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MLUH-E-266_2, Buteo buteo vulpinus (Gloger, 1833), eggshell
No full textInventory No.: MLUH-E-266_2, Object: eggshell, Species: Buteo buteo vulpinus (Gloger, 1833), Preservation: complete preservation, Locality_loc.: Ashabat, Locality today: [Ashgabat] Turmenistan, Country: TurkmenistanDate: 07/05/2025, Collection_coll.: M. Schönwetter, published in Handbuch der Oologie, Schönwetter, Max: Vol. I, p. 166, Identification by: M. Schönwetter, Aquisition: 1916, Aquired from: R. Tancré, ex Collection: ex. Coll. R. Tancr
MLUH-E-134_1, Pandion haliaetus (Linnaeus, 1758), eggshell
No full textInventory No.: MLUH-E-134_1, Object: eggshell, Species: Pandion haliaetus (Linnaeus, 1758), Preservation: good preservation, Locality_loc.: Western Australia, Locality today: Western Australia, Country: AustraliaCollection_coll.: M. Schönwetter, published in Handbuch der Oologie, Schönwetter, Max: Vol. I, p. 178, Identification by: M. Schönwetter, Aquisition: 1935, Aquired from: W. F. H. Rosenberg, ex Collection: ex. Coll. W. F. H. Rosenber
MLUH-E-362_2, Haliaeetus albicilla albicilla (Linnaeus, 1758), eggshell
No full textInventory No.: MLUH-E-362_2, Object: eggshell, Species: Haliaeetus albicilla albicilla (Linnaeus, 1758), Preservation: complete preservation, Locality_loc.: Umanak Grönland, Locality today: Uummannaq, Country: GreenlandDate: 08/05/1892, Collection_coll.: M. Schönwetter, published in Handbuch der Oologie, Schönwetter, Max: Vol. I, p. 173, Identification by: M. Schönwetter, Aquisition: 1910, Aquired from: Dr. Rey, ex Collection: ex.Coll. Dr. Re
Tillering plasticity of drought-stressed barley genotypes under different re-watering regimes
No full textBackground
One future challenge of agriculture will be maintaining food security in times of climate change. Future plant breeding, therefore, has to account for the genotypes’ survival during drought and a good recovery ability after rainfall events. We aimed at investigating the re-tillering behavior of selected barley genotypes (cultivars and wild barley introgression lines) in different drought and re-watering scenarios, which were applied in a high-throughput phenotyping facility. Re-tillering describes the activation of additional tillers after post-stress irrigation.
Results
Twenty-three selected genotypes of the barley NAM population HEB-25, along with three control genotypes, were evaluated in four replicates under five distinct treatment conditions. In this experiment, re-tillering was particularly pronounced in an alternating watering and stress treatment, where the resumption of irrigation post-stress enabled full recovery of the plants. However, it was noted that while re-watering after a stress period promotes tiller activation and the development of fertile ears, it also tends to increase the number of sterile ears. The degree of sterile ear formation varied significantly among different genotypes, highlighting the critical role of genetic factors in modulating plant responses to re-tillering and post-stress irrigation. It is important to note that excessive re-tillering has been shown to exhibit a negative correlation with fertile ear weight.
Conclusions
The impact of focusing on tiller number and re-tillering behavior in future barley breeding may be significant, particularly in the context of climate change. By selecting for genotypes with appropriate tillering plasticity, breeders can develop barley varieties that are more resilient to stress conditions such as drought
MLUH-E-151_1, Circus pygargus (Linnaeus, 1758), eggshell
No full textInventory No.: MLUH-E-151_1, Object: eggshell, Species: Circus pygargus (Linnaeus, 1758), Preservation: slight damageCollection_coll.: M. Schönwetter, published in Handbuch der Oologie, Schönwetter, Max: Vol. I, p. 176, Identification by: M. Schönwetter, Aquisition: 1941, Aquired from: Dr. Henrici, ex Collection: ex. Coll. R. Schmidt; ex. Coll. Dr. Henric
Charakterisierung verschiedener Formen von TFF3 im humanen Kolon, der Lunge und im Speichel: Bildung eines Komplexes mit IgG Fc Binding Protein (FCGBP) und seine mögliche Rolle bei der angeborenen mukosalen Immunabwehr
No full textTFF3 ist ein 59 Aminosäuren langes, sezerniertes Polypeptid und gehört zur Trefoil-Factor-Familie (TFF). Ungewöhnlich ist die Anzahl von 7 Cysteinresten, von denen 6 intramolekulare Disulfidbrücken die namensgebende TFF-Domäne bilden. Durch das C-terminale, 7. Cystein ist TFF3 in der Lage Homodimere und Heteromere zu bilden. TFF3 spielt eine Rolle bei mukosalen Schutz- und Reparaturmechanismen.
Ziel dieser Arbeit war es, die TFF3-Formen im humanen Kolon, Lunge, und Speichel zu analysieren und zu vergleichen. Dazu wurden Proteinextrakte von humanem Kolongewebe, Bronchialgewebe, bronchoalveolaere Lavage, Bronchialsekret und Speichel durch Größenausschlusschromatographie, verschiedene Gelelektrophoresesysteme und anschließende Westernblot-Analysen charakterisiert. Im Rahmen einer Kooperation wurden Proteomanalysen von TFF3 sowie Bindungsstudien mit 125I-TFF3 durchgeführt.
In allen untersuchten Proben lag TFF3 als hochmolekulares TFF3-FCGBP und niedermolekulares TFF3-Homodimer und -Monomer vor. Auch in Kolontumoren wurden ähnliche TFF3-Formen gefunden. Bei den Analysen konnte keine Wechselwirkung von TFF3 oder TFF3-FCGBP mit Muzinen oder DMBT1 beobachtet werden. Die Proteomanalysen zeigten N- und C-terminale Verkürzungen des reduzierten TFF3-Monomers. Diese Verkürzung werden vermutlich durch Proteasen, wie Elastase in der Lunge oder Chymotrypsin im Darm verursacht.
Durch ein stufenweises Extraktionsprotokoll konnten auswaschbare Proteine (E0) von löslichen Proteinen (E1) und schwerlöslichen Proteinen (E2) getrennt werden. Die Analyse von TFF3-FCGBP in diesen Extrakten deutet auf eine geringere Löslichkeit von FCGBP in Abhängigkeit vom TFF3-Gehalt hin. Somit ist TFF3 vermutlich an der Bildung einer schwerlöslichen Matrix im Mukus beteiligt, was es möglicherweise zu einem wichtigen Faktor für angeborenen mukosale Immunabwehr macht.TFF3 is a 59 amino acid long, secreted polypeptide and belongs to the trefoil factor family (TFF). Unusual is the number of 7 cysteines, of which 6 form the intramolecular TFF domain that gives it its name. Via the 7th cysteine, TFF3 is able to form homodimers and heteromers. TFF3 plays a role in mucosal protection and repair mechanisms.
The aim of this work was to analyze and compare the TFF3 forms in human colon, lung, and saliva. For this purpose, protein extracts from human colon tissue, bronchial tissue, BAL fluid, bronchial secretions and saliva were analyzed by size exclusion chromatography, various gel electrophoreses and subsequent Western blotting. As part of a cooperation, proteome analyses of TFF3 and binding studies with 125I-TFF3 were carried out.
In all samples analyzed, TFF3 was present as high molecular weight TFF3-FCGBP and low molecular weight TFF3-homodimer and monomer. Also in colon tumors similar TFF3-forms were found. No interaction of TFF3 or TFF3-FCGBP with mucins or DMBT1 was observed in the analyses. The proteomic analyses showed N- and C-terminal truncations of the reduced TFF3-monomer. This shortening is probably caused by proteases, such as elastase in the lung or chymotrypsin in the intestine. A stepwise extraction protocol was used to separate easy soluble proteins (E0) from soluble proteins (E1) and poorly soluble proteins (E2). The analysis of TFF3-FCGBP in these extracts indicates a low solubility of FCGBP depending on the TFF3 content. Thus, TFF3 is probably involved in the formation of a heavy soluble matrix in the mucus, making it an important factor for innate mucosal immune defense.Literaturverzeichnis: Seite 98-11
Linking wildlife conservation with Nature's Contributions to People : the case of the European wildcat in German protected forests
No full textForests provide essential benefits to human well-being, referred to as Nature's Contributions to People (NCP), including carbon storage, water filtration, biodiversity, and recreation. However, increasing human activities and land use changes have degraded wildlife habitats, threatening biodiversity and reducing NCP. This study presents a novel approach to assessing NCP by integrating keystone species-specific habitat assessment. It explores the synergies and trade-offs between the conservation of the European wildcat (Felis silvestris silvestris), an umbrella species promoting large and connected forest habitats, and the supply of forest-related NCP in German protected forests. Key factors influencing wildcat habitats are identified and their overlap with four selected NCP—carbon sequestration, water retention, timber potential, and recreation— are analyzed using remote sensing methodologies, including species distribution modelling and the InVEST water yield model, and statistical analysis, including correlations, spatial congruence, and k-means clustering, to assess synergies and trade-offs. The wildcat habitat model (AUC = 0.814) indicates that suitable habitats are structurally complex, densely forested landscapes that are distant from urban areas and roads but near agricultural land. Wildcat habitat provision shows a synergy with timber potential (ρ = 0.505) but low-to-moderate effects with other NCP (ρ range from −0.050 to 0.138). ANOVA results (p < 2.2e-16) indicate that national parks provide higher NCP levels than biosphere reserves and nature parks in the study areas. The results demonstrate that wildcat habitat provision does not conflict with other NCP, paving the way for further wildlife conservation measures and the establishment of more protection zones
"P&P20 - 2024" Tagungsband zum 20. Jahrestreffen Phonetik und Phonologie im deutschsprachigen Raum
No full textMinimizing trade-offs in agricultural landscapes through optimal spatial allocation of agri-environmental practices
No full textThe implementation of agri-environmental practices (AEPs) is a key strategy to reach biodiversity and environmental objectives in agricultural landscapes, but their widespread application is often hampered by perceived trade-offs with crop production. However, the extent of these trade-offs remains poorly understood and has rarely been quantified in real-world case studies.
Hence, our aim was to analyze trade-offs between crop yield, water quality and farmland biodiversity using an optimization approach for the spatial allocation of AEPs for a catchment in Eastern Germany. Potential AEPs were selected based on a co design approach with local stakeholders (stakeholder-based scenario) and were complemented by additional AEPs to reach current EU policies targets (policy-based scenarios). Consequences for crop production and environmental objectives were evaluated through spatially-explicit crop, water and biodiversity models. Contrary to common perception, we found that crop losses required to increase environmental objectives were marginal (maximum loss of 1.1% in the stakeholder based scenario). The implementation of AEPs even led to win-win outcomes for crop production and environmental objectives in over 20% of the Pareto-optimal solutions as compared to the status quo. These win-win outcomes resulted merely from biophysical effects as positive biodiversity feedbacks to agriculture were not included in our model. Spatial optimization of AEPs allocation was key to mediating trade-offs across scenarios, highlighting the large potential of spatially explicit approaches for the management of agricultural landscapes
Local floral resources and edge density within the urban ecosystem promote larger and less variable body size in the great banded furrow bee, Halictus scabiosae
No full textAn organism’s body size is a fundamental trait linked to its metabolism, life-history and dispersal. In holometabolous insects, whose size is fixed at adult eclosion, body size can be influenced by environmental factors during development (e.g. nutrition and temperature), or by ecological filtering during adulthood. In bees, larger body size has been linked to advantages in foraging efficiency, thermoregulation, and survival, while excessive variation in body size within populations may indicate developmental instability. Shifts in adult body size have been associated with temperature changes, food resource availability and habitat fragmentation, all of which can be modulated by urbanisation. However, the relationship between urban landscapes and wild bee body size remains poorly understood. In this study we investigated how local floral (food) resources, landscape structure and temperature influence the body size of the great banded furrow bee, Halictus scabiosae. Our findings highlight that food resources, semi-natural cover and edge density are the most significant environmental factors influencing body size shifts. Specifically, H. scabiosae body size increased with the species richness of flowering host plants at the local patch level. Within sampling sites, body size variation was positively associated with semi-natural cover, suggesting that habitat structure or competition may contribute to size heterogeneity, potentially disrupting size uniformity. Conversely, it was negatively associated with edge density, indicating that a higher amount of ecotones may promote greater size uniformity within populations. Our findings reinforce the idea that enhancing floral resources and improving habitat connectivity through green corridors can support wild bee populations in urban areas