LeHavreV1, Pmc, Corpus, bibRecord, 000033

Phenotypic diversity, population structure and stress protein-based capacitoring in populations of Xeropicta derbentina, a heat-tolerant land snail species

Identifieur interne : 000033 ( Pmc/Corpus ); précédent : 000032; suivant : 000034

Phenotypic diversity, population structure and stress protein-based capacitoring in populations of Xeropicta derbentina, a heat-tolerant land snail species

Auteurs : Maddalena A. Di Lellis ; Sergej Sereda ; Anna Gei Ler ; Adrien Picot ; Petra Arnold ; Stefanie Lang ; Sandra Troschinski ; Andreas Dieterich ; Torsten Hauffe ; Yvan Capowiez ; Christophe Mazzia ; Thomas Knigge ; Tiphaine Monsinjon ; Stefanie Krais ; Thomas Wilke ; Rita Triebskorn ; Heinz-R. Köhler

Source :

Cell Stress & Chaperones [ 1355-8145 ] ; 2014.

RBID : PMC:4389839

Abstract

The shell colour of many pulmonate land snail species is highly diverse. Besides a genetic basis, environmentally triggered epigenetic mechanisms including stress proteins as evolutionary capacitors are thought to influence such phenotypic diversity. In this study, we investigated the relationship of stress protein (Hsp70) levels with temperature stress tolerance, population structure and phenotypic diversity within and among different populations of a xerophilic Mediterranean snail species (Xeropicta derbentina). Hsp70 levels varied considerably among populations, and were significantly associated with shell colour diversity: individuals in populations exhibiting low diversity expressed higher Hsp70 levels both constitutively and under heat stress than those of phenotypically diverse populations. In contrast, population structure (cytochrome c oxidase subunit I gene) did not correlate with phenotypic diversity. However, genetic parameters (both within and among population differences) were able to explain variation in Hsp70 induction at elevated but non-pathologic temperatures. Our observation that (1) population structure had a high explanatory potential for Hsp70 induction and that (2) Hsp70 levels, in turn, correlated with phenotypic diversity while (3) population structure and phenotypic diversity failed to correlate provides empirical evidence for Hsp70 to act as a mediator between genotypic variation and phenotype and thus for chaperone-driven evolutionary capacitance in natural populations.

Url:

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4389839

DOI: 10.1007/s12192-014-0503-x
PubMed: 24609822
PubMed Central: 4389839

Links to Exploration step

PMC:4389839

Le document en format XML

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<author><name sortKey="Di Lellis, Maddalena A" sort="Di Lellis, Maddalena A" uniqKey="Di Lellis M" first="Maddalena A." last="Di Lellis">Maddalena A. Di Lellis</name>
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<author><name sortKey="Sereda, Sergej" sort="Sereda, Sergej" uniqKey="Sereda S" first="Sergej" last="Sereda">Sergej Sereda</name>
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<author><name sortKey="Gei Ler, Anna" sort="Gei Ler, Anna" uniqKey="Gei Ler A" first="Anna" last="Gei Ler">Anna Gei Ler</name>
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<author><name sortKey="Picot, Adrien" sort="Picot, Adrien" uniqKey="Picot A" first="Adrien" last="Picot">Adrien Picot</name>
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<author><name sortKey="Arnold, Petra" sort="Arnold, Petra" uniqKey="Arnold P" first="Petra" last="Arnold">Petra Arnold</name>
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<author><name sortKey="Lang, Stefanie" sort="Lang, Stefanie" uniqKey="Lang S" first="Stefanie" last="Lang">Stefanie Lang</name>
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<author><name sortKey="Dieterich, Andreas" sort="Dieterich, Andreas" uniqKey="Dieterich A" first="Andreas" last="Dieterich">Andreas Dieterich</name>
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<author><name sortKey="Hauffe, Torsten" sort="Hauffe, Torsten" uniqKey="Hauffe T" first="Torsten" last="Hauffe">Torsten Hauffe</name>
<affiliation><nlm:aff id="Aff2">Department of Animal Ecology & Systematics, Justus Liebig University Giessen, Heinrich-Buff-Ring 26-32 IFZ, D-35392 Giessen, Germany</nlm:aff>
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<author><name sortKey="Capowiez, Yvan" sort="Capowiez, Yvan" uniqKey="Capowiez Y" first="Yvan" last="Capowiez">Yvan Capowiez</name>
<affiliation><nlm:aff id="Aff4">Université d’Avignon et des Pays de Vaucluse, Laboratoire de Toxicologie Environnementale, UMR 406 UAPV/INRA, Domaine St Paul, Site Agroparc, F-84914 Avignon Cedex 9, France</nlm:aff>
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<author><name sortKey="Mazzia, Christophe" sort="Mazzia, Christophe" uniqKey="Mazzia C" first="Christophe" last="Mazzia">Christophe Mazzia</name>
<affiliation><nlm:aff id="Aff5">IMBE UMR 7263, Institut Mediterranéen de Biodiversité et d’Ecologie marine et continentale, Université d’Avignon et des Pays de Vaucluse, Pole Agrosciences, 301 rue Baruch de Spinoza, BP 21239, F-84916 Avignon cedex 9, France</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Knigge, Thomas" sort="Knigge, Thomas" uniqKey="Knigge T" first="Thomas" last="Knigge">Thomas Knigge</name>
<affiliation><nlm:aff id="Aff3">Laboratory of Ecotoxicology (LEMA), EA 3222 PRES Normandie, Le Havre University, 25 Rue Philippe Lebon, F-76058 Le Havre Cedex, France</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Monsinjon, Tiphaine" sort="Monsinjon, Tiphaine" uniqKey="Monsinjon T" first="Tiphaine" last="Monsinjon">Tiphaine Monsinjon</name>
<affiliation><nlm:aff id="Aff3">Laboratory of Ecotoxicology (LEMA), EA 3222 PRES Normandie, Le Havre University, 25 Rue Philippe Lebon, F-76058 Le Havre Cedex, France</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Krais, Stefanie" sort="Krais, Stefanie" uniqKey="Krais S" first="Stefanie" last="Krais">Stefanie Krais</name>
<affiliation><nlm:aff id="Aff1">Animal Physiological Ecology, Institute of Evolution and Ecology, Tübingen University, Konrad-Adenauer-Str. 20, D-72072 Tübingen, Germany</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Wilke, Thomas" sort="Wilke, Thomas" uniqKey="Wilke T" first="Thomas" last="Wilke">Thomas Wilke</name>
<affiliation><nlm:aff id="Aff2">Department of Animal Ecology & Systematics, Justus Liebig University Giessen, Heinrich-Buff-Ring 26-32 IFZ, D-35392 Giessen, Germany</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Triebskorn, Rita" sort="Triebskorn, Rita" uniqKey="Triebskorn R" first="Rita" last="Triebskorn">Rita Triebskorn</name>
<affiliation><nlm:aff id="Aff1">Animal Physiological Ecology, Institute of Evolution and Ecology, Tübingen University, Konrad-Adenauer-Str. 20, D-72072 Tübingen, Germany</nlm:aff>
</affiliation>
<affiliation><nlm:aff id="Aff6">Steinbeis-Transfer Center Ecotoxicology and Ecophysiology Rottenburg, Blumenstr. 13, D-72108 Rottenburg, Germany</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Kohler, Heinz R" sort="Kohler, Heinz R" uniqKey="Kohler H" first="Heinz-R." last="Köhler">Heinz-R. Köhler</name>
<affiliation><nlm:aff id="Aff1">Animal Physiological Ecology, Institute of Evolution and Ecology, Tübingen University, Konrad-Adenauer-Str. 20, D-72072 Tübingen, Germany</nlm:aff>
</affiliation>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Phenotypic diversity, population structure and stress protein-based capacitoring in populations of <italic>Xeropicta derbentina</italic>
, a heat-tolerant land snail species</title>
<author><name sortKey="Di Lellis, Maddalena A" sort="Di Lellis, Maddalena A" uniqKey="Di Lellis M" first="Maddalena A." last="Di Lellis">Maddalena A. Di Lellis</name>
<affiliation><nlm:aff id="Aff1">Animal Physiological Ecology, Institute of Evolution and Ecology, Tübingen University, Konrad-Adenauer-Str. 20, D-72072 Tübingen, Germany</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Sereda, Sergej" sort="Sereda, Sergej" uniqKey="Sereda S" first="Sergej" last="Sereda">Sergej Sereda</name>
<affiliation><nlm:aff id="Aff2">Department of Animal Ecology & Systematics, Justus Liebig University Giessen, Heinrich-Buff-Ring 26-32 IFZ, D-35392 Giessen, Germany</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Gei Ler, Anna" sort="Gei Ler, Anna" uniqKey="Gei Ler A" first="Anna" last="Gei Ler">Anna Gei Ler</name>
<affiliation><nlm:aff id="Aff1">Animal Physiological Ecology, Institute of Evolution and Ecology, Tübingen University, Konrad-Adenauer-Str. 20, D-72072 Tübingen, Germany</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Picot, Adrien" sort="Picot, Adrien" uniqKey="Picot A" first="Adrien" last="Picot">Adrien Picot</name>
<affiliation><nlm:aff id="Aff3">Laboratory of Ecotoxicology (LEMA), EA 3222 PRES Normandie, Le Havre University, 25 Rue Philippe Lebon, F-76058 Le Havre Cedex, France</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Arnold, Petra" sort="Arnold, Petra" uniqKey="Arnold P" first="Petra" last="Arnold">Petra Arnold</name>
<affiliation><nlm:aff id="Aff1">Animal Physiological Ecology, Institute of Evolution and Ecology, Tübingen University, Konrad-Adenauer-Str. 20, D-72072 Tübingen, Germany</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Lang, Stefanie" sort="Lang, Stefanie" uniqKey="Lang S" first="Stefanie" last="Lang">Stefanie Lang</name>
<affiliation><nlm:aff id="Aff1">Animal Physiological Ecology, Institute of Evolution and Ecology, Tübingen University, Konrad-Adenauer-Str. 20, D-72072 Tübingen, Germany</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Troschinski, Sandra" sort="Troschinski, Sandra" uniqKey="Troschinski S" first="Sandra" last="Troschinski">Sandra Troschinski</name>
<affiliation><nlm:aff id="Aff1">Animal Physiological Ecology, Institute of Evolution and Ecology, Tübingen University, Konrad-Adenauer-Str. 20, D-72072 Tübingen, Germany</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Dieterich, Andreas" sort="Dieterich, Andreas" uniqKey="Dieterich A" first="Andreas" last="Dieterich">Andreas Dieterich</name>
<affiliation><nlm:aff id="Aff1">Animal Physiological Ecology, Institute of Evolution and Ecology, Tübingen University, Konrad-Adenauer-Str. 20, D-72072 Tübingen, Germany</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Hauffe, Torsten" sort="Hauffe, Torsten" uniqKey="Hauffe T" first="Torsten" last="Hauffe">Torsten Hauffe</name>
<affiliation><nlm:aff id="Aff2">Department of Animal Ecology & Systematics, Justus Liebig University Giessen, Heinrich-Buff-Ring 26-32 IFZ, D-35392 Giessen, Germany</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Capowiez, Yvan" sort="Capowiez, Yvan" uniqKey="Capowiez Y" first="Yvan" last="Capowiez">Yvan Capowiez</name>
<affiliation><nlm:aff id="Aff4">Université d’Avignon et des Pays de Vaucluse, Laboratoire de Toxicologie Environnementale, UMR 406 UAPV/INRA, Domaine St Paul, Site Agroparc, F-84914 Avignon Cedex 9, France</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Mazzia, Christophe" sort="Mazzia, Christophe" uniqKey="Mazzia C" first="Christophe" last="Mazzia">Christophe Mazzia</name>
<affiliation><nlm:aff id="Aff5">IMBE UMR 7263, Institut Mediterranéen de Biodiversité et d’Ecologie marine et continentale, Université d’Avignon et des Pays de Vaucluse, Pole Agrosciences, 301 rue Baruch de Spinoza, BP 21239, F-84916 Avignon cedex 9, France</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Knigge, Thomas" sort="Knigge, Thomas" uniqKey="Knigge T" first="Thomas" last="Knigge">Thomas Knigge</name>
<affiliation><nlm:aff id="Aff3">Laboratory of Ecotoxicology (LEMA), EA 3222 PRES Normandie, Le Havre University, 25 Rue Philippe Lebon, F-76058 Le Havre Cedex, France</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Monsinjon, Tiphaine" sort="Monsinjon, Tiphaine" uniqKey="Monsinjon T" first="Tiphaine" last="Monsinjon">Tiphaine Monsinjon</name>
<affiliation><nlm:aff id="Aff3">Laboratory of Ecotoxicology (LEMA), EA 3222 PRES Normandie, Le Havre University, 25 Rue Philippe Lebon, F-76058 Le Havre Cedex, France</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Krais, Stefanie" sort="Krais, Stefanie" uniqKey="Krais S" first="Stefanie" last="Krais">Stefanie Krais</name>
<affiliation><nlm:aff id="Aff1">Animal Physiological Ecology, Institute of Evolution and Ecology, Tübingen University, Konrad-Adenauer-Str. 20, D-72072 Tübingen, Germany</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Wilke, Thomas" sort="Wilke, Thomas" uniqKey="Wilke T" first="Thomas" last="Wilke">Thomas Wilke</name>
<affiliation><nlm:aff id="Aff2">Department of Animal Ecology & Systematics, Justus Liebig University Giessen, Heinrich-Buff-Ring 26-32 IFZ, D-35392 Giessen, Germany</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Triebskorn, Rita" sort="Triebskorn, Rita" uniqKey="Triebskorn R" first="Rita" last="Triebskorn">Rita Triebskorn</name>
<affiliation><nlm:aff id="Aff1">Animal Physiological Ecology, Institute of Evolution and Ecology, Tübingen University, Konrad-Adenauer-Str. 20, D-72072 Tübingen, Germany</nlm:aff>
</affiliation>
<affiliation><nlm:aff id="Aff6">Steinbeis-Transfer Center Ecotoxicology and Ecophysiology Rottenburg, Blumenstr. 13, D-72108 Rottenburg, Germany</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Kohler, Heinz R" sort="Kohler, Heinz R" uniqKey="Kohler H" first="Heinz-R." last="Köhler">Heinz-R. Köhler</name>
<affiliation><nlm:aff id="Aff1">Animal Physiological Ecology, Institute of Evolution and Ecology, Tübingen University, Konrad-Adenauer-Str. 20, D-72072 Tübingen, Germany</nlm:aff>
</affiliation>
</author>
</analytic>
<series><title level="j">Cell Stress & Chaperones</title>
<idno type="ISSN">1355-8145</idno>
<idno type="eISSN">1466-1268</idno>
<imprint><date when="2014">2014</date>
</imprint>
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<front><div type="abstract" xml:lang="en"><p>The shell colour of many pulmonate land snail species is highly diverse. Besides a genetic basis, environmentally triggered epigenetic mechanisms including stress proteins as evolutionary capacitors are thought to influence such phenotypic diversity. In this study, we investigated the relationship of stress protein (Hsp70) levels with temperature stress tolerance, population structure and phenotypic diversity within and among different populations of a xerophilic Mediterranean snail species (<italic>Xeropicta derbentina</italic>
). Hsp70 levels varied considerably among populations, and were significantly associated with shell colour diversity: individuals in populations exhibiting low diversity expressed higher Hsp70 levels both constitutively and under heat stress than those of phenotypically diverse populations. In contrast, population structure (cytochrome <italic>c</italic>
 oxidase subunit I gene) did not correlate with phenotypic diversity. However, genetic parameters (both within and among population differences) were able to explain variation in Hsp70 induction at elevated but non-pathologic temperatures. Our observation that (1) population structure had a high explanatory potential for Hsp70 induction and that (2) Hsp70 levels, in turn, correlated with phenotypic diversity while (3) population structure and phenotypic diversity failed to correlate provides empirical evidence for Hsp70 to act as a mediator between genotypic variation and phenotype and thus for chaperone-driven evolutionary capacitance in natural populations.</p>
</div>
</front>
</TEI>
<pmc article-type="research-article"><pmc-comment>The publisher of this article does not allow downloading of the full text in XML form.</pmc-comment>
  <front><journal-meta><journal-id journal-id-type="nlm-ta">Cell Stress Chaperones</journal-id>
<journal-id journal-id-type="iso-abbrev">Cell Stress Chaperones</journal-id>
<journal-title-group><journal-title>Cell Stress & Chaperones</journal-title>
</journal-title-group>
<issn pub-type="ppub">1355-8145</issn>
<issn pub-type="epub">1466-1268</issn>
<publisher><publisher-name>Springer Netherlands</publisher-name>
<publisher-loc>Dordrecht</publisher-loc>
</publisher>
</journal-meta>
<article-meta><article-id pub-id-type="pmid">24609822</article-id>
<article-id pub-id-type="pmc">4389839</article-id>
<article-id pub-id-type="publisher-id">503</article-id>
<article-id pub-id-type="doi">10.1007/s12192-014-0503-x</article-id>
<article-categories><subj-group subj-group-type="heading"><subject>Original Paper</subject>
</subj-group>
</article-categories>
<title-group><article-title>Phenotypic diversity, population structure and stress protein-based capacitoring in populations of <italic>Xeropicta derbentina</italic>
, a heat-tolerant land snail species</article-title>
</title-group>
<contrib-group><contrib contrib-type="author" corresp="yes"><name><surname>Di Lellis</surname>
<given-names>Maddalena A.</given-names>
</name>
<address><email>Maddalena.DiLellis@googlemail.com</email>
</address>
<xref ref-type="aff" rid="Aff1"></xref>
</contrib>
<contrib contrib-type="author"><name><surname>Sereda</surname>
<given-names>Sergej</given-names>
</name>
<xref ref-type="aff" rid="Aff2"></xref>
</contrib>
<contrib contrib-type="author"><name><surname>Geißler</surname>
<given-names>Anna</given-names>
</name>
<xref ref-type="aff" rid="Aff1"></xref>
</contrib>
<contrib contrib-type="author"><name><surname>Picot</surname>
<given-names>Adrien</given-names>
</name>
<xref ref-type="aff" rid="Aff3"></xref>
</contrib>
<contrib contrib-type="author"><name><surname>Arnold</surname>
<given-names>Petra</given-names>
</name>
<xref ref-type="aff" rid="Aff1"></xref>
</contrib>
<contrib contrib-type="author"><name><surname>Lang</surname>
<given-names>Stefanie</given-names>
</name>
<xref ref-type="aff" rid="Aff1"></xref>
</contrib>
<contrib contrib-type="author"><name><surname>Troschinski</surname>
<given-names>Sandra</given-names>
</name>
<xref ref-type="aff" rid="Aff1"></xref>
</contrib>
<contrib contrib-type="author"><name><surname>Dieterich</surname>
<given-names>Andreas</given-names>
</name>
<xref ref-type="aff" rid="Aff1"></xref>
</contrib>
<contrib contrib-type="author"><name><surname>Hauffe</surname>
<given-names>Torsten</given-names>
</name>
<xref ref-type="aff" rid="Aff2"></xref>
</contrib>
<contrib contrib-type="author"><name><surname>Capowiez</surname>
<given-names>Yvan</given-names>
</name>
<xref ref-type="aff" rid="Aff4"></xref>
</contrib>
<contrib contrib-type="author"><name><surname>Mazzia</surname>
<given-names>Christophe</given-names>
</name>
<xref ref-type="aff" rid="Aff5"></xref>
</contrib>
<contrib contrib-type="author"><name><surname>Knigge</surname>
<given-names>Thomas</given-names>
</name>
<xref ref-type="aff" rid="Aff3"></xref>
</contrib>
<contrib contrib-type="author"><name><surname>Monsinjon</surname>
<given-names>Tiphaine</given-names>
</name>
<xref ref-type="aff" rid="Aff3"></xref>
</contrib>
<contrib contrib-type="author"><name><surname>Krais</surname>
<given-names>Stefanie</given-names>
</name>
<xref ref-type="aff" rid="Aff1"></xref>
</contrib>
<contrib contrib-type="author"><name><surname>Wilke</surname>
<given-names>Thomas</given-names>
</name>
<xref ref-type="aff" rid="Aff2"></xref>
</contrib>
<contrib contrib-type="author"><name><surname>Triebskorn</surname>
<given-names>Rita</given-names>
</name>
<xref ref-type="aff" rid="Aff1"></xref>
<xref ref-type="aff" rid="Aff6"></xref>
</contrib>
<contrib contrib-type="author" corresp="yes"><name><surname>Köhler</surname>
<given-names>Heinz-R.</given-names>
</name>
<address><email>heinz-r.koehler@uni-tuebingen.de</email>
</address>
<xref ref-type="aff" rid="Aff1"></xref>
</contrib>
<aff id="Aff1"><label></label>
Animal Physiological Ecology, Institute of Evolution and Ecology, Tübingen University, Konrad-Adenauer-Str. 20, D-72072 Tübingen, Germany</aff>
<aff id="Aff2"><label></label>
Department of Animal Ecology & Systematics, Justus Liebig University Giessen, Heinrich-Buff-Ring 26-32 IFZ, D-35392 Giessen, Germany</aff>
<aff id="Aff3"><label></label>
Laboratory of Ecotoxicology (LEMA), EA 3222 PRES Normandie, Le Havre University, 25 Rue Philippe Lebon, F-76058 Le Havre Cedex, France</aff>
<aff id="Aff4"><label></label>
Université d’Avignon et des Pays de Vaucluse, Laboratoire de Toxicologie Environnementale, UMR 406 UAPV/INRA, Domaine St Paul, Site Agroparc, F-84914 Avignon Cedex 9, France</aff>
<aff id="Aff5"><label></label>
IMBE UMR 7263, Institut Mediterranéen de Biodiversité et d’Ecologie marine et continentale, Université d’Avignon et des Pays de Vaucluse, Pole Agrosciences, 301 rue Baruch de Spinoza, BP 21239, F-84916 Avignon cedex 9, France</aff>
<aff id="Aff6"><label></label>
Steinbeis-Transfer Center Ecotoxicology and Ecophysiology Rottenburg, Blumenstr. 13, D-72108 Rottenburg, Germany</aff>
</contrib-group>
<pub-date pub-type="epub"><day>2</day>
<month>3</month>
<year>2014</year>
</pub-date>
<pub-date pub-type="ppub"><month>11</month>
<year>2014</year>
</pub-date>
<volume>19</volume>
<issue>6</issue>
<fpage>791</fpage>
<lpage>800</lpage>
<history><date date-type="received"><day>11</day>
<month>12</month>
<year>2013</year>
</date>
<date date-type="rev-recd"><day>3</day>
<month>2</month>
<year>2014</year>
</date>
<date date-type="accepted"><day>4</day>
<month>2</month>
<year>2014</year>
</date>
</history>
<permissions><copyright-statement>© Cell Stress Society International 2014</copyright-statement>
</permissions>
<abstract id="Abs1"><p>The shell colour of many pulmonate land snail species is highly diverse. Besides a genetic basis, environmentally triggered epigenetic mechanisms including stress proteins as evolutionary capacitors are thought to influence such phenotypic diversity. In this study, we investigated the relationship of stress protein (Hsp70) levels with temperature stress tolerance, population structure and phenotypic diversity within and among different populations of a xerophilic Mediterranean snail species (<italic>Xeropicta derbentina</italic>
). Hsp70 levels varied considerably among populations, and were significantly associated with shell colour diversity: individuals in populations exhibiting low diversity expressed higher Hsp70 levels both constitutively and under heat stress than those of phenotypically diverse populations. In contrast, population structure (cytochrome <italic>c</italic>
 oxidase subunit I gene) did not correlate with phenotypic diversity. However, genetic parameters (both within and among population differences) were able to explain variation in Hsp70 induction at elevated but non-pathologic temperatures. Our observation that (1) population structure had a high explanatory potential for Hsp70 induction and that (2) Hsp70 levels, in turn, correlated with phenotypic diversity while (3) population structure and phenotypic diversity failed to correlate provides empirical evidence for Hsp70 to act as a mediator between genotypic variation and phenotype and thus for chaperone-driven evolutionary capacitance in natural populations.</p>
</abstract>
<kwd-group xml:lang="en"><title>Keywords</title>
<kwd>COI</kwd>
<kwd>Eco-devo</kwd>
<kwd>Evolutionary capacitance</kwd>
<kwd>Hsp70</kwd>
<kwd><italic>Xeropicta derbentina</italic>
</kwd>
</kwd-group>
<custom-meta-group><custom-meta><meta-name>issue-copyright-statement</meta-name>
<meta-value>© Cell Stress Society International 2014</meta-value>
</custom-meta>
</custom-meta-group>
</article-meta>
</front>
</pmc>
</record>

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Phenotypic diversity, population structure and stress protein-based capacitoring in populations of Xeropicta derbentina, a heat-tolerant land snail species

Phenotypic diversity, population structure and stress protein-based capacitoring in populations of Xeropicta derbentina, a heat-tolerant land snail species

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