (2015-10-17)
      Populations of mobulid rays are declining globally through a combination of directed fisheries and indirect anthropogenic threats. Understanding the movement ecology of these rays remains an important priority for ...
    • Muscular contractions in the zebrafish embryo are necessary to reveal thiuram-induced notochord distortions 

      Teraoka, Hiroki; Urakawa, Satsuki; Nanba, Satomi; Nagai, Yuhki; Dong, Wu; Imagawa, Tomohiro; Tanguay, Robert L.; Svoboda, Kurt; Handley-Goldstone, Heather M.; Stegeman, John J.; Hiraga, Takeo (2005-06-10)
      Dithiocarbamates form a large group of chemicals that have numerous uses in agriculture and medicine. It has been reported that dithiocarbamates, including thiuram (tetramethylthiuram disulfide), cause wavy distortions of ...
    • Mutant analysis of luminescence and autoinduction in a marine bacterium 

      Kuo, Alan J. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1994-12)
      The marine symbiotic bacterium Vibrio fischeri is striking for its ability both to emit light and to dramatically regulate light emission using a cell-to-cell signalling mechanism called autoinduction. The latter is ...
    • Mysid crustaceans as standard models for the screening and testing of endocrine-disrupting chemicals 

      Verslycke, Tim A.; Ghekiere, An; Raimondo, Sandy; Janssen, Colin R. (2006)
      Investigative efforts into the potential endocrine-disrupting effects of chemicals have mainly concentrated on vertebrates, with significantly less attention paid to understanding potential endocrine disruption in the ...
    • N2 fixation by subsurface populations of Trichodesmium : an important source of new nitrogen to the North Atlantic Ocean 

      Heithoff, Abigail (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2011-02)
      Trichodesmium, a genus of diazotrophic cyanobacteria, is an important contributor to the marine nitrogen (N) and carbon (C) cycles. The extent to which Trichodesmium dinitrogen (N2) fixation contributes to the marine N ...
    • A natural history of the deep-sea aplacophoran Prochaetoderma yongei and its relationship to confamilials (Mollusca, Prochaetodermatidae) 

      Scheltema, Amelie H.; Ivanov, Dmitry L. (2008-11-10)
      Previously published studies are woven together into a natural history of a deep-sea aplacophoran mollusc species, Prochaetoderma yongei Scheltema, 1985, and its confamilial species in the Prochaetodermatidae. This ...
    • Natural selection, microevolution and macroevolution 

      Hulburt, Edward M. (2007-06-11)
      The use of logical validity and empirical data will show that natural selection occurs at the micro-evolutionary level but does not occur at the macro-evolutionary level.
    • New approaches and technologies for observing harmful algal blooms 

      Babin, Marcel; Cullen, John C.; Roesler, Collin S.; Donaghay, Percy L.; Doucette, Gregory J.; Kahru, Mati; Lewis, Marlon R.; Scholin, Christopher A.; Sieracki, Michael E.; Sosik, Heidi M. (Oceanography Society, 2005-06)
      Harmful algal blooms (HABs) represent a diverse range of phenomena that universally share only two characteristics: they produce effects on ecosystems or food resources that humans perceive as harmful, and their ...
    • New cytochrome P450 1B1, 1C2 and 1D1 genes in the killifish Fundulus heteroclitus : Basal expression and response of five killifish CYP1s to the AHR agonist PCB126 

      Zanette, Juliano; Jenny, Matthew J.; Goldstone, Jared V.; Woodin, Bruce R.; Watka, Lauren A.; Bainy, Afonso C. D.; Stegeman, John J. (2009-04-30)
      Knowledge of the complement of cytochrome P450 (CYP) genes is essential to understanding detoxification and bioactivation mechanisms for organic contaminants.We cloned three new CYP1 genes, CYP1B1, CYP1C2 and CYP1D1, ...
    • New England and Corner Rise seamounts 

      Shank, Timothy M. (Oceanography Society, 2010-03)
      One of the longest seamount tracks in the Atlantic Ocean was formed by the Great Meteor or New England hotspot. This more than 3000-km-long hotspot track formed both the New England and Corner Rise seamounts, with a ...
    • A new family of giardial cysteine-rich non-VSP protein genes and a novel cyst protein 

      Davids, Barbara J.; Reiner, David S.; Birkeland, Shanda R.; Preheim, Sarah P.; Cipriano, Michael J.; McArthur, Andrew G.; Gillin, Frances D. (Public Library of Science, 2006-12)
      Since the Giardia lamblia cyst wall is necessary for survival in the environment and host infection, we tested the hypothesis that it contains proteins other than the three known cyst wall proteins. Serial analysis of gene ...
    • New insights on the ecology of free-living heterotrophic nanoflagellates based on the use of molecular biological approaches 

      Lim, Ee Lin (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1997-03)
      Nanoplanktonic protists comprise a diverse assemblage of flagellate species responsible for various trophic processes in marine and freshwater ecosystems. Current methods for identifying small protists do not readily ...
    • A new US polar research vessel for the twenty-first century 

      Dunbar, Robert B.; Alberts, Jon; Ashjian, Carin J.; Asper, Vernon L.; Chayes, Dale; Domack, Eugene; Ducklow, Hugh W.; Huber, Bruce; Lawver, Lawrence; Oliver, Daniel; Russell, Doug; Smith, Craig R.; Vernet, Maria (The Oceanography Society, 2012-09)
      Scientific and political interests at the poles are significant and rapidly increasing, driven in part by the effects of climate change and emerging geopolitical realities. The polar regions provide important services to ...
    • The new vertebrate CYP1C family : cloning of new subfamily members and phylogenetic analysis 

      Godard, Celine A. J.; Goldstone, Jared V.; Said, Maya R.; Dickerson, Richard L.; Woodin, Bruce R.; Stegeman, John J. (2005-03-11)
      Two novel CYP1 genes from teleost fish constituting a new subfamily have been cloned. These paralogous sequences are designated CYP1C1 and CYP1C2. Both genes were initially obtained from untreated scup Stenotomus chrysops ...
    • Niche of harmful alga Aureococcus anophagefferens revealed through ecogenomics 

      Gobler, Christopher J.; Berry, Dianna L.; Dyhrman, Sonya T.; Wilhelm, Steven W.; Salamov, Asaf; Lobanov, Alexei V.; Zhang, Yan; Collier, Jackie L.; Wurch, Louie L.; Kustka, Adam B.; Dill, Brian D.; Shah, Manesh; VerBerkmoes, Nathan C.; Kuo, Alan J.; Terry, Astrid; Pangilinan, Jasmyn; Lindquist, Erika A.; Lucas, Susan; Paulsen, Ian T.; Hattenrath-Lehmann, Theresa K.; Talmage, Stephanie C.; Walker, Elyse A.; Koch, Florian; Burson, Amanda M.; Marcoval, Maria Alejandra; Tang, Ying-Zhong; LeCleir, Gary R.; Coyne, Kathryn J.; Berg, Gry M.; Bertrand, Erin M.; Saito, Mak A.; Gladyshev, Vadim N.; Grigoriev, Igor V. (2011-01)
      Harmful algal blooms (HABs) cause significant economic and ecological damage worldwide. Despite considerable efforts, a comprehensive understanding of the factors that promote these blooms has been lacking because the ...
    • Noise level correlates with manatee use of foraging habitats 

      Miksis-Olds, Jennifer L.; Donaghay, Percy L.; Miller, James H.; Tyack, Peter L.; Nystuen, Jeffrey A. (Acoustical Society of America, 2007-05)
      The introduction of anthropogenic sound to coastal waters is a negative side effect of population growth. As noise from boats, marine construction, and coastal dredging increases, environmental and behavioral monitoring ...