米曲霉和臭曲霉在碱性条件下对磷矿粉的溶解作用
Rock phosphate solubilization under alkaline conditions by Aspergillus japonicus and A. foetidus.
作者信息
Singal R, Gupta R, Saxena R K
机构信息
Department of Microbiology, University of Delhi South Campus, India.
出版信息
Folia Microbiol (Praha). 1994;39(1):33-6. doi: 10.1007/BF02814526.
PMID:8181779
Abstract
Aspergillus japonicus and A. foetidus were found to solubilize five types of Indian rock phosphates at pH 8 and 9. Solubilization was higher in the presence of pyrite than in controls lacking either pyrite or fungal inoculum. Both the aspergilli were found to be good pyrite solubilizers and could grow over a wide pH range. Solubilization of rock phosphates was the result of organic acid release and pyrite oxidation.
摘要
已发现日本曲霉和臭曲霉在pH值为8和9时能溶解五种类型的印度磷矿粉。在有黄铁矿存在的情况下，溶解作用比在缺乏黄铁矿或真菌接种物的对照中更高。已发现这两种曲霉都是良好的黄铁矿溶解菌，并且能在较宽的pH范围内生长。磷矿粉的溶解是有机酸释放和黄铁矿氧化的结果。
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