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Träfflista för sökning "WFRF:(Roesch M) "

Search: WFRF:(Roesch M)

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  • Serge, M. A., et al. (author)
  • Testing the Effect of Relative Pollen Productivity on the REVEALS Model : A Validated Reconstruction of Europe-Wide Holocene Vegetation
  • 2023
  • In: Land. - : MDPI. - 2073-445X. ; 12:5
  • Journal article (peer-reviewed)abstract
    • Reliable quantitative vegetation reconstructions for Europe during the Holocene are crucial to improving our understanding of landscape dynamics, making it possible to assess the past effects of environmental variables and land-use change on ecosystems and biodiversity, and mitigating their effects in the future. We present here the most spatially extensive and temporally continuous pollen-based reconstructions of plant cover in Europe (at a spatial resolution of 1 degrees x 1 degrees) over the Holocene (last 11.7 ka BP) using the 'Regional Estimates of VEgetation Abundance from Large Sites' (REVEALS) model. This study has three main aims. First, to present the most accurate and reliable generation of REVEALS reconstructions across Europe so far. This has been achieved by including a larger number of pollen records compared to former analyses, in particular from the Mediterranean area. Second, to discuss methodological issues in the quantification of past land cover by using alternative datasets of relative pollen productivities (RPPs), one of the key input parameters of REVEALS, to test model sensitivity. Finally, to validate our reconstructions with the global forest change dataset. The results suggest that the RPPs.st1 (31 taxa) dataset is best suited to producing regional vegetation cover estimates for Europe. These reconstructions offer a long-term perspective providing unique possibilities to explore spatial-temporal changes in past land cover and biodiversity.
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  • Rieke, Johanna Magdalena, et al. (author)
  • SLC20A1Is Involved in Urinary Tract and Urorectal Development
  • 2020
  • In: Frontiers in Cell and Developmental Biology. - : FRONTIERS MEDIA SA. - 2296-634X. ; 8
  • Journal article (peer-reviewed)abstract
    • Previous studies in developingXenopusand zebrafish reported that the phosphate transporterslc20a1ais expressed in pronephric kidneys. The recent identification ofSLC20A1as a monoallelic candidate gene for cloacal exstrophy further suggests its involvement in the urinary tract and urorectal development. However, little is known of the functional role ofSLC20A1in urinary tract development. Here, we investigated this using morpholino oligonucleotide knockdown of the zebrafish orthologslc20a1a. This caused kidney cysts and malformations of the cloaca. Moreover, in morphants we demonstrated dysfunctional voiding and hindgut opening defects mimicking imperforate anus in human cloacal exstrophy. Furthermore, we performed immunohistochemistry of an unaffected 6-week-old human embryo and detectedSLC20A1in the urinary tract and the abdominal midline, structures implicated in the pathogenesis of cloacal exstrophy. Additionally, we resequencedSLC20A1in 690 individuals with bladder exstrophy-epispadias complex (BEEC) including 84 individuals with cloacal exstrophy. We identified two additional monoallelicde novovariants. One was identified in a case-parent trio with classic bladder exstrophy, and one additional novelde novovariant was detected in an affected mother who transmitted this variant to her affected son. To study the potential cellular impact ofSLC20A1variants, we expressed them in HEK293 cells. Here, phosphate transport was not compromised, suggesting that it is not a disease mechanism. However, there was a tendency for lower levels of cleaved caspase-3, perhaps implicating apoptosis pathways in the disease. Our results suggestSLC20A1is involved in urinary tract and urorectal development and implicateSLC20A1as a disease-gene for BEEC.
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  • Trondman, Anna-Kari, et al. (author)
  • Pollen-based quantitative reconstructions of Holocene regional vegetation cover (plant-functional types and land-cover types) in Europe suitable for climate modelling
  • 2015
  • In: Global Change Biology. - : Wiley. - 1354-1013 .- 1365-2486. ; 21:2, s. 676-697
  • Journal article (peer-reviewed)abstract
    • We present quantitative reconstructions of regional vegetation cover in north-western Europe, western Europe north of the Alps, and eastern Europe for five time windows in the Holocene [around 6k, 3k, 0.5k, 0.2k, and 0.05k calendar years before present (bp)] at a 1 degrees x1 degrees spatial scale with the objective of producing vegetation descriptions suitable for climate modelling. The REVEALS model was applied on 636 pollen records from lakes and bogs to reconstruct the past cover of 25 plant taxa grouped into 10 plant-functional types and three land-cover types [evergreen trees, summer-green (deciduous) trees, and open land]. The model corrects for some of the biases in pollen percentages by using pollen productivity estimates and fall speeds of pollen, and by applying simple but robust models of pollen dispersal and deposition. The emerging patterns of tree migration and deforestation between 6k bp and modern time in the REVEALS estimates agree with our general understanding of the vegetation history of Europe based on pollen percentages. However, the degree of anthropogenic deforestation (i.e. cover of cultivated and grazing land) at 3k, 0.5k, and 0.2k bp is significantly higher than deduced from pollen percentages. This is also the case at 6k in some parts of Europe, in particular Britain and Ireland. Furthermore, the relationship between summer-green and evergreen trees, and between individual tree taxa, differs significantly when expressed as pollen percentages or as REVEALS estimates of tree cover. For instance, when Pinus is dominant over Picea as pollen percentages, Picea is dominant over Pinus as REVEALS estimates. These differences play a major role in the reconstruction of European landscapes and for the study of land cover-climate interactions, biodiversity and human resources.
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  • Draaken, Markus, et al. (author)
  • Classic Bladder Exstrophy: Frequent 22q11.21 Duplications and Definition of a 414 kb Phenocritical Region
  • 2014
  • In: Birth Defects Research. Part A: Clinical and Molecular Teratology. - : Wiley. - 1542-0760 .- 1542-0752. ; 100:6, s. 512-517
  • Journal article (peer-reviewed)abstract
    • Background: Classic bladder exstrophy (CBE) is the most common form of the bladder exstrophy and epispadias complex. Previously, we and others have identified four patients with a duplication of 22q11.21 among a total of 96 unrelated CBE patients. Methods: Here, we investigated whether this chromosomal aberration was commonly associated with CBE/bladder exstrophy and epispadias complex in an extended case-control sample. Multiplex ligation-dependent probe amplification and microarray-based analysis were used to identify 22q11.21 duplications in 244 unrelated bladder exstrophy and epispadias complex patients (including 217 CBE patients) and 665 healthy controls. Results: New duplications of variable size were identified in four CBE patients and one control. Pooling of our previous and present data (eight duplications in 313 CBE patients) yielded a combined odds ratio of 31.86 (95% confidence interval, 4.24-1407.97). Array-based sequence capture and high-throughput targeted re-sequencing established that all breakpoints resided within the low-copy repeats 22A to 22D. Comparison of the eight duplications revealed a 414 kb phenocritical region harboring 12 validated RefSeq genes. Characterization of these 12 candidate genes through whole-mount in situ hybridization of mouse embryos at embryonic day 9.5 suggested that CRKL, THAP7, and LZTR1 are CBE candidate genes. Conclusion: Our data suggest that duplication of 22q11.21 increases CBE risk and implicate a phenocritical region in disease formation. (C) 2014 Wiley Periodicals, Inc.
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  • Result 1-10 of 25
Type of publication
journal article (24)
conference paper (1)
Type of content
peer-reviewed (21)
other academic/artistic (4)
Author/Editor
Roesch, T (4)
Reutter, Heiko (3)
Holmdahl, Gundela (3)
Ludwig, Michael (3)
Racz, I. (2)
Anderson, J (2)
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Jover, R (2)
Rupinski, M. (2)
Bretthauer, M (2)
Kuipers, EJ (2)
Bennett, C (2)
Läckgren, Göran (2)
Hegbrant, J (2)
Jenetzky, Ekkehart (2)
Hoppe, Harald (2)
Zhang, Rong (2)
Veski, S. (2)
Minozzi, S (2)
Barker, Gillian (2)
Senore, C (2)
Fischer, E. (2)
Rutter, MD (2)
Valori, R (2)
Dekker, E (2)
Kaminski, MF (2)
Mazier, F. (2)
Hassan, C (2)
Hoff, G (2)
Garborg, K (2)
Bugajski, M (2)
Suchanek, S (2)
Bisschops, R (2)
Spada, C (2)
Domagk, D (2)
David, R (2)
Dinis-Ribeiro, M (2)
Woolf, Adrian S (2)
Wittler, Lars (2)
Ebert, Anne-Karoline (2)
Roesch, Wolfgang (2)
Stein, Raimund (2)
Boemers, Thomas M. (2)
Gearhart, John P. (2)
Boyadjiev, Simeon A. (2)
Timofte, D (2)
Zwink, Nadine (2)
Fyfe, R. (2)
Kangur, M (2)
Leydet, M (2)
Lechterbeck, J (2)
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University
Karolinska Institutet (12)
Uppsala University (7)
Lund University (3)
University of Gothenburg (2)
Linnaeus University (2)
Swedish University of Agricultural Sciences (2)
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Stockholm University (1)
Örebro University (1)
Linköping University (1)
Mid Sweden University (1)
Södertörn University (1)
Chalmers University of Technology (1)
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Language
English (25)
Research subject (UKÄ/SCB)
Natural sciences (10)
Medical and Health Sciences (5)
Engineering and Technology (1)
Social Sciences (1)

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