Abstract
The microbiomes of plant are potential determinants of plant growth, productivity, and health. They provide plants with a plethora of functional capacities, namely, phytopathogens suppression, access to low-abundance nutrients, and resistance to environmental stressors. However, a comprehensive insight into the structural compositions of the bacterial abundance, diversity, richness, and function colonizing various microenvironments of plants, and specifically their association with bioactive compounds and soil edaphic factors under silicon (Si) amendment remains largely inconclusive. Here, high-throughput sequencing technology and nontargeted metabolite profiling method were adopted to test the hypotheses regarding microbiome niche abundance, diversity, richness, function, and their association with bioactive compounds and soil edaphic factors within different ecological niches (leaf, stem, root, rhizosphere, and bulk soils) under Si amendment during cane growth were we addressed. Our results demonstrated that Si correspondingly increased sugarcane theoretical production and yield, and remarkably enhanced soil nutrient status, especially Si, AP, and AK. It was also observed that bacterial diversity demonstrated tissue-dependent distribution patterns, with the bulk soil, rhizosphere soil, and root endosphere revealing the highest amount of bacterial diversity compared with the stem and leaf tissues. Moreover, Si exhibited the advantage of considerably promoting bacterial abundance in the various plant compartments. Co-occurrence interactions demonstrated that Si application has the potential to increase bacterial diversity maintenance, coexistence, and plant-soil systems bacteria connections, thereby increasing the functional diversity in the various plant tissues, which, in turn, could trigger positive growth effects in plants. Network analysis further revealed that metabolite profiles exhibited a strong association with bacterial community structures. It was also revealed that Si content had a considerable positive association with bacterial structures. Our findings suggest that the dynamic changes in microbe's community composition in different plant and soil compartments were compartment-specific. Our study provides comprehensive empirical evidence of the significance of Si in agriculture and illuminated on differential metabolite profiles and soil microbe's relationship.
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Claims 11
Claim · model-written summary
Silicon increased sugarcane theoretical production.
Not reportedComparator
Verbatim
e0“Si correspondingly increased sugarcane theoretical production and yield”
t0“sugarcane”
Claim · model-written summary
Silicon increased sugarcane yield.
Not reportedComparator
Verbatim
e0“Si correspondingly increased sugarcane theoretical production and yield”
t0“sugarcane”
Claim · model-written summary
Silicon enhanced soil nutrient status, especially Si, AP and AK.
- Taxon
- sugarcanee0
- Treatment
- Sie0
- Outcome
- soil nutrient status, especially Si, AP, and AKe0
- Direction
- enhancede0
Not reportedComparator
Verbatim
e0“Si correspondingly increased sugarcane theoretical production and yield, and remarkably enhanced soil nutrient status, especially Si, AP, and AK.”
Claim · model-written summary
Bacterial diversity was highest in bulk soil, rhizosphere and roots compared with stems and leaves.
Verbatim
e0“bacterial diversity demonstrated tissue-dependent distribution patterns, with the bulk soil, rhizosphere soil, and root endosphere revealing the highest amount of bacterial diversity compared with the stem and leaf tissues.”
t0“sugarcane”
Claim · model-written summary
Silicon promoted bacterial abundance across plant compartments.
Not reportedComparator
Verbatim
e0“Si exhibited the advantage of considerably promoting bacterial abundance in the various plant compartments.”
t0“sugarcane”
Claim · model-written summary
Silicon application could increase bacterial diversity maintenance.
Verbatim
e0“Si application has the potential to increase bacterial diversity maintenance, coexistence, and plant-soil systems bacteria connections”
t0“sugarcane”
Claim · model-written summary
Silicon application could increase bacterial coexistence.
Verbatim
e0“Si application has the potential to increase bacterial diversity maintenance, coexistence, and plant-soil systems bacteria connections”
t0“sugarcane”
Claim · model-written summary
Silicon application could increase plant-soil bacterial connections.
Verbatim
e0“Si application has the potential to increase bacterial diversity maintenance, coexistence, and plant-soil systems bacteria connections”
t0“sugarcane”
Claim · model-written summary
Metabolite profiles were strongly associated with bacterial community structures.
Not reportedMaterialGeneCompoundOrgan / stageInteractorTreatmentComparatorSettingDirection
Verbatim
e0“metabolite profiles exhibited a strong association with bacterial community structures.”
t0“sugarcane”
Claim · model-written summary
Silicon content was positively associated with bacterial structures.
Not reportedDirection
Verbatim
e0“Si content had a considerable positive association with bacterial structures.”
t0“sugarcane”
Claim · model-written summary
Microbial community composition changes were specific to plant and soil compartments.
Verbatim
e0“dynamic changes in microbe's community composition in different plant and soil compartments were compartment-specific.”
t0“sugarcane”
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Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.