Mechanism of infection by Labyrinthuloides haliotidis (Protozoa: Labyrinthomorpha), a parasite of abalone ( Haliotis kamtschatkana) (Mollusca: Gastropoda)
Biflagellated zoospores of the thraustochytrid Labyrinthuloides haliotidis (Protozoa: Labyrinthomorpha), a pathogenic parasite of juvenile abalone ( Haliotis kamtschatkana), lost their flagella on contact with the abalone host. Within 4 hr, and prior to the complete development of the ectoplasmic ne...
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| Veröffentlicht in: | Journal of invertebrate pathology 1989-05, Vol.53 (3), p.401-409 |
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| creator | Bower, S.M. McLean, N. Whitaker, D.J. |
| description | Biflagellated zoospores of the thraustochytrid
Labyrinthuloides haliotidis (Protozoa: Labyrinthomorpha), a pathogenic parasite of juvenile abalone (
Haliotis kamtschatkana), lost their flagella on contact with the abalone host. Within 4 hr, and prior to the complete development of the ectoplasmic net, sagenogenetosomes were produced and extracellular lytic activity disrupted the plasmalemma layer of host epithelial cells adjacent to the parasite. The damaged epithelial cells were lysed and the parasites entered into the resulting lesion. The ectoplasmic nets extending from the sagenogenetosomes were well developed within 24 hr and may have released lytic agents since net elements were observed deep within the cytoplasm of host cells. Nevertheless, the ectoplasmic net enabled the parasite to move into and within the head and foot tissues of the abalone. As demonstrated by their ultrastructural morphology, the motile zoospores were transformed to vegetative cells within 4 hr and binary fission was observed in the resulting vegetative cells within 24 hr. |
| doi_str_mv | 10.1016/0022-2011(89)90106-7 |
| format | Article |
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Labyrinthuloides haliotidis (Protozoa: Labyrinthomorpha), a pathogenic parasite of juvenile abalone (
Haliotis kamtschatkana), lost their flagella on contact with the abalone host. Within 4 hr, and prior to the complete development of the ectoplasmic net, sagenogenetosomes were produced and extracellular lytic activity disrupted the plasmalemma layer of host epithelial cells adjacent to the parasite. The damaged epithelial cells were lysed and the parasites entered into the resulting lesion. The ectoplasmic nets extending from the sagenogenetosomes were well developed within 24 hr and may have released lytic agents since net elements were observed deep within the cytoplasm of host cells. Nevertheless, the ectoplasmic net enabled the parasite to move into and within the head and foot tissues of the abalone. As demonstrated by their ultrastructural morphology, the motile zoospores were transformed to vegetative cells within 4 hr and binary fission was observed in the resulting vegetative cells within 24 hr.</description><identifier>ISSN: 0022-2011</identifier><identifier>EISSN: 1096-0805</identifier><identifier>DOI: 10.1016/0022-2011(89)90106-7</identifier><identifier>CODEN: JIVPAZ</identifier><language>eng</language><publisher>Amsterdam: Elsevier Inc</publisher><subject>abalone ; Biological and medical sciences ; Fundamental and applied biological sciences. Psychology ; Haliotis kamtschatkana ; Invertebrates ; Labyrinthuloides haliotidis ; Marine ; mechanism of infection ; Mollusca ; parasitic thraustochytrid ; Pathology</subject><ispartof>Journal of invertebrate pathology, 1989-05, Vol.53 (3), p.401-409</ispartof><rights>1989</rights><rights>1991 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c433t-dcd89940d21ca9b5eb8a8ea760b61475b0475237f81e34b10f2740802da165673</citedby><cites>FETCH-LOGICAL-c433t-dcd89940d21ca9b5eb8a8ea760b61475b0475237f81e34b10f2740802da165673</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/0022-2011(89)90106-7$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=19378768$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Bower, S.M.</creatorcontrib><creatorcontrib>McLean, N.</creatorcontrib><creatorcontrib>Whitaker, D.J.</creatorcontrib><title>Mechanism of infection by Labyrinthuloides haliotidis (Protozoa: Labyrinthomorpha), a parasite of abalone ( Haliotis kamtschatkana) (Mollusca: Gastropoda)</title><title>Journal of invertebrate pathology</title><description>Biflagellated zoospores of the thraustochytrid
Labyrinthuloides haliotidis (Protozoa: Labyrinthomorpha), a pathogenic parasite of juvenile abalone (
Haliotis kamtschatkana), lost their flagella on contact with the abalone host. Within 4 hr, and prior to the complete development of the ectoplasmic net, sagenogenetosomes were produced and extracellular lytic activity disrupted the plasmalemma layer of host epithelial cells adjacent to the parasite. The damaged epithelial cells were lysed and the parasites entered into the resulting lesion. The ectoplasmic nets extending from the sagenogenetosomes were well developed within 24 hr and may have released lytic agents since net elements were observed deep within the cytoplasm of host cells. Nevertheless, the ectoplasmic net enabled the parasite to move into and within the head and foot tissues of the abalone. As demonstrated by their ultrastructural morphology, the motile zoospores were transformed to vegetative cells within 4 hr and binary fission was observed in the resulting vegetative cells within 24 hr.</description><subject>abalone</subject><subject>Biological and medical sciences</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Haliotis kamtschatkana</subject><subject>Invertebrates</subject><subject>Labyrinthuloides haliotidis</subject><subject>Marine</subject><subject>mechanism of infection</subject><subject>Mollusca</subject><subject>parasitic thraustochytrid</subject><subject>Pathology</subject><issn>0022-2011</issn><issn>1096-0805</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1989</creationdate><recordtype>article</recordtype><recordid>eNp9kc2OFCEURitGE9vRN3DBRtOdWAr1Q4ELEzPRGZOe6ELX5BZQaRwKSi5t0j6KTytlT5ydG2BxODf3-6rqOaOvGWX8DaVNUzeUsa2QO0kZ5fXwoNowKnlNBe0fVpt_yOPqCeJ3Wl49l5vq943VBwgOZxIn4sJkdXYxkPFE9jCekgv5cPTRGYvkAN7F7IxDsv2SYo6_Iry9x-Ic03KA3SsCZIEE6LJdpTCCj8GSLbk-C5DcwpyxzM23EGBHtjfR-yPqYrsCzCku0cDuafVoAo_22d19UX37-OHr5XW9_3z16fL9vtZd2-baaCOk7KhpmAY59nYUICwMnI6cdUM_0nI07TAJZttuZHRqhq6k0hhgvOdDe1G9PHuXFH8cLWY1O9TWewg2HlGxvuVMiKaA3RnUKSImO6kluRnSSTGq1iLUmrJaU1ZCqr9FqNX_4s4PZUU_JQja4f1f2Q5i4KJw786cLcv-dDYp1M4GbY1LpRVlovv_oD9fIp2q</recordid><startdate>19890501</startdate><enddate>19890501</enddate><creator>Bower, S.M.</creator><creator>McLean, N.</creator><creator>Whitaker, D.J.</creator><general>Elsevier Inc</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TN</scope><scope>C1K</scope><scope>F1W</scope><scope>H95</scope><scope>H97</scope><scope>H98</scope><scope>L.G</scope><scope>M7N</scope></search><sort><creationdate>19890501</creationdate><title>Mechanism of infection by Labyrinthuloides haliotidis (Protozoa: Labyrinthomorpha), a parasite of abalone ( Haliotis kamtschatkana) (Mollusca: Gastropoda)</title><author>Bower, S.M. ; McLean, N. ; Whitaker, D.J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c433t-dcd89940d21ca9b5eb8a8ea760b61475b0475237f81e34b10f2740802da165673</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1989</creationdate><topic>abalone</topic><topic>Biological and medical sciences</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Haliotis kamtschatkana</topic><topic>Invertebrates</topic><topic>Labyrinthuloides haliotidis</topic><topic>Marine</topic><topic>mechanism of infection</topic><topic>Mollusca</topic><topic>parasitic thraustochytrid</topic><topic>Pathology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Bower, S.M.</creatorcontrib><creatorcontrib>McLean, N.</creatorcontrib><creatorcontrib>Whitaker, D.J.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Oceanic Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 3: Aquatic Pollution & Environmental Quality</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Aquaculture Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><jtitle>Journal of invertebrate pathology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Bower, S.M.</au><au>McLean, N.</au><au>Whitaker, D.J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Mechanism of infection by Labyrinthuloides haliotidis (Protozoa: Labyrinthomorpha), a parasite of abalone ( Haliotis kamtschatkana) (Mollusca: Gastropoda)</atitle><jtitle>Journal of invertebrate pathology</jtitle><date>1989-05-01</date><risdate>1989</risdate><volume>53</volume><issue>3</issue><spage>401</spage><epage>409</epage><pages>401-409</pages><issn>0022-2011</issn><eissn>1096-0805</eissn><coden>JIVPAZ</coden><abstract>Biflagellated zoospores of the thraustochytrid
Labyrinthuloides haliotidis (Protozoa: Labyrinthomorpha), a pathogenic parasite of juvenile abalone (
Haliotis kamtschatkana), lost their flagella on contact with the abalone host. Within 4 hr, and prior to the complete development of the ectoplasmic net, sagenogenetosomes were produced and extracellular lytic activity disrupted the plasmalemma layer of host epithelial cells adjacent to the parasite. The damaged epithelial cells were lysed and the parasites entered into the resulting lesion. The ectoplasmic nets extending from the sagenogenetosomes were well developed within 24 hr and may have released lytic agents since net elements were observed deep within the cytoplasm of host cells. Nevertheless, the ectoplasmic net enabled the parasite to move into and within the head and foot tissues of the abalone. As demonstrated by their ultrastructural morphology, the motile zoospores were transformed to vegetative cells within 4 hr and binary fission was observed in the resulting vegetative cells within 24 hr.</abstract><cop>Amsterdam</cop><pub>Elsevier Inc</pub><doi>10.1016/0022-2011(89)90106-7</doi><tpages>9</tpages></addata></record> |
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| subjects | abalone Biological and medical sciences Fundamental and applied biological sciences. Psychology Haliotis kamtschatkana Invertebrates Labyrinthuloides haliotidis Marine mechanism of infection Mollusca parasitic thraustochytrid Pathology |
| title | Mechanism of infection by Labyrinthuloides haliotidis (Protozoa: Labyrinthomorpha), a parasite of abalone ( Haliotis kamtschatkana) (Mollusca: Gastropoda) |
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