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 5 publications

(1 citation statement)

References 28 publications

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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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Biopreparations for the decomposition of crop residues

Rowińska,

Gutarowska,

Janas

et al. 2024

Microbial Biotechnology

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Recently, there has been growing interest in biopreparations that intensify the decomposition of crop residues. These preparations can promote nutrient cycling and soil fertility, ultimately supporting healthy plant growth and increasing agricultural productivity. However, the development and commercialization of biopreparations poses unique challenges. Producers of biopreparations struggle to develop highly effective preparations, which then face regulatory hurdles and must win market acceptance. This literature review provides up‐to‐date data on microbial preparations available commercially on the European market, along with information on current relevant regulations. Challenges for the development and commercialization of new biopreparations are also discussed. The development and commercialization of biopreparations require a comprehensive approach that addresses the complex interplay of microbial and environmental factors. The need for more specific regulations on biopreparations for decomposing crop residues, clearer instructions on their use, and further research on the overall impact of biopreparations on the soil metabolome and optimal conditions for their application were indicated. Moreover, manufacturers should prioritize the development of high‐quality products that meet the needs of farmers and address concerns about environmental impact and public acceptance.

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

Cited by 5 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

Biopreparations for the decomposition of crop residues

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

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