期刊
GEOMICROBIOLOGY JOURNAL
卷 36, 期 5, 页码 423-432出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/01490451.2019.1566415
关键词
Paenibacillus; soils; iron oxides weathering; iron-reducing bacteria; dissimilatory metal reduction
资金
- National Center for Scientific Research
The genus Paenibacillus was hardly described as a Fe(III)-reducing agent, only limited to reduce soluble forms or Fe inserted in poorly crystallized structures. In this study, three Paenibacillus strains capable of reducing manganese oxides in addition to iron oxides were isolated from Cameroonian and Brazilian soils. These strains reduced iron minerals from poorly crystallized 2-line ferrihydrite to well-crystallized Al-substituted and pure goethite with a significant production of soluble ferrous iron. These Paenibacillus strains, inhabitants from ferralitic temporarily waterlogged soils, could play an important role in the bioweathering of minerals and metal mobility in soils.
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