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January 2024 - September 2024
Publications
Publications (16)
In the present study, we report for the first time the presence of Vitrina pellucida and Arion silvaticus as invasive species in Isla Grande of Tierra del Fuego, Argentina. Additionally, our research confirmed the presence in the same region of Deroceras reticulatum a previously reported invasive species from continental Patagonia. Taxonomic identi...
Supplementary material: Antioxidant Responses Induced by Short-Term Activity–Estivation–Arousal Cycle in Pomacea canaliculata.
Long-term estivation (45 days) in the apple snail Pomacea canaliculata induces an increase of non-enzymatic antioxidants, such as uric acid and reduced glutathione (GSH), which constitutes an alternative to the adaptive physiological strategy of preparation for oxidative stress (POS). Here, we studied markers of oxidative stress damage, uric acid l...
The adult fluke Stomylotrema vicarium (Stomylotrematidae, Microphalloidea) was described for the first time in Theristicus caerulescens in 1901, but the complete life cycle has remained unknown to date. Here, we found a stomylotrematid trematode in the digestive gland of the endemic apple snail Pomacea americanista. The digestive gland´s tubuloacin...
We here compare morphological and molecular characters of some putative endosym-biotic elements of the digestive gland of three ampullariid species (Pomacea canaliculata, Pomacea scalaris and Asolene platae) which coexist in Lake Regatas (Palermo, Buenos Aires). The putative endosymbionts were reported in these species and were identified as C and...
The freshwater snail Pomacea canaliculata, an invasive species of global significance, possesses a well-developed digestive system and diverse feeding mechanisms enabling the intake of a wide variety of food. The identification of glycosidases in adult snails would increase the understanding of their digestive physiology and potentially generate ne...
In the context of a broader program dealing with the symbiotic associations of apple snails, we sampled three species that coexist in Lake Regatas (Palermo, Buenos Aires, Argentina). The population of Asolene platae , (but not those of Pomacea canaliculata and Pomacea scalaris ) showed trematode larvae (echinocercariae and xiphidiocercariae) in hae...
Two types of pigmented intracellular bodies have been reported in the digestive glands of several caenogastropods, particularly in the families Ampullariidae (Architaenioglossa: Ampullarioidea), Strombidae and Struthiolariidae (Littorinimorpha: Stromboidea). Rounded corpuscles, which are usually light brown, are identified here as C corpuscles, whi...
Apple snails (Ampullariidae) are among the largest and most ecologically important freshwater
snails. The introduction of multiple species has reinvigorated the field and spurred a
burgeoning body of research since the early 1990s, particularly regarding two species introduced
to Asian wetlands and elsewhere, where they have become serious agricult...
Pigments present in the brown-greenish C morph of an intracellular endosymbiont of Pomacea canaliculata were investigated. Acetone extracts of the endosymbiotic corpuscles showed an absorption spectrum similar to that of chlorophylls. Three fractions obtained from silica gel column chromatography of the acetone extracts (C(I), C(II), and C(III)), w...
