Search Results - (Author, Cooperation:K. Nealson)

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  1. 1
    C. R. Webster ; P. R. Mahaffy ; G. J. Flesch ; P. B. Niles ; J. H. Jones ; L. A. Leshin ; S. K. Atreya ; J. C. Stern ; L. E. Christensen ; T. Owen ; H. Franz ; R. O. Pepin ; A. Steele ; C. Achilles ; C. Agard ; J. A. Alves Verdasca ; R. Anderson ; D. Archer ; C. Armiens-Aparicio ; R. Arvidson ; E. Atlaskin ; A. Aubrey ; B. Baker ; M. Baker ; T. Balic-Zunic ; D. Baratoux ; J. Baroukh ; B. Barraclough ; K. Bean ; L. Beegle ; A. Behar ; J. Bell ; S. Bender ; M. Benna ; J. Bentz ; G. Berger ; J. Berger ; D. Berman ; D. Bish ; D. F. Blake ; J. J. Blanco Avalos ; D. Blaney ; J. Blank ; H. Blau ; L. Bleacher ; E. Boehm ; O. Botta ; S. Bottcher ; T. Boucher ; H. Bower ; N. Boyd ; B. Boynton ; E. Breves ; J. Bridges ; N. Bridges ; W. Brinckerhoff ; D. Brinza ; T. Bristow ; C. Brunet ; A. Brunner ; W. Brunner ; A. Buch ; M. Bullock ; S. Burmeister ; M. Cabane ; F. Calef ; J. Cameron ; J. Campbell ; B. Cantor ; M. Caplinger ; J. Caride Rodriguez ; M. Carmosino ; I. Carrasco Blazquez ; A. 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Gomez Gomez ; J. Gomez-Elvira ; B. Gondet ; S. Gordon ; S. Gorevan ; J. Grant ; J. Griffes ; D. Grinspoon ; J. Grotzinger ; P. Guillemot ; J. Guo ; S. Gupta ; S. Guzewich ; R. Haberle ; D. Halleaux ; B. Hallet ; V. Hamilton ; C. Hardgrove ; D. Harker ; D. Harpold ; A. M. Harri ; K. Harshman ; D. Hassler ; H. Haukka ; A. Hayes ; K. Herkenhoff ; P. Herrera ; S. Hettrich ; E. Heydari ; V. Hipkin ; T. Hoehler ; J. Hollingsworth ; J. Hudgins ; W. Huntress ; J. Hurowitz ; S. Hviid ; K. Iagnemma ; S. Indyk ; G. Israel ; R. Jackson ; S. Jacob ; B. Jakosky ; E. Jensen ; J. K. Jensen ; J. Johnson ; M. Johnson ; S. Johnstone ; A. Jones ; J. Joseph ; I. Jun ; L. Kah ; H. Kahanpaa ; M. Kahre ; N. Karpushkina ; W. Kasprzak ; J. Kauhanen ; L. Keely ; O. Kemppinen ; D. Keymeulen ; M. H. Kim ; K. Kinch ; P. King ; L. Kirkland ; G. Kocurek ; A. Koefoed ; J. Kohler ; O. Kortmann ; A. Kozyrev ; J. Krezoski ; D. Krysak ; R. Kuzmin ; J. L. Lacour ; V. Lafaille ; Y. Langevin ; N. Lanza ; J. Lasue ; S. 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Zeitlin ; R. Zimdar ; M. P. Zorzano Mier
    American Association for the Advancement of Science (AAAS)
    Published 2013
    Staff View
    Publication Date:
    2013-07-23
    Publisher:
    American Association for the Advancement of Science (AAAS)
    Print ISSN:
    0036-8075
    Electronic ISSN:
    1095-9203
    Topics:
    Biology
    Chemistry and Pharmacology
    Computer Science
    Medicine
    Natural Sciences in General
    Physics
    Published by:
    http://www.aaas.org/

    Latest Papers from Table of Contents or Articles in Press
  2. 2
    Deng, X., Dohmae, N., Nealson, K. H., Hashimoto, K., Okamoto, A.
    American Association for the Advancement of Science (AAAS)
    Published 2018
    Staff View
    Publication Date:
    2018-02-17
    Publisher:
    American Association for the Advancement of Science (AAAS)
    Electronic ISSN:
    2375-2548
    Topics:
    Natural Sciences in General
    Published by:
    http://www.aaas.org/

    Latest Papers from Table of Contents or Articles in Press
  3. 3
    Kepkay, P. E. ; Nealson, K. H.
    Springer
    Published 1987
    Staff View
    ISSN:
    1432-072X
    Keywords:
    Managanese oxidation ; CO2 fixation ; Chemostat ; Pseudomonas
    Source:
    Springer Online Journal Archives 1860-2000
    Topics:
    Biology
    Notes:
    Abstract Strain S-36, a marine Pseudomonas sp., was grown under manganese limitation in continuous culture. At dilution rates below a maximal growth rate of 0.066 h-1, the rate at which the organism fixed CO2 into macromolecules was equal to the cell carbon production rate. In addition, the total amount of cell carbon or CO2 fixed at steady-state was in proportion to the amount of energy available from the oxidation of Mn2+ in the medium. These data suggest that the organism can grow by obtaining the energy for CO2 fixation from manganese oxidation.
    Type of Medium:
    Electronic Resource
    URL:
    http://dx.doi.org/10.1007/BF00429649

    Articles: DFG German National Licenses
  4. 4
    Haygood, M. G. ; Tebo, B. M. ; Nealson, K. H.
    Springer
    Published 1984
    Staff View
    ISSN:
    1432-1793
    Source:
    Springer Online Journal Archives 1860-2000
    Topics:
    Biology
    Notes:
    Abstract The light organs of monocentrid and anomalopid fishes consist of bacteria-filled tubular invaginations of the epidermis which are connected to the surrounding seawater by ducts. We used the release of bacteria from the light organs to estimate bacterial rates of growth in the light organs. For one monocentrid fish (4 specimens of Monocentris japonicus collected at Jogashima, Japan in 1980) and for two anomalopid fishes (2 specimens each of Photoblepharon palpebratus collected at Sebu, Phillipines in 1981 and Grand Comore Island in 1975 and Kryptophanaron alfredi collected at Parguera, Puerto Rico in 1982) we measured rates of release of bacteria into the surrounding seawater and the bacterial population sizes in the light organs; from this information we calculated doubling times of bacteria in the light organs. In addition, we determined the luminescence of bacteria after their release into the seawater. For M. japonicus, two specimens released 1.1 to 6×106 and 2×107 bacteria h−1, respectively; the light organs contained about 1.5×108 bacteria. For P. palpebratus, one specimen released 2.2×108 bacteria h−1; a second specimen had light organs containing 5.2×109 bacteria. For K. alfredi, one specimen released 7×107 bacteria h−1 and had light organs containing 5.6×108 bacteria; a second specimen released 3.6×107 bacteria h−1 and had light organs containing 7.3×108 bacteria. Bacterial doubling times in the light organs of these three fishes were variable and ranged from 7.5 to 135 h in M. japonicus and 8 to 23 h in the anomalopids. Bacteria released from M. japonicus into the seawater remained viable, but bacteria from all of the fishes soon ceased to emit light.
    Type of Medium:
    Electronic Resource
    URL:
    http://dx.doi.org/10.1007/BF00393010

    Articles: DFG German National Licenses
  5. 5
    Nealson, K. H. ; Arneson, A. C. ; Bratkovich, A.
    Springer
    Published 1984
    Staff View
    ISSN:
    1432-1793
    Source:
    Springer Online Journal Archives 1860-2000
    Topics:
    Biology
    Notes:
    Abstract Spatial and temporal patterns of bioluminescent flashes were recorded from fall 1982 through Spring 1983 by photometers moored offshore in Scripps Canyon, La Jolla, California, USA. From depths between 8 and 90 m, realtime data were transmitted by cable to a laboratory on land approximately one mile (1.7 km) away. In addition, temperature, depth and current velocity and direction were monitored either in real time by direct coupling to a laboratory-based system, or by internal data storage-systems that were retrieved at regular intervals and subsequently analyzed. Our studies showed that our field station is largely uncoupled from wave action effects usually associated with luminescence measurements made from ships. Bioluminescent activity varied greatly both during a single night and between different nights. Vertical profiling of the water column between 8 and 90 m showed evidence of vertical migration, patchiness of distribution and large-scale spatial differences in total bioluminescent activity. Currents had a major impact on patterns of bioluminescent activity; however, sometimes high levels of luminescence were recorded in complete absence of currents. Diel cycles, organism patchiness, the level of downwelling ambient light, and currents appeared to interact in controlling the levels and patterns of bioluminescence.
    Type of Medium:
    Electronic Resource
    URL:
    http://dx.doi.org/10.1007/BF00394727

    Articles: DFG German National Licenses
  6. 6
    Nealson, K. H. ; Arneson, A. C. ; Huber, M. E.
    Springer
    Published 1986
    Staff View
    ISSN:
    1432-1793
    Source:
    Springer Online Journal Archives 1860-2000
    Topics:
    Biology
    Notes:
    Abstract We have used a polychromator consisting of six photomultiplier tubes, each filtered to a different wavelength with narrow band-pass interference-filters, to study bioluminescence. Spectral and kinetic data collected from ten marine species in the laboratory describe their luminous flashes. These data suggest that the concept of luminous signatures, within the limits of our studies, is a valid one, with potential uses for future biological studies both in the laboratory and in situ. The kinetic parameters considered were rise time (RT), decay time (DT) and total time (TT), while the spectral parameters consisted of ratios of light intensities at 480 and 520 nm to the intensity at 500nm. Oneway analysis of variance (ANOVA) demonstrated significant heterogeneity among species for all variables. A posteriori analysis performed with the ANOVA for TT indicated that mean TT for most species is significantly different from all other species. Canonical discriminant analysis was performed to estimate the value of kinetic and spectral parameters for species' identification. Kinetic data were somewhat more valuable in species' classification than spectral data. Discriminant analysis with RT and DT alone gave 83.1% correct species-classifications. Classification success based only on relative intensities at 480 and 520 nm was 77.5%. When all four variables were included, classification success was 100%.
    Type of Medium:
    Electronic Resource
    URL:
    http://dx.doi.org/10.1007/BF00397573

    Articles: DFG German National Licenses