LotaV3, Main, Exploration, bibRecord, 000B24

Morphology and fine structure of the heart of the burbot, a cold stenothermal fish

Identifieur interne : 000B24 ( Main/Exploration ); précédent : 000B23; suivant : 000B25

Morphology and fine structure of the heart of the burbot, a cold stenothermal fish

Auteurs : V. Tiitu [Finlande] ; M. Vornamen [Finlande]

Source :

Journal of Fish Biology [ 0022-1112 ] ; 2002-07.

RBID : ISTEX:0A03CE111D53493DAB3FD6CF6139B43DBAE887D3

Descripteurs français

Pascal (Inist)
- Adaptation, Coeur, Collagène, Froid, Lota lota, Mitochondrie, Morphologie, Myocyte, Myofibrille, Réticulum sarcoplasmique, Température, Ultrastructure.

English descriptors

KwdEn :
- Adaptation, Cold, Collagen, Heart, Lota lota, Mitochondria, Morphology, Myocyte, Myofibril, Sarcoplasmic reticulum, Temperature, Ultrastructure, collagen, heart mass, mitochondria, myocyte size, myofibrils, sarcoplasmic reticulum.

Abstract

The ventricle of the burbot Lota lota heart comprised 0·148 ± 0·006% of the body mass which is nearly two‐fold heavier than the relative ventricular mass (MV) of other similarly sized teleosts. The shape of the ventricle is pyramidal and the wall is exclusively composed of spongious muscle without a distinct compact layer. The atrium forms 0·017 ± 0·002% of the body mass. Length, width, sarcolemmal surface area and volume of enzymatically isolated myocytes from burbot ventricle were 147·2 ± 10·2 μm, 6·3 ± 0·4 μm, 2440·8 · 251·5 μm2 and 2356·8 ± 316·6 μm3, respectively. The myofibrils were peripherally located and their volume density was remarkably high: 65 ± 2 and 68 ± 3% in ventricle and atrium, respectively (P>0·05). Although not particularly conspicuous, some nonjunctional and junctional sarcoplasmic reticulum (SR) was present in both atrial and ventricular myocytes. The SR formed peripheral couplings with the sarcolemma and the junctional clefts were frequently occupied by foot processes. These findings suggest that cold‐adaptation is achieved by cardiac enlargement, high volume density of myofibrils and well‐developed peripheral couplings in the SR in the heart of stenothermal burbot.

Url:

https://api.istex.fr/document/0A03CE111D53493DAB3FD6CF6139B43DBAE887D3/fulltext/pdf

DOI: 10.1111/j.1095-8649.2002.tb01740.x

Affiliations:

Finlande

Le document en format XML

<record><TEI wicri:istexFullTextTei="biblStruct"><teiHeader><fileDesc><titleStmt><title xml:lang="en">Morphology and fine structure of the heart of the burbot, a cold stenothermal fish</title>
<author><name sortKey="Tiitu, V" sort="Tiitu, V" uniqKey="Tiitu V" first="V." last="Tiitu">V. Tiitu</name>
</author>
<author><name sortKey="Vornamen, M" sort="Vornamen, M" uniqKey="Vornamen M" first="M." last="Vornamen">M. Vornamen</name>
</author>
</titleStmt>
<publicationStmt><idno type="wicri:source">ISTEX</idno>
<idno type="RBID">ISTEX:0A03CE111D53493DAB3FD6CF6139B43DBAE887D3</idno>
<date when="2002" year="2002">2002</date>
<idno type="doi">10.1111/j.1095-8649.2002.tb01740.x</idno>
<idno type="url">https://api.istex.fr/document/0A03CE111D53493DAB3FD6CF6139B43DBAE887D3/fulltext/pdf</idno>
<idno type="wicri:Area/Istex/Corpus">000038</idno>
<idno type="wicri:Area/Istex/Curation">000038</idno>
<idno type="wicri:Area/Istex/Checkpoint">000718</idno>
<idno type="wicri:explorRef" wicri:stream="Istex" wicri:step="Checkpoint">000718</idno>
<idno type="wicri:doubleKey">0022-1112:2002:Tiitu V:morphology:and:fine</idno>
<idno type="wicri:Area/Main/Merge">000B60</idno>
<idno type="wicri:source">INIST</idno>
<idno type="RBID">Pascal:02-0511323</idno>
<idno type="wicri:Area/PascalFrancis/Corpus">000100</idno>
<idno type="wicri:Area/PascalFrancis/Curation">000018</idno>
<idno type="wicri:Area/PascalFrancis/Checkpoint">000095</idno>
<idno type="wicri:explorRef" wicri:stream="PascalFrancis" wicri:step="Checkpoint">000095</idno>
<idno type="wicri:doubleKey">0022-1112:2002:Tiitu V:morphology:and:fine</idno>
<idno type="wicri:Area/Main/Merge">000B89</idno>
<idno type="wicri:Area/Main/Curation">000B24</idno>
<idno type="wicri:Area/Main/Exploration">000B24</idno>
</publicationStmt>
<sourceDesc><biblStruct><analytic><title level="a" type="main" xml:lang="en">Morphology and fine structure of the heart of the burbot, a cold stenothermal fish</title>
<author><name sortKey="Tiitu, V" sort="Tiitu, V" uniqKey="Tiitu V" first="V." last="Tiitu">V. Tiitu</name>
<affiliation wicri:level="1"><country xml:lang="fr">Finlande</country>
<wicri:regionArea>Department of Biology, University of Joensuu, P.O. Box 111, 80101 Joensuu</wicri:regionArea>
<wicri:noRegion>80101 Joensuu</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Vornamen, M" sort="Vornamen, M" uniqKey="Vornamen M" first="M." last="Vornamen">M. Vornamen</name>
<affiliation wicri:level="1"><country xml:lang="fr">Finlande</country>
<wicri:regionArea>Department of Biology, University of Joensuu, P.O. Box 111, 80101 Joensuu</wicri:regionArea>
<wicri:noRegion>80101 Joensuu</wicri:noRegion>
</affiliation>
</author>
</analytic>
<monogr></monogr>
<series><title level="j">Journal of Fish Biology</title>
<idno type="ISSN">0022-1112</idno>
<idno type="eISSN">1095-8649</idno>
<imprint><publisher>Blackwell Publishing Ltd</publisher>
<pubPlace>Oxford, UK</pubPlace>
<date type="published" when="2002-07">2002-07</date>
<biblScope unit="volume">61</biblScope>
<biblScope unit="issue">1</biblScope>
<biblScope unit="page" from="106">106</biblScope>
<biblScope unit="page" to="121">121</biblScope>
</imprint>
<idno type="ISSN">0022-1112</idno>
</series>
<idno type="istex">0A03CE111D53493DAB3FD6CF6139B43DBAE887D3</idno>
<idno type="DOI">10.1111/j.1095-8649.2002.tb01740.x</idno>
<idno type="ArticleID">JFB106</idno>
</biblStruct>
</sourceDesc>
<seriesStmt><idno type="ISSN">0022-1112</idno>
</seriesStmt>
</fileDesc>
<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adaptation</term>
<term>Cold</term>
<term>Collagen</term>
<term>Heart</term>
<term>Lota lota</term>
<term>Mitochondria</term>
<term>Morphology</term>
<term>Myocyte</term>
<term>Myofibril</term>
<term>Sarcoplasmic reticulum</term>
<term>Temperature</term>
<term>Ultrastructure</term>
<term>collagen</term>
<term>heart mass</term>
<term>mitochondria</term>
<term>myocyte size</term>
<term>myofibrils</term>
<term>sarcoplasmic reticulum</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Adaptation</term>
<term>Coeur</term>
<term>Collagène</term>
<term>Froid</term>
<term>Lota lota</term>
<term>Mitochondrie</term>
<term>Morphologie</term>
<term>Myocyte</term>
<term>Myofibrille</term>
<term>Réticulum sarcoplasmique</term>
<term>Température</term>
<term>Ultrastructure</term>
</keywords>
</textClass>
<langUsage><language ident="en">en</language>
</langUsage>
</profileDesc>
</teiHeader>
<front><div type="abstract" xml:lang="en">The ventricle of the burbot Lota lota heart comprised 0·148 ± 0·006% of the body mass which is nearly two‐fold heavier than the relative ventricular mass (MV) of other similarly sized teleosts. The shape of the ventricle is pyramidal and the wall is exclusively composed of spongious muscle without a distinct compact layer. The atrium forms 0·017 ± 0·002% of the body mass. Length, width, sarcolemmal surface area and volume of enzymatically isolated myocytes from burbot ventricle were 147·2 ± 10·2 μm, 6·3 ± 0·4 μm, 2440·8 · 251·5 μm2 and 2356·8 ± 316·6 μm3, respectively. The myofibrils were peripherally located and their volume density was remarkably high: 65 ± 2 and 68 ± 3% in ventricle and atrium, respectively (P>0·05). Although not particularly conspicuous, some nonjunctional and junctional sarcoplasmic reticulum (SR) was present in both atrial and ventricular myocytes. The SR formed peripheral couplings with the sarcolemma and the junctional clefts were frequently occupied by foot processes. These findings suggest that cold‐adaptation is achieved by cardiac enlargement, high volume density of myofibrils and well‐developed peripheral couplings in the SR in the heart of stenothermal burbot.</div>
</front>
</TEI>
<affiliations><list><country><li>Finlande</li>
</country>
</list>
<tree><country name="Finlande"><noRegion><name sortKey="Tiitu, V" sort="Tiitu, V" uniqKey="Tiitu V" first="V." last="Tiitu">V. Tiitu</name>
</noRegion>
<name sortKey="Vornamen, M" sort="Vornamen, M" uniqKey="Vornamen M" first="M." last="Vornamen">M. Vornamen</name>
</country>
</tree>
</affiliations>
</record>

Pour manipuler ce document sous Unix (Dilib)

EXPLOR_STEP=$WICRI_ROOT/Eau/explor/LotaV3/Data/Main/Exploration

HfdSelect -h $EXPLOR_STEP/biblio.hfd -nk 000B24 | SxmlIndent | more

HfdSelect -h $EXPLOR_AREA/Data/Main/Exploration/biblio.hfd -nk 000B24 | SxmlIndent | more

Pour mettre un lien sur cette page dans le réseau Wicri

{{Explor lien
   |wiki=    Eau
   |area=    LotaV3
   |flux=    Main
   |étape=   Exploration
   |type=    RBID
   |clé=     ISTEX:0A03CE111D53493DAB3FD6CF6139B43DBAE887D3
   |texte=   Morphology and fine structure of the heart of the burbot, a cold stenothermal fish
}}

This area was generated with Dilib version V0.6.39.
Data generation: Fri May 20 09:58:26 2022. Site generation: Fri May 20 10:24:07 2022

Serveur d'exploration Lota lota

Morphology and fine structure of the heart of the burbot, a cold stenothermal fish

Morphology and fine structure of the heart of the burbot, a cold stenothermal fish

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

	Serveur d'exploration Lota lota
	Attention, ce site est en cours de développement ! Attention, site généré par des moyens informatiques à partir de corpus bruts. Les informations ne sont donc pas validées.