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  • 2020-2024  (6)
  • 2005-2009  (116)
  • 2000-2004  (78)
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  • 1
    Online Resource
    Online Resource
    Digital Agriculture (2022)
    Cham :Springer International Publishing :
    Details
    Keywords: Agriculture. ; Mechanical engineering. ; Geographic information systems. ; Computer simulation. ; Agriculture. ; Mechanical Engineering. ; Geographical Information System. ; Computer Modelling.
    Description / Table of Contents: Chapter 1 - The Agriculture Eras -- Chapter 2 - Global Navigation Satellite Systems -- Chapter 3 - Spatial and Temporal Variability Analysis -- Chapter 4 - Images and Remote Sensing Applied to Agricultural Management -- Chapter 5 - Geoprocessing Applied to Crop Management -- Chapter 6 - Sampling and Interpretation of Maps -- Chapter 7 - Agricultural Drones’ Application -- Chapter 8 - Sensors and Actuators -- Chapter 9 - Control and Automation Systems in Agricultural Machinery -- Chapter 10 - Digital Irrigation -- Chapter 11 - Digital Livestock Farming -- Chapter 12 - Internet of Things In Agriculture -- Chapter 13 - Data transmission, cloud computing and Big Data -- Chapter 14 - Machine Learning -- Chapter 15 - Platforms, Applications and Software -- Chapter 16 - Digital Data: Cycle, Standardization, Quality, Sharing and Security -- Chapter 17 - Case Study: SLC Agrícola -- Index.
    Abstract: This textbook addresses the most recent advances and main digital technologies used in farming. The reader will be able to understand the main concepts and techniques currently used to efficiently manage agricultural production systems. The book covers topics in a general and intuitive way, with examples and good illustrations.
    Type of Medium: Online Resource
    Pages: VIII, 306 p. 145 illus., 123 illus. in color. , online resource.
    Edition: 1st ed. 2022.
    ISBN: 9783031145339
    URL: https://doi.org/10.1007/978-3-031-14533-9
    DOI: 10.1007/978-3-031-14533-9
    DDC: 630
    Language: English
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    E-BOOKS (AWI ONLY)
  • 2
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    Die politische Aufgabe von Religion (2021)
    Vandenhoeck & Ruprecht
    Details
    Publication Date: 2024-04-02
    Description: Das Verhältnis von Religion und Politik ist in den vergangenen Jahren verstärkt in den Fokus der Forschung gerückt. Die Autoren dieses Bandes widmen sich diesem Verhältnis unter einer besonderen Zuspitzung. Ihre Beiträge analysieren, inwiefern es zum Selbstverständnis von Religionen gehört, einen Beitrag zur Gestaltung der gesellschaftlichen und politischen Wirklichkeit leisten zu sollen. Mit dieser Problematik verknüpft ist eine zentrale Frage: Wie erklärt und wie äußert sich der Anspruch von Religionen, eine »politische Aufgabe« zu besitzen? Im Fokus stehen die drei großen monotheistischen Religionen Judentum, Christentum und Islam, wobei für das Christentum zusätzlich die konfessionellen Differenzen in den Blick kommen, die zu ganz unterschiedlichen Einschätzungen der politischen Aufgabe des Christentums geführt haben.Für alle drei monotheistischen Religionen nehmen die Beiträger jeweils eine Doppelperspektive ein: historische Beispiele erhellen die jeweiligen Bedingungen und Kontexte für religiös motivierte Teilhabe an politischer Gestaltung und Verantwortung; Systematische Entfaltungen versuchen eine Einbettung dieser Beispiele in die spezifischen Denkhorizonte der jeweiligen Religionen. Das so erhobene politische Selbstverständnis der Religionen wird schließlich mit der Fremdwahrnehmung dieses Selbstverständnisses aus nichtreligiöser Perspektive kontrastiert.
    Keywords: History ; Europe ; thema EDItEUR::N History and Archaeology::NH History::NHD European history
    Language: German
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    E-BOOK
  • 3
    Electronic Resource
    Electronic Resource
    High resolution temperature and density profiles during the energy quench of density limit disruptions in Rijnhuizen tokamak project (2002)
    [S.l.] : American Institute of Physics (AIP)
    Physics of Plasmas 9 (2002), S. 3402-3412 
    Details
    ISSN: 1089-7674
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Measurements of the electron temperature, Te, and density, ne, during the energy quench of a major disruption showed that the onset of Te erosion in the neighborhood of the m/n=2/1 O point at the low field side (LFS) accelerates the well-known m/n=1/1 erosion of the core temperature. During this phase Te(r) is only partially flat in the region between the q=2 and the q=1 surfaces and ne(r) decreases in the core and increases inside the m/n=2/1 island. Immediately after the flattening of Te(r) a large peak in Te and to a lesser extent in ne has been observed. This peak is radially localized at the q=2 radius at the LFS, is very short lived and is poloidally asymmetric. Te profiles measured by the heterodyne radiometer and the Thomson scattering agree very well up to the time Te(r) flattens but afterwards can be a factor of two different. © 2002 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1489675
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  • 4
    Electronic Resource
    Electronic Resource
    Fabrication of large periodic arrays of AlGaAs microdisks by laser-interference lithography and selective etching (2002)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 81 (2002), S. 592-594 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: By laser-interference lithography, reactive-ion etching, and selective wet-chemical etching using a citric acid-based solution, we have fabricated large periodic arrays of AlGaAs microdisks with periods of 4 μm and disk diameters between 1.5 and 2 μm. The arrays are characterized by temperature-dependent photoluminescence spectroscopy. Taking into account the below-threshold absorption of the quantum wells inside the disks, we get disk quality factors close to the theoretical maximum value. We demonstrate that our technique allows one also to produce one-dimensionally or two-dimensionally coupled arrays of microdisks. © 2002 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1495082
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  • 5
    Electronic Resource
    Electronic Resource
    The nuclear actin-related protein Act3p/Arp4p of Saccharomyces cerevisiae is involved in transcription regulation of stress genes (2003)
    Oxford, UK : Blackwell Publishing Ltd.
    Molecular microbiology 50 (2003), S. 0 
    Details
    ISSN: 1365-2958
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Medicine
    Notes: A mutational analysis of the essential nuclear actin-related protein of Saccharomyces cerevisiae, Act3p/Arp4p, was performed. The five residues chosen for substitution were amino acids conserved between actin and Act3p/Arp4p, the tertiary structure of which most probably resembles that of actin. Two thermosensitive (ts) mutants, a single and a double point mutant, and one lethal double point mutant were obtained. Both ts mutants were formamide-sensitive which supports a structural relatedness of Act3p/Arp4p to actin; they were also hypersensitive against hydroxyurea and ultraviolet irradiation pointing to a possible role of Act3p/Arp4p in DNA replication and repair. Their ‘suppressor of Ty’ (SPT) phenotype, ob-served with another ts mutant of Act3p/Arp4p before, suggested involvement of Act3p/Arp4p in transcription regulation. Accordingly, genome-wide expression profiling revealed misregulated transcription in a ts mutant of a number of genes, among which increased expression of various stress-responsive genes (many of them requiring Msn2p/Msn4p for induction) was the most salient result. This provides an explanation for the mutant's enhanced resistance to severe thermal and oxidative stress. Thus, Act3p/Arp4p takes an important part in the repression of stress-induced genes under non-stress conditions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2958.2003.03759.x
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  • 6
    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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  • 7
    Electronic Resource
    Electronic Resource
    A common drug-responsive element mediates the upregulation of the Candida albicans ABC transporters CDR1 and CDR2, two genes involved in antifungal drug resistance (2002)
    Oxford, UK : Blackwell Science Ltd.
    Molecular microbiology 43 (2002), S. 0 
    Details
    ISSN: 1365-2958
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Medicine
    Notes: Upregulation of the ATP-binding cassette (ABC) transporter genes CDR1 and CDR2 (Candidadrug resistance 1 and 2) is a common mechanism observed in Candida albicans clinical isolates developing resistance to the class of azole antifungals. In this work, the regulatory elements of both genes were delimited using a reporter system in an azole-susceptible strain exposed to oestradiol, which allows transient induction of these genes. We found two regulatory elements in the CDR1 promoter: one responsible for basal expression (basal expression element; BEE) and the other required for oestradiol responsiveness (drug-responsive element I; DREI). In the CDR2 promoter, a single regulatory element responsible for oestradiol responsiveness (DREII) was detected. Both DREs shared a consensus of 21 bp with the sequence 5′-CGGA(A/T)ATCGGATATTTTTTTT-3′ having no equivalent to known eukaryotic regulatory sequence. Consistent with this finding, two other C. albicans genes identified by a search for the presence of DRE in the C. albicans genome sequence database were responsive to oestradiol. Finally, the regulatory elements found in CDR1 and CDR2 were also functional in an azole-resistant strain with constitutive high expression of both transporters. These results suggest that, although CDR1 and CDR2 upregulation can be obtained by transient drug-induced and constitutive upregulation, these two processes converge to the same regulatory elements and probably mobilize the same trans-acting factors.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2958.2002.02814.x
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  • 8
    Electronic Resource
    Electronic Resource
    The negative regulator Opi1 of phospholipid biosynthesis in yeast contacts the pleiotropic repressor Sin3 and the transcriptional activator Ino2 (2001)
    Oxford, UK : Blackwell Science Ltd
    Molecular microbiology 41 (2001), S. 0 
    Details
    ISSN: 1365-2958
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Medicine
    Notes: Structural genes of phospholipid biosynthesis in the yeast Saccharomyces cerevisiae are transcriptionally co-regulated by ICRE (inositol/choline-responsive element) promoter motifs. Gene activation by an ICRE is mediated by binding of the Ino2/Ino4 transcription factor, whereas repression in the presence of high concentrations of inositol and choline (IC) requires an intact Opi1 repressor. However, the mechanism of specific repression and the functional interplay among these regulators remained unclear from previous work. Using in vivo as well as in vitro interaction assays, we show binding of the pleiotropic repressor Sin3 to the pathway-specific regulator Opi1. The paired amphipathic helix 1 (PAH1) within Sin3 and OSID (Opi1–Sin3 interaction domain) in the N-terminus of Opi1 were mapped as contact sites. The regulatory significance of the Opi1–Sin3 interaction was shown by the obvious deregulation of an ICRE-dependent reporter gene in a sin3 mutant. Opi1 also interacts with a newly identified functional domain of the transcriptional activator Ino2 (RID, repressor interaction domain). These results define the molecular composition of the transcription complex mediating control of ICRE-dependent genes and allow a hypothesis on the flow of regulatory information in response to phospholipid precursors.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2958.2001.02495.x
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  • 9
    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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  • 10
    Electronic Resource
    Electronic Resource
    TFIIB and subunits of the SAGA complex are involved in transcriptional activation of phospholipid biosynthetic genes by the regulatory protein Ino2 in the yeast Saccharomyces cerevisiae (2003)
    Oxford, UK : Blackwell Science Ltd
    Molecular microbiology 48 (2003), S. 0 
    Details
    ISSN: 1365-2958
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Medicine
    Notes: In the yeast Saccharomyces cerevisiae, genes involved in phospholipid biosynthesis are activated by ICRE (inositol/choline-responsive element) up-stream motifs and the corresponding heterodimeric binding factor, Ino2 + Ino4. Both Ino2 and Ino4 contain basic helix–loop–helix (bHLH) domains required for ICRE binding, whereas transcriptional activation is mediated exclusively by Ino2. In this work, we describe a molecular analysis of functional minimal domains responsible for specific DNA recognition and transcriptional activation (TAD1 and TAD2). We also define the importance of individual amino acids within the more important activation domain TAD1. Random mutagenesis at five amino acid positions showed the importance of acidic as well as hydrophobic residues within this minimal TAD. We also investigated the contribution of known general transcription factors and co-activators for Ino2-dependent gene activation. Although an ada5 single mutant and a gal11 paf1 double mutant were severely affected, a partial reduction in activation was found for gcn5 and srb2. Ino2 interacts physically with the basal transcription factor Sua7 (TFIIB of yeast). Interestingly, interaction is mediated by the HLH dimerization domain of Ino2 and by two non-overlapping domains within Sua7. Thus, Sua7 may compete with Ino4 for binding to the Ino2 activator, creating the possibility of positive and negative influence of Sua7 on ICRE-dependent gene expression.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2958.2003.03501.x
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