对酸盐溶解细菌Sinorhizobium meliloti进行查和鉴定,并优化其发酵过程
Tian Xiao-Hang1, H U Xiao-Juan1, Zhang Ting-Yang1
1College of Food and Bioengineering, Henan University of Science and Technology, Luoyang 471000, Henan, China.
Ying yong sheng tai xue bao = The journal of applied ecology
|December 25, 2025
概括
一种新的溶解细菌,Sinorhizobium meliloti H9,被分离出来,以提高作物中的含量. 优化发酵实现了高可行性计数,表明可持续生物肥料的潜力.
科学领域:
- 农业微生物学 农业微生物学
- 土壤科学 土壤科学
- 生物技术是生物技术.
背景情况:
- 化学化肥对环境构成风险.
- 溶解细菌 (PSB) 为提高作物吸收提供了一个可持续的替代方案.
- 高性能PSB菌株的有限可用性阻碍了生物肥料的广泛应用.
研究的目的:
- 为了分离和描述一种新的酸盐溶解细菌.
- 优化发酵条件,以便对已识别的菌株进行高密度种植.
- 评估该菌株在开发有效的酸盐溶解生物肥料方面的潜力.
主要方法:
- 从洛阳农田中分离酸盐溶解细菌.
- 使用形态分析和16S rDNA测序识别了有前途的H9菌株.
- 优化高密度发酵参数,包括营养度,pH值,温度和注射剂大小.
主要成果:
- 这种H9菌株被确定为Sinorhizobium meliloti.
- 优化的发酵条件产生了可行的细胞密度为 (1.491±0.05) × 10-10 CFU·mL-1.
- 在最佳条件下,最大可溶含量达到71.17 mg·L-1 .
结论:
- 辛诺基菌 (Sinorhizobium meliloti H9) 是一种强大的酸盐溶解细菌.
- 优化的发酵协议使得这种有益的微生物的高密度生产成为可能.
- 菌株H9代表了开发可持续酸盐溶解生物肥料的宝贵资源.
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