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 | Acesso ao texto completo restrito à biblioteca da Embrapa Amazônia Ocidental. Para informações adicionais entre em contato com cpaa.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Amazônia Ocidental. |
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Data corrente: |
24/01/2013 |
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Data da última atualização: |
06/02/2018 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
LANG, SHIRLEY A.; GARCIA, M. V. B.; JAMES, SAMUEL W.; SAYERS, CHARLENE W.; SHAIN, DANIEL H. |
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Afiliação: |
UNIVERSITY OF NEW JERSEY; MARCOS VINICIUS BASTOS GARCIA, CPAA; KANSAS UNIVERSITY; UNIVERSITY OF NEW JERSEY; UNIVERSITY OF NEW JERSEY. |
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Título: |
Phylogeny and Clitellar Morphology of the Giant Amazonian Earthworm, Rhinodrilus priollii (Oligochaeta: Glossoscolecidae). |
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Ano de publicação: |
2012 |
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Fonte/Imprenta: |
The American Midland Naturalist, v. 167, n 2, p. 384-395, 2012. |
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DOI: |
http://dx.doi.org/10.1674/0003-0031-167.2.384 |
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Idioma: |
Inglês |
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Conteúdo: |
The giant earthworm, Rhinodrilus priollii Righi 1967, is among the largest terrestrial invertebrates known worldwide, reaching lengths .2 m. To investigate the evolutionary history of the species and aspects of their reproductive biology, we collected R. priollii specimens from several field sites in central Amazonia. Phylogenetic analyses of 16 individuals using a fragment of cytochrome c oxidase subunit 1 (CO1) identified seven haplotypes that diverged between 2?8%. Population structures indicate episodes of gene flow between populations and their divergence within the past 1?2 million years. Histological examination of clitella from sexually mature specimens identified cocoon secretory cells throughout the dorsal and dorsoventral epidermis. Unlike previously described secretory cells, those in R. priollii contained granules with a proteinaceous core covered by external glycosylation. Further, collagenous matrices formed the bulk of swollen clitella while albumin-secreting cells were noticeably absent, collectively suggesting a mechanism of cocoon production somewhat different from that described in other clitellate megadriles |
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Palavras-Chave: |
Giant earthworm; Rhinodrilus priollii. |
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Categoria do assunto: |
-- |
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Marc: |
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024 7 $ahttp://dx.doi.org/10.1674/0003-0031-167.2.384$2DOI
100 1 $aLANG, SHIRLEY A.
245 $aPhylogeny and Clitellar Morphology of the Giant Amazonian Earthworm, Rhinodrilus priollii (Oligochaeta$bGlossoscolecidae).
260 $c2012
520 $aThe giant earthworm, Rhinodrilus priollii Righi 1967, is among the largest terrestrial invertebrates known worldwide, reaching lengths .2 m. To investigate the evolutionary history of the species and aspects of their reproductive biology, we collected R. priollii specimens from several field sites in central Amazonia. Phylogenetic analyses of 16 individuals using a fragment of cytochrome c oxidase subunit 1 (CO1) identified seven haplotypes that diverged between 2?8%. Population structures indicate episodes of gene flow between populations and their divergence within the past 1?2 million years. Histological examination of clitella from sexually mature specimens identified cocoon secretory cells throughout the dorsal and dorsoventral epidermis. Unlike previously described secretory cells, those in R. priollii contained granules with a proteinaceous core covered by external glycosylation. Further, collagenous matrices formed the bulk of swollen clitella while albumin-secreting cells were noticeably absent, collectively suggesting a mechanism of cocoon production somewhat different from that described in other clitellate megadriles
653 $aGiant earthworm
653 $aRhinodrilus priollii
700 1 $aGARCIA, M. V. B.
700 1 $aJAMES, SAMUEL W.
700 1 $aSAYERS, CHARLENE W.
700 1 $aSHAIN, DANIEL H.
773 $tThe American Midland Naturalist$gv. 167, n 2, p. 384-395, 2012.
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| 1. |  | LANG, SHIRLEY A.; GARCIA, M. V. B.; JAMES, SAMUEL W.; SAYERS, CHARLENE W.; SHAIN, DANIEL H. Phylogeny and Clitellar Morphology of the Giant Amazonian Earthworm, Rhinodrilus priollii (Oligochaeta: Glossoscolecidae). The American Midland Naturalist, v. 167, n 2, p. 384-395, 2012.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
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