M. Castellini results 17
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Photoreceptor outer segments are surrounded by a carbohydrate-rich matrix, the interphotoreceptor matrix, necessary for physiological retinal function. Few roles for molecules characterizing the interphotoreceptor matrix have been clearly defined. Recent studies have found the presence of nonsense mutations in the interphotoreceptor matrix proteoglycan 2 ( IMPG2) gene in patients affected by retinal dystrophies. IMPG2 encodes...
Abnormalities in flatfishes of the south‐west Atlantic OceanNARA Subscribed
Five adult paralichthyid specimens with various kinds of abnormalities are reported from the south‐west Atlantic Ocean. These abnormal flatfish specimens represent the first records of wholly ambicoloured Paralichthys orbignyanus specimens having a deep notch between the eye and dorsal fin and a partially albinistic specimen having skeletal deformities and only the second record of an almost totally ambicoloured specimen. We a...
Dietary and Seasonal Influences on Blood Chemistry and Hematology in Captive Harbor SealsNARA Subscribed
It has become increasingly important to understand the relationship between dietary intake and blood chemistry and hematological profiles in pinniped populations, especially where nutritional stress has been implicated in population declines. Blood chemistry and hematology reference ranges have been commonly reported for both free‐ranging and captive harbor seals, but seasonal and dietary fluctuations are limited to only a few...
Dive Data from Satellite Tags and Time‐depth Recorders: A Comparison in Weddell Seal PupsNARA Subscribed
A bstract The diving behavior of juvenile Weddell seals, Leptonychotes weddellii , was monitored simultaneously with time‐depth recorders (TDRs) and satellitelinked time‐depth recorders (SLTDRs). Recovered TDRs provided a complete record of the depth and duration of all dives, while data received from SLTDR tags via the ARGOS satellite system were compressed into the number of dives in each of six depth or duration bins. The d...
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