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Dynamics of Israeli acute paralysis virus in the red imported fire ant (Solenopsis invicta Buren) colonies.
J Invertebr Pathol
March 2025
Delta Research and Extension Center, Mississippi State University, Stoneville, MS 38776, USA. Electronic address:
The red imported fire ant, Solenopsis invicta Buren, is one of the most significant pest ants in the southern United States, frequently found in honey bee colonies and their surrounding areas. While fire ants scavenge on dead bees and may function as secondary hosts or reservoirs for several honey bee-associated viruses, evidence of viral dynamics and persistence in fire ant colonies has been inconclusive. In this study, we conducted a series of experiments to test the possibility of food-borne virus transmission i.
View Article and Find Full Text PDFEffects of glyphosate, antibiotics, and an anticoccidial drug on pancreatic gene expression and blood physiology in broilers.
J Zhejiang Univ Sci B
February 2025
Federal State Budgetary Educational Institution of Higher Education "St. Petersburg State Agrarian University," Pushkin, St. Petersburg 196605, Russia.
Drugs and pesticide residues in broiler feed can compromise the therapeutic and production benefits of antibiotic (ANT) application and affect gene expression. In this study, we analyzed the expression of 13 key pancreatic genes and blood physiology parameters after administering one maximum residue limit of herbicide glyphosate (GLY), two ANTs, and one anticoccidial drug (AD). A total of 260 Ross 308 broilers aged 1-40 d were divided into the following four groups of 65 birds each: control group, which was fed the main diet (MD), and three experimental groups, which were fed MD supplemented with GLY, GLY+ANTs (enrofloxacin and colistin methanesulfonate), and GLY+AD (ammonium maduramicin), respectively.
View Article and Find Full Text PDFImpact of Species and Developmental Stage on the Bacterial Communities of Aphaenogaster Ants.
Curr Microbiol
February 2025
Department of Biology, West Chester University, West Chester, PA, 19383, USA.
Ants are distributed across the globe and there are currently over 14,000 described species. Due to the high diversity between species, ants are considered vital keystone species to many ecosystems. They provide basic ecosystem services such as: seed dispersal, soil bioturbation, decomposition, and pest control.
View Article and Find Full Text PDFBiochemical Features of the Cry3A Toxin of subsp. and Its Toxicity to the Red Imported Fire Ant .
Microorganisms
February 2025
Department of Biological Sciences, The University of Texas at Dallas, Richardson, TX 75080-3021, USA.
Bioinsecticides based on the bacterium (Bt) are widely used as safe alternatives to chemical insecticides. The insecticidal activity of Bt is occasioned by a protein toxin contained in parasporal crystals (Cry proteins) that are synthesized and laid down alongside the endospore during sporulation. The specificity of toxin action is associated with the subspecies of Bt and the individual Cry toxins they produce.
View Article and Find Full Text PDFGenetic Diversity and Connectivity of the Vulnerable Species in Palencia (Northern Spain).
Insects
February 2025
Departamento de Biología Ambiental, Facultad de Ciencias, Universidad de Navarra, 31080 Pamplona, Spain.
Habitat fragmentation is one of the most critical threats to species conservation, particularly for those with strict habitat preferences and specialized feeding and reproductive behaviors. In such cases, dispersal is essential for gene flow, playing a significant role in determining metapopulation dynamics and stability. This is precisely the case for many Lepidoptera, such as the dusky large blue butterfly (), whose larvae feed on a single host plant () before completing their life cycle as social parasites of ants.
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