Results 281 to 290 of about 357,386 (324)
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Regulation of developmental transitions
Current Opinion in Plant Biology, 2005Plants undergo a series of profound developmental changes throughout their lifetimes in response to both external environmental factors and internal intrinsic ones. When these changes are abrupt and dramatic, the process is referred to as phase change.
George, Chuck, Sarah, Hake
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Flavonoids as developmental regulators
Current Opinion in Plant Biology, 2005Flavonoids, usually regarded as dispensable phytochemicals derived from plant secondary metabolism, play important roles in the biology of plants by affecting several developmental processes. Bioactive flavonoids also signal to microbes, serve as allelochemicals and are important nutraceuticals in the animal diet.
Loverine P, Taylor, Erich, Grotewold
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Developmental regulation of TCR efficiency
European Journal of Immunology, 2000Unresponsiveness of mature T cells to the same self-peptide/self-MHC molecule complexes with which thymocytes have reacted during positive selection results from an increase of activation thresholds during maturation. The molecular events accounting for this increase are still unknown.
N, Dautigny, B, Lucas
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Developmental regulators in Aspergillus fumigatus
Journal of Microbiology, 2016The filamentous fungus Aspergillus fumigatus is the most prevalent airborne fungal pathogen causing severe and usually fatal invasive aspergillosis in immunocompromised patients. This fungus produces a large number of small hydrophobic asexual spores called conidia as the primary means of reproduction, cell survival, propagation, and infectivity.
Hee-Soo, Park, Jae-Hyuk, Yu
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Developmental regulation of somatic imprints
Differentiation, 2011Genomic imprinting is an epigenetic phenomenon guiding the allele-specific marking of parental alleles. Genes regulated by imprinting are only or preferentially expressed from a single allele during development and in the adult, and the transcriptional activity of each allele is dictated by its parental origin.
Rosalind M, John, Louis, Lefebvre
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Developmental regulation of microbial biofilms
Current Opinion in Biotechnology, 2002Sophisticated molecular and microscopic methods used to study biofilm formation are rapidly broadening our understanding of surface-attached microbial communities in a wide variety of organisms. Regulatory mechanisms involved in the attachment and subsequent development of mature biofilms are being elucidated.
Hall-Stoodley, Luanne, Stoodley, Paul
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Developmental Regulation of Elastin Synthesis
Connective Tissue Research, 1981The regulation of elastin production has been evaluated and compared in two systems in the developing sheep: nuchal ligament and lung. Absolute rates of production in explant culture were estimated by immunoprecipitation of newly synthesized elastin and determination of precursor pool specific activities.
J M, Davidson +3 more
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Clocks regulating developmental processes
Current Opinion in Neurobiology, 1998Developmental clocks are hypothetical embryonic time-measuring devices--some are run by oscillators, whereas others depend on rate-limiting processes. Their existence has been deduced from recent studies of the timing of the midblastula transition, the opening of the Hox cluster during organogenesis, and oligodendrocyte progenitor differentiation ...
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