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Ostrovsky AM. Xeropicta derbentina (Krynicki, 1836) (Gastropoda: Eupulmonata: Geomitridae) in Belarus – new data. FOLIA MALACOLOGICA 2023. [DOI: 10.12657/folmal.031.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
Abstract
A new addition to the fauna of Belarus, the land snail species Xeropicta derbentina has been found in Gomel city. The material was collected in 2022. There are no earlier reports of this species from Belarus, and this locality is the most northerly known. The shells and reproductive anatomy of X. derbentina from Gomel are described and illustrated. It is likely that the species has been passively dispersed by railway transport.
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Staikou A, Feidantsis K, Gkanatsiou O, Bibos MN, Hatziioannou M, Storey KB, Michaelidis B. Seasonal cellular stress phenomena and phenotypic plasticity in land snail Helix lucorum populations from different altitudes. J Exp Biol 2021; 224:273728. [PMID: 34796901 DOI: 10.1242/jeb.243298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Accepted: 11/15/2021] [Indexed: 11/20/2022]
Abstract
Temperature, a major abiotic environmental factor, regulates various physiological functions in land snails and therefore determines their biogeographical distribution. Thus, species with different distributions may present different thermal tolerance limits. Additionally, the intense reactivation of snail metabolic rate upon arousal from hibernation or estivation may provoke stress. Land snails, Helix lucorum, display a wide altitudinal distribution resulting in populations being exposed to different seasonal temperature variations. The aim of the present study was to investigate the expression of heat shock proteins (Hsps), mitogen activated protein kinases (MAPKs) and proteins that are related to apoptosis (Bcl-2, ubiquitin), that have 'cytoprotective' roles and are also considered to be reliable indicators of stress because of their crucial role in maintaining cellular homeostasis. These proteins were assessed in H. lucorum individuals from two different populations, one at Axios (sea level, 0 m) and the other at Kokkinopilos (Olympus, 1250 m), as well as after mutual population exchanges, in order to find out whether the different responses of these stress-related proteins depend solely on the environmental temperature. The results showed seasonally altered levels in all studied proteins in the hepatopancreas and foot of snails, both among different populations and between the same populations exposed to varying altitudes. However, individuals of the same population in their native habitat or acclimatized to a different habitat showed a relatively similar pattern of expression, supporting the induction of the specific proteins according to the life history of each species.
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Affiliation(s)
- Alexandra Staikou
- Laboratory of Zoology, Department of Zoology, School of Biology, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece
| | - Konstantinos Feidantsis
- Laboratory of Animal Physiology, Department of Zoology, School of Biology, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece
| | - Ourania Gkanatsiou
- Laboratory of Animal Physiology, Department of Zoology, School of Biology, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece
| | - Modestos Nakos Bibos
- Laboratory of Animal Physiology, Department of Zoology, School of Biology, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece
| | - Marianthi Hatziioannou
- Department of Ichthyology and Aquatic Environment, Faculty of Agricultural Sciences, University of Thessaly, Fytoko street, GR-38445 Volos, Greece
| | - Kenneth B Storey
- Institute of Biochemistry, Carleton University, 1125 Colonel By Drive, Ottawa, ON, Canada, K1S 5B6
| | - Basile Michaelidis
- Laboratory of Animal Physiology, Department of Zoology, School of Biology, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece
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Mincarelli LF, Rotchell JM, Chapman EC, Turner AP, Wollenberg Valero KC. Consequences of combined exposure to thermal stress and the plasticiser DEHP in Mytilus spp. differ by sex. MARINE POLLUTION BULLETIN 2021; 170:112624. [PMID: 34146859 DOI: 10.1016/j.marpolbul.2021.112624] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Revised: 06/02/2021] [Accepted: 06/05/2021] [Indexed: 06/12/2023]
Abstract
Little is known about the combined effect of environmental factors and contaminants on commercially important marine species, and whether this effect differs by sex. In this study, blue mussels were exposed for seven days to both single and combined stressors (i.e., +3 °C elevated temperature and two environmentally relevant concentrations of the plastic softener DEHP, 0.5 and 50 μg/l) in a factorial design. Males were observed to be more sensitive to high temperature, demonstrated by the significant increase in out-of-season spawning gonads and higher gene expression of the antioxidant catalase and the estrogen receptor genes. On the other hand, while the gametogenesis cycle in females was more resilient than in males, DEHP exposure altered the estrogen-related receptor gene expression. We show that the combined stressors DEHP and increased temperature, in environmentally relevant magnitudes, have different consequences in male and female mussels, with the potential to impact the timing and breeding season success in Mytilus spp.
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Affiliation(s)
| | - Jeanette M Rotchell
- Department of Biological and Marine Sciences, University of Hull, Hull HU6 7RX, United Kingdom
| | - Emma C Chapman
- Department of Biological and Marine Sciences, University of Hull, Hull HU6 7RX, United Kingdom
| | - Alexander P Turner
- Department of Computer Science, University of Nottingham, NG8 1BB, United Kingdom
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Modeling the oxygen uptake, transport and consumption in an estivating terrestrial snail, Xeropicta derbentina, by the Colburn analogy. PLoS One 2021; 16:e0251379. [PMID: 34014950 PMCID: PMC8136638 DOI: 10.1371/journal.pone.0251379] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Accepted: 04/23/2021] [Indexed: 11/20/2022] Open
Abstract
The present work gives insight into the internal heat management of the respiratory system in the terrestrial snail Xeropicta derbentina, which has to cope with extreme climate conditions in its habitat. A realistic model of the lung´s vein system was constructed and the active diffusive surface of capillaries and main vein was calculated and confirmed by geometrical measurements. We here present a model that is able to validate the measured oxygen consumption by the use of the Colburn analogy between mass and momentum transfer. By combining basic diffusion laws with the momentum transfer, i.e. wall shear stress, at the inner wall of the lung capillaries and the main vein, the progression of the oxygen mass fraction in the hemolymph can be visualized.
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Köhler H, Capowiez Y, Mazzia C, Eckstein H, Kaczmarek N, Bilton MC, Burmester JKY, Capowiez L, Chueca LJ, Favilli L, Florit Gomila J, Manganelli G, Mazzuca S, Moreno‐Rueda G, Peschke K, Piro A, Quintana Cardona J, Sawallich L, Staikou AE, Thomassen HA, Triebskorn R. Experimental simulation of environmental warming selects against pigmented morphs of land snails. Ecol Evol 2021; 11:1111-1130. [PMID: 33598118 PMCID: PMC7863387 DOI: 10.1002/ece3.7002] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 10/14/2020] [Accepted: 10/20/2020] [Indexed: 12/17/2022] Open
Abstract
In terrestrial snails, thermal selection acts on shell coloration. However, the biological relevance of small differences in the intensity of shell pigmentation and the associated thermodynamic, physiological, and evolutionary consequences for snail diversity within the course of environmental warming are still insufficiently understood. To relate temperature-driven internal heating, protein and membrane integrity impairment, escape behavior, place of residence selection, water loss, and mortality, we used experimentally warmed open-top chambers and field observations with a total of >11,000 naturally or experimentally colored individuals of the highly polymorphic species Theba pisana (O.F. MÜller, 1774). We show that solar radiation in their natural Mediterranean habitat in Southern France poses intensifying thermal stress on increasingly pigmented snails that cannot be compensated for by behavioral responses. Individuals of all morphs acted neither jointly nor actively competed in climbing behavior, but acted similarly regardless of neighbor pigmentation intensity. Consequently, dark morphs progressively suffered from high internal temperatures, oxidative stress, and a breakdown of the chaperone system. Concomitant with increasing water loss, mortality increased with more intense pigmentation under simulated global warming conditions. In parallel with an increase in mean ambient temperature of 1.34°C over the past 30 years, the mortality rate of pigmented individuals in the field is, currently, about 50% higher than that of white morphs. A further increase of 1.12°C, as experimentally simulated in our study, would elevate this rate by another 26%. For 34 T. pisana populations from locations that are up to 2.7°C warmer than our experimental site, we show that both the frequency of pigmented morphs and overall pigmentation intensity decrease with an increase in average summer temperatures. We therefore predict a continuing strong decline in the frequency of pigmented morphs and a decrease in overall pigmentation intensity with ongoing global change in areas with strong solar radiation.
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Affiliation(s)
- Heinz‐R. Köhler
- Animal Physiological EcologyInstitute for Evolution and EcologyUniversity of TübingenTübingenGermany
| | | | - Christophe Mazzia
- Mediterranean Institute of Marine and Terrestrial Biodiversity and Ecology (IMBE) UMR 7263AMU, CNRSUniversité d´AvignonAvignon Cedex 9France
| | - Helene Eckstein
- Animal Physiological EcologyInstitute for Evolution and EcologyUniversity of TübingenTübingenGermany
| | - Nils Kaczmarek
- Animal Physiological EcologyInstitute for Evolution and EcologyUniversity of TübingenTübingenGermany
| | - Mark C. Bilton
- Namibian University of Science and TechnologyWindhoekNamibia
| | - Janne K. Y. Burmester
- Animal Physiological EcologyInstitute for Evolution and EcologyUniversity of TübingenTübingenGermany
| | | | - Luis J. Chueca
- Senckenberg Biodiversity and Climate Research CentreFrankfurt am MainGermany
- Department of Zoology and Animal Cell BiologyFaculty of PharmacyUniversity of the Basque Country (UPV/EHU)Vitoria‐GasteizSpain
| | - Leonardo Favilli
- Dipartimento di Scienze Fisiche, della Terra e dell'AmbienteSezione di Scienze AmbientaliUniversità degli Studi di SienaSienaItaly
| | | | - Giuseppe Manganelli
- Dipartimento di Scienze Fisiche, della Terra e dell'AmbienteSezione di Scienze AmbientaliUniversità degli Studi di SienaSienaItaly
| | - Silvia Mazzuca
- Lab of Plant Biology and Plant ProteomicsDepartment of Chemistry and Chemical TechnologiesUniversity of CalabriaRendeItaly
| | | | - Katharina Peschke
- Animal Physiological EcologyInstitute for Evolution and EcologyUniversity of TübingenTübingenGermany
| | - Amalia Piro
- Lab of Plant Biology and Plant ProteomicsDepartment of Chemistry and Chemical TechnologiesUniversity of CalabriaRendeItaly
| | - Josep Quintana Cardona
- Institut Català de Paleontologia Miquel CrusafontUniversitat Autònoma de BarcelonaEdifici ICTA‐ICP, campus de la UABBarcelonaSpain
- Ciutadella de MenorcaIlles BalearsSpain
| | - Lilith Sawallich
- Animal Physiological EcologyInstitute for Evolution and EcologyUniversity of TübingenTübingenGermany
| | - Alexandra E. Staikou
- Department of ZoologySchool of BiologyAristotle University of ThessalonikiThessalonikiGreece
| | - Henri A. Thomassen
- Comparative ZoologyInstitute for Evolution and EcologyUniversity of TübingenTübingenGermany
| | - Rita Triebskorn
- Animal Physiological EcologyInstitute for Evolution and EcologyUniversity of TübingenTübingenGermany
- Steinbeis‐Transfer Centre for Ecotoxicology and EcophysiologyRottenburgGermany
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Schweizer M, Triebskorn R, Köhler H. Snails in the sun: Strategies of terrestrial gastropods to cope with hot and dry conditions. Ecol Evol 2019; 9:12940-12960. [PMID: 31788227 PMCID: PMC6875674 DOI: 10.1002/ece3.5607] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2019] [Revised: 07/15/2019] [Accepted: 08/05/2019] [Indexed: 11/08/2022] Open
Abstract
Terrestrial gastropods do not only inhabit humid and cool environments but also habitat in which hot and dry conditions prevail. Snail species that are able to cope with such climatic conditions are thus expected to having developed multifaceted strategies and mechanisms to ensure their survival and reproduction under heat and desiccation stress. This review paper aims to provide an integrative overview of the numerous adaptation strategies terrestrial snails have evolved to persist in hot and dry environments as well as their mutual interconnections and feedbacks, but also to outline research gaps and questions that remained unanswered. We extracted relevant information from more than 140 publications in order to show how biochemical, cellular, physiological, morphological, ecological, thermodynamic, and evolutionary parameters contribute to provide an overall picture of this classical example in stress ecology. These mechanisms range from behavioral and metabolic adaptations, including estivation, to the induction of chaperones and antioxidant enzymes, mucocyte and digestive gland cell responses and the modification and frequency of morphological features, particularly shell pigmentation. In this context, thermodynamic constraints call for processes of complex adaptation at varying levels of biological organization that are mutually interwoven. We were able to assemble extensive, mostly narrowly focused information from the literature into a web of network parameters, showing that future work on this subject requires multicausal thinking to account for the complexity of relationships involved in snails' adaptation to insolation, heat, and drought.
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Affiliation(s)
- Mona Schweizer
- Animal Physiological EcologyInstitute of Evolution and EcologyUniversity of TübingenTübingenGermany
| | - Rita Triebskorn
- Animal Physiological EcologyInstitute of Evolution and EcologyUniversity of TübingenTübingenGermany
- Steinbeis Transfer Center for Ecotoxicology and EcophysiologyRottenburgGermany
| | - Heinz‐R. Köhler
- Animal Physiological EcologyInstitute of Evolution and EcologyUniversity of TübingenTübingenGermany
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Grilo TF, Lopes AR, Sampaio E, Rosa R, Cardoso PG. Sex differences in oxidative stress responses of tropical topshells (Trochus histrio) to increased temperature and high pCO 2. MARINE POLLUTION BULLETIN 2018; 131:252-259. [PMID: 29886945 DOI: 10.1016/j.marpolbul.2018.04.031] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2017] [Revised: 03/12/2018] [Accepted: 04/11/2018] [Indexed: 06/08/2023]
Abstract
Given scarcity of knowledge on gender ecophysiological responses of tropical marine organisms to global climate change, the major aim of this research was to investigate potential sex differences in oxidative status of topshell Trochus histrio, after a combined exposure to increased temperature and pCO2. Lipid peroxidation, heat-shock response and antioxidant enzymatic activities were evaluated. Lipid peroxidation varied differently between sexes, with males undergoing cellular damage under high pCO2, which was elevated temperature-counteracted. Heat shock response was thermo- and sex-regulated, with males exhibiting significantly higher heat shock proteins production than females. Catalase activity increased with temperature and was exacerbated in combination with hypercapnia, being highest in females, while glutathione S-transferases activity peaked in males. These results clearly support the existence of distinct physiological strategies to cope oxidative stress between sexes, apparently more efficient in females, and also reinforce for the need of encompassing sex as meaningful variable in future biomarker studies.
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Affiliation(s)
- Tiago F Grilo
- MARE - Marine and Environmental Sciences Centre, Laboratório Marítimo da Guia, Faculdade de Ciências da Universidade de Lisboa, Av. Nossa Senhora do Cabo, 939, 2750-374 Cascais, Portugal.
| | - Ana R Lopes
- MARE - Marine and Environmental Sciences Centre, Laboratório Marítimo da Guia, Faculdade de Ciências da Universidade de Lisboa, Av. Nossa Senhora do Cabo, 939, 2750-374 Cascais, Portugal
| | - Eduardo Sampaio
- MARE - Marine and Environmental Sciences Centre, Laboratório Marítimo da Guia, Faculdade de Ciências da Universidade de Lisboa, Av. Nossa Senhora do Cabo, 939, 2750-374 Cascais, Portugal
| | - Rui Rosa
- MARE - Marine and Environmental Sciences Centre, Laboratório Marítimo da Guia, Faculdade de Ciências da Universidade de Lisboa, Av. Nossa Senhora do Cabo, 939, 2750-374 Cascais, Portugal
| | - Patrícia G Cardoso
- MARE - Marine and Environmental Sciences Centre, Universidade de Coimbra, 3004-517 Coimbra, Portugal
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Khomich AS, Axenov-Gribanov DV, Bodilovskaya OA, Shirokova YA, Shchapova EP, Lubyaga YA, Shatilina ZM, Emshanova VA, Golubev AP. Assessment of the joint effect of thermal stress, pollution, and parasitic infestation on the activity of antioxidative enzymes in pulmonate mollusk Lymnaea stagnalis. CONTEMP PROBL ECOL+ 2017. [DOI: 10.1134/s1995425517020068] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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9
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Mizrahi T, Goldenberg S, Heller J, Arad Z. Geographic variation in thermal tolerance and strategies of heat shock protein expression in the land snail Theba pisana in relation to genetic structure. Cell Stress Chaperones 2016; 21:219-38. [PMID: 26503612 PMCID: PMC4786534 DOI: 10.1007/s12192-015-0652-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2015] [Revised: 09/16/2015] [Accepted: 10/13/2015] [Indexed: 01/12/2023] Open
Abstract
Land snails are exposed to conditions of high ambient temperature and low humidity, and their survival depends on a suite of morphological, behavioral, physiological, and molecular adaptations to the specific microhabitat. We tested in six populations of the land snail Theba pisana whether adaptations to different habitats affect their ability to cope with thermal stress and their strategies of heat shock protein (HSP) expression. Levels of Hsp70 and Hsp90 in the foot tissue were measured in field-collected snails and after acclimation to laboratory conditions. Snails were also exposed to various temperatures (32 up to 54 °C) for 2 h and HSP messenger RNA (mRNA) levels were measured in the foot tissue and survival was determined. To test whether the physiological and molecular data are related to genetic parameters, we analyzed T. pisana populations using partial sequences of nuclear and mitochondrial DNA ribosomal RNA genes. We show that populations collected from warmer habitats were more thermotolerant and had higher constitutive levels of Hsp70 isoforms in the foot tissue. Quantitative real-time polymerase chain reaction (PCR) analysis indicated that hsp70 and hsp90 mRNA levels increased significantly in response to thermal stress, although the increase in hsp70 mRNA was larger compared to hsp90 and its induction continued up to higher temperatures. Generally, warm-adapted populations had higher temperatures of maximal induction of hsp70 mRNA synthesis and higher upper thermal limits to HSP mRNA synthesis. Our study suggests that Hsp70 in the foot tissue of T. pisana snails may have important roles in determining stress resistance, while Hsp90 is more likely implicated in signal transduction processes that are activated by stress. In the phylogenetic analysis, T. pisana haplotypes were principally divided into two major clades largely corresponding to the physiological ability to withstand stress, thus pointing to genetically fixed tolerance.
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Affiliation(s)
- Tal Mizrahi
- Department of Biology, Technion, Haifa, 32000, Israel
| | | | - Joseph Heller
- Department of Ecology, Evolution, and Behavior, Hebrew University of Jerusalem, Jerusalem, 91904, Israel
| | - Zeev Arad
- Department of Biology, Technion, Haifa, 32000, Israel.
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Lesage C, Patrelle C, Vrignaud S, Decors A, Ferté H, Jouet D. Intermediate hosts of Protostrongylus pulmonalis (Frölich, 1802) and P. oryctolagi Baboš, 1955 under natural conditions in France. Parasit Vectors 2015; 8:104. [PMID: 25889190 PMCID: PMC4336746 DOI: 10.1186/s13071-015-0717-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2014] [Accepted: 02/05/2015] [Indexed: 12/05/2022] Open
Abstract
BACKGROUND Protostrongylus oryctolagi and P. pulmonalis are causative agents of pulmonary protostrongyliasis in Lagomorphs in France. These nematodes need usually one intermediate host for its life cycle, a terrestrial snail. However, some studies, mainly in experimental conditions, have identified the species of snails acting as intermediate hosts. METHODS In total, 3315 terrestrial snails and 307 slugs were collected in the field in South-Eastern France and analyzed to detect the presence of parasites. Identification of nematode parasites and snails were performed according to morphological and molecular approaches (D2 domain of the 28S rDNA for parasites; 18S and ITS-1 rDNA, COI and 16S mtDNA for snails). RESULTS Eighteen snails were found positive for Protostrongylids larvae. Haplotypes of the larvae corresponding to sequences of P. oryctolagi and P. pulmonalis were detected. Morphological identification of molluscs based on shell characters revealed 4 different morphotypes, and molecular results confirm the membership of these gastropods to the Hygromiidae and revealed 4 different species: Candidula gigaxii, 2 species of Cernuella sp. and Xeropicta derbentina. All infested snails were collected in wine cultures. CONCLUSION This study displays the first description of intermediate hosts of P. oryctolagi and the first report of X. derbentina as natural intermediate host of P. pulmonalis.
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MESH Headings
- Animals
- Cluster Analysis
- DNA, Helminth/chemistry
- DNA, Helminth/genetics
- DNA, Ribosomal/chemistry
- DNA, Ribosomal/genetics
- DNA, Ribosomal Spacer/chemistry
- DNA, Ribosomal Spacer/genetics
- France
- Gastropoda/parasitology
- Life Cycle Stages
- Metastrongyloidea/growth & development
- Metastrongyloidea/physiology
- Microscopy
- Molecular Sequence Data
- Phylogeny
- RNA, Ribosomal, 16S/genetics
- RNA, Ribosomal, 18S/genetics
- RNA, Ribosomal, 28S/genetics
- Sequence Analysis, DNA
- Snails/classification
- Snails/genetics
- Snails/parasitology
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Affiliation(s)
- Célia Lesage
- EA 4688 (VECPAR), UFR de Pharmacie, Université de Reims Champagne-Ardenne, 51 rue Cognacq-Jay, 51096, Reims, France.
- Office National de la Chasse et de la Faune Sauvage, Direction des études et de la recherche, 5 rue de Saint Thibaud, 78610, Auffargis, France.
| | - Cécile Patrelle
- EA 4688 (VECPAR), UFR de Pharmacie, Université de Reims Champagne-Ardenne, 51 rue Cognacq-Jay, 51096, Reims, France.
| | | | - Anouk Decors
- Office National de la Chasse et de la Faune Sauvage, Direction des études et de la recherche, 5 rue de Saint Thibaud, 78610, Auffargis, France.
| | - Hubert Ferté
- EA 4688 (VECPAR), UFR de Pharmacie, Université de Reims Champagne-Ardenne, 51 rue Cognacq-Jay, 51096, Reims, France.
| | - Damien Jouet
- EA 4688 (VECPAR), UFR de Pharmacie, Université de Reims Champagne-Ardenne, 51 rue Cognacq-Jay, 51096, Reims, France.
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11
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Dieterich A, Troschinski S, Schwarz S, Di Lellis MA, Henneberg A, Fischbach U, Ludwig M, Gärtner U, Triebskorn R, Köhler HR. Hsp70 and lipid peroxide levels following heat stress in Xeropicta derbentina (Krynicki 1836) (Gastropoda, Pulmonata) with regard to different colour morphs. Cell Stress Chaperones 2015; 20:159-68. [PMID: 25108358 PMCID: PMC4255243 DOI: 10.1007/s12192-014-0534-3] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2014] [Revised: 07/29/2014] [Accepted: 08/01/2014] [Indexed: 01/24/2023] Open
Abstract
Terrestrial snails which live under dry and hot conditions need efficient mechanisms of adaptation to counteract the problems of desiccation and over-heating. A profoundly heat tolerant snail species is the Mediterranean Xeropicta derbentina, exhibiting different shell colour morphs ranging from pale white to darkly banded. Considering that dark-pigmented snails are believed to have a disadvantage due to faster heating, we investigated possible differences in the stress markers Hsp70 and lipid peroxideation between four pre-defined colour morphs which were exposed to different temperatures for eight hours. The highest Hsp70 levels were observed in response to 38-40 °C. Levels decreased when this temperature was exceeded. Snails of a pre-defined colour category 3 (with a large black band at the umbilicus side of the shell) showed the most prominent Hsp70 response. Lipid peroxideation levels also showed a maximum at 38 °C but displayed a second peak at rather high temperatures at which the Hsp70 level already had decreased (45-48 °C). Particularly pure white snails (category 1) and the most pigmented ones (category 4) were found to have different levels of lipid peroxidation at 38 °C and 45 °C compared to the other morphs. A hypothesis involving a combined two-phase defence mechanism, to which both, the Hsp70 protection system and the antioxidant defence system, may contribute, is discussed.
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Affiliation(s)
- A. Dieterich
- />Animal Physiological Ecology, University of Tübingen, Konrad-Adenauer-Str. 20, 72072 Tübingen, Germany
| | - S. Troschinski
- />Animal Physiological Ecology, University of Tübingen, Konrad-Adenauer-Str. 20, 72072 Tübingen, Germany
| | - S. Schwarz
- />Animal Physiological Ecology, University of Tübingen, Konrad-Adenauer-Str. 20, 72072 Tübingen, Germany
| | - M. A. Di Lellis
- />Animal Physiological Ecology, University of Tübingen, Konrad-Adenauer-Str. 20, 72072 Tübingen, Germany
| | - A. Henneberg
- />Animal Physiological Ecology, University of Tübingen, Konrad-Adenauer-Str. 20, 72072 Tübingen, Germany
| | - U. Fischbach
- />Institute of Applied Research, University of Applied Sciences, Kanalstr. 33, 73728 Esslingen, Germany
| | - M. Ludwig
- />Institute of Applied Research, University of Applied Sciences, Kanalstr. 33, 73728 Esslingen, Germany
| | - U. Gärtner
- />Institute of Applied Research, University of Applied Sciences, Kanalstr. 33, 73728 Esslingen, Germany
| | - R. Triebskorn
- />Animal Physiological Ecology, University of Tübingen, Konrad-Adenauer-Str. 20, 72072 Tübingen, Germany
| | - H.-R. Köhler
- />Animal Physiological Ecology, University of Tübingen, Konrad-Adenauer-Str. 20, 72072 Tübingen, Germany
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12
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Mizrahi T, Goldenberg S, Heller J, Arad Z. Natural variation in resistance to desiccation and heat shock protein expression in the land snail Theba pisana along a climatic gradient. Physiol Biochem Zool 2014; 88:66-80. [PMID: 25590594 DOI: 10.1086/679485] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Land snails frequently encounter desiccating conditions, and their survival depends on a suite of morphological, physiological, and molecular adaptations to the specific microhabitat. Strategies of survival can be determined by integrating information from various levels of biological organization. In this study, we used a combination of physiological parameters related to water economy and molecular factors (stress protein expression) to investigate the strategies of survival adopted by seven populations of the Mediterranean-type land snail Theba pisana from different habitats. We analyzed water compartmentalization during aestivation and used experimental desiccation to compare desiccation resistance. We also measured the endogenous levels of heat shock proteins (HSPs) Hsp72, Hsp74, and Hsp90 under nonstress conditions and analyzed the HSP response to desiccation in two populations that differed mostly in their resistance to desiccation. We revealed significant intraspecific differences in resistance to desiccation that seem to be determined by the speed of recruitment of the water-preserving mechanisms. The ability to cope with desiccating conditions was correlated with habitat temperature but not with the rainfall gradient, implying that in the coastal region, temperature is likely to have a major impact on desiccation resistance rather than precipitation. Also, higher desiccation resistance was correlated with higher constitutive levels of Hsp74 in the foot tissue. HSPs were upregulated during desiccation, but the response was delayed and was milder in the most resistant population compared to the most susceptible one. Our study suggests that T. pisana populations from warmer habitats were more resistant to desiccation and developed distinct strategies of HSP expression for survival, namely, the maintenance of high constitutive levels of Hsp70 together with a delayed and limited response to stress.
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Affiliation(s)
- Tal Mizrahi
- Department of Biology, Technion, Haifa 32000, Israel; 2Department of Evolution, Systematics, and Ecology, Hebrew University of Jerusalem, Jerusalem 91904, Israel
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Troschinski S, Dieterich A, Krais S, Triebskorn R, Köhler HR. Antioxidant defence and stress protein induction following heat stress in the Mediterranean snail Xeropicta derbentina. ACTA ACUST UNITED AC 2014; 217:4399-405. [PMID: 25394630 DOI: 10.1242/jeb.113167] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The Mediterranean snail Xeropicta derbentina (Pulmonata, Hygromiidae), being highly abundant in Southern France, has the need for efficient physiological adaptations to desiccation and over-heating posed by dry and hot environmental conditions. As a consequence of heat, oxidative stress manifests in these organisms, which, in turn, leads to the formation of reactive oxygen species (ROS). In this study, we focused on adaptations at the biochemical level by investigation of antioxidant defences and heat shock protein 70 (Hsp70) induction, both essential mechanisms of the heat stress response. We exposed snails to elevated temperature (25, 38, 40, 43 and 45°C) in the laboratory and measured the activity of the antioxidant enzymes catalase (CAT) and glutathione peroxidase (GPx), determined the Hsp70 level and quantified lipid peroxidation. In general, we found a high constitutive level of CAT activity in all treatments, which may be interpreted as a permanent protection against ROS, i.e. hydrogen peroxide. CAT and GPx showed temperature-dependent activity: CAT activity was significantly increased in response to high temperatures (43 and 45°C), whereas GPx exhibited a significantly increased activity at 40°C, probably in response to high levels of lipid peroxides that occurred in the 38°C treatment. Hsp70 showed a maximum induction at 40°C, followed by a decrease at higher temperatures. Our results reveal that X. derbentina possesses a set of efficient mechanisms to cope with the damaging effects of heat. Furthermore, we demonstrated that, besides the well-documented Hsp70 stress response, antioxidant defence plays a crucial role in the snails' competence to survive extreme temperatures.
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Affiliation(s)
- Sandra Troschinski
- Animal Physiological Ecology, Institute of Evolution and Ecology, Tübingen University, 72072 Tübingen, Germany.
| | - Andreas Dieterich
- Animal Physiological Ecology, Institute of Evolution and Ecology, Tübingen University, 72072 Tübingen, Germany
| | - Stefanie Krais
- Animal Physiological Ecology, Institute of Evolution and Ecology, Tübingen University, 72072 Tübingen, Germany
| | - Rita Triebskorn
- Animal Physiological Ecology, Institute of Evolution and Ecology, Tübingen University, 72072 Tübingen, Germany
| | - Heinz-R Köhler
- Animal Physiological Ecology, Institute of Evolution and Ecology, Tübingen University, 72072 Tübingen, Germany
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