Rachel Muheim
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View article: Effects of low-level RF fields reveal complex pattern of magnetic input to the avian magnetic compass
Effects of low-level RF fields reveal complex pattern of magnetic input to the avian magnetic compass Open
The avian magnetic compass can be disrupted by weak narrow-band and broadband radio-frequency (RF) fields in the lower MHz range. However, it is unclear whether disruption of the magnetic compass results from the elimination of the percept…
View article: Effects of low-level RF fields reveal complex pattern of magnetic input to the avian magnetic compass
Effects of low-level RF fields reveal complex pattern of magnetic input to the avian magnetic compass Open
The avian magnetic compass can be disrupted by weak narrow-band and broadband radio-frequency (RF) fields in the lower MHz range. However, it is unclear whether disruption of the magnetic compass results from the elimination of the percept…
View article: Bird migration: Clock and compass facilitate hemisphere switching
Bird migration: Clock and compass facilitate hemisphere switching Open
View article: Cryptochrome expression in avian UV cones: revisiting the role of CRY1 as magnetoreceptor
Cryptochrome expression in avian UV cones: revisiting the role of CRY1 as magnetoreceptor Open
View article: Cryptochrome Expression in Avian UV Cones: Revisiting the Role of Cry1 As Magnetoreceptor
Cryptochrome Expression in Avian UV Cones: Revisiting the Role of Cry1 As Magnetoreceptor Open
Cryptochromes (Cry) have been proposed as putative magnetoreceptors in vertebrates. Localisation of Cry1 in the UV cones in the retinas of birds suggested that it could be the candidate magnetoreceptor. However, recent findings argue again…
View article: Ectosymbionts alter spontaneous responses to the Earth’s magnetic field in a crustacean
Ectosymbionts alter spontaneous responses to the Earth’s magnetic field in a crustacean Open
View article: Immune function and blood parasite infections impact stopover ecology in passerine birds
Immune function and blood parasite infections impact stopover ecology in passerine birds Open
View article: A mimicked bacterial infection prolongs stopover duration in songbirds—but more pronounced in short‐ than long‐distance migrants
A mimicked bacterial infection prolongs stopover duration in songbirds—but more pronounced in short‐ than long‐distance migrants Open
Migration usually consists of intermittent travel and stopovers, the latter being crucially important for individuals to recover and refuel to successfully complete migration. Quantifying how sickness behaviours influence stopovers is cruc…
View article: Feasibility of sun and magnetic compass mechanisms in avian long-distance migration
Feasibility of sun and magnetic compass mechanisms in avian long-distance migration Open
View article: Expression patterns of cryptochrome genes in avian retina suggest involvement of Cry4 in light-dependent magnetoreception
Expression patterns of cryptochrome genes in avian retina suggest involvement of Cry4 in light-dependent magnetoreception Open
The light-dependent magnetic compass of birds provides orientation information about the spatial alignment of the geomagnetic field. It is proposed to be located in the avian retina, and be mediated by a light-induced, biochemical radical-…
View article: Normalized Cq values from Expression patterns of cryptochrome genes in avian retina suggest involvement of Cry4 in light-dependent magnetoreception.
Normalized Cq values from Expression patterns of cryptochrome genes in avian retina suggest involvement of Cry4 in light-dependent magnetoreception. Open
Normalized Cq values for all experiments are provided.
View article: Supplementary material from "Expression patterns of cryptochrome genes in avian retina suggest involvement of Cry4 in light-dependent magnetoreception"
Supplementary material from "Expression patterns of cryptochrome genes in avian retina suggest involvement of Cry4 in light-dependent magnetoreception" Open
The light-dependent magnetic compass of birds provides orientation information about the spatial alignment of the geomagnetic field. It is proposed to be located in the avian retina, and be mediated by a light-induced, biochemical radical-…
View article: Normalized Cq values from Expression patterns of cryptochrome genes in avian retina suggest involvement of Cry4 in light-dependent magnetoreception (cryptochrome expression in zebra finches)
Normalized Cq values from Expression patterns of cryptochrome genes in avian retina suggest involvement of Cry4 in light-dependent magnetoreception (cryptochrome expression in zebra finches) Open
Normalized Cq values for all experiments are provided.
View article: Pre-settlement coral-reef fish larvae respond to magnetic field changes during the day
Pre-settlement coral-reef fish larvae respond to magnetic field changes during the day Open
Observations of coral-reef fish larvae have revealed remarkably consistent orientation behaviour while swimming offshore, requiring large-scale orientation cues. However, the mechanisms underlying this behaviour are still being investigate…
View article: Towards a conceptual framework for explaining variation in nocturnal departure time of songbird migrants
Towards a conceptual framework for explaining variation in nocturnal departure time of songbird migrants Open
View article: A New View on an Old Debate: Type of Cue-Conflict Manipulation and Availability of Stars Can Explain the Discrepancies between Cue-Calibration Experiments with Migratory Songbirds
A New View on an Old Debate: Type of Cue-Conflict Manipulation and Availability of Stars Can Explain the Discrepancies between Cue-Calibration Experiments with Migratory Songbirds Open
Migratory birds use multiple compass systems for orientation, including a magnetic, star and sun/polarized light compass. To keep these compasses in register, birds have to regularly update them with respect to a common reference. However,…