从矮人世纪植物中分离的新型Bacillus和Prestia可提高作物产量和耐盐度
Sanjoy Kumar Dhar1, Jaspreet Kaur1, Gajendra Bahadur Singh1
1University Institute of Biotechnology, Chandigarh University, Mohali, Punjab, 140413, India.
Scientific reports
|June 25, 2024
概括
来自Agave desmettiana的新型内菌增强了在盐水条件下小麦的生长和产量. 这些耐盐微生物为提高作物弹性和全球粮食安全提供了可持续的解决方案.
科学领域:
- 微生物学 微生物学
- 植物科学 植物科学
- 农业学是一种农业学.
背景情况:
- 土壤盐度对全球粮食生产构成重大威胁,特别是影响小麦等主食作物.
- 与抗压植物相关的有益微生物为增强作物弹性提供了一个可持续的战略.
- 阿加维desmettiana Jacobi含有内性细菌,有可能用于农业应用.
研究的目的:
- 从Agave desmettiana中分离和描述具有植物生长促进 (PGP) 和盐耐受性特征的新型内菌.
- 评估这些内植物在增强小麦发芽,生长和在盐水压力下产量的有效性.
- 探索未充分利用的植物微生物组的潜力,以开发可持续的农业解决方案.
主要方法:
- 从Agave desmettiana中分离和识别内性细菌.
- 对促进植物生长的特征的评估:-3-酸的产生,氨的合成,的溶解,ACC除氨酶的活性,生物膜的形成,酸盐的溶解,固化和化的产生.
- 在盐水条件下的实地试验中,评估细菌对盐的耐受性及其对小麦种子发芽,苗木生长和产量的影响.
主要成果:
- 两种新型内菌细菌菌株Bacillus cereus (ADJ1) 和Priestia aryabhattai (ADJ6) 被分离并进行了表征.
- 这两种菌株都表现出显著的PGP特征,包括高的英多尔-3-酸和氨产量,溶解,ACC除氨酶产量和生物膜形成.
- 用ADJ1和ADJ6开的小麦种子在实地试验中显示出增强的发芽,增长的改善,以及显著增加的产量,显示出高盐耐受性 (高达1.03M).
结论:
- 来自Agave desmettiana的内菌Bacillus cereus (ADJ1) 和Priestia aryabhattai (ADJ6) 具有强大的植物生长促进和盐耐受能力.
- 这些内植物有效地改善小麦发芽,生长和在盐酸压力下产量,提供一种可持续的方法来提高作物弹性.
- 利用像Agave desmettiana这样的耐压植物中的内菌是一种有前途的策略,以减轻土壤盐化对全球粮食安全的影响.
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