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  • PANGAEA  (4)
  • Blackwell Science Ltd  (3)
  • Blackwell Science Inc  (1)
  • 2005-2009  (8)
  • 1985-1989
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  • 1
    Electronic Resource
    Electronic Resource
    TASTE PERCEPTIONS AND DIETARY INTAKES OF SMOKELESS TOBACCO USERS AND NONTOBACCO USERS (2005)
    Oxford, UK and Malden, USA : Blackwell Science Inc
    Journal of sensory studies 20 (2005), S. 0 
    Details
    ISSN: 1745-459X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Smokeless tobacco and nontobacco users differed for certain concentrations of perceived intensities of the four solutions – significantly for sweet (P ≤ 0.008) and salty (P = 0.001). Sensitivity to salty (P = 0.02) and bitter (P = 0.11) solutions decreased with increasing hours of exposure to smokeless tobacco. Smokeless tobacco and nontobacco users rated fruits and vegetables for preference and the four taste senses differently, with a decreasing trend for sweet tastes in smokeless tobacco users with increasing hours of exposure to smokeless tobacco. Smokeless tobacco users consumed more total fat (P = 0.06) and fat per 1000 kcal (P = 0.13) than nontobacco users. Higher intakes of total fat (P = 0.005), total fat per 1000 kcal (P = 0.18), total sodium (P = 0.03) and total Vitamin E (P = 0.06) were found with increasing hours of exposure to smokeless tobacco. Although fruit and vegetable intakes did not differ between smokeless tobacco and nontobacco users, both groups should increase their consumption of fruits and vegetables.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1745-459X.2005.00022.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Use of carbon-11 in Populus shows that exogenous jasmonic acid increases biosynthesis of isoprene from recently fixed carbon (2005)
    Oxford, UK : Blackwell Science Ltd
    Plant, cell & environment 28 (2005), S. 0 
    Details
    ISSN: 1365-3040
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: A new approach for pulse labelling of plants using the short-lived positron emitting radioisotope carbon-11 (half-life: 20.4 min) as 11CO2 is reported together with its application to measuring [11C]isoprene emissions from intact leaves capturing information associated with: (1) rate of emission; (2) the relative contribution of recently fixed carbon to isoprene biosynthesis; and (3) the transit time for tracer movement through the leaf and biochemical pathways associated with isoprene biosynthesis. This approach was applied to study the response of certain Populus species to exogenous treatments of jasmonic acid (JA), a plant hormone implicated in signal transduction linked to defence response against herbivory. Twelve hours after treatment of single intact leaves of aspen (Populus tremuloides) with a 1 m m JA spray, isoprene emissions from those leaves increased 1.5 times the controls from 35.4 ± 2.2 to 53.1 ± 4.8 nmol m−2 s−1. [11C]Isoprene emissions from the same leaves, reflecting the isoprene that was derived from recently fixed carbon, increased much more, to 2.2 times the controls. This increase coincided with a change in emitted [11C]isoprene from 0.31 to 0.68% of 11C fixed in the leaf tissue, while the tracer transit time remained constant at 12.5 min. These results suggest that JA had no effect on enzyme kinetics involved in isoprene biosynthesis, but did impact the source of recent carbon feeding that pathway. Studies with poplar (Populus nigra clone NC 5271) showed similar trends in systemic emissions (from an untreated leaf on the same plant).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3040.2004.01303.x
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  • 3
    Electronic Resource
    Electronic Resource
    Constitutive expression of yeast phospholipid biosynthetic genes by variants of Ino2 activator defective for interaction with Opi1 repressor (2005)
    Oxford, UK : Blackwell Science Ltd
    Molecular microbiology 56 (2005), S. 0 
    Details
    ISSN: 1365-2958
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Medicine
    Notes: Regulated expression of structural genes involved in yeast phospholipid biosynthesis is mediated by inositol/choline-responsive element (ICRE) upstream motifs, bound by the heterodimeric activator complex Ino2 + Ino4. Gene repression occurs in the presence of sufficient inositol and choline, requiring an intact Opi1 repressor which binds to Ino2. For a better understanding of interactions among regulators, we mapped an 18 aa repressor interaction domain (RID, aa 118–135) within Ino2 necessary and sufficient for binding by Opi1. By alanine scanning mutagenesis of the entire RID we were able to identify nine residues critical for Opi1-dependent repression of Ino2 function. Consequently, the corresponding dominant Ino2 variants conferred constitutive expression of an ICRE-dependent reporter gene and were no longer inhibited even by overproduction of Opi1. Interestingly, Ino2 RID partially overlaps with transcriptional activation domain TAD2. As certain mutations exclusively affect repression while others affect both repression and activation, both functions of Ino2 can be functionally uncoupled. Correspondingly, we mapped the RID–binding activator interaction domain (AID, aa 321–380) at the C-terminus of Opi1 and introduced missense mutations at selected positions. An Opi1 variant simultaneously mutated at three highly conserved positions showed complete loss of repressor function, confirming RID–AID interaction as the crucial step of regulated expression of ICRE-dependent genes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2958.2004.04499.x
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  • 4
    Electronic Resource
    Electronic Resource
    Markoff chain modelling of NDI techniques (2005)
    PO Box 1354, 9600 Garsington Road, Oxford OX4 2XG, UK. : Blackwell Science Ltd
    Fatigue & fracture of engineering materials & structures 28 (2005), S. 0 
    Details
    ISSN: 1460-2695
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: A procedure for non-destructive inspection by taking into account the effects of stochastic fatigue crack growth is presented. For this purpose a Markoff chain model is used to update the crack statistics, allowing an efficient computational implementation and a clear account of the involved concepts. In this context, perfect and imperfect removal of cracks, respectively, are considered, which represent idealizations defining bounds for actual situations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1460-2695.2004.00853.x
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  • 5
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    Abundance and characteristics of Polychaeta taxa and associated sediment during POLARSTERN campaign ANT-XXII/3 (ANDEEP-IIII) (2009)
    PANGAEA
    In:  Supplement to: Schüller, Myriam; Ebbe, Brigitte; Wägele, Johann-Wolfgang (2009): Community structure and diversity of polychaetes (Annelida) in the deep Weddell Sea (Southern Ocean) and adjacent basins. Marine Biodiversity, 39(2), 95-108, https://doi.org/10.1007/s12526-009-0009-4
    Details
    Publication Date: 2023-10-28
    Description: During the austral summer of 2005, the Weddell deep sea and adjacent basins were sampled in the course of the ANDEEP III project. In this study, 19 epibenthic-sledge stations are analyzed, with a focus on species diversity and distribution patterns of polychaetes. The polychaete fauna of the deep Southern Ocean has been found to be similarly speciose and diverse compared with deep-sea basins worldwide. Also, in depths below 2,000 m many polychaete species do not seem to be endemic for certain areas but are rather far spread within the Southern Ocean and beyond. Therefore, ongoing faunal exchanges between adjacent basins, even beyond the Antarctic convergence, are strongly suggested, ruling out a general isolation of the Southern Ocean deep-sea benthos. Driving forces behind species distribution patterns were investigated. The findings indicate that polychaete species' distribution in the Southern Ocean deep sea is rather dependent on local environment than depths.
    Keywords: Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas; SPP1158
    Type: Dataset
    Format: application/zip, 3 datasets
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  • 6
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    (Table 1) Number of individuals, species and families of Polychaeta in EBS-samples from the ANDEEP-III campaign (ANT-XXII/3) (2009)
    PANGAEA
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-XXII/3; Area/locality; Date/Time of event; EBS; Elevation of event; Epibenthic sledge; Event label; Latitude of event; Latitude of event 2; Longitude of event; Longitude of event 2; Polarstern; Polychaeta; PS67/016-10; PS67/021-7; PS67/059-5; PS67/074-6; PS67/078-9; PS67/080-9; PS67/081-8; PS67/088-8; PS67/094-14; PS67/102-13; PS67/110-8; PS67/121-10; PS67/133-2; PS67/142-5; PS67/150-6; PS67/151-7; PS67/152-6; PS67/153-7; PS67/154-9; PS67 ANDEEP 3; Trawling distance
    Type: Dataset
    Format: text/tab-separated-values, 95 data points
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  • 7
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    (Table 3) Description of sedimentary environment at EBS-sampling sites during the ANDEEP-III campaign (ANT-XXII/3) (2009)
    PANGAEA
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-XXII/3; Date/Time of event; Description; EBS; Elevation of event; Epibenthic sledge; Event label; Latitude of event; Latitude of event 2; Longitude of event; Longitude of event 2; Polarstern; PS67/016-10; PS67/021-7; PS67/059-5; PS67/078-9; PS67/080-9; PS67/081-8; PS67/088-8; PS67/102-13; PS67/142-5; PS67/152-6; PS67/153-7; PS67/154-9; PS67 ANDEEP 3; Sand; Silt; Size fraction 〈 0.002 mm, clay
    Type: Dataset
    Format: text/tab-separated-values, 204 data points
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  • 8
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    (Tables 1, 3) Details of Agassiz trawl stations and numbers of specimens per macro- and megazoobenthic taxon collected during POLARSTERN cruise ANT-XXII/3 (ANDEEP III) (2007)
    PANGAEA
    In:  Supplement to: Linse, Katrin; Brandt, Angelika; Bohn, Jens M; Danis, Bruno; De Broyer, Claude; Ebbe, Brigitte; Heterier, Vincent; Janussen, Dorte; López-González, Pablo José; Schüller, Myriam; Schwabe, E; Thomson, Michael (2007): Macro- and megabenthic assemblages in the bathyal and abyssal Weddell Sea (Southern Ocean). Deep Sea Research Part II: Topical Studies in Oceanography, 54(16-17), 1848-1863, https://doi.org/10.1016/j.dsr2.2007.07.011
    Details
    Publication Date: 2024-06-26
    Description: The assemblages inhabiting the continental shelf around Antarctica are known to be very patchy, in large part due to deep iceberg impacts. The present study shows that richness and abundance of much deeper benthos, at slope and abyssal depths, also vary greatly in the Southern and South Atlantic oceans. On the ANDEEP III expedition, we deployed 16 Agassiz trawls to sample the zoobenthos at depths from 1055 to 4930 m across the northern Weddell Sea and two South Atlantic basins. A total of 5933 specimens, belonging to 44 higher taxonomic groups, were collected. Overall the most frequent taxa were Ophiuroidea, Bivalvia, Polychaeta and Asteroidea, and the most abundant taxa were Malacostraca, Polychaeta and Bivalvia. Species richness per station varied from 6 to 148. The taxonomic composition of assemblages, based on relative taxon richness, varied considerably between sites but showed no relation to depth. The former three most abundant taxa accounted for 10-30% each of all taxa present. Standardised abundances based on trawl catches varied between 1 and 252 individuals per 1000 m2. Abundance significantly decreased with increasing depth, and assemblages showed high patchiness in their distribution. Cluster analysis based on relative abundance showed changes of community structure that were not linked to depth, area, sediment grain size or temperature. Generally abundances of zoobenthos in the abyssal Weddell Sea are lower than shelf abundances by several orders of magnitude.
    Keywords: Actiniaria; Agassiz Trawl; AGT; Alcyonacea; Amphipoda; Antipatharia; ANT-XXII/3; Ascidiacea; Asteroidea; Bivalvia; Brachiopoda; Bryozoa; Ceriantharia; Corallimorpharia; Crinoidea; Cumacea; Date/Time of event; Depth, bottom/max; Depth, top/min; Echiurida; Errantia; Event label; Haul length; Holothuroidea; Hydrozoa; Irregularia spp.; Isopoda; Latitude of event; Latitude of event 2; Longitude of event; Longitude of event 2; Mysidacea; Natantia; Nemertea; Ocean and sea region; Octopoda; Ophiuroidea; Opisthobranchia; Ostracoda; Pennatulacea; Pisces; Polarstern; Polyplacophora; Porifera; Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas; Prosobranchia; PS67/016-11; PS67/021-8; PS67/057-2; PS67/059-10; PS67/074-7; PS67/078-11; PS67/080-6; PS67/081-9; PS67/088-11; PS67/094-11; PS67/102-11; PS67/110-2; PS67/121-7; PS67/142-6; PS67/150-7; PS67/151-1; PS67 ANDEEP 3; Pycnogonida; Regularia spp.; Scaphopoda; Scleractinia; Scyphozoa; Sedentaria; Sediment type; Sipunculida; SPP1158; Tanaidacea; Teuthida; Thoracica; Volume; Zoantharia
    Type: Dataset
    Format: text/tab-separated-values, 784 data points
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