Optimizing Bacillus circulans Xue-113168 for biofertilizer production and its effects on crops

Xue, Sheng; Miao, Liantian; Ma, Yujie; Du, Yan; Yan, Huiwen

doi:10.5897/ajb2016.15255

Cited by 4 publications

(1 citation statement)

References 28 publications

(32 reference statements)

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“…As an ecological niche, the rhizosphere is characterized by plant-based selection, interplay for space and nutrients and strees. CGMCC5515 belong to PGPR, and the compound microbial fertilizer with biological pesticide function made by CGMCC5515 [4] has been put into production in China. The gyrB , encoding subunit protein of DNA gyrase , a typeII DNA topisomerase, commonly found in bacteria.…”

Section: Introductionmentioning

confidence: 99%

Isolation and characterisation of lead-resistant bacteria from a reverse screen model of simulation soil rice culture

Xue¹,

Meng²,

Xie³

et al. 2017

Proceedings of the 2017 6th International Conference on Energy and Environmental Protection (ICEEP 2017)

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Abstract. CGMCC5515(Rif r ) were domesticated step by step. Pb-resistant bacteria (PbRB) of CGMCC5515 were selected in directional enrichment and screened with TTC from the pot rice rhizosphere soil with lead and other remediate material, the reverse screen model of simulation soil rice culture with reproducible TTC-detective method could be used as a tool in the R & D of bioremediate agent of lead-polluted soil. The PbRB with lead tolerance 1500 mg L -1 were identified as B. subtilis on the basis of morphological, biochemical and partial sequencing of their 16S rRNA and gyrB genes. Multiple stress tolerant CGMCC5515 immobilizated in alginate beads, formulated with biochar, attapulgite humic acid, reduced the pb of rice seeding to normal level. These results have reinforced the biotechnological potential of CGMCC5515 as a biological control agent.

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Section: Introductionmentioning

confidence: 99%

Isolation and characterisation of lead-resistant bacteria from a reverse screen model of simulation soil rice culture

Xue¹,

Meng²,

Xie³

et al. 2017

Proceedings of the 2017 6th International Conference on Energy and Environmental Protection (ICEEP 2017)

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Promotion of the growth and yield of Zea mays by synthetic microbial communities from Jala maize

De la Vega-Camarillo,

Sotelo-Aguilar,

Rios-Galicia

et al. 2023

Front. Microbiol.

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Plant growth-promoting bacteria (PGPB) are a source of nutrient supply, stimulate plant growth, and even act in the biocontrol of phytopathogens. However, these phenotypic traits have rarely been explored in culturable bacteria from native maize landraces. In this study, synthetic microbial communities (SynCom) were assembled with a set of PGPB isolated from the Jala maize landrace, some of them with additional abilities for the biocontrol of phytopathogenic fungi and the stimulation of plant-induced systemic resistance (ISR). Three SynCom were designed considering the phenotypic traits of bacterial strains, including Achromobacter xylosoxidans Z2K8, Burkholderia sp. Z1AL11, Klebsiella variicola R3J3HD7, Kosakonia pseudosacchari Z2WD1, Pantoea ananatis E2HD8, Pantoea sp. E2AD2, Phytobacter diazotrophicus Z2WL1, Pseudomonas protegens E1BL2, and P. protegens E2HL9. Plant growth promotion in gnotobiotic and greenhouse seedlings assays was performed with Conejo landrace; meanwhile, open field tests were carried out on hybrid CPL9105W maize. In all experimental models, a significant promotion of plant growth was observed. In gnotobiotic assays, the roots and shoot length of the maize seedlings increased 4.2 and 3.0 times, respectively, compared to the untreated control. Similarly, the sizes and weights of the roots and shoots of the plants increased significantly in the greenhouse assays. In the open field assay performed with hybrid CPL9105W maize, the yield increased from 11 tons/ha for the control to 16 tons/ha inoculated with SynCom 3. In addition, the incidence of rust fungal infections decreased significantly from 12.5% in the control to 8% in the treatment with SynCom 3. All SynCom designs promoted the growth of maize in all assays. However, SynCom 3 formulated with A. xylosoxidans Z2K8, Burkholderia sp. Z1AL11, K. variicola R3J3HD7, P. ananatis E2HD8, P. diazotrophicus Z2WL1, and P. protegens E1BL2 displayed the best results for promoting plant growth, their yield, and the inhibition of fungal rust. This study demonstrated the biotechnological eco-friendly plant growth-promoting potential of SynCom assemblies with culturable bacteria from native maize landraces for more sustainable and economic agriculture.

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Solid-State Fermentation: Applications and Future Perspectives for Biostimulant and Biopesticides Production

et al. 2023

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With the expansion of the green products market and the worldwide policies and strategies directed toward a green revolution and ecological transition, the demand for innovative approaches is always on the rise. Among the sustainable agricultural approaches, microbial-based products are emerging over time as effective and feasible alternatives to agrochemicals. However, the production, formulation, and commercialization of some products can be challenging. Among the main challenges are the industrial production processes that ensure the quality of the product and its cost on the market. In the context of a circular economy, solid-state fermentation (SSF) might represent a smart approach to obtaining valuable products from waste and by-products. SSF enables the growth of various microorganisms on solid surfaces in the absence or near absence of free-flowing water. It is a valuable and practical method and is used in the food, pharmaceutical, energy, and chemical industries. Nevertheless, the application of this technology in the production of formulations useful in agriculture is still limited. This review summarizes the literature dealing with SSF agricultural applications and the future perspective of its use in sustainable agriculture. The survey showed good potential for SSF to produce biostimulants and biopesticides useful in agriculture.

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Optimizing Bacillus circulans Xue-113168 for biofertilizer production and its effects on crops

Cited by 4 publications

References 28 publications

Isolation and characterisation of lead-resistant bacteria from a reverse screen model of simulation soil rice culture

Isolation and characterisation of lead-resistant bacteria from a reverse screen model of simulation soil rice culture

Promotion of the growth and yield of Zea mays by synthetic microbial communities from Jala maize

Solid-State Fermentation: Applications and Future Perspectives for Biostimulant and Biopesticides Production

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