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Science
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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
1880-
Cobertura temática
Tabla de contenidos
Large-scale mutation in the evolution of a gene complex for cryptic coloration
Romain Villoutreix
; Clarissa F. de Carvalho; Víctor Soria-Carrasco; Dorothea Lindtke; Marisol De-la-Mora; Moritz Muschick; Jeffrey L. Feder; Thomas L. Parchman; Zach Gompert; Patrik Nosil
<jats:p>The types of mutations affecting adaptation in the wild are only beginning to be understood. In particular, whether structural changes shape adaptation by suppressing recombination or by creating new mutations is unresolved. Here, we show that multiple linked but recombining loci underlie cryptic color morphs of <jats:italic>Timema chumash</jats:italic> stick insects. In a related species, these loci are found in a region of suppressed recombination, forming a supergene. However, in seven species of <jats:italic>Timema</jats:italic>, we found that a megabase-size “supermutation” has deleted color loci in green morphs. Moreover, we found that balancing selection likely contributes more to maintaining this mutation than does introgression. Our results show how suppressed recombination and large-scale mutation can help to package gene complexes into discrete units of diversity such as morphs, ecotypes, or species.</jats:p>
Palabras clave: Multidisciplinary.
Pp. 460-466
Cell growth dilutes the cell cycle inhibitor Rb to trigger cell division
Evgeny Zatulovskiy; Shuyuan Zhang; Daniel F. Berenson; Benjamin R. Topacio; Jan M. Skotheim
Palabras clave: Multidisciplinary.
Pp. 466-471
Working through grief
Anna Nordseth
Palabras clave: Multidisciplinary.
Pp. 474-474
This tiny camera can show the world from a bug’s point of view
Meagan Cantwell
Palabras clave: Multidisciplinary.
Pp. No disponible
From rocks to icebergs, the natural world tends to break into cubes
Adam Mann
Palabras clave: Multidisciplinary.
Pp. No disponible
Scientists pull living microbes, possibly 100 million years old, from beneath the sea
Elizabeth Pennisi
Palabras clave: Multidisciplinary.
Pp. No disponible
Can the Census Bureau actually meet Trump’s demand to identify noncitizens?
Jeffrey Mervis
Palabras clave: Multidisciplinary.
Pp. No disponible
Siberia’s ‘gateway to the underworld’ grows as record heat wave thaws permafrost
Richard Stone
Palabras clave: Multidisciplinary.
Pp. No disponible
‘Vaccine nationalism’ threatens global plan to distribute COVID-19 shots fairly
Kai Kupferschmidt
Palabras clave: Multidisciplinary.
Pp. No disponible