|Table of Contents|

Optimization of Fermentation Conditions for a Inorganic-Phosphorous-Solubilizing Bacterium Isolated From Cold Region

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2020年10
Page:
45-50
Research Field:
Publishing date:

Info

Title:
Optimization of Fermentation Conditions for a Inorganic-Phosphorous-Solubilizing Bacterium Isolated From Cold Region
Author(s):
ZHU Dexuan; DU Chunmei; DONG Xiwen; LI Yuting; ZHANG Xiaodan; GAO Hongyan
(College of Life Science，Jiamusi University/Institute of Applied Microbiology/China-Ukraine Joint Laboratory，Jiamusi，Heilongjiang 154007)
Keywords:
cold region; bacterium; ability of solubilize inorganic phosphorus; fermentation condition; optimization
PACS:
-
DOI:
10.11937/bfyy.20193779
Abstract:
To optimize the fermentation conditions of inorganic-phosphorous-solubilizing bacterium B51-7.The initial pH，carbon source，nitrogen source and culture temperature were choosed as the test factors.The content of soluble phosphorus in fermentation broth was determined by molybdenum blue colorimetry.The optimum combination of fermentation conditions was determined by single factor test and orthogonal test.The results showed that the highest soluble phosphorus content in the fermentation broth of strain B51-7 appeared when the initial pH 4.5，30 ℃，10 g·L-1 glucose and 0.1 g·L-1 peptone culture conditions.The optimal fermentation conditions affecting the phosphorous ability of strain B51-7 were initial pH 4.0，glucose 12 g·L-1，peptone 0.05 g·L-1，and 30 ℃.This study provided important reference basis for the development and utilization of strain B51-7 in microbial phosphate fertilizer.

References:

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Last Update: 2020-07-25