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  • Bayesian networks  (1)
  • DNA Transposable Elements  (1)
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    Electronic Resource
    Electronic Resource
    Application of Bayesian Network Learning Methods to Waste Water Treatment Plants (2000)
    Springer
    Applied intelligence 13 (2000), S. 19-40 
    Details
    ISSN: 1573-7497
    Keywords: Bayesian networks ; machine learning ; waste water treatment plants
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science
    Notes: Abstract Bayesian Networks have been proposed as an alternative to rule-based systems in domains with uncertainty. Applications in monitoring and control can benefit from this form of knowledge representation. Following the work of Chong and Walley, we explore the possibilities of Bayesian Networks in the Waste Water Treatment Plants (WWTP) monitoring and control domain. We show the advantages of modelling knowledge in such a domain by means of Bayesian networks, put forth new methods for knowledge acquisition, describe their applications to a real waste water treatment plant and comment on the results. We also show how a Bayesian Network learning environment was used in the process and which characteristics of data in the domain suggested new ways of representing knowledge in network form but with uncertainty representations formalisms other than probability. The results of applying a possibilistic extension of current learning methods are also shown and compared.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1008375228885
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    RopGAP4-dependent Rop GTPase rheostat control of Arabidopsis oxygen deprivation tolerance (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-06-18
    Description: Transient soil flooding limits cellular oxygen to roots and reduces crop yield. Plant response to oxygen deprivation involves increased expression of the alcohol dehydrogenase gene (ADH) and ethanolic fermentation. Disruption of the Arabidopsis gene that encodes Rop (RHO-like small G protein of plants) guanosine triphosphatase (GTPase) activating protein 4 (ROPGAP4), a Rop deactivator, elevates ADH expression in response to oxygen deprivation but decreases tolerance to stress. Rop-dependent production of hydrogen peroxide via a diphenylene iodonium chloride-sensitive calcium-dependent reduced nicotinamide adenine dinucleotide phosphate (NADPH) oxidase is necessary for induction of both ADH and RopGAP4 expression. Tolerance to oxygen deprivation requires Rop activation and RopGAP4-dependent negative feedback regulation. This Rop signal transduction rheostat balances the ability to increase ethanolic fermentation with survival.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Baxter-Burrell, Airica -- Yang, Zhenbiao -- Springer, Patricia S -- Bailey-Serres, Julia -- New York, N.Y. -- Science. 2002 Jun 14;296(5575):2026-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Plant Cell Biology, Department of Botany and Plant Sciences, University of California, Riverside, CA 92521, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12065837" target="_blank"〉PubMed〈/a〉
    Keywords: Alcohol Dehydrogenase/*genetics/metabolism ; Arabidopsis/genetics/*metabolism ; Arabidopsis Proteins/genetics/*metabolism ; Caffeine/pharmacology ; Calcium/metabolism ; Cytosol/metabolism ; DNA Transposable Elements ; Feedback, Physiological ; Gene Expression Regulation, Plant ; Guanosine Triphosphate/metabolism ; Hydrogen Peroxide/metabolism ; NADPH Oxidase/metabolism ; Onium Compounds/pharmacology ; Oxidative Stress ; Oxygen/*physiology ; RNA, Messenger/genetics/metabolism ; RNA, Plant/genetics/metabolism ; Second Messenger Systems ; *Signal Transduction ; Transcription, Genetic ; rho GTP-Binding Proteins/*metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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