在盐应激下,植物基因组和微生物在根球中的相互作用:一篇综述
Yi Ren1,2, He Yan2, Aiyuan Ma2
1Jiangsu Engineering Research Center for Soil Utilization and Sustainable Agriculture, Jiangsu Center for Collaborative Innovation in Geographical Information Resource Development and Application, Nanjing Normal University, Nanjing, China.
Frontiers in plant science
|January 23, 2026
概括
土壤盐化严重影响作物产量. 这篇评论探讨了植物基因组和有益的土壤微生物,如植物增长促进的树枝细菌 (PGPR) 和树菌真菌 (AMF) 如何相互作用,以增强植物对盐应激的弹性.
科学领域:
- 植物科学 植物科学
- 微生物学 微生物学
- 基因组学就是基因组学.
背景情况:
- 土壤盐化是农业面临的一个重大挑战,它降低了作物生产率,并威胁到全球粮食安全.
- 盐应激会导致植物的复杂生理损伤,包括离子失衡,透应激和氧化损伤.
- 植物拥有基因组机制,并与树根球微生物相互作用,以减轻盐的压力影响.
研究的目的:
- 审查目前对植物基因组和根球微生物组在盐应激下相互作用的理解.
- 突出植物生长促进根茎细菌 (PGPR),树状菌根真菌 (AMF) 和微生物挥发物的作用.
- 讨论基因组规模的策略及其在开发耐盐作物的应用.
主要方法:
- 文献综述综合了盐度下植物微生物相互作用的进展.
- 分析植物基因表达和根结构的微生物调制.
- 讨论基因组规模的策略,如转录学,GWAS和CRISPR.
主要成果:
- 在PGPR (例如, *Enterobacter* sp. SA187, *Bacillus velezensis*) 调节与压力相关的基因和抗氧化酶,增强植物的弹性.
- 微生物调节植物的压力信号通路 (SOS,ABA) 并影响根结构.
- 根排泄物在盐的压力下转移,丰富有益的微生物 (例如,Sphingomonas,Streptomyces),而挥发性化合物有助于全身应激反应.
结论:
- 协同作用的植物微生物相互作用对于植物适应盐水土壤至关重要.
- 了解这些相互作用为设计耐盐作物提供了基础.
- 这些知识支持对盐水环境的可持续农业实践的发展.
相关概念视频
Responses to Salt Stress
14.5K
Salt stress—which can be triggered by high salt concentrations in a plant’s environment—can significantly affect plant growth and crop production by influencing photosynthesis and the absorption of water and nutrients.
14.5K
Determining the pH of Salt Solutions
47.2K
The pH of a salt solution is determined by its component anions and cations. Salts that contain pH-neutral anions and the hydronium ion-producing cations form a solution with a pH less than 7. For example, in ammonium nitrate (NH4NO3) solution, NO3− ions do not react with water whereas NH4+ ions produce the hydronium ions resulting in the acidic solution. In contrast, salts that contain pH-neutral cations and the hydroxide ion-producing anions form a solution with a pH greater than 7. For...
47.2K
Review and Preview
8.3K
In statistics, several tools are used to interpret the data. Measures of central tendency represent the characteristics of the data, such as mean, median, and mode. Additionally, measures of variance like standard deviation and range are used to find the spread of data from the mean. Relative standing measures the distance between data locations. Commonly used measures of relative standings are percentile, z score, and quartiles.
Percentiles are a type of fractile that partition data into...
Percentiles are a type of fractile that partition data into...
8.3K
Review and Preview
10.9K
Data are individual items of information obtained from a population or sample. Data may be classified as qualitative (categorical), quantitative continuous, or quantitative discrete. Because it is not practical to measure the entire population in a study, researchers use samples to represent the population. A random sample is a representative group from the population chosen by using a method that gives each individual in the population an equal chance of being included in the sample. Random...
10.9K
Genomics
39.8K
Genomics is the science of genomes: it is the study of all the genetic material of an organism. In humans, the genome consists of information carried in 23 pairs of chromosomes in the nucleus, as well as mitochondrial DNA. In genomics, both coding and non-coding DNA is sequenced and analyzed. Genomics allows a better understanding of all living things, their evolution, and their diversity. It has a myriad of uses: for example, to build phylogenetic trees, to improve productivity and...
39.8K
Comparing Mitochondrial, Chloroplast, and Prokaryotic Genomes
15.4K
The present-day mitochondrial and chloroplast genomes have retained some of the characteristics of their ancestral prokaryotes and also have acquired new attributes during their evolution within eukaryotic cells. Like prokaryotic genomes, mitochondrial and chloroplast genomes neither bind with histone-like proteins nor show complex packaging into chromosome-like structures, as observed in eukaryotes. Unlike mitotic cell divisions observed in eukaryotic cells, mitochondria and chloroplasts...
15.4K


