用极端内植物的注射可以改善在外行星条件下种植的作物物种的性能和营养质量
Marco A Molina-Montenegro1,2, Victor M Escobedo1,3, Cristian Atala4
1Centre for Integrative Ecology, Instituto de Ciencias Biológicas, Universidad de Talca, Talca, Chile.
Frontiers in plant science
|July 10, 2023
概括
来自极端环境的真菌内植物在模拟的外行星条件下增强了作物存活率和生物量. 使用这些微生物进行多种植农业可以促进植物生长和营养质量,这对于未来的太空农业至关重要.
科学领域:
- 天体生物学 天体生物学
- 植物科学 植物科学
- 微生物学 微生物学
背景情况:
- 太空探索需要在极端的外星环境中可持续生产食物.
- 内,植物内存在的微生物,可以赋予耐压力.
- 极端环境,比如阿塔卡马沙漠,拥有具有潜在农业应用的弹性内植物.
研究的目的:
- 评估阿塔卡马沙漠真菌内植物在模拟外行星条件下改善作物表现的有效性.
- 评估内菌注射对作物的营养质量和抗氧化剂含量的影响.
- 调查多种植系统对太空农业的好处.
主要方法:
- 用两种真菌内分植物的混合物对生菜,和菜进行注射.
- 在模拟的系外行星条件下作物的生长 (高紫外线,低温,低水,低氧).
- 在30天内对单种植,双种植和多种植系统进行比较.
主要成果:
- 内生菌注射显著增加了作物存活率 (15-35%) 和生物量 (30-35%).
- 多种植系统,特别是带有内菌注射的多种植系统,显示出最明显的生长益处.
- 在接种的作物中,营养质量和抗氧化剂水平 (黄类,类) 得到了提高.
结论:
- 来自极端环境的真菌内菌是一种有前途的生物技术工具,用于提高太空农业中的植物弹性.
- 对接种作物的多种植种植优化了外星农业的空间利用效率和生产力.
- 这些发现为开发未来太空任务的可持续食品系统提供了关键的见解.
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