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Genetic consequences of domestication and refreshment on colonies of the South American fruit fly.
Insect Sci
March 2025
Centre for Nuclear Energy in Agriculture (CENA), University of São Paulo (USP), Piracicaba, São Paulo, Brazil.
For almost a decade, natural populations of the South American fruit fly have been targeted for control through Sterile Insect Technique projects. To ensure a sustainable supply of competitive sterile flies for this approach, it is essential to understand the effects of domestication when strains of this pest are initially brought into the laboratory to establish colonies as well as the changes occurring after multiple generations of adaptation to conditions used for mass rearing. Using one colony established from a wild population of the Brazil-1 morphotype (WIL) and two from laboratory colonies in Brazil known as the Piracicaba (PL) and Vacaria (VL) strains, this study evaluated genetic diversity in samples from 10 generations after domestication and maintenance under semimass rearing conditions.
View Article and Find Full Text PDFThe Gut-Brain Axis in Parkinson disease: Emerging Concepts and Therapeutic Implications.
Mov Disord Clin Pract
March 2025
Department of Clinical Medicine, Aarhus University, Aarhus, Denmark.
Background: The gut-brain axis, i.e. the bidirectional communication system between the gut and the brain, has become of central importance in Parkinson disease (PD) research over the past 20 years.
View Article and Find Full Text PDFSex-specific effects of intensity and dose of physical activity on BOLD-fMRI cerebrovascular reactivity and cerebral pulsatility.
J Cereb Blood Flow Metab
March 2025
Department of Physics, Concordia University, Montréal, Québec, Canada.
Cerebrovascular reactivity (CVR) and cerebral pulsatility (CP) are important indicators of cerebrovascular health, which are associated with physical activity (PA). While sex differences influence the impact of PA on cerebrovascular health, sex-specific effects of PA intensity and dose on CP and CVR remains unknown. This study aimed to evaluate the sex-specific effects of self-reported PA dose and intensity on CVR and CP.
View Article and Find Full Text PDFX-rays and gamma rays do not differ in their effectiveness for sterilizing pupae and adults of the mosquito Aedes aegypti (Diptera: Culicidae).
J Econ Entomol
March 2025
Department of Entomology and Nematology, University of Florida, Gainesville, FL, USA.
The sterile insect technique (SIT) is increasingly used as an alternative or supplemental tool in the integrated mosquito management toolbox to protect human health worldwide. SIT programs targeting mosquitoes such as Aedes aegypti (L.) have generally used high-activity isotopes of 60Cobalt or 137Caesium to sterilize males, however, these gamma irradiators pose substantial security challenges and are becoming more difficult and expensive to obtain and maintain.
View Article and Find Full Text PDFBiallelic null variants in C19orf44 cause a unique late onset retinal dystrophy phenotype characterized by patchy perifoveal chorioretinal atrophy.
Genet Med
March 2025
The Ruth & Bruce Rappaport Faculty of Medicine, Technion-Israel Institute of Technology, Haifa 31096, Israel. Electronic address:
Purpose: To identify the genetic cause for disease in individuals affected with inherited retinal disease (IRD), to characterize their retinal phenotype and the properties of the underlying gene.
Methods: Participants underwent a comprehensive ophthalmological evaluation, including best-corrected visual acuity, visual field testing, fundus autofluorescence, optical coherence tomography and electroretinography. Genetic analyses included exome, genome and Sanger sequencing.
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