Pseudomonas putida 在不同的酸盐方案下触发的生物可用性和P-运输体,以增强玉米的生长
Tanya Singh1, Nikita Bisht2, Mohd Mogees Ansari1
1CSIR-National Botanical Research Institute (CSIR-NBRI), Rana Pratap Marg, Lucknow, 226001, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India.
Plant physiology and biochemistry : PPB
|November 10, 2024
概括
土壤微生物和有机酸能促进玉米的吸收. Pseudomonas putida 分泌葡萄糖酸,在限制的条件下增强营养的可用性和植物生长.
科学领域:
- 农业科学 农业科学
- 微生物学 微生物学
- 植物生理学 植物生理学
背景情况:
- 人类活动耗尽土壤,影响作物产量.
- 了解Zea mays中溶解的微生物机制至关重要.
- 不同的酸盐模式影响植物微生物相互作用.
研究的目的:
- 研究由Pseudomonas putida (RA) 的溶解动力学.
- 评估有机酸 (OA) 和RA对玉米生长的联合影响.
- 在限制和不可用条件下分析影响.
主要方法:
- 高性能液体染色学 (HPLC) 用于有机酸分析.
- 治疗组:RA,OA,OA+RA,以及未经治疗的对照组.
- 分析植物生长参数,生化指标和含量.
- 对载体基因 (PHT1,PHO1,PTF,PHF1) 的基因表达分析.
主要成果:
- 葡萄糖酸被确定为P. putida产生的主要OA,在P限制条件下含量最高.
- 在治疗组中观察到植物生长和生物化学参数的显著改善 (P=0.05).
- 用OA和RA治疗的植物根和芽中的含量增加.
- 用OA和RA治疗对载体基因 (PHT1,PHO1,PTF,PHF1) 的调节.
结论:
- 伪虫putida RA通过葡萄糖酸分泌有效地溶解.
- 联合应用OA和RA可提高玉米中的可用性和吸收.
- 这种协同方法促进了玉米的生长,并影响了运输基因表达.
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