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Science

Resumen/Descripción – provisto por la editorial

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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

Tabla de contenidos

Cassini samples an alien ocean

Carolyn Gramling

Palabras clave: Multidisciplinary.

Pp. No disponible

Give U.S. national labs freer rein, commission urges skeptical senators

Adrian Cho

Palabras clave: Multidisciplinary.

Pp. No disponible

Researchers react to China’s two-child policy move

Mara Hvistendahl

Palabras clave: Multidisciplinary.

Pp. No disponible

Study suggests unprecedented 3-week hepatitis C cure

Jon Cohen

Palabras clave: Multidisciplinary.

Pp. No disponible

Small, dim stars could still support life

Nola Taylor Redd

Palabras clave: Multidisciplinary.

Pp. No disponible

One thousand different words for water

Emily Underwood

Palabras clave: Multidisciplinary.

Pp. No disponible

Top stories: Bacteria found in space, midair ultrasonic frequencies, and parasite allergies

Alison Crawford

Palabras clave: Multidisciplinary.

Pp. No disponible

Erratum for the Report “Base triplet stepping by the Rad51/RecA family of recombinases” by J. Y. Lee, T. Terakawa, Z. Qi, J. B. Steinfeld, S. Redding, Y. Kwon, W. A. Gaines, W. Zhao, P. Sung, E. C. Greene

Palabras clave: Multidisciplinary.

Pp. No disponible

Structure of Tetrahymena telomerase reveals previously unknown subunits, functions, and interactions

Jiansen Jiang; Henry Chan; Darian D. Cash; Edward J. Miracco; Rachel R. Ogorzalek Loo; Heather E. Upton; Duilio Cascio; Reid O’Brien Johnson; Kathleen Collins; Joseph A. Loo; Z. Hong Zhou; Juli Feigon

<jats:title>Chromosome-capping enzyme complex</jats:title> <jats:p> Telomeres cap and protect the ends of our chromosomes. The telomerase complex helps maintain the telomere DNA repeat sequences. Telomerase consists of an RNA and a number of protein subunits. Jiang <jats:italic>et al.</jats:italic> used cryo–electron microscopy and x-ray crystallography to determine the structure of the <jats:italic>Tetrahymena</jats:italic> telomerase complex. The telomerase is made up of three subcomplexes, which include two previously unknown protein subunits in addition to the seven known subunits. The structures also reveal the path of the RNA component in the telomerase catalytic core. </jats:p> <jats:p> <jats:italic>Science</jats:italic> , this issue p. <jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" related-article-type="in-this-issue" xlink:href="10.1126/science.aab4070">10.1126/science.aab4070</jats:related-article> </jats:p>

Palabras clave: Multidisciplinary.

Pp. No disponible

Miocene small-bodied ape from Eurasia sheds light on hominoid evolution

David M. Alba; Sergio Almécija; Daniel DeMiguel; Josep Fortuny; Miriam Pérez de los Ríos; Marta Pina; Josep M. Robles; Salvador Moyà-Solà

<jats:title>Meet your gibbon cousin</jats:title> <jats:p> Apes are divided into two groups: larger-bodied apes, or hominoids, such as humans, chimps, and gorillas; and smaller-bodied hylobatids, such as gibbons. These two lineages are thought to have diverged rather cleanly, sharing few similarities after the emergence of crown hominoids. Alba <jats:italic>et al.</jats:italic> describe a new ape from the Miocene era that contains characteristics from both hominoids and small-bodied apes (see the Perspective by Benefit and McCrossin). Thus, early small-bodied apes may have contributed more to the evolution of the hominoid lineage than previously assumed. </jats:p> <jats:p> <jats:italic>Science</jats:italic> , this issue p. <jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" related-article-type="in-this-issue" xlink:href="10.1126/science.aab2625">10.1126/science.aab2625</jats:related-article> ; see also p. <jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" issue="6260" page="515" related-article-type="in-this-issue" vol="350" xlink:href="10.1126/science.aad0677">515</jats:related-article> </jats:p>

Palabras clave: Multidisciplinary.

Pp. No disponible