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Biblioteca(s): |
Embrapa Meio Ambiente. |
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Data corrente: |
02/04/2018 |
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Data da última atualização: |
05/04/2018 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 2 |
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Autoria: |
SILVA, L. J. da; SOUZA, D. T.; GENUÁRIO, D. B.; VARGAS-HOYOS, H. A.; SANTOS, S. N.; ROSA, L. H.; ZUCCHI, T. D.; MELO, I. S. de. |
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Afiliação: |
SILVA, L. J., ESALQ-USP; DANILO TOSTA SOUZA, ESALQ-USP; DIEGO BONALDO GENUARIO, FAPESP; HAROLD ALEXANDER VARGAS-HOYOS, ESALQ-USP; SUIKINAI NOBRE SANTOS, FAPESP; LUIZ HENRIQUE ROSA, UFMG; TIAGO DOMINGUES ZUCCHI, Agrivalle; ITAMAR SOARES DE MELO, CNPMA. |
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Título: |
Rhodococcus psychrotolerans sp. nov., isolated from rhizosphere of Deschampsia antarctica. |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
Antonie van Leeuwenhoek, v. 111, n. 4, p. 629-636, 2018. |
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DOI: |
https://doi.org/10.1007/s10482-017-0983-7 |
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Idioma: |
Inglês |
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Conteúdo: |
A novel actinobacterium, designated strain CMAA 1533T, was isolated from the rhizosphere of Deschampsia antarctica collected at King George Island, Antarctic Peninsula. Strain CMAA 1533T was found to grow over a wide range of temperatures (4?28 °C) and pH (4?10). Macroscopically, the colonies were observed to be circular shaped, smooth, brittle and opaque-cream on most of the culture media tested. Phylogenetic analysis based on 16S rRNA gene sequences revealed that strain CMAA 1533T belongs to the family Nocardiaceae and forms a distinct phyletic line within the genus Rhodococcus. Sequence similarity calculations indicated that the novel strain is closely related to Rhodococcus degradans CCM 4446T, Rhodococcus erythropolis NBRC 15567T and Rhodococcus triatomae DSM 44892T (? 96.9%). The organism was found to contain meso-diaminopimelic acid, galactose and arabinose in whole cell hydrolysates. Its predominant isoprenologue was identified as MK-8(H2) and the polar lipids as diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine, phosphatidylinositol and phosphatidylinositol mannosides. The major fatty acids were identified as Summed feature (C16:1 ?6c and/or C16:1 ?7c), C16:0, C18:1 ?9c and 10-methyl C18:0. The G+C content of genomic DNA was determined to be 65.5 mol%. Unlike the closely related type strains, CMAA 1533T can grow at 4 °C but not at 37 °C and was able to utilise adonitol and galactose as sole carbon sources. Based on phylogenetic, chemotaxonomic and physiological data, it is concluded that strain CMAA 1533T (= NRRL B-65465T = DSM 104532T) represents a new species of the genus Rhodococcus, for which the name Rhodococcus psychrotolerans sp. nov. is proposed. MenosA novel actinobacterium, designated strain CMAA 1533T, was isolated from the rhizosphere of Deschampsia antarctica collected at King George Island, Antarctic Peninsula. Strain CMAA 1533T was found to grow over a wide range of temperatures (4?28 °C) and pH (4?10). Macroscopically, the colonies were observed to be circular shaped, smooth, brittle and opaque-cream on most of the culture media tested. Phylogenetic analysis based on 16S rRNA gene sequences revealed that strain CMAA 1533T belongs to the family Nocardiaceae and forms a distinct phyletic line within the genus Rhodococcus. Sequence similarity calculations indicated that the novel strain is closely related to Rhodococcus degradans CCM 4446T, Rhodococcus erythropolis NBRC 15567T and Rhodococcus triatomae DSM 44892T (? 96.9%). The organism was found to contain meso-diaminopimelic acid, galactose and arabinose in whole cell hydrolysates. Its predominant isoprenologue was identified as MK-8(H2) and the polar lipids as diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine, phosphatidylinositol and phosphatidylinositol mannosides. The major fatty acids were identified as Summed feature (C16:1 ?6c and/or C16:1 ?7c), C16:0, C18:1 ?9c and 10-methyl C18:0. The G+C content of genomic DNA was determined to be 65.5 mol%. Unlike the closely related type strains, CMAA 1533T can grow at 4 °C but not at 37 °C and was able to utilise adonitol and galactose as sole carbon sources. Based on phylogenetic, chemotaxonomic a... Mostrar Tudo |
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Palavras-Chave: |
Antarctic actinomycetes; CMAA 1533T; Polyphasic approach. |
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Thesagro: |
Actinomiceto; Rizosfera. |
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Categoria do assunto: |
V Taxonomia de Organismos |
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Marc: |
LEADER 02548naa a2200277 a 4500
001 2090072
005 2018-04-05
008 2018 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1007/s10482-017-0983-7$2DOI
100 1 $aSILVA, L. J. da
245 $aRhodococcus psychrotolerans sp. nov., isolated from rhizosphere of Deschampsia antarctica.$h[electronic resource]
260 $c2018
520 $aA novel actinobacterium, designated strain CMAA 1533T, was isolated from the rhizosphere of Deschampsia antarctica collected at King George Island, Antarctic Peninsula. Strain CMAA 1533T was found to grow over a wide range of temperatures (4?28 °C) and pH (4?10). Macroscopically, the colonies were observed to be circular shaped, smooth, brittle and opaque-cream on most of the culture media tested. Phylogenetic analysis based on 16S rRNA gene sequences revealed that strain CMAA 1533T belongs to the family Nocardiaceae and forms a distinct phyletic line within the genus Rhodococcus. Sequence similarity calculations indicated that the novel strain is closely related to Rhodococcus degradans CCM 4446T, Rhodococcus erythropolis NBRC 15567T and Rhodococcus triatomae DSM 44892T (? 96.9%). The organism was found to contain meso-diaminopimelic acid, galactose and arabinose in whole cell hydrolysates. Its predominant isoprenologue was identified as MK-8(H2) and the polar lipids as diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine, phosphatidylinositol and phosphatidylinositol mannosides. The major fatty acids were identified as Summed feature (C16:1 ?6c and/or C16:1 ?7c), C16:0, C18:1 ?9c and 10-methyl C18:0. The G+C content of genomic DNA was determined to be 65.5 mol%. Unlike the closely related type strains, CMAA 1533T can grow at 4 °C but not at 37 °C and was able to utilise adonitol and galactose as sole carbon sources. Based on phylogenetic, chemotaxonomic and physiological data, it is concluded that strain CMAA 1533T (= NRRL B-65465T = DSM 104532T) represents a new species of the genus Rhodococcus, for which the name Rhodococcus psychrotolerans sp. nov. is proposed.
650 $aActinomiceto
650 $aRizosfera
653 $aAntarctic actinomycetes
653 $aCMAA 1533T
653 $aPolyphasic approach
700 1 $aSOUZA, D. T.
700 1 $aGENUÁRIO, D. B.
700 1 $aVARGAS-HOYOS, H. A.
700 1 $aSANTOS, S. N.
700 1 $aROSA, L. H.
700 1 $aZUCCHI, T. D.
700 1 $aMELO, I. S. de
773 $tAntonie van Leeuwenhoek$gv. 111, n. 4, p. 629-636, 2018.
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