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The shell matrix of the pulmonate land snail Helix aspersa maxima
Comparative Biochemistry and Physiology Part B: Biochemistry and Molecular Biology, 2012In mollusks, the shell mineralization process is controlled by an array of proteins, glycoproteins and polysaccharides that collectively constitute the shell matrix. In spite of numerous researches, the shell protein content of a limited number of model species has been investigated.
Pavat, Céline +10 more
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Irreversible thermal denaturation of Helix aspersa maxima hemocyanin
Journal of Thermal Analysis and Calorimetry, 2018The thermal unfolding of hemocyanin, purified from garden snails Helix aspersa maxima (gastropod) (HaH), was investigated by differential scanning calorimetry (DSC), far-UV circular dichroism (CD) and UV–Vis spectroscopy. Denaturation of HaH was found to be an irreversible process. One transition, with an apparent transition temperature (Tm) at 79.8 °C,
Svetla Todinova +2 more
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Phenoloxidase Activity of Helix aspersa Maxima (Garden Snail, Gastropod) Hemocyanin
The Protein Journal, 2013The oxygen-transporting protein, hemocyanin (Hc), of the garden snail Helix aspersa maxima (HaH) was isolated and kinetically characterized. Kinetic parameters of the reaction of catalytic oxidation of catechol to quinone, catalyzed by native HaH were determined: the V max value amounted to 22 nmol min(-1) mg(-1), k cat to 1.1 min(-1).
Yuliana, Raynova +2 more
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Invertebrate Reproduction & Development, 2001
Summary The experimental laboratory pairing of hermaphroditic snails of different sub-species, Helix aspersa aspersa (H.a.a) and H. aspersa maxima (H.a.m.), made it possible to obtain both reciprocal hybrids for the first time and to describe their growth.
ANNETTE GOMOT-DE VAUFLEURY +1 more
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Summary The experimental laboratory pairing of hermaphroditic snails of different sub-species, Helix aspersa aspersa (H.a.a) and H. aspersa maxima (H.a.m.), made it possible to obtain both reciprocal hybrids for the first time and to describe their growth.
ANNETTE GOMOT-DE VAUFLEURY +1 more
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The development of mesocerebral neurons in the snail Helix aspersa maxima
Canadian Journal of Zoology, 1992The neurons in the right mesocerebrum of Helix aspersa participate in the control of sexual behaviour. The purpose of this study was to examine the relationship between reproductive development and the development of mesocerebral neurons. The growth of right mesocerebral neurons was quantified by intracellular filling cells with hexamminecobalt ...
Shelley LaBerge, Ronald Chase
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Journal of Food Composition and Analysis, 2006
The purpose of the present work is to verify the influence of different feed protein and lipid contents on the proximate composition on the fatty acid profile of snail meat (Helix aspersa maxima). The predominant fatty acids were palmitic (16.0), estearic (18:0), oleic (18:1 n-9), linoleic (18:2 n-6), mead (20:3 n-9), and arachidonic (20:4 n-6) acids ...
Maria Cristina Milinsk +6 more
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The purpose of the present work is to verify the influence of different feed protein and lipid contents on the proximate composition on the fatty acid profile of snail meat (Helix aspersa maxima). The predominant fatty acids were palmitic (16.0), estearic (18:0), oleic (18:1 n-9), linoleic (18:2 n-6), mead (20:3 n-9), and arachidonic (20:4 n-6) acids ...
Maria Cristina Milinsk +6 more
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Journal of Environmental Radioactivity, 2006
(137)Cs, (85)Sr, (133)Ba and (123m)Te contaminations of terrestrial gastropods, Helix aspersa maxima, by direct deposition, labelled food ingestion or combined (trophic and direct pathways) exposure were carried out under laboratory conditions. The aim of this study was to compare the three contamination pathways: direct, trophic and combined, in terms
C, Madoz-Escande, O, Simon
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(137)Cs, (85)Sr, (133)Ba and (123m)Te contaminations of terrestrial gastropods, Helix aspersa maxima, by direct deposition, labelled food ingestion or combined (trophic and direct pathways) exposure were carried out under laboratory conditions. The aim of this study was to compare the three contamination pathways: direct, trophic and combined, in terms
C, Madoz-Escande, O, Simon
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Comparative Biochemistry and Physiology Part A: Physiology, 1993
Abstract 1. 1. In artificial hibernation at 6°C, a rapid decrease in haemolymph glucose concentration occurred up to the third month and thereafter decreased slowly. The wet weight of the female albumen gland increased and its glycogen content increased after the third month whereas galactogen levels remained constant. 2. 2.
Jacqueline Bride +2 more
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Abstract 1. 1. In artificial hibernation at 6°C, a rapid decrease in haemolymph glucose concentration occurred up to the third month and thereafter decreased slowly. The wet weight of the female albumen gland increased and its glycogen content increased after the third month whereas galactogen levels remained constant. 2. 2.
Jacqueline Bride +2 more
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