Browsing by Title Artículos de revistas

Now showing items 4948-4967 of 4968

    • Xyloglucan fucosyltransferase, an enzyme involved in plant cell wall biosynthesis 
      Perrin, Robyn M.; DeRocher, Amy E.; Bar-Peled, Maor; Zeng, Weiqing; Norambuena Morales, Lorena; Orellana, Ariel; Raikhel, Natasha V.; Keegstra, Kenneth (1999)
      Cell walls are crucial for development, signal transduction, and disease resistance in plants. Cell walls are made of cellulose, hemicelluloses, and pectins. Xyloglucan (XG), the principal load-bearing hemicellulose of ...
    • Y chromosome diversity in Aztlan descendants and its implications for the history of central Mexico 
      Gómez, Rocío; Vilar, Miguel G.; Meraz Ríos, Marco Antonio; Véliz Baeza, Miguel Ángel; Zúñiga, Gerardo; Hernández Tobías, Esther Alhelı; Figueroa Corona, María del Pilar; Owings, Amanda C.; Gaieski, Jill B.; Schurr, Theodore G. (Cell Press, 2021)
      Native Mexican populations are crucial for understanding the genetic ancestry of Aztec descendants and coexisting ethnolinguistic groups in the Valley of Mexico and elucidating the population dynamics of the prehistoric ...
    • Yaretol, a norditerpenoid from Azorella madreporica 
      Loyola, Luis Alberto; Bórquez, Jorge; Morales, Glauco; San Martín Barrientos, Aurelio; Manríquez Castro, Víctor; Boys Mardones, Daphne; Darias, José (American Chemical Society, 2002-11)
      A new norditerpenoid, yaretol (1), was isolated from the whole plant of Azorella madreporica. The structure of 1 was established by one- and two-dimensional NMR techniques and confirmed by X-ray diffraction analysis.
    • Yeast-based assay identifies novel Shh/Gli target genes in vertebrate development 
      Milla, Luis A.; Cortés, Claudio R.; Hödar Quiroga, Christian; Oñate, Maritza G.; Cambiazo Ayala, Liliana; Burgess, Shawn M.; Palma Alvarado, Verónica (BIOMED CENTRAL LTD, 2012-01-03)
      Background: The increasing number of developmental events and molecular mechanisms associated with the Hedgehog (Hh) pathway from Drosophila to vertebrates, suggest that gene regulation is crucial for diverse cellular ...
    • Young blood serum increased cellular response associated to wound healing in old rats 
      Cáceres Lluch, Mónica Andrea; Saldías, M.; Fernández, C.; Folli, V.; Cerda Arancibia, Óscar (American Society Cell Biology, 2017)
    • Zebrafish (Danio rerio) as a model for studying the genetic basis of copper toxicity, deficiency, and metabolism 
      Hernández, Pedro; Allende Connelly, Miguel (AMER SOC CLINICAL NUTRITION, 2008-09-01)
      Unicellular eukaryotes and cultured cells from several animal species were invaluable in discovering the mechanisms that govern incorporation, handling, and excretion of copper at the cellular level. However, understanding ...
    • Zebrafish as an Emerging Model Organism to Study Angiogenesis in Development and Regeneration 
      Chavez, Myra; Aedo, Geraldine; Fierro, Fernando; Allende Connelly, Miguel; Egaña, José (FRONTIERS MEDIA, 2016)
      Angiogenesis is the process through which new blood vessels are formed from preexisting ones and plays a critical role in several conditions including embryonic development, tissue repair and disease. Moreover, enhanced ...
    • Zebrafish cellular nucleic acid-binding protein: gene structure and developmental behaviour 
      Armas, Pablo; Cachero, Sebastián; Lombardo, Verónica A.; Weiner, Andrea; Allende Connelly, Miguel; Calcaterra, Nora B. (ELSEVIER, 2004-08-04)
      Here we analyse the structural organisation and expression of the zebrafish cellular nucleic acid-binding protein (zCNBP) gene and protein. The gene is organised in five exons and four introns. A noteworthy feature of the ...
    • Zebrafish cnbp Intron1 Plays a Fundamental Role in Controlling Spatiotemporal Gene Expression During Embryonic ... 
      Weiner, Andrea; Allende Connelly, Miguel; Calcaterra, Nora B. (WILEY-LISS, DIV JOHN WILEY & SONS INC, 2009-09-02)
      Cellular nucleic acid binding protein (CNBP) is a strikingly conserved zinc-finger nucleic acid chaperone required for forebrain development. Its depletion causes forebrain truncation mainly as a consequence of a reduction ...
    • Zebrafish yolk-specific not really started (nrs) gene is a vertebrate homolog of the drosophila spinster ... 
      Young B., Rodrigo; Marty, Scott; Nakano, Yoshiro; Wang, Han; Yamamoto, Daisuke; Lin, Shuo; Allende Connelly, Miguel (2002)
      By using retroviral insertional mutagenesis in zebrafish, we have identified a recessive lethal mutation in the not really started (nrs) gene. The nrs mutation disrupts a gene located in linkage group 3 that is highly ...
    • Zebrin II Expression in the Cerebellum of a Paleognathous Bird, the Chilean Tinamou (Nothoprocta perdicaria) 
      Corfield, Jeremy R.; Kolominsky, Jeffery; Marin, Gonzalo J.; Craciun, Iulia; Mulvany Robbins, Bridget E.; Iwaniuk, Andrew N.; Wylie, Douglas R. (Karger, 2015)
      Zebrin II (ZII) is a glycolytic enzyme expressed in cerebellar Purkinje cells. In both mammals and birds, ZII is expressed heterogeneously, such that there are sagittal stripes of Purkinje cells with a high ZII expression ...
    • Zinc oxide/carboxylic acid lamellar structures 
      Segovia, M.; Lemus, K.; Moreno, M.; Ana, M. A.Santa; González Moraga, Guillermo; Ballesteros, B.; Sotomayor, C.; Benavente Espinosa, Eglantina (2011)
      Hybrid organic-inorganic semiconductor nanocomposites of layered zinc oxide/carboxylic acids were fabricated. Products are pure phases with structures constituted by double-layer sheets of the inorganic component sandwiched ...
    • ZnO nucleation into trititanate nanotubes by ALD equipment techniques, a new way to functionalize layered ... 
      Moreno, Mabel; Arredondo, Miryam; Ramasse, Quentin M.; McLaren, Matthew; Stötzner, Philine; Förster, Stefan; Benavente, Eglantina; Salgado, Caterina; Devis, Sindy; Solar, Paula; Velásquez, Luis; González Moraga, Guillermo Antonio (Nature, 2021)
      In this contribution, we explore the potential of atomic layer deposition (ALD) techniques for developing new semiconductor metal oxide composites. Specifically, we investigate the functionalization of multi-wall trititanate ...
    • α-Adrenergic and 5-HT2-serotonergic effects of some β-phenylethylamines on isolated rat thoracic aorta 
      Saez, Patricio; Borges, Yolanda; Gonzalez, Ernesto; Cassels Niven, Bruce (1994)
      1. 1. 2C-H [2-(2,5-dimethoxyphenyl)ethylamine] (pD2 = 6.74), TMPEA [2-(2,4,5-trimethoxyphenyl)ethylamine] (pD2 = 5.83), 2C-D [2-(2,5-dimethoxy-4-methylphenyl)ethylamine] (pD2 = 5.06), homoveratrylamine [DMPEA, 2-(4,5-dim ...
    • α1-Adrenergic and 5-HT2-serotonergic effects of some β-alkoxy-β-phenylethylamines on isolated rat thoracic aorta 
      Torres, Milton A.; Rezende, C.; Cassels Niven, Bruce (1998)
      1. Ten racemic β-alkoxy-β-phenylethylamines were found to elicit concentration dependent contraction of the isolated rat thoracic aorta with apparent pot values in the 4.56-6.76 range. With one exception, which produces ...
    • β-Adrenoceptor blockade depresses molecular and functional plasticities in the rat neocortex 
      Flores, Osvaldo; Núñez, Héctor; Pérez, Hernán; Morgan, Carlos; Soto Moyano, Rubén; Valladares Boasi, Luis; Burgos, Héctor; Olivares, Ricardo; Hernández, Alejandro (2010)
      β-Adrenergic receptor stimulation can significantly facilitate synaptic potentiation in the hippocampus and enhance memory processes, but its effect on neocortical plastic mechanisms is less conclusive. In the present study ...
    • β-Cyclodextrin-based nanosponges functionalized with drugs and gold nanoparticles 
      Asela, Isabel; Donoso González, Orlando; Yutronic Sáez, Nicolás; Sierpe Bustamante, Rodrigo (MDPI, 2021)
      Drugs are widely used as therapeutic agents; however, they may present some limitations. To overcome some of the therapeutic disadvantages of drugs, the use of beta-cyclodextrin-based nanosponges (beta CDNS) constitutes a ...
    • β-Ionone as putative semiochemical suggested by ligand binding on an odorant-binding protein of Hylamorpha ... 
      Venthur, Herbert; Zhou, Jing-Jiang; Mutis, Ana; Ceballos, Ricardo; Mella Herrera, Rodrigo; Larama, Giovanni; Avila, Andrés; Iturriaga-Vásquez, Patricio; Faundez Parraguez, Manuel; Alvear, Marysol; Quiroz, Andrés (Wiley Blackwell, 2016)
      Currently, odorant-binding proteins (OBPs) are considered the first filter for olfactory information for insects and constitute an interesting target for pest control. Thus, an OBP (HeleOBP) from the scarab beetle Hylamorpha ...
    • γ-Cyclodextrin/alkylthiol inclusion compounds crystals as substrates for the formation and immobilization ... 
      Díaz, Maximiliano; Silva, Nataly; Yutronic Sáez, Nicolás; Peña, Eduardo; Chornik, Boris; Jara, Paul (Kluwer Academic Publishers, 2015)
      © Springer Science+Business Media Dordrecht 2014. In this work, we report the nanodecoration of microcrystals of inclusion compound (IC) of γ-cyclodextrin (γ-CD) that contain octanethiol, decanethiol and dodecanethiol. ...
    • γ-Tubulin small complex formation is essential for early zebrafish embryogenesis 
      Pouchucq, Luis; Undurraga, Cristian A.; Fuentes, Ricardo; Cornejo, Mauricio; Allende Connelly, Miguel; Monasterio Opazo, Octavio (Elsevier Ireland Ltd, 2018)
      © 2018 The centrosomal protein γ-tubulin is part of the cytoplasmic γ-tubulin small (γ-TuSCs) and large complexes (γ-TuRCs). Both, molecular and cellular evidence indicate that γ-tubulin plays a central role in microtubule ...