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Disponibilidad
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

naturales

Ciencias naturales

Tabla de contenidos

doi: 10.1126/science.1208386

Traffic Jams Reduce Hydrolytic Efficiency of Cellulase on Cellulose Surface

Kiyohiko Igarashi; Takayuki Uchihashi; Anu Koivula; Masahisa Wada; Satoshi Kimura; Tetsuaki Okamoto; Merja Penttilä; Toshio Ando; Masahiro Samejima

<jats:p>High-speed atomic force microscopy tracks single-molecule dynamics of cellulose degradation into fermentable sugar molecules.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 1279-1282

doi: 10.1126/science.1208239

Isotopic Signature of N 2 O Produced by Marine Ammonia-Oxidizing Archaea

Alyson E. Santoro; Carolyn Buchwald; Matthew R. McIlvin; Karen L. Casciotti

<jats:p>Archaea may account for the majority of marine nitrous oxide emissions to the atmosphere.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 1282-1285

doi: 10.1126/science.1206594

Out of Tibet: Pliocene Woolly Rhino Suggests High-Plateau Origin of Ice Age Megaherbivores

Tao Deng; Xiaoming Wang; Mikael Fortelius; Qiang Li; Yang Wang; Zhijie J. Tseng; Gary T. Takeuchi; Joel E. Saylor; Laura K. Säilä; Guangpu Xie

<jats:p>The Tibetan Plateau acted as a cradle of adaptation to cold for Pleistocene megafauna.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 1285-1288

doi: 10.1126/science.1208742

Reconciling Food Production and Biodiversity Conservation: Land Sharing and Land Sparing Compared

Ben Phalan; Malvika Onial; Andrew Balmford; Rhys E. Green

<jats:p>Protecting the largest possible area of natural habitats while growing food on the smallest area can reconcile food production with conservation.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 1289-1291

doi: 10.1126/science.1206606

Chemical and Genetic Engineering of Selective Ion Channel–Ligand Interactions

Christopher J. Magnus; Peter H. Lee; Deniz Atasoy; Helen H. Su; Loren L. Looger; Scott M. Sternson

<jats:p>Engineered ion channels enable manipulation of cellular function by selective chemical control of ionic conductance.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 1292-1296

doi: 10.1126/science.1203690

Potential for Chemolithoautotrophy Among Ubiquitous Bacteria Lineages in the Dark Ocean

Brandon K. Swan; Manuel Martinez-Garcia; Christina M. Preston; Alexander Sczyrba; Tanja Woyke; Dominique Lamy; Thomas Reinthaler; Nicole J. Poulton; E. Dashiell P. Masland; Monica Lluesma Gomez; Michael E. Sieracki; Edward F. DeLong; Gerhard J. Herndl; Ramunas Stepanauskas

<jats:p>Bacteria isolated from a deep seawater mass seem to fix carbon using energy from the oxidation of inorganic sulfur.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 1296-1300

doi: 10.1126/science.1210597

Tet Proteins Can Convert 5-Methylcytosine to 5-Formylcytosine and 5-Carboxylcytosine

Shinsuke Ito; Li Shen; Qing Dai; Susan C. Wu; Leonard B. Collins; James A. Swenberg; Chuan He; Yi Zhang

<jats:p>Evidence for a possible route for DNA demethylation in animals is suggested.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 1300-1303

doi: 10.1126/science.1210944

Tet-Mediated Formation of 5-Carboxylcytosine and Its Excision by TDG in Mammalian DNA

Yu-Fei He; Bin-Zhong Li; Zheng Li; Peng Liu; Yang Wang; Qingyu Tang; Jianping Ding; Yingying Jia; Zhangcheng Chen; Lin Li; Yan Sun; Xiuxue Li; Qing Dai; Chun-Xiao Song; Kangling Zhang; Chuan He; Guo-Liang Xu

<jats:p>Evidence for a possible route for DNA demethylation in animals is suggested.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 1303-1307

doi: 10.1126/science.1205527

Multi-Input RNAi-Based Logic Circuit for Identification of Specific Cancer Cells

Zhen Xie; Liliana Wroblewska; Laura Prochazka; Ron Weiss; Yaakov Benenson

<jats:p>A synthetic biomolecular circuit identifies abnormal cell states by the integration of multiple endogenous microRNA inputs.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 1307-1311

doi: 10.1126/science.1208178

Epigenetic Licensing of Germline Gene Expression by Maternal RNA in C. elegans

Cheryl L. Johnson; Andrew M. Spence

<jats:p>Expression of a gene in an offspring needs an RNA (but not the protein it codes for) provided by its mother.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 1311-1314