Light and electron microscopic studies on the development of Sphaerospora colomani Baska, 1990 and Chloromyxum inexpectatum Baska, 1990.
Identifieur interne : 000720 ( PubMed/Curation ); précédent : 000719; suivant : 000721Light and electron microscopic studies on the development of Sphaerospora colomani Baska, 1990 and Chloromyxum inexpectatum Baska, 1990.
Auteurs : F. Baska [Hongrie]Source :
- Acta veterinaria Hungarica [ 0236-6290 ] ; 1993.
English descriptors
- KwdEn :
- MESH :
- growth & development : Eukaryota.
- parasitology : Fish Diseases, Protozoan Infections, Urinary Tract Infections.
- ultrastructure : Eukaryota.
- veterinary : Urinary Tract Infections.
- Animals, Fishes, Microscopy, Electron, Protozoan Infections, Animal.
Abstract
During a parasitological survey conducted on sterlets (Acipenser ruthenus L.), the developmental stages of two new coelozoic species of Myxosporea were demonstrated in the kidney and in the urinary passages. Sphaerospora colomani develops vegetative stages in the interstitial capillaries of the kidney in winter. The ultrastructure of a large primary cell containing secondary, tertiary and quaternary cells was examined. The vegetative developmental forms were located beside the tubule in the cytoplasm of the endothelial cell. The primary cell developed in the cytoplasm of the endothelial cell, making the cell greatly enlarged. Young, developing and fully vacuolated secondary cells were seen in the cytoplasm. Two tertiary cells developed in each vacuole that contained free nuclei and quaternary cells. Each developmental stage of the parasite bore processes to increase the surface. The pseudoplasmodia of Chloromyxum inexpectatum were found mainly in the lower passages and, less often, in the renal tubules of all fish specimens examined. The vegetative stages were located among the capillaries of the Bowman's capsules. The structure of the Bowman's capsule had changed due to the xenoma developing inside. A thin, shaded area represented the demarcation zone between the xenoma and the host cells. The cytoplasm of the xenoma formed by host and parasitic cells contained nuclei and young, differentiated secondary cells. In the more developed secondary cells, generally two tertiary cells developed and, later on, a quaternary cell appeared in each.
PubMed: 8116502
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Baska</name><affiliation wicri:level="3"><nlm:affiliation>Veterinary Medical Research Institute, Hungarian Academy of Sciences, Budapest.</nlm:affiliation><country>Hongrie</country><placeName><settlement type="city">Budapest</settlement><region nuts="2">Hongrie centrale</region></placeName><wicri:orgArea>Veterinary Medical Research Institute, Hungarian Academy of Sciences</wicri:orgArea></affiliation></author></analytic><series><title level="j">Acta veterinaria Hungarica</title><idno type="ISSN">0236-6290</idno><imprint><date when="1993" type="published">1993</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Animals</term><term>Eukaryota (growth & development)</term><term>Eukaryota (ultrastructure)</term><term>Fish Diseases (parasitology)</term><term>Fishes</term><term>Microscopy, Electron</term><term>Protozoan Infections (parasitology)</term><term>Protozoan Infections, Animal</term><term>Urinary Tract Infections (parasitology)</term><term>Urinary Tract Infections (veterinary)</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Eukaryota</term></keywords><keywords scheme="MESH" qualifier="parasitology" xml:lang="en"><term>Fish Diseases</term><term>Protozoan Infections</term><term>Urinary Tract Infections</term></keywords><keywords scheme="MESH" qualifier="ultrastructure" xml:lang="en"><term>Eukaryota</term></keywords><keywords scheme="MESH" qualifier="veterinary" xml:lang="en"><term>Urinary Tract Infections</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Animals</term><term>Fishes</term><term>Microscopy, Electron</term><term>Protozoan Infections, Animal</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">During a parasitological survey conducted on sterlets (Acipenser ruthenus L.), the developmental stages of two new coelozoic species of Myxosporea were demonstrated in the kidney and in the urinary passages. Sphaerospora colomani develops vegetative stages in the interstitial capillaries of the kidney in winter. The ultrastructure of a large primary cell containing secondary, tertiary and quaternary cells was examined. The vegetative developmental forms were located beside the tubule in the cytoplasm of the endothelial cell. The primary cell developed in the cytoplasm of the endothelial cell, making the cell greatly enlarged. Young, developing and fully vacuolated secondary cells were seen in the cytoplasm. Two tertiary cells developed in each vacuole that contained free nuclei and quaternary cells. Each developmental stage of the parasite bore processes to increase the surface. The pseudoplasmodia of Chloromyxum inexpectatum were found mainly in the lower passages and, less often, in the renal tubules of all fish specimens examined. The vegetative stages were located among the capillaries of the Bowman's capsules. The structure of the Bowman's capsule had changed due to the xenoma developing inside. A thin, shaded area represented the demarcation zone between the xenoma and the host cells. The cytoplasm of the xenoma formed by host and parasitic cells contained nuclei and young, differentiated secondary cells. In the more developed secondary cells, generally two tertiary cells developed and, later on, a quaternary cell appeared in each.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">8116502</PMID><DateCreated><Year>1994</Year><Month>03</Month><Day>31</Day></DateCreated><DateCompleted><Year>1994</Year><Month>03</Month><Day>31</Day></DateCompleted><DateRevised><Year>2009</Year><Month>11</Month><Day>19</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0236-6290</ISSN><JournalIssue CitedMedium="Print"><Volume>41</Volume><Issue>1-2</Issue><PubDate><Year>1993</Year></PubDate></JournalIssue><Title>Acta veterinaria Hungarica</Title><ISOAbbreviation>Acta Vet. Hung.</ISOAbbreviation></Journal><ArticleTitle>Light and electron microscopic studies on the development of Sphaerospora colomani Baska, 1990 and Chloromyxum inexpectatum Baska, 1990.</ArticleTitle><Pagination><MedlinePgn>59-72</MedlinePgn></Pagination><Abstract><AbstractText>During a parasitological survey conducted on sterlets (Acipenser ruthenus L.), the developmental stages of two new coelozoic species of Myxosporea were demonstrated in the kidney and in the urinary passages. Sphaerospora colomani develops vegetative stages in the interstitial capillaries of the kidney in winter. The ultrastructure of a large primary cell containing secondary, tertiary and quaternary cells was examined. The vegetative developmental forms were located beside the tubule in the cytoplasm of the endothelial cell. The primary cell developed in the cytoplasm of the endothelial cell, making the cell greatly enlarged. Young, developing and fully vacuolated secondary cells were seen in the cytoplasm. Two tertiary cells developed in each vacuole that contained free nuclei and quaternary cells. Each developmental stage of the parasite bore processes to increase the surface. The pseudoplasmodia of Chloromyxum inexpectatum were found mainly in the lower passages and, less often, in the renal tubules of all fish specimens examined. The vegetative stages were located among the capillaries of the Bowman's capsules. The structure of the Bowman's capsule had changed due to the xenoma developing inside. A thin, shaded area represented the demarcation zone between the xenoma and the host cells. The cytoplasm of the xenoma formed by host and parasitic cells contained nuclei and young, differentiated secondary cells. In the more developed secondary cells, generally two tertiary cells developed and, later on, a quaternary cell appeared in each.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Baska</LastName><ForeName>F</ForeName><Initials>F</Initials><AffiliationInfo><Affiliation>Veterinary Medical Research Institute, Hungarian Academy of Sciences, Budapest.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>Hungary</Country><MedlineTA>Acta Vet Hung</MedlineTA><NlmUniqueID>8406376</NlmUniqueID><ISSNLinking>0236-6290</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000818" MajorTopicYN="N">Animals</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D056890" MajorTopicYN="N">Eukaryota</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="Y">growth & development</QualifierName><QualifierName UI="Q000648" MajorTopicYN="N">ultrastructure</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D005393" MajorTopicYN="N">Fish Diseases</DescriptorName><QualifierName UI="Q000469" MajorTopicYN="Y">parasitology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D005399" MajorTopicYN="N">Fishes</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D008854" MajorTopicYN="N">Microscopy, Electron</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D011528" MajorTopicYN="N">Protozoan Infections</DescriptorName><QualifierName UI="Q000469" MajorTopicYN="N">parasitology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D011529" MajorTopicYN="Y">Protozoan Infections, Animal</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014552" MajorTopicYN="N">Urinary Tract Infections</DescriptorName><QualifierName UI="Q000469" MajorTopicYN="N">parasitology</QualifierName><QualifierName UI="Q000662" MajorTopicYN="Y">veterinary</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>1993</Year><Month>1</Month><Day>1</Day></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>1993</Year><Month>1</Month><Day>1</Day><Hour>0</Hour><Minute>1</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>1993</Year><Month>1</Month><Day>1</Day><Hour>0</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">8116502</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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