Characterization of phyllosphere endophytic lactic acid bacteria reveals a potential novel route to enhance silage fermentation quality

Zhou, Hongzhang; Jia, Shangang; Gao, Yu; Li, Xiaomei; Lin, Yanli; Yang, Fuyu; Ni, Kuikui

doi:10.1038/s42003-024-05816-3

Cited by 4 publications

(1 citation statement)

References 85 publications

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“…In this study, Mothur (version v.1.30.2, https://mothur.org/wiki/calculators/, accessed on 10 November 2023) was employed to calculate the diversity (Shannon index) and richness (ACE index) of the endophytic bacterial and fungal communities in amaranth roots. A principal coordinate analysis (PCoA) was conducted using the vegan 2.6.4 package [36] in R based on the Bray-Curtis distance. Then, partial least squares discriminant analysis (PLS-DA) was conducted using the mixOmics package in R (version 3.3.1) (http://fiehnlab.ucdavis.edu/staff/kind/Statistics/Concepts/OPLS-PLSDA, accessed on 10 November 2023).…”

Section: Statistical Analysesmentioning

confidence: 99%

Response of the Endophytic Microbial Composition in Amaranthus Roots to Different Fertilization Treatments

Lin,

Yang,

Zhou

et al. 2024

Agronomy

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To explore how endophytic microbial compositions in amaranth roots are influenced by various fertilization methods and to determine whether these microbes are associated with amaranthin formation, we conducted an analysis of the endophytic microbial community structure. The roots of amaranth plants subjected to different fertilization treatments—conventional fertilization without potassium (NP), conventional fertilization without phosphorus (NK), conventional fertilization without nitrogen (PK), and balanced fertilization (NPK)—were examined. The results showed that the proportions of Streptomyces, Actinospica, and Burkholderia-Caballeronia-Paraburkholderia in the amaranth roots under the balanced fertilization (NPK) treatment were all greater than those in the amaranth roots under the nitrogen (PK), phosphorus (NK), and potassium (NP) deficiency fertilization treatments. In contrast, the proportions of Phenylobacterium, Acrocalymma, Neocosmospora, Fusarium, Acidovorax, Gibellulopsis, Cladosporium, Dactylonectria, and Gibberella in the amaranth roots under the nutrient deficiency fertilization (NP, NK, and PK) treatments were higher than those in the amaranth roots under the balanced fertilization treatment. Additionally, a significantly positive correlation was found between Streptomyces and the amaranthin content. Furthermore, Acrocalymma, Neocosmospora, and Fusarium exhibited significantly negative correlations with the amaranthin content. The above results suggested that endophytes could easily colonize in amaranth roots as beneficial microorganisms under balanced fertilization conditions. In other words, the balanced fertilization (N, P and K fertilizers are 188.0, 53.0 and 50.0 kg·hm−2, respectively) could recruit more beneficial endogenous microorganisms in amaranth roots for improving their growth and quality.

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Section: Statistical Analysesmentioning

confidence: 99%