publication . Article . 2009

Diversidade genética de bactérias de rizosfera de tabaco produtoras de sideróforos

Fang Tian; Yanqin Ding; Hui Zhu; Liangtong Yao; Binghai Du;
Open Access English
  • Published: 01 Jun 2009 Journal: issn: 1517-8382, eissn: 1678-4405, Copyright policy
  • Publisher: Sociedade Brasileira de Microbiologia
Abstract
The genetic diversity of siderophore-producing bacteria of tobacco rhizosphere was studied by amplified ribosomal DNA restriction analysis (ARDRA), 16S rRNA sequence homology and phylogenetics analysis methods. Studies demonstrated that 85% of the total 354 isolates produced siderophores in iron limited liquid medium. A total of 28 ARDRA patterns were identified among the 299 siderophore-producing bacterial isolates. The 28 ARDRA patterns represented bacteria of 14 different genera belonging to six bacterial divisions, namely ?-, ?-, ?-Proteobacteria, Sphingobacteria, Bacilli,and Actinobacteria. Especially, ?-Proteobacteria consisting of Pseudomonas, Enterobacte...
Subjects
free text keywords: genetic diversity, sequenciamento de rRNA, tobacco rhizosphere, rizosfera de tabaco, rRNA sequencing, diversidade genética, Microbiology, sideróforos, QR1-502, ARDRA, siderophore
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publication . Article . 2009

Diversidade genética de bactérias de rizosfera de tabaco produtoras de sideróforos

Fang Tian; Yanqin Ding; Hui Zhu; Liangtong Yao; Binghai Du;