Enzyme activity in energy supply of spermatozoon motility in two taxonomically distant fish species (sterlet Acipenser ruthenus, Acipenseriformes and common carp Cyprinus carpio, Cypriniformes).
Identifieur interne : 000075 ( Main/Exploration ); précédent : 000074; suivant : 000076Enzyme activity in energy supply of spermatozoon motility in two taxonomically distant fish species (sterlet Acipenser ruthenus, Acipenseriformes and common carp Cyprinus carpio, Cypriniformes).
Auteurs : Viktoriya Dzyuba [Ukraine] ; Borys Dzyuba [République tchèque] ; Jacky Cosson [République tchèque] ; Marek Rodina [République tchèque]Source :
- Theriogenology [ 1879-3231 ] ; 2016.
English descriptors
- KwdEn :
- MESH :
- chemical , metabolism : Adenosine Diphosphate, Adenosine Triphosphate.
- enzymology : Spermatozoa.
- genetics : Fishes, Sperm Motility.
- physiology : Energy Metabolism, Fishes, Sperm Motility.
- Animals, Male, Species Specificity.
Abstract
As spermatozoon motility duration differs significantly among fish species, the mechanism of ATP generation-regeneration and its distribution along the flagellum may be species-dependent. The present study compared the role of creatine kinase (CK) with that of adenylate kinase (AK) in ATP regeneration during motility of demembranated spermatozoa of taxonomically distant fish species, sterlet, and common carp, allowing investigation for the presence of the creatine-phosphocreatine (PCr) shuttle in sterlet spermatozoa. The flagellar beat frequency of demembranated spermatozoa was measured in reactivating media in the presence or absence of ATP, ADP, PCr, and CK and AK inhibitors. After demembranation, AK, CK, and total ATPase activity was measured in spermatozoon extracts. Beat frequency of demembranated spermatozoa was found to be positively correlated with ATP levels in reactivating medium and to reach a plateau at 0.8 mM and 0.6 mM ATP for carp and sterlet, respectively. It was shown for the first time that sterlet axonemal dynein ATPases have a higher affinity for ATP than do those of carp. Supplementation of reactivating medium with ADP and PCr without ATP resulted in beat frequencies comparable to that measured with 0.3 to 0.5-mM ATP for both studied species. The presence of the PCr-CK phosphagen system and its essential role in ATP regeneration were first confirmed for sturgeon spermatozoa. The inhibition of CK exerted a high impact on spermatozoon energy supply in both species, whereas the inhibition of AK was more pronounced in sterlet than in carp. This was confirmed by the quantification of enzyme activity in spermatozoon extracts. We concluded that spermatozoa of these taxonomically distant species use similar systems to supply energy for flagella motility, but with different efficacy.
DOI: 10.1016/j.theriogenology.2015.09.040
PubMed: 26483312
Affiliations:
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Karazin Kharkiv National University, Kharkiv, Ukraine. Electronic address: vdzyuba@frov.jcu.cz.</nlm:affiliation><country xml:lang="fr">Ukraine</country><wicri:regionArea>Laboratory of Reproductive Physiology, Research Institute of Fish Culture and Hydrobiology, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Faculty of Fisheries and Protection of Waters, University of South Bohemia in Ceske Budejovice, Vodnany, Czech Republic; Department of Membrane Biophysics, Scientific-Research Institute of Biology, V.N. Karazin Kharkiv National University, Kharkiv</wicri:regionArea><wicri:noRegion>Kharkiv</wicri:noRegion></affiliation></author><author><name sortKey="Dzyuba, Borys" sort="Dzyuba, Borys" uniqKey="Dzyuba B" first="Borys" last="Dzyuba">Borys Dzyuba</name><affiliation wicri:level="1"><nlm:affiliation>Laboratory of Reproductive Physiology, Research Institute of Fish Culture and Hydrobiology, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Faculty of Fisheries and Protection of Waters, University of South Bohemia in Ceske Budejovice, Vodnany, Czech Republic.</nlm:affiliation><country xml:lang="fr">République tchèque</country><wicri:regionArea>Laboratory of Reproductive Physiology, Research Institute of Fish Culture and Hydrobiology, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Faculty of Fisheries and Protection of Waters, University of South Bohemia in Ceske Budejovice, Vodnany</wicri:regionArea><wicri:noRegion>Vodnany</wicri:noRegion></affiliation></author><author><name sortKey="Cosson, Jacky" sort="Cosson, Jacky" uniqKey="Cosson J" first="Jacky" last="Cosson">Jacky Cosson</name><affiliation wicri:level="1"><nlm:affiliation>Laboratory of Reproductive Physiology, Research Institute of Fish Culture and Hydrobiology, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Faculty of Fisheries and Protection of Waters, University of South Bohemia in Ceske Budejovice, Vodnany, Czech Republic.</nlm:affiliation><country xml:lang="fr">République tchèque</country><wicri:regionArea>Laboratory of Reproductive Physiology, Research Institute of Fish Culture and Hydrobiology, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Faculty of Fisheries and Protection of Waters, University of South Bohemia in Ceske Budejovice, Vodnany</wicri:regionArea><wicri:noRegion>Vodnany</wicri:noRegion></affiliation></author><author><name sortKey="Rodina, Marek" sort="Rodina, Marek" uniqKey="Rodina M" first="Marek" last="Rodina">Marek Rodina</name><affiliation wicri:level="1"><nlm:affiliation>Laboratory of Reproductive Physiology, Research Institute of Fish Culture and Hydrobiology, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Faculty of Fisheries and Protection of Waters, University of South Bohemia in Ceske Budejovice, Vodnany, Czech Republic.</nlm:affiliation><country xml:lang="fr">République tchèque</country><wicri:regionArea>Laboratory of Reproductive Physiology, Research Institute of Fish Culture and Hydrobiology, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Faculty of Fisheries and Protection of Waters, University of South Bohemia in Ceske Budejovice, Vodnany</wicri:regionArea><wicri:noRegion>Vodnany</wicri:noRegion></affiliation></author></analytic><series><title level="j">Theriogenology</title><idno type="eISSN">1879-3231</idno><imprint><date when="2016" type="published">2016</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adenosine Diphosphate (metabolism)</term><term>Adenosine Triphosphate (metabolism)</term><term>Animals</term><term>Energy Metabolism (physiology)</term><term>Fishes (genetics)</term><term>Fishes (physiology)</term><term>Male</term><term>Species Specificity</term><term>Sperm Motility (genetics)</term><term>Sperm Motility (physiology)</term><term>Spermatozoa (enzymology)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Adenosine Diphosphate</term><term>Adenosine Triphosphate</term></keywords><keywords scheme="MESH" qualifier="enzymology" xml:lang="en"><term>Spermatozoa</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Fishes</term><term>Sperm Motility</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Energy Metabolism</term><term>Fishes</term><term>Sperm Motility</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Animals</term><term>Male</term><term>Species Specificity</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">As spermatozoon motility duration differs significantly among fish species, the mechanism of ATP generation-regeneration and its distribution along the flagellum may be species-dependent. The present study compared the role of creatine kinase (CK) with that of adenylate kinase (AK) in ATP regeneration during motility of demembranated spermatozoa of taxonomically distant fish species, sterlet, and common carp, allowing investigation for the presence of the creatine-phosphocreatine (PCr) shuttle in sterlet spermatozoa. The flagellar beat frequency of demembranated spermatozoa was measured in reactivating media in the presence or absence of ATP, ADP, PCr, and CK and AK inhibitors. After demembranation, AK, CK, and total ATPase activity was measured in spermatozoon extracts. Beat frequency of demembranated spermatozoa was found to be positively correlated with ATP levels in reactivating medium and to reach a plateau at 0.8 mM and 0.6 mM ATP for carp and sterlet, respectively. It was shown for the first time that sterlet axonemal dynein ATPases have a higher affinity for ATP than do those of carp. Supplementation of reactivating medium with ADP and PCr without ATP resulted in beat frequencies comparable to that measured with 0.3 to 0.5-mM ATP for both studied species. The presence of the PCr-CK phosphagen system and its essential role in ATP regeneration were first confirmed for sturgeon spermatozoa. The inhibition of CK exerted a high impact on spermatozoon energy supply in both species, whereas the inhibition of AK was more pronounced in sterlet than in carp. This was confirmed by the quantification of enzyme activity in spermatozoon extracts. We concluded that spermatozoa of these taxonomically distant species use similar systems to supply energy for flagella motility, but with different efficacy.</div></front></TEI><affiliations><list><country><li>République tchèque</li><li>Ukraine</li></country></list><tree><country name="Ukraine"><noRegion><name sortKey="Dzyuba, Viktoriya" sort="Dzyuba, Viktoriya" uniqKey="Dzyuba V" first="Viktoriya" last="Dzyuba">Viktoriya Dzyuba</name></noRegion></country><country name="République tchèque"><noRegion><name sortKey="Dzyuba, Borys" sort="Dzyuba, Borys" uniqKey="Dzyuba B" first="Borys" last="Dzyuba">Borys Dzyuba</name></noRegion><name sortKey="Cosson, Jacky" sort="Cosson, Jacky" uniqKey="Cosson J" first="Jacky" last="Cosson">Jacky Cosson</name><name sortKey="Rodina, Marek" sort="Rodina, Marek" uniqKey="Rodina M" first="Marek" last="Rodina">Marek Rodina</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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