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A revision to marble burying: video analysis during the marble burying task is imperative to understanding rodent behavior.
Lab Anim (NY)
December 2024
Department of Pediatrics, Harvard Medical School, Massachusetts General Hospital, Lurie Center for Autism, Charlestown, MA, USA.
The translational value of the marble burying task (MBT) is debatable. Here we performed video analysis of behaviors during the MBT to accurately capture the details of all behaviors displayed during this task. Our results show that a count of marbles buried at the end of the task may not be a good translational correlate of the 'intentional marble burying' that the task is assumed to measure.
View Article and Find Full Text PDFSwimming through sand: using accelerometers to observe the cryptic, pre-emergence life-stage of sea turtle hatchlings.
Proc Biol Sci
October 2024
School of Biological, Earth and Environmental Sciences, University of New South Wales, Sydney, New South Wales, Australia.
Animals that hatch within a subterranean nest, such as turtle hatchlings, expend some of their limited energy reserves digging out through sand or soil to reach the surface. In sea turtles, this emergence process can take the hatchlings 3-7 days. However, we have a poor understanding of this process as it is difficult to observe what is occurring underground.
View Article and Find Full Text PDFEvolution of novel sensory organs in fish with legs.
Curr Biol
October 2024
Department of Molecular and Cellular Biology, Harvard University, Cambridge, MA 02138, USA. Electronic address:
How do animals evolve new traits? Sea robins are fish that possess specialized leg-like appendages used to "walk" along the sea floor. Here, we show that legs are bona fide sense organs that localize buried prey. Legs are covered in sensory papillae that receive dense innervation from touch-sensitive neurons, express non-canonical epithelial taste receptors, and mediate chemical sensitivity that drives predatory digging behavior.
View Article and Find Full Text PDFCeftriaxone Inhibits Conditioned Fear and Compulsive-like Repetitive Marble Digging without Central Nervous System Side Effects Typical of Diazepam-A Study on DBA2/J Mice and a High-5HT Subline of Wistar-Zagreb 5HT Rats.
Biomedicines
August 2024
Department of Pharmacology, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia.
Ceftriaxone upregulates GLT1 glutamate transporter in the brain and may have anti-CFC and anti-OCD effects. Twenty WZ-5HT rats were used to investigate the effects of ceftriaxone on obsessive-compulsive (OCD)-like behaviour in the marble-burying (MB) test, freezing behaviour in contextual fear conditioning (CFC) and expression of GLT1 protein in the hippocampus or amygdala using immunoblots. Fifteen DBA/2J mice were used in the MB test.
View Article and Find Full Text PDFA Paleopathological Find on a La Tène Horse Skeleton Discovered in Rescue Archaeological Diggings in the Area of the Olympic Pool, Alba Iulia (CX 143 Pit).
Animals (Basel)
June 2024
Faculty of Veterinary Medicine Cluj-Napoca, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, 400372 Cluj-Napoca, Romania.
The reconstruction of past life based on archaeozoology is a challenging domain that offers a range of valuable details concerning former human and animal populations. Additionally, the ancient era is a source of information for human and veterinary medicine, as well as for other biological sciences. This report highlights a pathological lesion identified during the investigation of a horse skeleton from a pit dated La Tène in Alba County (Romania).
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