Charlotte Helfrich‐Förster

Latitudinal Clines in Diapause Onset and Circadian Clock Characteristics in Drosophila littoralis and Drosophila montana

Giulia Manoli, Pekka Lankinen, Anneli Hoikkala, Charlotte Helfrich‐Förster

Drosophila littoralis and Drosophila montana are two widespread species of the virilis group that occur at latitudes between approximately 40°N and 70°N. To survive the winter, they undergo a photoperiodically controlled diapause triggered by the decreasing photoperiod in late summer to autumn. …

de, fi (code pays fourni par la source)

A functional clock in only two dorsal clock neurons is sufficient to restore the basal circadian activity pattern of Drosophila melanogaster

Nils Reinhard, Enrico Bertolini, Manabu Sekiguchi, Dirk Rieger et autres

Circadian clocks form complex networks to orchestrate the behavior and physiology of animals. Elucidating the organization of these clock networks is critical to understanding how circadian clocks achieve robust timing. Clock neurons have been best characterized in the model organism Drosophila melanogaster …

de, jp, us (code pays fourni par la source)

A short photoperiod alters brain metabolism and cold resistance in Drosophila melanogaster

Madhura Sapre, Anna Hovhanyan, Werner Schmitz, Peter Deppisch et autres

To survive, animals need to prepare for winter in advance, and this process begins in the brain in response to the shortening of the photoperiod in fall. Here, we demonstrate that exposing adult flies for just 14 days to a short photoperiod …

de (code pays fourni par la source)

Circadian regulation of the neuroendocrine system

Christian Wegener, Charlotte Helfrich‐Förster, Meet Zandawala

de, us (code pays fourni par la source)

Synchronization of women’s menstruation with the Moon has decreased but remains detectable when gravitational pull is strong

Charlotte Helfrich‐Förster, Esther D. Domenie, Oliver Mitesser, Thomas Hovestadt et autres

To increase reproductive success, many species synchronize reproductive behavior with a particular phase of the lunar cycle. The human menstrual cycle has also a period close to that of the lunar cycle, and recent studies suggest a temporary synchrony between menstrual and …

de, it, us, gb (code pays fourni par la source)

RHODOPSIN 7: An ancestral non-canonical photoreceptor shaping light-responsive behavior

Valentina Kirsch, Nils Reinhard, Heiko Hartlieb, Annika Mohr et autres

1 Abstract Animals rely on light not only for vision but also to adapt behavior to their environment through non-image-forming pathways. In Drosophila , most rhodopsins mediate retinal image formation, but RHODOPSIN 7 (RH7) is widely expressed in the brain and optic …

de (code pays fourni par la source)

A short photoperiod alters brain metabolism and cold resistance in Drosophila melanogaster

Madhura Sapre, Anna Hovhanyan, Werner Schmitz, Peter Deppisch et autres

de (code pays fourni par la source)

A circadian clock drives behavioral activity in Antarctic krill (Euphausia superba) and provides a potential mechanism for seasonal timing

Lukas Hüppe, Dominik Bahlburg, Ryan Driscoll, Charlotte Helfrich‐Förster et autres

Antarctic krill is a species with fundamental importance for the Southern Ocean ecosystem. Their large biomass and synchronized movements, like diel vertical migration (DVM), significantly impact ecosystem structure and the biological carbon pump. Despite decades of research, the mechanistic basis of DVM …

de, gb (code pays fourni par la source)

Author response: A circadian clock drives behavioral activity in Antarctic krill (Euphausia superba) and provides a potential mechanism for seasonal timing

Lukas Hüppe, Dominik Bahlburg, Ryan Driscoll, Charlotte Helfrich‐Förster et autres

The Southern Ocean is home to whales, seals, seabirds and other iconic wildlife. All of these animals depend either directly, or indirectly, on a small marine prey species known as Antarctic krill, which thrives in the harsh conditions of the Southern Ocean. …

de, gb (code pays fourni par la source)

“A circadian clock drives behavioral activity in Antarctic krill (Euphausia superba) and provides a potential mechanism for seasonal timing”

Lukas Hüppe, Dominik Bahlburg, Ryan Driscoll, Charlotte Helfrich‐Förster et autres

Abstract Antarctic krill is a species with fundamental importance for the Southern Ocean ecosystem. Their large biomass and synchronized movements, like diel vertical migration (DVM), significantly impact ecosystem structure and the biological carbon pump. Despite decades of research, the mechanistic basis of …

de, gb (code pays fourni par la source)

Author response: “A circadian clock drives behavioral activity in Antarctic krill (Euphausia superba) and provides a potential mechanism for seasonal timing”

Lukas Hüppe, Dominik Bahlburg, Ryan Driscoll, Charlotte Helfrich‐Förster et autres

Antarctic krill is a species with fundamental importance for the Southern Ocean ecosystem. Their large biomass and synchronized movements, like diel vertical migration (DVM), significantly impact ecosystem structure and the biological carbon pump. Despite decades of research, the mechanistic basis of DVM …

Career perspective

Charlotte Helfrich‐Förster

In this career perspective article, the author describes her long pathway to a professorship in Germany.

de (code pays fourni par la source)