A recent study identifies the neuronal and molecular underpinnings of a key ecological difference between two Drosophila species using a remarkable genetic toolbox for a non-model species.
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http://dx.doi.org/10.1016/j.cub.2020.04.059 | DOI Listing |
Sci Rep
December 2024
Department of Zoology, University of São Paulo, São Paulo, SP, Brazil.
Animals have evolved numerous mechanisms to perceive and interact with the environment that can be translated into different sensory modalities. However, the genomic and phenotypic features that support sensory functions remain enigmatic for many invertebrates, such as bivalves, an ecologically and economically important taxonomic group. No repertoire of sensory genes has been characterized in bivalves, representing a significant knowledge gap in molluscan sensory biology.
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December 2024
College of Science and Engineering, Flinders University of South Australia, Adelaide, Australia.
Well-preserved specimens of a new species of arthrodiran placoderm, sp. nov. (Middle Devonian of Victoria, Australia), reveals previously unknown information on the dermal skeleton, body-shape and dentition of the wide-spread genus .
View Article and Find Full Text PDFPLoS One
December 2024
Pediatric Clinical Research Center "Invernizzi", Department of Biomedical and Clinical Sciences, University of Milan, Milan, Italy.
Background: Candidate Phyla Radiation (CPR) is a large monophyletic group encompassing about 25% of bacterial diversity. Among CPR, "Candidatus Saccharibacteria" is one of the most clinically relevant phyla. Indeed, it is enriched in the oral microbiota of subjects suffering from immune-mediated disorders and it has been found to have immunomodulatory activities.
View Article and Find Full Text PDFBrain Res
December 2024
Department of Radiology, Zhongnan Hospital of Wuhan University, Wuhan 430071, China. Electronic address:
The corpus callosum (CC) is the largest white matter fiber bundle connecting the two hemispheres, facilitating interhemispheric integration and hemispheric specialization. Neuroimaging studies have identified the CC as a marker for aging and various neuropsychiatric disorders. However, studies focusing on high-resolution imaging and detailed lifespan characterizations of CC morphology and connectivity are still limited, highlighting the need for further investigation.
View Article and Find Full Text PDFZoology (Jena)
December 2024
Department of Biodiversity, Ecology and Evolution, Complutense University of Madrid, Madrid, Spain.
The transition between aquatic and terrestrial habitats leads to extreme structural changes in sensorial systems. Olfactory receptors (OR) are involved in the detection of odorant molecules both in water and on land. Therefore, ORs are affected by evolutionary habitat transitions experienced by organisms.
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