A5035401023- Environmental Toxicology and Ecotoxicology
- Marine Ecology and Invasive Species
- Aquatic Invertebrate Ecology and Behavior
- Marine Biology and Environmental Chemistry
- Marine Bivalve and Aquaculture Studies
- Aquaculture Nutrition and Growth
- Genetic diversity and population structure
- Fish Biology and Ecology Studies
- Marine Biology and Ecology Research
- Pharmaceutical and Antibiotic Environmental Impacts
- Aquaculture disease management and microbiota
- Aquatic life and conservation
- Identification and Quantification in Food
- Pesticide Exposure and Toxicity
- Environmental Chemistry and Analysis
- Nanoparticles: synthesis and applications
- Microbial bioremediation and biosurfactants
- Parasite Biology and Host Interactions
- International Maritime Law Issues
- Allelopathy and phytotoxic interactions
- Ziziphus Jujuba Studies and Applications
- Ethnobotanical and Medicinal Plants Studies
- Medicinal Plants and Neuroprotection
- Cholinesterase and Neurodegenerative Diseases
- Morphological variations and asymmetry
University of Carthage
2014-2024
Institut des Sciences de l'Evolution de Montpellier
2017-2022
Université de Montpellier
2017-2022
Centre National de la Recherche Scientifique
2017-2022
École Pratique des Hautes Études
2017-2019
Institut de Recherche pour le Développement
2017-2019
Abstract The Mytilus complex of marine mussel species forms a mosaic hybrid zones, found across temperate regions the globe. This allows us to study ‘replicated’ instances secondary contact between closely related species. Previous work on this has shown that local introgression is both widespread and highly heterogeneous, identified SNPs are outliers differentiation lineages. Here, we developed an ancestry‐informative panel such SNPs. We then compared their frequencies in newly sampled...
Diverging semi‐isolated lineages either meet in narrow clinal hybrid zones, or have a mosaic distribution associated with environmental variation. Intrinsic reproductive isolation is often emphasized the former and local adaptation latter, although both reduce gene flow between groups. Rarely are these two patterns of spatial reported same study system. Here, we report that long‐snouted seahorse Hippocampus guttulatus subdivided into discrete panmictic entities by types zones. Along European...
Abstract Saccular otoliths (sagittae) have long been shown to be species-specific and exhibit inland geospatial intra- interpopulation morphological differences with variations in environmental conditions. Here, we analysed outland sagittae shape, length ( Lo ), width Wo perimeter (Po), area (Ao), fluctuating asymmetry (FA) Chelon auratus males females collected from Ghar El Melh (Tunisia) Etoile Bay (Mauritania) stations assess whether shape morphometry differ between these two niches...
The purpose of this study was to assess the acute and chronic effects macrolide azithromycin (AZI) on European sea bass (Dicentrarchus labrax) early life stages. Azithromycin is a semi-synthetic antibiotic frequently detected in aquatic environment, despite few information about its organisms were reported. Investigations AZI toxicity D. labrax stages made using six increasing concentrations (0.625, 1.25, 2.5, 5, 10 20 mg/l) during 96 h exposure. tested at one year old juveniles two...
Imposex was quantified in Stramonita haemastoma from the Bizerta Channel during a one-year study period and effect of gastropod size shell fouling by epibiotic barnacles investigated. Butyltin concentrations (tributyltin (TBT) its derivatives di- mono-butyltin) were also investigated soft tissue gastropods to depict temporal trends pollution. Kelibia Beach chosen as reference site (not polluted organotin) whether barnacle could intervene imposex development. incidence greater females fouled...
Abstract Molecular approaches have proven efficient to identify cryptic lineages within single taxonomic entities. Sometimes these maybe previously unreported or unknown invasive taxa. The genetic structure of the marine gastropod Stramonita haemastoma has been examined in Western Mediterranean and North‐Eastern Atlantic populations with mt DNA COI sequences three newly developed microsatellite markers. We identified two lineages, differentially fixed for alternative haplogroups...
To better understand the impacts of biofouling on biological processes basibiont, effects epibiotic barnacles relative growth and reproductive indices Stramonita haemastoma (Linnaeus, 1767) were assessed. A total 1035 specimens collected monthly for one year from Bizerta Channel (northern Tunisia). Endobiotic species comprised lithophagous bivalves Lithophaga aristata Rocellaria dubia different sizes, communicating with outside through tiny perforations. Intra-shell tunnels galleries also...
Jujube extracts have been tested for the treatment of cypermethrin toxicity in freshwater mussel Unio pictorum. Mussels exposed to 150 µg/l were treated with 0.5, 1, 2.5 and 5 g/l jujube during 2 4 days. Results showed that affected hydrogen peroxide (H2O2), catalase (CAT), malondialdehyde (MDA) acetylcholinesterase (AChE) levels gills digestive glands. A 0.5 1 extract regulated those subsequent days exposure. Our results provoked similar induced by cypermethrin.
Abstract The Mytilus complex of marine mussel species forms a mosaic hybrid zones, found across temperate regions the globe. This allows us to study “replicated” instances secondary contact between closely-related species. Previous work on this has shown that local introgression is both widespread and highly heterogeneous, identified SNPs are outliers differentiation lineages. Here, we developed an ancestry-informative panel such SNPs. We then compared their frequencies in newly-sampled...
Stramonita haemastoma is a gonochoric marine gastropod.The examination of the genital tract has revealed occurrence malformations affecting penis males S. haemastoma, as for females only aphallia was recorded.Investigations were made in snails sampled monthly from Bizerta Channel (Northern Tunisia), over one-year period sampling (June 2009 to May 2010).S. 2013 sixteen sites located Mediterranean and Atlantic coast.The development such type associated use antifouling paints.However, this...
Abstract Diverging semi-isolated lineages either meet in narrow clinal hybrid zones, or have a mosaic distribution associated with environmental variation. Intrinsic reproductive isolation is often emphasized the former and local adaptation latter, although both can contribute to isolation. Rarely these two patterns of spatial are reported same study system. Here we report that long-snouted seahorse Hippocampus guttulatus subdivided into discrete panmictic entities by types zones. Along...