EsturgeonV1, PubMed, Corpus, bibRecord, 000604

Carbon dioxide and pH affect sperm motility of white sturgeon (Acipenser transmontanus).

Identifieur interne : 000604 ( PubMed/Corpus ); précédent : 000603; suivant : 000605

Carbon dioxide and pH affect sperm motility of white sturgeon (Acipenser transmontanus).

Auteurs : R L Ingermann ; M. Holcomb ; M L Robinson ; J G Cloud

Source :

The Journal of experimental biology [ 0022-0949 ] ; 2002.

RBID : pubmed:12177152

English descriptors

KwdEn :
- Animals, Carbon Dioxide (pharmacology), Fishes (physiology), Hydrogen-Ion Concentration, Male, Pressure, Semen (physiology), Sperm Motility (drug effects), Sperm Motility (physiology).
MESH :
- chemical , pharmacology : Carbon Dioxide.
- drug effects : Sperm Motility.
- physiology : Fishes, Semen, Sperm Motility.
- Animals, Hydrogen-Ion Concentration, Male, Pressure.

Abstract

Maintenance of sperm at pH values less than approximately 7.5 inhibited the onset of motility when sperm were subsequently diluted with water; maintenance at pH values above approximately 8.2 was associated with maximal motility upon dilution with water. Within 5 approximately min of exposure to low pH buffer (pH 6.9), there was a 50% decline in sperm motility upon dilution with water suggesting that exposure to low pH interferes with motility within a time frame that may affect fertilization. In most instances, maintenance of sperm under CO(2) at a pressure of 4-5 kPa almost completely blocked their capacity for motility. Furthermore, exposing semen to increasing partial pressures of CO(2) up to about 1 kPa resulted in a marked decrease in semen pH. These observations are consistent with the findings that the buffering capacity of semen is particularly low at physiological pH, and that this low buffering capacity corresponds to the highest pH sensitivity of the capacity for sperm motility. The low seminal buffering capacity may represent a physiological adaptation in the control of sperm function. It may also represent a vulnerability to environmental hypercapnia or metabolic acidosis.

PubMed: 12177152

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pubmed:12177152

Le document en format XML

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<author><name sortKey="Ingermann, R L" sort="Ingermann, R L" uniqKey="Ingermann R" first="R L" last="Ingermann">R L Ingermann</name>
<affiliation><nlm:affiliation>Department of Biological Sciences and Center for Reproductive Biology, University of Idaho, Moscow 83844-3051, USA. rolfi@uidaho.edu</nlm:affiliation>
</affiliation>
</author>
<author><name sortKey="Holcomb, M" sort="Holcomb, M" uniqKey="Holcomb M" first="M" last="Holcomb">M. Holcomb</name>
</author>
<author><name sortKey="Robinson, M L" sort="Robinson, M L" uniqKey="Robinson M" first="M L" last="Robinson">M L Robinson</name>
</author>
<author><name sortKey="Cloud, J G" sort="Cloud, J G" uniqKey="Cloud J" first="J G" last="Cloud">J G Cloud</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en">Carbon dioxide and pH affect sperm motility of white sturgeon (Acipenser transmontanus).</title>
<author><name sortKey="Ingermann, R L" sort="Ingermann, R L" uniqKey="Ingermann R" first="R L" last="Ingermann">R L Ingermann</name>
<affiliation><nlm:affiliation>Department of Biological Sciences and Center for Reproductive Biology, University of Idaho, Moscow 83844-3051, USA. rolfi@uidaho.edu</nlm:affiliation>
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<author><name sortKey="Holcomb, M" sort="Holcomb, M" uniqKey="Holcomb M" first="M" last="Holcomb">M. Holcomb</name>
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<author><name sortKey="Robinson, M L" sort="Robinson, M L" uniqKey="Robinson M" first="M L" last="Robinson">M L Robinson</name>
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<author><name sortKey="Cloud, J G" sort="Cloud, J G" uniqKey="Cloud J" first="J G" last="Cloud">J G Cloud</name>
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<series><title level="j">The Journal of experimental biology</title>
<idno type="ISSN">0022-0949</idno>
<imprint><date when="2002" type="published">2002</date>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Animals</term>
<term>Carbon Dioxide (pharmacology)</term>
<term>Fishes (physiology)</term>
<term>Hydrogen-Ion Concentration</term>
<term>Male</term>
<term>Pressure</term>
<term>Semen (physiology)</term>
<term>Sperm Motility (drug effects)</term>
<term>Sperm Motility (physiology)</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="pharmacology" xml:lang="en"><term>Carbon Dioxide</term>
</keywords>
<keywords scheme="MESH" qualifier="drug effects" xml:lang="en"><term>Sperm Motility</term>
</keywords>
<keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Fishes</term>
<term>Semen</term>
<term>Sperm Motility</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>Animals</term>
<term>Hydrogen-Ion Concentration</term>
<term>Male</term>
<term>Pressure</term>
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<front><div type="abstract" xml:lang="en">Maintenance of sperm at pH values less than approximately 7.5 inhibited the onset of motility when sperm were subsequently diluted with water; maintenance at pH values above approximately 8.2 was associated with maximal motility upon dilution with water. Within 5 approximately min of exposure to low pH buffer (pH 6.9), there was a 50% decline in sperm motility upon dilution with water suggesting that exposure to low pH interferes with motility within a time frame that may affect fertilization. In most instances, maintenance of sperm under CO(2) at a pressure of 4-5 kPa almost completely blocked their capacity for motility. Furthermore, exposing semen to increasing partial pressures of CO(2) up to about 1 kPa resulted in a marked decrease in semen pH. These observations are consistent with the findings that the buffering capacity of semen is particularly low at physiological pH, and that this low buffering capacity corresponds to the highest pH sensitivity of the capacity for sperm motility. The low seminal buffering capacity may represent a physiological adaptation in the control of sperm function. It may also represent a vulnerability to environmental hypercapnia or metabolic acidosis.</div>
</front>
</TEI>
<pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">12177152</PMID>
<DateCreated><Year>2002</Year>
<Month>08</Month>
<Day>14</Day>
</DateCreated>
<DateCompleted><Year>2003</Year>
<Month>03</Month>
<Day>31</Day>
</DateCompleted>
<DateRevised><Year>2013</Year>
<Month>11</Month>
<Day>21</Day>
</DateRevised>
<Article PubModel="Print"><Journal><ISSN IssnType="Print">0022-0949</ISSN>
<JournalIssue CitedMedium="Print"><Volume>205</Volume>
<Issue>Pt 18</Issue>
<PubDate><Year>2002</Year>
<Month>Sep</Month>
</PubDate>
</JournalIssue>
<Title>The Journal of experimental biology</Title>
<ISOAbbreviation>J. Exp. Biol.</ISOAbbreviation>
</Journal>
<ArticleTitle>Carbon dioxide and pH affect sperm motility of white sturgeon (Acipenser transmontanus).</ArticleTitle>
<Pagination><MedlinePgn>2885-90</MedlinePgn>
</Pagination>
<Abstract><AbstractText>Maintenance of sperm at pH values less than approximately 7.5 inhibited the onset of motility when sperm were subsequently diluted with water; maintenance at pH values above approximately 8.2 was associated with maximal motility upon dilution with water. Within 5 approximately min of exposure to low pH buffer (pH 6.9), there was a 50% decline in sperm motility upon dilution with water suggesting that exposure to low pH interferes with motility within a time frame that may affect fertilization. In most instances, maintenance of sperm under CO(2) at a pressure of 4-5 kPa almost completely blocked their capacity for motility. Furthermore, exposing semen to increasing partial pressures of CO(2) up to about 1 kPa resulted in a marked decrease in semen pH. These observations are consistent with the findings that the buffering capacity of semen is particularly low at physiological pH, and that this low buffering capacity corresponds to the highest pH sensitivity of the capacity for sperm motility. The low seminal buffering capacity may represent a physiological adaptation in the control of sperm function. It may also represent a vulnerability to environmental hypercapnia or metabolic acidosis.</AbstractText>
</Abstract>
<AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Ingermann</LastName>
<ForeName>R L</ForeName>
<Initials>RL</Initials>
<AffiliationInfo><Affiliation>Department of Biological Sciences and Center for Reproductive Biology, University of Idaho, Moscow 83844-3051, USA. rolfi@uidaho.edu</Affiliation>
</AffiliationInfo>
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<Author ValidYN="Y"><LastName>Holcomb</LastName>
<ForeName>M</ForeName>
<Initials>M</Initials>
</Author>
<Author ValidYN="Y"><LastName>Robinson</LastName>
<ForeName>M L</ForeName>
<Initials>ML</Initials>
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<Author ValidYN="Y"><LastName>Cloud</LastName>
<ForeName>J G</ForeName>
<Initials>JG</Initials>
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<Language>eng</Language>
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<MedlineJournalInfo><Country>England</Country>
<MedlineTA>J Exp Biol</MedlineTA>
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<ISSNLinking>0022-0949</ISSNLinking>
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<ChemicalList><Chemical><RegistryNumber>142M471B3J</RegistryNumber>
<NameOfSubstance UI="D002245">Carbon Dioxide</NameOfSubstance>
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<CitationSubset>IM</CitationSubset>
<MeshHeadingList><MeshHeading><DescriptorName UI="D000818" MajorTopicYN="N">Animals</DescriptorName>
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<MeshHeading><DescriptorName UI="D002245" MajorTopicYN="N">Carbon Dioxide</DescriptorName>
<QualifierName UI="Q000494" MajorTopicYN="Y">pharmacology</QualifierName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D005399" MajorTopicYN="N">Fishes</DescriptorName>
<QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D006863" MajorTopicYN="Y">Hydrogen-Ion Concentration</DescriptorName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D008297" MajorTopicYN="N">Male</DescriptorName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D011312" MajorTopicYN="N">Pressure</DescriptorName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D012661" MajorTopicYN="N">Semen</DescriptorName>
<QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D013081" MajorTopicYN="N">Sperm Motility</DescriptorName>
<QualifierName UI="Q000187" MajorTopicYN="N">drug effects</QualifierName>
<QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName>
</MeshHeading>
</MeshHeadingList>
</MedlineCitation>
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<Month>8</Month>
<Day>15</Day>
<Hour>10</Hour>
<Minute>0</Minute>
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<PubMedPubDate PubStatus="medline"><Year>2003</Year>
<Month>4</Month>
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Carbon dioxide and pH affect sperm motility of white sturgeon (Acipenser transmontanus).

Carbon dioxide and pH affect sperm motility of white sturgeon (Acipenser transmontanus).

Source :

English descriptors

Abstract

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki