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 | Acesso ao texto completo restrito à biblioteca da Embrapa Agroenergia. Para informações adicionais entre em contato com cnpae.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Agroenergia. |
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Data corrente: |
12/11/2013 |
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Data da última atualização: |
21/09/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
CASTRO, V. H. L. de; SCHROEDER, L. F.; QUIRINO, B. F.; KRUGER, R. H.; BARRETO, C. C. |
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Afiliação: |
Virgilio Hipólito Lemos de Castro, UCB; Luis Felipe Schroeder, UCB; BETANIA FERRAZ QUIRINO, CNPAE; Ricardo Henrique Kruger, UnB; Cristine Chaves Barreto, UCB. |
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Título: |
Acidobacteria from oligotrophic soil from the Cerrado can grow in a wide range of carbon source concentrations. |
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Ano de publicação: |
2013 |
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Fonte/Imprenta: |
Canadian Journal of Microbiology, v. 59, p. 1-8, 2013. |
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DOI: |
10.1139/cjm-2013-0331 |
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Idioma: |
Inglês |
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Conteúdo: |
Soils from the Brazilian Cerrado are nutrient-poor, acidic, and aluminum-rich. A previous study revealed that mem-bers of the phylum Acidobacteria were predominant in these oligotrophic soils. Five acidobacteria from Cerrado soil were isolated on VL-55 medium containing 0.05% of xylan as carbon source. All isolates belong to the Acidobacteria subdivision 1, and their 16S rRNA showed similarities of 94.2%?96% with Acidobacterium capsulatum or 98.6% with Edaphobacter aggregans. All isolates were able to sustain growth in a wide range of carbon source concentrations. Growth occurred in all concentrations of arabinose, dextrose, and xylose; only one isolate did not grow on fructose. Isolates grew poorly on N-acetyl-D-glucosamine at all concentrations tested. In general, increasing concentrations of these monosaccharides did not inhibit growth rates. Isolates exhibited growth on solid medium containing xylan, carboxymethyl cellulose, and colloidal chitin; however, growth was observed on solid medium that did not contain these polysaccharides. These isolates may be able to use the solidifying agents tested (gellan gum or agar) as carbon source. This interpretation is supported by the absence of growth in liquid media containing chitin or carboxymethyl cellulose at 0.05% as sole carbon source, whereas growth in the same conditions using xylan was confirmed. |
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Palavras-Chave: |
Colloidal chitin; Oligotrophy. |
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Thesagro: |
Cerrado. |
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Thesaurus Nal: |
Acidobacteria; soil bacteria. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02103naa a2200241 a 4500
001 1971001
005 2017-09-21
008 2013 bl uuuu u00u1 u #d
024 7 $a10.1139/cjm-2013-0331$2DOI
100 1 $aCASTRO, V. H. L. de
245 $aAcidobacteria from oligotrophic soil from the Cerrado can grow in a wide range of carbon source concentrations.$h[electronic resource]
260 $c2013
520 $aSoils from the Brazilian Cerrado are nutrient-poor, acidic, and aluminum-rich. A previous study revealed that mem-bers of the phylum Acidobacteria were predominant in these oligotrophic soils. Five acidobacteria from Cerrado soil were isolated on VL-55 medium containing 0.05% of xylan as carbon source. All isolates belong to the Acidobacteria subdivision 1, and their 16S rRNA showed similarities of 94.2%?96% with Acidobacterium capsulatum or 98.6% with Edaphobacter aggregans. All isolates were able to sustain growth in a wide range of carbon source concentrations. Growth occurred in all concentrations of arabinose, dextrose, and xylose; only one isolate did not grow on fructose. Isolates grew poorly on N-acetyl-D-glucosamine at all concentrations tested. In general, increasing concentrations of these monosaccharides did not inhibit growth rates. Isolates exhibited growth on solid medium containing xylan, carboxymethyl cellulose, and colloidal chitin; however, growth was observed on solid medium that did not contain these polysaccharides. These isolates may be able to use the solidifying agents tested (gellan gum or agar) as carbon source. This interpretation is supported by the absence of growth in liquid media containing chitin or carboxymethyl cellulose at 0.05% as sole carbon source, whereas growth in the same conditions using xylan was confirmed.
650 $aAcidobacteria
650 $asoil bacteria
650 $aCerrado
653 $aColloidal chitin
653 $aOligotrophy
700 1 $aSCHROEDER, L. F.
700 1 $aQUIRINO, B. F.
700 1 $aKRUGER, R. H.
700 1 $aBARRETO, C. C.
773 $tCanadian Journal of Microbiology$gv. 59, p. 1-8, 2013.
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Embrapa Agroenergia (CNPAE) |
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