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  • AWI_Paleo; BCR; Box corer (Reineck); Carbon, organic, total; CTD/Rosette; CTD-RO; DEPTH, sediment/rock; Element analyser CHN, LECO CNS 2000; Elevation of event; Event label; GEOMAR; Giant box corer; GKG; Grab; GRAB; Helmholtz Centre for Ocean Research Kiel; IK9301-6; IK9306-6; IK9309-4; IK9313-6; IK9315-1; IK9316-6; IK9318-3; IK9320-1; IK9321-5; IK9323-6; IK9324-4; IK9330-2; IK9334-7; IK9338-5; IK9340-6; IK9342-6; IK9344-8; IK9346-4; IK9348-6; IK9353-9; IK9356-2; IK9358-5; IK9365-6; IK9367-2; IK9370-12; IK9371-1; IK9373-8; IK9373A-6; IK9382-6; IK9384-1; IK93K1-1; IK93K2-1; IK93Z3-3; IK93Z4-4; IK93Z5-3; Isotope ratio mass spectrometry; Ivan Kireyev; Kapitan Dranitsyn; KD9502-12; KD9509-6; KD9510-3; KD9517-3; KD9523-7; KD9529-11; KD9533-10; KD9541-12; KD9548-11; KD9555-10; KD9560-5; KD9561-3; KD9565-11; KD9568-7; KD9572-1; Laptev Sea; LATITUDE; Lena Nordenskøld Station; LN9604-8; LN9604-9; LN9605-8; LN9605-9; LN9606-10; LN9606-9; LN9608-12; LN9609-14; LN9610-11; LN9611-12; LN9612-8; LN9613-8; LN9614-7; LN9615-5; LN9616-7; LN9617-8; LN9618-8; LN9619-9; LN9620-12; LN9621-11; LN9622-8; LN9623-10; LN9624-10; LN9625-10; LONGITUDE; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Photo/Video; PM9402-3; PM9417-4; PM9441-4; PM9442-3; PM9462-1; PM9463-8; PM9475-3; PM9481-2; PM9482-1; PM9492-3; PM9494-5; PM9499-1; Professor Multanovskiy; PV; Quaternary Environment of the Eurasian North; QUEEN; Siberian River Run-Off; SIRRO; Transdrift-I; Transdrift-II; Transdrift-III; Transdrift-IV; van Veen Grab; VGRAB; δ13C, organic carbon  (1)
  • Antisense RNA  (1)
  • Chromosomal sex determination
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  • 1
    facet.materialart.
    Unknown
    Carbon analysis of surface sediments from the Laptev Se (2001)
    PANGAEA
    In:  Supplement to: Fahl, Kirsten; Cremer, Holger; Erlenkeuser, Helmut; Hanssen, Hinrich; Hölemann, Jens A; Kassens, Heidemarie; Knickmeier, Karin; Kosobokova, Ksenia N; Kunz-Pirrung, Martina; Lindemann, Frank; Markhaseva, Elena; Lischka, Silke; Petryashov, Victor; Piepenburg, Dieter; Schmid, Michael K; Spindler, Michael; Stein, Ruediger; Tuschling, Kirsten (2001): Sources and pathways of organic carbon in the modern Laptev Sea (Arctic Ocean): implications from biological, geochemical and geological data. Polarforschung, 69, 193-205, hdl:10013/epic.29844.d001
    Details
    Publication Date: 2024-04-16
    Description: During the past six years organic geochemical, micropaleontological, and sedimentological investigations were carried out within the framework of the multidisciplinary bilateral German-Russian research project ''System Laptev Sea'' and detailed biological investigations within the project ''German-Russian Investigations of the Marginal Seas of the Eurasian Arctic'', In order to understand the Laptev Sea ecosystem and to obtain information about sources and fate of organic carbon, the distribution of phyto- and zooplankton, diatoms, chlorophyll a benthic macrofauna, palynomorphs, grain size, total organic carbon, d13Corg and biomarkers (n-alkanes, fatty acids) were determined. In general, the influence of the major rivers draining into the Laptev Sea, is reflected in the water column as well as in the surface sediments. In both habitats three ecological provinces can be distinguished, i.e., the southeastern Laptev Sea, the central Laptev Sea, and the northern Laptev Sea. Additionally, clear differences between the western and the eastern Laptev Sea occur. The comparison of the different data sets of the water column and the surface sediments provide information about organic carbon sources and pathways in the Laptev Sea shelf and continental slope area.
    Keywords: AWI_Paleo; BCR; Box corer (Reineck); Carbon, organic, total; CTD/Rosette; CTD-RO; DEPTH, sediment/rock; Element analyser CHN, LECO CNS 2000; Elevation of event; Event label; GEOMAR; Giant box corer; GKG; Grab; GRAB; Helmholtz Centre for Ocean Research Kiel; IK9301-6; IK9306-6; IK9309-4; IK9313-6; IK9315-1; IK9316-6; IK9318-3; IK9320-1; IK9321-5; IK9323-6; IK9324-4; IK9330-2; IK9334-7; IK9338-5; IK9340-6; IK9342-6; IK9344-8; IK9346-4; IK9348-6; IK9353-9; IK9356-2; IK9358-5; IK9365-6; IK9367-2; IK9370-12; IK9371-1; IK9373-8; IK9373A-6; IK9382-6; IK9384-1; IK93K1-1; IK93K2-1; IK93Z3-3; IK93Z4-4; IK93Z5-3; Isotope ratio mass spectrometry; Ivan Kireyev; Kapitan Dranitsyn; KD9502-12; KD9509-6; KD9510-3; KD9517-3; KD9523-7; KD9529-11; KD9533-10; KD9541-12; KD9548-11; KD9555-10; KD9560-5; KD9561-3; KD9565-11; KD9568-7; KD9572-1; Laptev Sea; LATITUDE; Lena Nordenskøld Station; LN9604-8; LN9604-9; LN9605-8; LN9605-9; LN9606-10; LN9606-9; LN9608-12; LN9609-14; LN9610-11; LN9611-12; LN9612-8; LN9613-8; LN9614-7; LN9615-5; LN9616-7; LN9617-8; LN9618-8; LN9619-9; LN9620-12; LN9621-11; LN9622-8; LN9623-10; LN9624-10; LN9625-10; LONGITUDE; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Photo/Video; PM9402-3; PM9417-4; PM9441-4; PM9442-3; PM9462-1; PM9463-8; PM9475-3; PM9481-2; PM9482-1; PM9492-3; PM9494-5; PM9499-1; Professor Multanovskiy; PV; Quaternary Environment of the Eurasian North; QUEEN; Siberian River Run-Off; SIRRO; Transdrift-I; Transdrift-II; Transdrift-III; Transdrift-IV; van Veen Grab; VGRAB; δ13C, organic carbon
    Type: Dataset
    Format: text/tab-separated-values, 170 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 2
    Electronic Resource
    Electronic Resource
    Simple repetitive sequences are associated with differentiation of the sex chromosomes in the guppy fish (1990)
    Springer
    Journal of molecular evolution 30 (1990), S. 456-462 
    Details
    ISSN: 1432-1432
    Keywords: Chromosomal sex determination ; Heterochromatin ; “Junk” DNA ; DNA fingerprinting ; Oligonucleotide hydridization in situ
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Hybridization of restriction enzymedigested genomic guppy (Poecilia reticulata, Poeciliidae) DNA with the oligonucleotide probe (GACA)4 revealed a male-specific simple tandem repeat locus, which defines the Y chromosome in outbred populations. The related (GATA)4 probe identifies certain males with the red color phenotype. In contrast only in two out of eight laboratory guppy strains was the typical (GACA)4 band observed. By specific staining of the constitutive heterochromatin one pair of chromosomes could also be identified as the sex chromosomes, confirming the XX/XY mechanism of sex determination. All males exhibit Y chromosomes with a large region of telomeric heterochromatin. Hybridization in situ with nonradioactively labeled oligonucleotide probes localized the (GACA)n repeats to this heterochromatic portion. Together these results may be regarded as a recent paradigm for the differentiation of heteromorphic sex chromosomes from a pair of autosomes during the course of evolution. According to the fish model system, this may have happened in several independent consecutive steps.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02101117
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    An expression vector inhibits gene expression in Xenopus embryos by antisense RNA (1992)
    Springer
    Development genes and evolution 201 (1992), S. 340-345 
    Details
    ISSN: 1432-041X
    Keywords: Antisense RNA ; BPV ; Episomal expression vector ; Actin gene
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary An expression vector was constructed containing the entire bovine papilloma virus (BPV-1) genome and part of the a-actin gene of Xenopus laevis cloned in the antisense orientation into the neomycin resistance gene under the control of the herpes simplex virus (HSV) thymidine kinase (TK) promoter. When this vector is microinjected into X. laevis embryos it replicates extrachromosomally, at least up to the tadpole stage, and a fusion RNA is synthesized after the mid blastula transition (MBT). The expression of the antisense gene results in a morphological abnormality of somites demonstrating that antisense RNA generated by an episomal replicating expression vector can inhibit the expression of a selected gene during early embryogenesis of X. laevis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00365121
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    Paper (German National Licenses)
    Fulltext
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