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  • 1
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    Phylogeny and taxonomic revision of the Planistromellaceae including its coelomycetous anamorphs: contributions towards a monograph of the genus Kellermania (2012)
    In:  Persoonia - Molecular Phylogeny and Evolution of Fungi vol. 29 no. 1, pp. 11-28
    Details
    Publication Date: 2024-01-12
    Description: The core species of the family Planistromellaceae are included in the teleomorphic genera Planistroma and Planistromella and the connected anamorphic, coelomycetous genera Alpakesa, Kellermania, and Piptarthron.\nThese genera have been defined primarily on the basis of ascospore septation or number of conidial appendages.\nDue to a lack of DNA sequence data, phylogenetic placement of these genera within the Dothideomycetes, evaluation of monophyly, and questions about generic boundaries could not be adequately addressed in the past. Isolates of nearly all of the known species in these genera were studied genetically and morphologically. DNA sequence data were generated for the nSSU, ITS, nLSU, and RPB1 markers and analysed phylogenetically. These results placed the Planistromellaceae, herein recognised as a distinct family, in an unresolved position relative to other genera within the order Botryosphaeriales. Species representing the core genera of the Planistromellaceae formed a clade and evaluation of its topology revealed that previous morphology-based definitions of genera resulted in an artificial classification system. Alpakesa, Kellermania, Piptarthron, Planistroma, and Planistromella are herein recognised as belonging to the single genus Kellermania. The following new combinations are proposed: Kellermania crassispora, K. dasylirionis, K. macrospora, K. plurilocularis, and K. unilocularis. Five new species are described, namely K. confusa, K. dasylirionicola, K. micranthae, K. ramaleyae, and K. rostratae. Descriptions of species in vitro and a key to species known from culture are provided.
    Keywords: Agavaceae ; Ascomycota ; Asparagaceae ; Botryosphaeriaceae ; Botryosphaeriales ; coelomycetes ; Dothideomycetes ; molecular phylogeny ; Planistromellaceae ; Septoplaca ; taxonomy
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
    Format: application/pdf
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  • 2
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    Differentiation stage-specific inhibition of the Raf-MEK-ERK pathway by Akt (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-11-27
    Description: Extracellular signals often result in simultaneous activation of both the Raf-MEK-ERK and PI3K-Akt pathways (where ERK is extracellular-regulated kinase, MEK is mitogen-activated protein kinase or ERK kinase, and PI3K is phosphatidylinositol 3-kinase). However, these two signaling pathways were shown to exert opposing effects on muscle cell hypertrophy. Furthermore, the PI3K-Akt pathway was shown to inhibit the Raf-MEK-ERK pathway; this cross-regulation depended on the differentiation state of the cell: Akt activation inhibited the Raf-MEK-ERK pathway in differentiated myotubes, but not in their myoblast precursors. The stage-specific inhibitory action of Akt correlated with its stage-specific ability to form a complex with Raf, suggesting the existence of differentially expressed mediators of an inhibitory Akt-Raf complex.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rommel, C -- Clarke, B A -- Zimmermann, S -- Nunez, L -- Rossman, R -- Reid, K -- Moelling, K -- Yancopoulos, G D -- Glass, D J -- New York, N.Y. -- Science. 1999 Nov 26;286(5445):1738-41.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Regeneron Pharmaceuticals, 777 Old Saw Mill River Road, Tarrytown, NY 10591, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10576741" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Differentiation ; Cell Line ; Cyclin-Dependent Kinase Inhibitor p21 ; Cyclins/genetics ; Enzyme Activation ; Enzyme Inhibitors/pharmacology ; Flavonoids/pharmacology ; Insulin-Like Growth Factor I/pharmacology ; MAP Kinase Signaling System/drug effects ; Mice ; Mitogen-Activated Protein Kinases/*antagonists & inhibitors/metabolism ; Muscle, Skeletal/*cytology/*metabolism ; Myogenin/genetics ; Phenotype ; Phosphatidylinositol 3-Kinases/metabolism ; Phosphorylation ; Protein-Serine-Threonine Kinases/*metabolism ; Proto-Oncogene Proteins/*metabolism ; Proto-Oncogene Proteins c-akt ; Proto-Oncogene Proteins c-raf/*antagonists & inhibitors/metabolism ; Signal Transduction ; Transfection ; Transgenes
    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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  • 3
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    Magnetic resonance elastography by direct visualization of propagating acoustic strain waves (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-09-29
    Description: A nuclear magnetic resonance imaging (MRI) method is presented for quantitatively mapping the physical response of a material to harmonic mechanical excitation. The resulting images allow calculation of regional mechanical properties. Measurements of shear modulus obtained with the MRI technique in gel materials correlate with independent measurements of static shear modulus. The results indicate that displacement patterns corresponding to cyclic displacements smaller than 200 nanometers can be measured. The findings suggest the feasibility of a medical imaging technique for delineating elasticity and other mechanical properties of tissue.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Muthupillai, R -- Lomas, D J -- Rossman, P J -- Greenleaf, J F -- Manduca, A -- Ehman, R L -- CA51124/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1995 Sep 29;269(5232):1854-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Mayo Clinic and Foundation, Rochester, MN 55905, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7569924" target="_blank"〉PubMed〈/a〉
    Keywords: Acoustic Stimulation ; Animals ; Biomechanical Phenomena ; Elasticity ; Gels ; Kidney/*anatomy & histology/physiology ; Kidney Cortex/anatomy & histology/physiology ; Kidney Medulla/anatomy & histology/physiology ; Magnetic Resonance Imaging/*methods ; Magnetic Resonance Spectroscopy ; Mathematics ; Mice ; Sepharose ; Stress, Mechanical
    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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