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Dual modes of aging in mediterranean fruit fly females

Tipo de material: Artículo impreso(a) y electrónico Artículo impreso(a) y electrónico Idioma: Inglés Tema(s) en español: Recurso en línea: Formatos físicos adicionales disponibles:
  • Disponible en línea
 En: Science volumen 281, número 5379 (August, 1998), páginas 996-998Nota de acceso: Disponible para usuarios de ECOSUR con su clave de acceso Resumen:
Inglés

The life history of medflies is characterized by two physiological modes with different demographic schedules of fertility and survival: a waiting mode in which both mortality and reproduction are low and a reproductive mode in which mortality is very low at the onset of egg laying but accelerates as eggs are laid. Medflies stay in waiting mode when they are fed only sugar. When fed protein, a scarce resource in the wild, medflies switch to reproductive mode. Medflies that switch from waiting to reproductive mode survive longer than medflies kept in either mode exclusively. An understanding of the physiological shift that occurs between the waiting and reproductive modes may yield information about the fundamental processes that determine longevity.

Número de sistema: 39028
Lista(s) en las que aparece este ítem: Bibliografía DEAMP
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Artículos Biblioteca Electrónica Recursos en línea (RE) ECOSUR Recurso digital ECO400390288656
Artículos Biblioteca Tapachula Artículos Hemeroteca (AR HM) ECOSUR 001 Disponible 280721C39028-10

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The life history of medflies is characterized by two physiological modes with different demographic schedules of fertility and survival: a waiting mode in which both mortality and reproduction are low and a reproductive mode in which mortality is very low at the onset of egg laying but accelerates as eggs are laid. Medflies stay in waiting mode when they are fed only sugar. When fed protein, a scarce resource in the wild, medflies switch to reproductive mode. Medflies that switch from waiting to reproductive mode survive longer than medflies kept in either mode exclusively. An understanding of the physiological shift that occurs between the waiting and reproductive modes may yield information about the fundamental processes that determine longevity. Inglés

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