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A novel picorna-like virus in the flatworm Stenostomum leucops (Catenulida).
Arch Virol
November 2024
Departamento de Bioquímica e Biologia Molecular, Universidade Federal de Santa Maria, Santa Maria, Av. Roraima 1000, Santa Maria, RS, CEP 97105.900, Brazil.
We present the genome sequence and organization and evidence of persistence of a new picorna-like virus infecting the flatworm Stenostomum leucops. The complete genome sequence belongs to a virus with a positive single-stranded RNA genome with two open reading frames (ORFs) flanked by untranslated regions and a polyadenylated C-terminus. The ORFs encode proteins with conserved motifs typical of members of the order Picornavirales.
View Article and Find Full Text PDFCore gut microbes Cloacibacterium and Aeromonas associated with different gastropod species could be persistently transmitted across multiple generations.
Microbiome
November 2023
Department of Parasitology, Key Laboratory of Tropical Disease Control (Ministry of Education), Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, China.
Background: Studies on the gut microbiota of animals have largely focused on vertebrates. The transmission modes of commensal intestinal bacteria in mammals have been well studied. However, in gastropods, the relationship between gut microbiota and hosts is still poorly understood.
View Article and Find Full Text PDFTime series analysis of tegument ultrastructure of in vitro transformed miracidium to mother sporocyst of the human parasite Schistosoma mansoni.
Acta Trop
April 2023
IHPE, CNRS, IFREMER, Univ Montpellier, Univ Perpignan Via Domitia, Perpignan, France.
The transformation of Schistosoma mansoni miracidia into mother sporocysts is induced, either in vivo by the penetration of the free-living larval stage, the miracidium, in the snail Biomphalaria glabrata or in vitro following the incubation of the miracidium in Chernin's Balanced Salt Solution (CBSS) or Bge (B. glabrata embryonic cell line) culture medium. The in vitro development of S.
View Article and Find Full Text PDFSchistosoma mansoni larvae in vitro cultures using Biomphalaria glabrata extracts.
Acta Trop
November 2022
Department of Pathogen, Infection and Immunity, Nara Medical University, 840 Shijo-cho, Kashihara, Nara 634-8521, Japan.
Article Synopsis
- The study tracked the location of S. mansoni larvae within Biomphalaria glabrata snails after infection, noting they initially reside in the head-foot area before moving to the hepatopancreas and ovotestis at later stages.
- Using extracts from different snail organs for lab culturing revealed that the head-foot extract supports extended larval growth, while combined use with the hepatopancreas extract enhances the larvae's development into sporocysts.
A Study on the Bio-responses of a Freshwater Snail () to Fungal-derived Compounds.
Recent Adv Antiinfect Drug Discov
November 2022
The Regional Center for Mycology and Biotechnology, Al-Azhar University, 11787, Nasr City, Cairo, Egypt.
Background: Biomphalaria alexandrina snails, as transitional hosts of schistosomiasis, plays an essential part in the spread of the illness. Control of these snails by the substance molluscicides antagonistically influences the oceanic climate, causing poisonous and cancer-causing consequences for non-target life forms.
Objective: Looking for new naturally safe substances that can treat schistosomiasis disease with minimal side effects on the environment and plants, fish wealth and do not affect vital human functions.
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