981 resultados para Thiers, Adolphane, 1797-1877
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right: Joseph Molling sitting; left: unknown man standing
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Badly faded picture of Peter Molling, left, and his father, Josef Molling
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Josef Molling committed suicide. He had financial problems, either embezzelment from the Prussian State Lottery or over an aircraft plant.
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Technical highlights 2008–09, with detailed progress reports on the latest invasive plant and animal research undertaken by Biosecurity Queensland, a service unit of the Department of Employment, Economic Development and Innovation.
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right: Joseph Molling sitting; left: unknown man standing
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Photo taken in Israel.
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right: Joseph Molling sitting; left: unknown man standing
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Badly faded picture of Peter Molling, left, and his father, Josef Molling
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Josef Molling committed suicide. He had financial problems, either embezzelment from the Prussian State Lottery or over an aircraft plant.
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Rhipicephalus micro plus is an important bovine ectoparasite, widely distributed in tropical and subtropical regions of the world causing large economic losses to the cattle industry. Its success as an ectoparasite is associated with its capacity to disarm the antihemostatic and anti-inflammatory reactions of the host. Serpins are protease inhibitors with an important role in the modulation of host-parasite interactions. The cDNA that encodes for a R. microplus serpin was isolated by RACE and subsequently cloned into the pPICZ alpha A vector. Sequence analysis of the cDNA and predicted amino acid showed that this cDNA has a conserved serpin domain. B- and T-cell epitopes were predicted using bioinformatics tools. The recombinant R. microplus serpin (rRMS-3) was secreted into the culture media of Pichia pastoris after methanol induction at 0.2 mg l(-1) qRT-PCR expression analysis of tissues and life cycle stages demonstrated that RMS-3 was mainly expressed in the salivary glands of female adult ticks. Immunological recognition of the rRMS-3 and predicted B-cell epitopes was tested using tick-resistant and susceptible cattle sera. Only sera from tick-resistant bovines recognized the B-cell epitope AHYNPPPPIEFT (Seq7). The recombinant RMS-3 was expressed in P. pastoris, and ELISA screening also showed higher recognition by tick-resistant bovine sera. The results obtained suggest that RMS-3 is highly and specifically secreted into the bite site of R. microplus feeding on tick-resistant bovines. Capillary feeding of semi-engorged ticks with anti-AHYNPPPPIEFT sheep sera led to an 81.16% reduction in the reproduction capacity of R. microplus. Therefore, it is possible to conclude that R. microplus serpin (RMS-3) has an important role in the host-parasite interaction to overcome the immune responses in resistant cattle. (C) 2012 Elsevier GmbH. All rights reserved.
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Rhipicephalus (Boophilus) microplus (Acari: Ixodidae) ticks cause economic losses for cattle industries throughout tropical and subtropical regions of the world estimated at $US2.5 billion annually. Lack of access to efficacious long-lasting vaccination regimes and increases in tick acaricide resistance have led to the investigation of targets for the development of novel tick vaccines and treatments. In vitro tick feeding has been used for many tick species to study the effect of new acaricides on the transmission of tick-borne pathogens. Few studies have reported the use of in vitro feeding for functional genomic studies using RNA interference and/or the effect of specific anti-tick antibodies. In particular, in vitro feeding reports for the cattle tick are limited due to its relatively short hypostome. Previously published methods were further modified to broaden optimal tick sizes/weights, feeding sources including bovine and ovine serum, optimisation of commercially available blood anti-coagulant tubes, and IgG concentrations for effective antibody delivery. Ticks are fed overnight and monitored for ∼5–6 weeks to determine egg output and success of larval emergence using a humidified incubator. Lithium-heparin blood tubes provided the most reliable anti-coagulant for bovine blood feeding compared with commercial citrated (CPDA) and EDTA tubes. Although >30 mg semi-engorged ticks fed more reliably, ticks as small as 15 mg also fed to repletion to lay viable eggs. Ticks which gained less than ∼10 mg during in vitro feeding typically did not lay eggs. One mg/ml IgG from Bm86-vaccinated cattle produced a potent anti-tick effect in vitro (83% efficacy) similar to that observed in vivo. Alternatively, feeding of dsRNA targeting Bm86 did not demonstrate anti-tick effects (11% efficacy) compared with the potent effects of ubiquitin dsRNA. This study optimises R. microplus tick in vitro feeding methods which support the development of cattle tick vaccines and treatments.
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The author's mother Alice Goldschmidt was a gifted piano player, who studied with Carl Maria Breithaupt and became his most talented student. Childhood recollections. Early musical awakening. Outbreak of World War One. Recollections of air raids and scarceness of food. Inflation and political instability in post-war Germany. Piano lessons by her mother from an early age. Heida made her debut at age fourteen with the Wiesbaden Symphony under the conductor Carl Schuricht, who became a close mentor and friend. Close relationship to her mother, who had a great influence on her professional career. Heida had a number of outstanding teachers, among them Artur Schnabel, Karl Leimer and Egon Petri. Heida was accepted as a student of Petri at the "Hochschule fuer Musik" in Berlin, where she studied between 1922-1925. Salon at her aunt's house with guests such as the playwright Georg Kaiser and Siegfried Wagner. Her sister Elsie received her Ph.D. in economics and moved to Berlin as well. Heida graduated from the "Hochschule" in 1925. Soon after she won an international piano competition in Berlin. Engagements with various conductors such as Max Fiedler and Otto Klemperer. Private lessons with Arthur Schnabel and Carl Friedberg, the co-founder of Juilliard. Due to occasional experiences of antisemitism during her music career Heida decided to change her name from Goldschmidt to Hermanns. Position at the "Hoch Conservatory" in Frankfurt. Encounter with the music critic Artur Holde, Heida's future-husband. Engagement and wedding in 1932. Move to Berlin.