ECHINOSTOMA LUISREYI N. SP. (PLATYHELMINTHES: DIGENEA) BY LIGHT AND SCANNING ELECTRON MICROSCOPY
The entire life cycle of the Brazilian Echinostoma luisreyi n. sp., of the 37–collar spine E. revolutum group, has been observed under experimental conditions. The snail Physa marmorata serves as its first natural intermediate host. This species and the planorbid Biomplalaria glabrata act as experim...
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| Veröffentlicht in: | The Journal of parasitology 2003-08, Vol.89 (4), p.800-808 |
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| creator | Maldonado, A Vieira, G. O Lanfredi, R. M |
| description | The entire life cycle of the Brazilian Echinostoma luisreyi n. sp., of the 37–collar spine E. revolutum group, has been observed under experimental conditions. The snail Physa marmorata serves as its first natural intermediate host. This species and the planorbid Biomplalaria glabrata act as experimental second intermediate hosts. The worm recovery rate was 51.3 and 0.6% for mice and hamsters, respectively, but the infection did not develop in the quail Coturnix coturnix. The natural vertebrate host is not known. The most important morphological character of the new species separating it from the other Echinostoma species studied is the oral corner spines that increase in size from the latero-oral to the ventro-oral regions. The ratio of the sizes of the smaller oral spines and the larger aboral ones was 1.7:1.0. Also, the excretory pore is radially wrinkled and dorsally subterminal. Images obtained by scanning electron microscopy confirmed the characters that differentiate the new species and the most closely related species. |
| doi_str_mv | 10.1645/GE-3095 |
| format | Article |
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SP. (PLATYHELMINTHES: DIGENEA) BY LIGHT AND SCANNING ELECTRON MICROSCOPY</title><source>MEDLINE</source><source>BioOne Complete</source><source>Jstor Complete Legacy</source><creator>Maldonado, A ; Vieira, G. O ; Lanfredi, R. M</creator><creatorcontrib>Maldonado, A ; Vieira, G. O ; Lanfredi, R. M</creatorcontrib><description>The entire life cycle of the Brazilian Echinostoma luisreyi n. sp., of the 37–collar spine E. revolutum group, has been observed under experimental conditions. The snail Physa marmorata serves as its first natural intermediate host. This species and the planorbid Biomplalaria glabrata act as experimental second intermediate hosts. The worm recovery rate was 51.3 and 0.6% for mice and hamsters, respectively, but the infection did not develop in the quail Coturnix coturnix. The natural vertebrate host is not known. The most important morphological character of the new species separating it from the other Echinostoma species studied is the oral corner spines that increase in size from the latero-oral to the ventro-oral regions. The ratio of the sizes of the smaller oral spines and the larger aboral ones was 1.7:1.0. Also, the excretory pore is radially wrinkled and dorsally subterminal. Images obtained by scanning electron microscopy confirmed the characters that differentiate the new species and the most closely related species.</description><identifier>ISSN: 0022-3395</identifier><identifier>EISSN: 1937-2345</identifier><identifier>DOI: 10.1645/GE-3095</identifier><identifier>PMID: 14533693</identifier><identifier>CODEN: JOPAA2</identifier><language>eng</language><publisher>Lawrence, KS: American Society of Parasitologists</publisher><subject>Animals ; Biological and medical sciences ; Biological taxonomies ; Biomphalaria ; Brazil ; Cercariae ; Coturnix ; Cricetinae ; Echinostoma ; Echinostoma - anatomy & histology ; Echinostoma - classification ; Echinostoma - ultrastructure ; Echinostomiasis - parasitology ; Eggs ; Esophagus ; Fundamental and applied biological sciences. Psychology ; Hamsters ; Invertebrates ; Life cycles ; Male ; Memory interference ; Mesocricetus ; Mice ; Microscopy, Electron, Scanning - veterinary ; Morphology ; Nemathelminthia. Plathelmintha ; New species ; Papillae ; Parasite hosts ; Parasitology ; Pelvic bones ; Pharynx ; Scanning electron microscopy ; Snails ; Spine ; Spines ; SYSTEMATICS-PHYLOGENETICS ; Systematics. Geographical distribution ; Uterus ; Vertebrates ; Worms</subject><ispartof>The Journal of parasitology, 2003-08, Vol.89 (4), p.800-808</ispartof><rights>American Society of Parasitologists</rights><rights>Copyright 2003 American Society of Parasitologists</rights><rights>2004 INIST-CNRS</rights><rights>Copyright Allen Press Inc. Aug 2003</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-b386t-8ba9abaf1128380c6c345c6b7edbba8bddc3e0b40a339f2e12761503ac366b1c3</citedby><cites>FETCH-LOGICAL-b386t-8ba9abaf1128380c6c345c6b7edbba8bddc3e0b40a339f2e12761503ac366b1c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://bioone.org/doi/pdf/10.1645/GE-3095$$EPDF$$P50$$Gbioone$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/3285879$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>314,777,781,800,26959,27905,27906,52344,57998,58231</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=15162859$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/14533693$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Maldonado, A</creatorcontrib><creatorcontrib>Vieira, G. O</creatorcontrib><creatorcontrib>Lanfredi, R. M</creatorcontrib><title>ECHINOSTOMA LUISREYI N. SP. (PLATYHELMINTHES: DIGENEA) BY LIGHT AND SCANNING ELECTRON MICROSCOPY</title><title>The Journal of parasitology</title><addtitle>J Parasitol</addtitle><description>The entire life cycle of the Brazilian Echinostoma luisreyi n. sp., of the 37–collar spine E. revolutum group, has been observed under experimental conditions. The snail Physa marmorata serves as its first natural intermediate host. This species and the planorbid Biomplalaria glabrata act as experimental second intermediate hosts. The worm recovery rate was 51.3 and 0.6% for mice and hamsters, respectively, but the infection did not develop in the quail Coturnix coturnix. The natural vertebrate host is not known. The most important morphological character of the new species separating it from the other Echinostoma species studied is the oral corner spines that increase in size from the latero-oral to the ventro-oral regions. The ratio of the sizes of the smaller oral spines and the larger aboral ones was 1.7:1.0. Also, the excretory pore is radially wrinkled and dorsally subterminal. Images obtained by scanning electron microscopy confirmed the characters that differentiate the new species and the most closely related species.</description><subject>Animals</subject><subject>Biological and medical sciences</subject><subject>Biological taxonomies</subject><subject>Biomphalaria</subject><subject>Brazil</subject><subject>Cercariae</subject><subject>Coturnix</subject><subject>Cricetinae</subject><subject>Echinostoma</subject><subject>Echinostoma - anatomy & histology</subject><subject>Echinostoma - classification</subject><subject>Echinostoma - ultrastructure</subject><subject>Echinostomiasis - parasitology</subject><subject>Eggs</subject><subject>Esophagus</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Hamsters</subject><subject>Invertebrates</subject><subject>Life cycles</subject><subject>Male</subject><subject>Memory interference</subject><subject>Mesocricetus</subject><subject>Mice</subject><subject>Microscopy, Electron, Scanning - veterinary</subject><subject>Morphology</subject><subject>Nemathelminthia. Plathelmintha</subject><subject>New species</subject><subject>Papillae</subject><subject>Parasite hosts</subject><subject>Parasitology</subject><subject>Pelvic bones</subject><subject>Pharynx</subject><subject>Scanning electron microscopy</subject><subject>Snails</subject><subject>Spine</subject><subject>Spines</subject><subject>SYSTEMATICS-PHYLOGENETICS</subject><subject>Systematics. Geographical distribution</subject><subject>Uterus</subject><subject>Vertebrates</subject><subject>Worms</subject><issn>0022-3395</issn><issn>1937-2345</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2003</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp10M2K2zAUBWBRWjrptPQFShEM_Vs4lSxLtrvzeFRb4Mgh9iyyciVFhoQknlrJYt6-CgkNFLoQWtyPw70HgPcYTTGL6PeCBwSl9AWY4JTEQUgi-hJMEArDgJCU3oA3zm0QQtS_1-AGR5QQlpIJ-MXzUsi6aetZBqtH0Sz4UkA5hc18Cr_Oq6xdlryaCdmWvPkBH0TBJc--wfslrERRtjCTD7DJMymFLCCveN4uaglnIl_UTV7Pl2_Bq15tnX13-W_B40_e5mVQ1YXIsyrQJGGHINEqVVr1GIcJSZBhxp9gmI7tSmuV6NXKEIt0hJS_pw8tDmOGKSLKEMY0NuQWfD7nPo3D76N1h263dsZut2pvh6PrYhozhBLs4d0_cDMcx73frQsZ9ZE4Sk_qy1mZcXButH33NK53anzuMOpOlXcF706Ve_nxknfUO7u6ukvHHny6AOWM2vaj2pu1uzqKWZjQ1LsPZ7dxh2H8Oyd-mMTpNUavh2Fv_7vPH9cLk3w</recordid><startdate>20030801</startdate><enddate>20030801</enddate><creator>Maldonado, A</creator><creator>Vieira, G. 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O</au><au>Lanfredi, R. M</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>ECHINOSTOMA LUISREYI N. SP. (PLATYHELMINTHES: DIGENEA) BY LIGHT AND SCANNING ELECTRON MICROSCOPY</atitle><jtitle>The Journal of parasitology</jtitle><addtitle>J Parasitol</addtitle><date>2003-08-01</date><risdate>2003</risdate><volume>89</volume><issue>4</issue><spage>800</spage><epage>808</epage><pages>800-808</pages><issn>0022-3395</issn><eissn>1937-2345</eissn><coden>JOPAA2</coden><abstract>The entire life cycle of the Brazilian Echinostoma luisreyi n. sp., of the 37–collar spine E. revolutum group, has been observed under experimental conditions. The snail Physa marmorata serves as its first natural intermediate host. This species and the planorbid Biomplalaria glabrata act as experimental second intermediate hosts. The worm recovery rate was 51.3 and 0.6% for mice and hamsters, respectively, but the infection did not develop in the quail Coturnix coturnix. The natural vertebrate host is not known. The most important morphological character of the new species separating it from the other Echinostoma species studied is the oral corner spines that increase in size from the latero-oral to the ventro-oral regions. The ratio of the sizes of the smaller oral spines and the larger aboral ones was 1.7:1.0. Also, the excretory pore is radially wrinkled and dorsally subterminal. Images obtained by scanning electron microscopy confirmed the characters that differentiate the new species and the most closely related species.</abstract><cop>Lawrence, KS</cop><pub>American Society of Parasitologists</pub><pmid>14533693</pmid><doi>10.1645/GE-3095</doi><tpages>9</tpages></addata></record> |
| fulltext | fulltext |
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| ispartof | The Journal of parasitology, 2003-08, Vol.89 (4), p.800-808 |
| issn | 0022-3395 1937-2345 |
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| source | MEDLINE; BioOne Complete; Jstor Complete Legacy |
| subjects | Animals Biological and medical sciences Biological taxonomies Biomphalaria Brazil Cercariae Coturnix Cricetinae Echinostoma Echinostoma - anatomy & histology Echinostoma - classification Echinostoma - ultrastructure Echinostomiasis - parasitology Eggs Esophagus Fundamental and applied biological sciences. Psychology Hamsters Invertebrates Life cycles Male Memory interference Mesocricetus Mice Microscopy, Electron, Scanning - veterinary Morphology Nemathelminthia. Plathelmintha New species Papillae Parasite hosts Parasitology Pelvic bones Pharynx Scanning electron microscopy Snails Spine Spines SYSTEMATICS-PHYLOGENETICS Systematics. Geographical distribution Uterus Vertebrates Worms |
| title | ECHINOSTOMA LUISREYI N. SP. (PLATYHELMINTHES: DIGENEA) BY LIGHT AND SCANNING ELECTRON MICROSCOPY |
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