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2015 ; 12
(110
): 0499
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Magnetic particle-mediated magnetoreception
#MMPMID26333810
Shaw J
; Boyd A
; House M
; Woodward R
; Mathes F
; Cowin G
; Saunders M
; Baer B
J R Soc Interface
2015[Sep]; 12
(110
): 0499
PMID26333810
show ga
Behavioural studies underpin the weight of experimental evidence for the
existence of a magnetic sense in animals. In contrast, studies aimed at
understanding the mechanistic basis of magnetoreception by determining the
anatomical location, structure and function of sensory cells have been
inconclusive. In this review, studies attempting to demonstrate the existence of
a magnetoreceptor based on the principles of the magnetite hypothesis are
examined. Specific attention is given to the range of techniques, and main animal
model systems that have been used in the search for magnetite particulates.
Anatomical location/cell rarity and composition are identified as two key
obstacles that must be addressed in order to make progress in locating and
characterizing a magnetite-based magnetoreceptor cell. Avenues for further study
are suggested, including the need for novel experimental, correlative, multimodal
and multidisciplinary approaches. The aim of this review is to inspire new
efforts towards understanding the cellular basis of magnetoreception in animals,
which will in turn inform a new era of behavioural research based on first
principles.
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