Phylogenetic positions of Mn2+-oxidizing bacteria and fungi isolated from Mn nodules in rice field subsoils

被引：30

作者：

Cahyani, Vita Ratri ^{[3
]}

Murase, Jun

Ishibashi, Eiji ^{[2
]}

Asakawa, Susumu

Kimura, Makoto ^{[1
]}

机构：

[1] Nagoya Univ, Grad Sch Bioagr Sci, Lab Soil Biol & Chem, Nagoya, Aichi 4648601, Japan

[2] Okayama Prefectural Gen Agr Ctr, Agr Expt Stn, Okayama 7090801, Japan

[3] Sebelas Maret Univ, Fac Agr, Surakarta 57126, Indonesia

来源：

BIOLOGY AND FERTILITY OF SOILS | 2009年 / 45卷 / 04期

关键词：

Acremonium; Bacteria; Burkholderia; Fungi; Manganese nodule; Manganese oxidation; Rice field; MANGANESE OXIDIZING BACTERIUM; GRADIENT GEL-ELECTROPHORESIS; 16S RIBOSOMAL-RNA; AQUATIC ENVIRONMENTS; MICROBIAL OXIDATION; STRAIN KR21-2; PADDY SOILS; PCR-DGGE; COMMUNITIES; REDUCTION;

D O I：

10.1007/s00374-008-0337-8

中图分类号：

S15 [土壤学];

学科分类号：

0903 ; 090301 ;

摘要：

We isolated manganous ion (Mn2+) oxidizing bacteria and fungi from Mn nodules collected from two Japanese rice fields. The phylogenetic position of the Mn-oxidizing bacteria and fungi was determined based on their 16S rDNA and 18S rDNA sequences, respectively. Among 39 bacterial and 25 fungal isolates, Burkholderia and Acremonium strains were the most common and dominant Mn2+-oxidizing bacteria and fungi, respectively. Majority of the Mn-oxidizing bacteria and fungi isolated from the Mn nodules belonged to the genera that had been isolated earlier from various environments. Manganese oxide depositions on Mn2+-containing agar media by these microorganisms proceeded after their colony developments, indicating that the energy produced from Mn2+ oxidation is poorly used for microbial growth.

引用

页码：337 / 346

页数：10

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