共 33 条
Diversity of Archaea in Brazilian savanna soils
被引:20
作者:

Catao, E.
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Univ Brasilia UnB, Inst Ciencias Biol, Dept Biol Celular, Microbiol Lab, BR-70091090 Brasilia, DF, Brazil Univ Brasilia UnB, Inst Ciencias Biol, Dept Biol Celular, Microbiol Lab, BR-70091090 Brasilia, DF, Brazil

Castro, A. P.
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h-index: 0
机构:
Univ Brasilia, Enzymol Lab, Dept Cell Biol, Inst Biol, Brasilia, DF, Brazil Univ Brasilia UnB, Inst Ciencias Biol, Dept Biol Celular, Microbiol Lab, BR-70091090 Brasilia, DF, Brazil

Barreto, C. C.
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机构:
Univ Catolica Brasilia, Grad Programme Genom Sci & Biotechnol, Brasilia, DF, Brazil Univ Brasilia UnB, Inst Ciencias Biol, Dept Biol Celular, Microbiol Lab, BR-70091090 Brasilia, DF, Brazil

Krueger, R. H.
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机构:
Univ Brasilia, Enzymol Lab, Dept Cell Biol, Inst Biol, Brasilia, DF, Brazil Univ Brasilia UnB, Inst Ciencias Biol, Dept Biol Celular, Microbiol Lab, BR-70091090 Brasilia, DF, Brazil

Kyaw, C. M.
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机构:
Univ Brasilia UnB, Inst Ciencias Biol, Dept Biol Celular, Microbiol Lab, BR-70091090 Brasilia, DF, Brazil Univ Brasilia UnB, Inst Ciencias Biol, Dept Biol Celular, Microbiol Lab, BR-70091090 Brasilia, DF, Brazil
机构:
[1] Univ Brasilia UnB, Inst Ciencias Biol, Dept Biol Celular, Microbiol Lab, BR-70091090 Brasilia, DF, Brazil
[2] Univ Brasilia, Enzymol Lab, Dept Cell Biol, Inst Biol, Brasilia, DF, Brazil
[3] Univ Catolica Brasilia, Grad Programme Genom Sci & Biotechnol, Brasilia, DF, Brazil
关键词:
Archaea;
Soil;
Cerrado;
Brazilian savanna;
Molecular phylogeny;
16S rRNA gene;
MICROBIAL DIVERSITY;
CRENARCHAEOTA;
COMMUNITIES;
BACTERIA;
CERRADO;
VEGETATION;
ABUNDANCE;
REGION;
RNA;
D O I:
10.1007/s00203-013-0882-x
中图分类号:
Q93 [微生物学];
学科分类号:
071005 ;
100705 ;
摘要:
Although the richness of Bacteria and Fungi in Cerrado' soils has been reported, here we report, for the first time, the archaeal community in Cerrado's soils. DNA extracted from soil of two distinct vegetation types, a dense subtype of sensu strict (cerrado denso) and riverbank forest (mata de galeria), was used to amplify Archaea-specific 16S rRNA gene. All of the fragments sequenced were classified as Archaea into the phylum Thaumarchaeota, predominantly affiliated to groups I.1b and I.1c. Sequences affiliated to the group I.1a were found only in the soil from riverbank forest. Soils from 'cerrado denso' had greater Archaea richness than those from 'mata de galeria' based on the richness indexes and on the rarefaction curve. beta-Diversity analysis showed significant differences between the sequences from the two soil areas studied because of their different thaumarchaeal group composition. These results provide information about the third domain of life from Cerrado soils.
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页码:507 / 512
页数:6
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