Development of a microbiological preparation for crops based on <i>Bacillus pumilus</i> strains

Malkova, Angelina; Evdokimov, I. Yu.; Shirmanov, Maxim; Иркитова, А. Н.; Дудник, Д. Е.

doi:10.1051/bioconf/20213607012

Cited by 3 publications

(1 citation statement)

References 11 publications

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“…Высокая степень совместимости штаммов непосредственно влияет на возможность применения, эффективность и стабильность разрабатываемого продукта [3,4]. Важно, чтобы культуры в многоштаммовом биопрепарате не вступали в конкурентные взаимоотношения между собой, а пребывали в нейтральном или синергичном взаимодействии [5].…”

Section: Introductionunclassified

Improving the biotechnology of symbiotic bacterial concentrate

Boyarineva,

Khamagaeva

2023

Vestn. Voronež. gos. univ. inž. tehnol.

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In the field of food technology, it is currently important to obtain bacterial concentrates with high yield and viability of microbial cells. Purposeful regulation of the technological parameters of the production of bacterial preparations has a significant impact on their quality and on the quality of finished food products. The results of research on improving the technology of liquid bacterial concentrate based on symbiotic starter culture for bakery production are presented. This bacterial concentrate consists of a consortium of microorganisms characteristic of the fermentation microflora of rye starter cultures. The optimal dose of inoculate application was determined in order to increase the biomass. A feature of the technology is a new approach to inoculate preparation and biomass production. In the production of symbiotic concentrate, it is important to optimize the composition of the nutrient medium, to create conditions for the growth of mesophilic lactobacilli and yeast that do not ferment lactose, characteristic of the fermentation microflora used in bakery production. To obtain biomass, a simple and cheap nutrient medium based on curd whey is used; the inoculum is a natural symbiotic starter culture for rye bread; due to the balanced composition of the medium, the process of biomass accumulation is intensified; biomass is characterized by a high titer of viable cells. A high survival rate of cells under infrared drying conditions has been established. The starter concentrate has high enzymatic activity, good lifting power, has a high titer of mesophilic lactobacilli and yeast that do not ferment lactose.

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Section: Introductionunclassified

Improving the biotechnology of symbiotic bacterial concentrate

Boyarineva,

Khamagaeva

2023

Vestn. Voronež. gos. univ. inž. tehnol.

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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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A Newly Isolated Stress-Resistant Bacterial Strain with Potential Use in Bioremediation of Dyeing Effluents

Yang,

Zhong,

Pan

et al. 2024

Applied Sciences

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The issue of water pollution is one of the hot topics of global concern, which requires us to efficiently treat pollutants in water, especially printing and dyeing sewage. There are varieties of dyestuffs and intermediates, which are complex and difficult to degrade, and they even contain heavy metals. In this study, a bacterial strain named Q3-6 with potential for sewage treatment was isolated and its physiological, biochemical, and genomic characteristics, and potential application value, were further investigated. The genome sequence confirmed that it belongs to Bacillus thuringiensis. Strain Q3-6 has a significant decolorization effect on the dyes. The decolorization rate for Brilliant blue G-250 (0.1 g/L) and Congo Red (0.1 g/L) can reach 93.9% and 91.9%, respectively. In addition, strain Q3-6 is resistant to many kinds of antibiotics and heavy metals. Further, it has strong heat resistance, and heating at 80 °C can promote the biomass of the strain. Genomic analysis revealed the presence of genes related to heat shock proteins (GroES, GrpE, DnaJ, GroEL, DnaK, ClpB, and ClpA) in strain Q3-6. These results suggest the strain’s exceptional resilience and adaptability to intricate environments with heavy metals, antibiotics, or high-temperature environments, suggesting its pivotal role in the bioremediation of complex contaminated effluents.

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Development of a microbiological preparation for crops based on Bacillus pumilus strains

Cited by 3 publications

References 11 publications

Improving the biotechnology of symbiotic bacterial concentrate

Improving the biotechnology of symbiotic bacterial concentrate

Biopreparations for the decomposition of crop residues

A Newly Isolated Stress-Resistant Bacterial Strain with Potential Use in Bioremediation of Dyeing Effluents

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