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New abundant microbial groups in aquatic hypersaline environments

Ghai, Rohit ; Pašić, Lejla ; Fernández, Ana Beatriz ; Martin-Cuadrado, Ana-Belen ; Mizuno, Carolina Megumi ; McMahon, Katherine D ; Papke, R Thane ; Stepanauskas, Ramunas ; Rodriguez-Brito, Beltran ; Rohwer, Forest ; Sánchez-Porro, Cristina ; Ventosa, Antonio ; Rodríguez-Valera, Francisco

Scientific reports, 2011-10, Vol.1 (1), p.135-135, Article 135 [Periódico revisado por pares]

England: Nature Publishing Group

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Título:
New abundant microbial groups in aquatic hypersaline environments
Autor: Ghai, Rohit ; Pašić, Lejla ; Fernández, Ana Beatriz ; Martin-Cuadrado, Ana-Belen ; Mizuno, Carolina Megumi ; McMahon, Katherine D ; Papke, R Thane ; Stepanauskas, Ramunas ; Rodriguez-Brito, Beltran ; Rohwer, Forest ; Sánchez-Porro, Cristina ; Ventosa, Antonio ; Rodríguez-Valera, Francisco
Assuntos: Actinobacteria - classification ; Actinobacteria - genetics ; Actinobacteria - isolation & purification ; Base Composition ; Databases, Genetic ; Euryarchaeota - classification ; Euryarchaeota - genetics ; Euryarchaeota - isolation & purification ; Gammaproteobacteria - classification ; Gammaproteobacteria - genetics ; Gammaproteobacteria - isolation & purification ; Genomes ; Isoelectric Point ; Metagenome ; Phylogeny ; Ponds ; Protein Array Analysis ; RNA, Ribosomal, 16S - chemistry ; RNA, Ribosomal, 16S - genetics ; Saline water ; Salinity ; Seawater - chemistry ; Seawater - microbiology ; Sodium chloride ; Water Microbiology
É parte de: Scientific reports, 2011-10, Vol.1 (1), p.135-135, Article 135
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SourceType-Scholarly Journals-1
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Descrição: We describe the microbiota of two hypersaline saltern ponds, one of intermediate salinity (19%) and a NaCl saturated crystallizer pond (37%) using pyrosequencing. The analyses of these metagenomes (nearly 784 Mb) reaffirmed the vast dominance of Haloquadratum walsbyi but also revealed novel, abundant and previously unsuspected microbial groups. We describe for the first time, a group of low GC Actinobacteria, related to freshwater Actinobacteria, abundant in low and intermediate salinities. Metagenomic assembly revealed three new abundant microbes: a low-GC euryarchaeon with the lowest GC content described for any euryarchaeon, a high-GC euryarchaeon and a gammaproteobacterium related to Alkalilimnicola and Nitrococcus. Multiple displacement amplification and sequencing of the genome from a single archaeal cell of the new low GC euryarchaeon suggest a photoheterotrophic and polysaccharide-degrading lifestyle and its relatedness to the recently described lineage of Nanohaloarchaea. These discoveries reveal the combined power of an unbiased metagenomic and single cell genomic approach.
Editor: England: Nature Publishing Group
Idioma: Inglês

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New abundant microbial groups in aquatic hypersaline environments

Ghai, Rohit ; Pašić, Lejla ; Fernández, Ana Beatriz ; Martin-Cuadrado, Ana-Belen ; Mizuno, Carolina Megumi ; McMahon, Katherine D ; Papke, R Thane ; Stepanauskas, Ramunas ; Rodriguez-Brito, Beltran ; Rohwer, Forest ; Sánchez-Porro, Cristina ; Ventosa, Antonio ; Rodríguez-Valera, Francisco

England: Nature Publishing Group

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