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Science

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Institución detectada Período Navegá Descargá Solicitá
No detectada desde mar. 1997 / hasta dic. 2023 Science Journals

Información

Tipo de recurso:

revistas

ISSN impreso

0036-8075

ISSN electrónico

1095-9203

Editor responsable

American Association for the Advancement of Science (AAAS)

País de edición

Estados Unidos

Fecha de publicación

Cobertura temática

Tabla de contenidos

Small Interannual Variability of Global Atmospheric Hydroxyl

S. A. Montzka; M. Krol; E. Dlugokencky; B. Hall; P. Jöckel; J. Lelieveld

<jats:p>The abundance of the highly reactive hydroxyl radical is well buffered against perturbations.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 67-69

The Role of Ammonites in the Mesozoic Marine Food Web Revealed by Jaw Preservation

Isabelle Kruta; Neil Landman; Isabelle Rouget; Fabrizio Cecca; Paul Tafforeau

<jats:p>Analysis of x-ray microtomographic reconstructions of ammonite fossils reveal their feeding habits.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 70-72

Developmental Plasticity in Sexual Roles of Butterfly Species Drives Mutual Sexual Ornamentation

Kathleen L. Prudic; Cheonha Jeon; Hui Cao; Antónia Monteiro

<jats:p>A butterfly switches sexual signaling and mate preferences depending on environmental temperatures during development.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 73-75

Vernalization-Mediated Epigenetic Silencing by a Long Intronic Noncoding RNA

Jae Bok Heo; Sibum Sung

<jats:p>Spring flowering enabled by a winter chill is regulated by interplay between protein-coding and noncoding RNA transcripts.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 76-79

Rotational Movement of the Formin mDia1 Along the Double Helical Strand of an Actin Filament

Hiroaki Mizuno; Chiharu Higashida; Yunfeng Yuan; Toshimasa Ishizaki; Shuh Narumiya; Naoki Watanabe

<jats:p>Visualization of formin protein rotating along an actin filament gives insight into how it promotes actin assembly.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 80-83

Spontaneous Cortical Activity Reveals Hallmarks of an Optimal Internal Model of the Environment

Pietro Berkes; Gergő Orbán; Máté Lengyel; József Fiser

<jats:p>Internal models of the environment optimize as the brain develops.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 83-87

Electrical Synapses Control Hippocampal Contributions to Fear Learning and Memory

Stephanie Bissiere; Moriel Zelikowsky; Ravikumar Ponnusamy; Nathan S. Jacobs; Hugh T. Blair; Michael S. Fanselow

<jats:p>Neuronal gap-junction channels containing connexin 36 proteins participate in consolidation of fear memories.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 87-91

Structure of Precursor-Bound NifEN: A Nitrogenase FeMo Cofactor Maturase/Insertase

Jens T. Kaiser; Yilin Hu; Jared A. Wiig; Douglas C. Rees; Markus W. Ribbe

<jats:p>A metalloprotein structure involved in nitrogen fixation offers insight into metal-cluster insertion in nitrogenase.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 91-94

LIFE SCIENCE TECHNOLOGIES: Glycoproteomics: The Sweet Smell Of We're-Getting-There

Jeffrey M. Perkel

<jats:p>Quick: What's the most abundant posttranslational modification on eukaryotic proteins? It's not phosphorylation. Some 50 percent of eukaryotic proteins, and not just those on the cell surface, are dusted with sugars like some molecular pastry. Those glycan modifications mediate inter-molecular and intercellular binding events from fertility to immunity. Yet for years, researchers in the sugar and protein communities have operated independently of one another, cataloging sugars free of protein, or proteins free of sugar, and ne'er the twain shall meet. Today, though, the two communities are bridging their technical divide. "We are in a transition now," says James Paulson, principal investigator of the Consortium for Functional Glycomics. Glycoproteomics, he says, "is becoming mainstream."</jats:p>

Palabras clave: Multidisciplinary.

Pp. 95-95

Science Podcast

Robert Frederick (eds.)

<jats:p> The show includes sexual ornamentation in butterflies, early human migration out of Africa, your letters to <jats:italic>Science</jats:italic> , and more. </jats:p>

Palabras clave: Multidisciplinary.

Pp. 98-98