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Registro Completo |
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Biblioteca(s): |
Embrapa Florestas. |
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Data corrente: |
23/09/2008 |
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Data da última atualização: |
23/09/2008 |
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Autoria: |
ROUGERIE, R.; DECAENS, T.; DEHARVENG, L.; CHIH-HAN, C.; JAMES, S.; PORCO, D.; HEBERT, P. |
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Título: |
DNA barcodes for soil animal taxonomy: transcending the final frontier. |
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Ano de publicação: |
2008 |
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Fonte/Imprenta: |
In: INTERNATIONAL COLLOQUIUM ON SOIL ZOOLOGY, 15; INTERNATIONAL COLLOQUIUM ON APTERYGOTA, 12., 2008, Curitiba. Biodiversity, conservation and sustainabele management of soil animal: abstracts. Colombo: Embrapa Florestas. Editors: George Gardner Brown; Klaus Dieter Sautter; Renato Marques; Amarildo Pasini. 1 CD-ROM. |
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Idioma: |
Inglês |
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Conteúdo: |
Soil animal communities comprise one of the largest biodiversity reservoirs in terrestrial
ecosystems and a very large proportion of species is undescribed. Soil biologists thus confront
a medium populated by probably millions of species whose discrimination remains an unfaced
challenge. While much soil biological research depends upon species diagnoses, taxonomic
expertise is collapsing. In fact, soil invertebrate identifications crystallize the four main
limitations pointed by Hebert et al. (2003): (1) that both phenotypic plasticity and genetic
variability in the characters employed for species recognition can lead to incorrect
identifications; (2) that this approach overlooks morphologically cryptic taxa, which are
common in many groups; (3) that since morphological keys are often effective only for a
particular life stage, gender or caste, many individuals cannot be identified; (4) that although
modern interactive versions represent a major advance, the use of keys often demands
such a high level of expertise that misdiagnoses are common. The aim of this review is to
present a promising approach to taxon recognition, which involves microgenomic identification
systems that involve discrimination of taxonomic units through the use of DNA sequences as
taxon ?barcodes?. The mitochondrial gene cytochrome c oxidase I (COI) has been identified
as a potential universal species barcode for animals. The taxonomic utility of this gene segment
has now been revealed in a broad range of taxonomic groups. It is used in an integrated
bioinformatics platform that supports all phases of the analytical pathway from specimen
collection to tightly validated barcode library (Ratnasingham & Hebert 2007). Current research
using this approach is in progress for soil animals and preliminary results on collembolans
and earthworms are used for illustration. We believe that barcoding of soil animals, as a
complementary tool for morphological approaches, would support soil biologists in species
identifications, stimulate accurate soil biodiversity surveys or any ecological research based
on species lists, and help soil systematists to solve taxonomic as well as phylogenetic
problems. MenosSoil animal communities comprise one of the largest biodiversity reservoirs in terrestrial
ecosystems and a very large proportion of species is undescribed. Soil biologists thus confront
a medium populated by probably millions of species whose discrimination remains an unfaced
challenge. While much soil biological research depends upon species diagnoses, taxonomic
expertise is collapsing. In fact, soil invertebrate identifications crystallize the four main
limitations pointed by Hebert et al. (2003): (1) that both phenotypic plasticity and genetic
variability in the characters employed for species recognition can lead to incorrect
identifications; (2) that this approach overlooks morphologically cryptic taxa, which are
common in many groups; (3) that since morphological keys are often effective only for a
particular life stage, gender or caste, many individuals cannot be identified; (4) that although
modern interactive versions represent a major advance, the use of keys often demands
such a high level of expertise that misdiagnoses are common. The aim of this review is to
present a promising approach to taxon recognition, which involves microgenomic identification
systems that involve discrimination of taxonomic units through the use of DNA sequences as
taxon ?barcodes?. The mitochondrial gene cytochrome c oxidase I (COI) has been identified
as a potential universal species barcode for animals. The taxonomic utility of this gene segment
has now been revealed in a broad range... Mostrar Tudo |
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Categoria do assunto: |
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Marc: |
LEADER 02973naa a2200193 a 4500
001 1314917
005 2008-09-23
008 2008 bl uuuu u00u1 u #d
100 1 $aROUGERIE, R.
245 $aDNA barcodes for soil animal taxonomy$btranscending the final frontier.
260 $c2008
520 $aSoil animal communities comprise one of the largest biodiversity reservoirs in terrestrial ecosystems and a very large proportion of species is undescribed. Soil biologists thus confront a medium populated by probably millions of species whose discrimination remains an unfaced challenge. While much soil biological research depends upon species diagnoses, taxonomic expertise is collapsing. In fact, soil invertebrate identifications crystallize the four main limitations pointed by Hebert et al. (2003): (1) that both phenotypic plasticity and genetic variability in the characters employed for species recognition can lead to incorrect identifications; (2) that this approach overlooks morphologically cryptic taxa, which are common in many groups; (3) that since morphological keys are often effective only for a particular life stage, gender or caste, many individuals cannot be identified; (4) that although modern interactive versions represent a major advance, the use of keys often demands such a high level of expertise that misdiagnoses are common. The aim of this review is to present a promising approach to taxon recognition, which involves microgenomic identification systems that involve discrimination of taxonomic units through the use of DNA sequences as taxon ?barcodes?. The mitochondrial gene cytochrome c oxidase I (COI) has been identified as a potential universal species barcode for animals. The taxonomic utility of this gene segment has now been revealed in a broad range of taxonomic groups. It is used in an integrated bioinformatics platform that supports all phases of the analytical pathway from specimen collection to tightly validated barcode library (Ratnasingham & Hebert 2007). Current research using this approach is in progress for soil animals and preliminary results on collembolans and earthworms are used for illustration. We believe that barcoding of soil animals, as a complementary tool for morphological approaches, would support soil biologists in species identifications, stimulate accurate soil biodiversity surveys or any ecological research based on species lists, and help soil systematists to solve taxonomic as well as phylogenetic problems.
700 1 $aDECAENS, T.
700 1 $aDEHARVENG, L.
700 1 $aCHIH-HAN, C.
700 1 $aJAMES, S.
700 1 $aPORCO, D.
700 1 $aHEBERT, P.
773 $tIn: INTERNATIONAL COLLOQUIUM ON SOIL ZOOLOGY, 15; INTERNATIONAL COLLOQUIUM ON APTERYGOTA, 12., 2008, Curitiba. Biodiversity, conservation and sustainabele management of soil animal: abstracts. Colombo: Embrapa Florestas. Editors: George Gardner Brown; Klaus Dieter Sautter; Renato Marques; Amarildo Pasini. 1 CD-ROM.
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Registro original: |
Embrapa Florestas (CNPF) |
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| Registros recuperados : 1.126 | |
| 43. |  | LIMA, L.; FERREIRA, L. de S.; UZEDA, M. C. Intensificação Ecológica a partir da biodiversidade local: abelhas, vespas e flores de plantas espontâneas da Mata Atlântica. In: SEMANA CIENTÍFICA JOHANNA DÖBEREINER, 19, 2019, Seropédica, RJ. Bioeconomia, diversidade e riqueza para o desenvolvimento sustentável. Caderno de resumos... Seropédica: Embrapa Agrobiologia, 2019.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Agrobiologia. |
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| 48. | | OLIVEIRA, M. R. V. de; LIMA, L. H. C. de. Padrões isoenzimáticos de Trialeurodes vaporariorum e Bemisia tabaci (Homoptera, Aleyrodidae) e de Encarsia formosa e E. lycopersici (Hymenoptera, Aphelinidae). Pesquisa Agropecuária Brasileira, Brasília, DF, v. 32, n. 7, p. 683-687, jul. 1997. Título em inglês: Isoenzyme patterns of Trialeurodes vaporariorum and Bemisia tabaci (Homoptera, Aleyrodidae) and of Encarsia formosa.| Biblioteca(s): Embrapa Unidades Centrais. |
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| 59. | | LIMA, L. C.; LIMA, L. W. F.; BARROS, D. L.; SALES, M. L. DA S.; COELHO, E. F. Crescimento do abacaxizeiro cv. BRS Imperial cultivado sob técnica de redução de dispêndio de água. In: CIENTÍFICA EMBRAPA MANDIOCA E FRUTICULTURA, 15., 2021. Mulheres na ciência desafios, oportunidades e conquistas. Cruz das Almas, BA: Embrapa Mandioca e Fruticultura, 2021. 109 f. il. PDF.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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| 60. | | LIMA, L. S.; COE, M. T.; SOARES FILHO, B. S.; CUADRA, S. V.; DIAS, L. C. P.; COSTA, M. H.; LIMA, L. S.; RODRIGUES, H. O. Feedbacks between deforestation, climate, and hydrology in the Southwestern Amazon: implications for the provision of ecosystem services. Landscape Ecology (on line)| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
| Biblioteca(s): Embrapa Clima Temperado. |
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| Registros recuperados : 1.126 | |
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