Screening and identification of bacteriocin-like inhibitory substances producing lactic acid bacteria from fermented products

Choeisoongnern, Thiwanya; Sivamaruthi, Bhagavathi Sundaram; Sirilun, Sasithorn; Peerajan, Sartjin; Choiset, Yvan; Rabesona, Hanitra; Haertlé, Thomas; Chaiyasut, Chaiyavat

doi:10.1590/fst.13219

Cited by 9 publications

(3 citation statements)

References 38 publications

(43 reference statements)

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“…The centralized management of multiplexed devices implemented in our hospital according to relevant specifications has effectively improved some problems and achieved good results. However, with the continuous progress of work, it is found that its shortcomings are more and more distinct (Wang & Wei, 2019;Choeisoongnern et al, 2020). The centralized management involves a lot of contents and objects, and the work is complex, especially for the reusable equipment, there is usually a more complex cleaning, disinfection and inspection procedure between the recycle and reuse.…”

Section: Discussionmentioning

confidence: 99%

Application effect of centralized management combined with Information system application management in recycling, cleaning, disinfection and packaging of radiology instruments and reusable medical devices

Wang

Pan

2022

Food Sci. Technol

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To conduct centralized management combined with Information system application management in radiology instruments and reusable medical devices, and explore the promotion value of cleaning quality and work efficiency. The recycling time, cleaning quality, packaging quality and distribution errors of the devices with which centralized management combined with Information system application management (June 2019) was implemented half a year before and after in the radiology department of our hospital were collected and compared. With implementation of centralized management combined with Information system application management, the average recycling time (25.33 ± 5.64) of devices was remarkably shorter than that before implementation (42.37 ± 6.77) (P < 0.05). The yield of cleaning (94.57%) and packaging (98.91%) in the observation group were significantly higher than those in the control group (86.05%) and (87.21%) (P < 0.05). The probability of distribution error (8.70%) and recycling error (5.43%) of devices in the observation group were significantly lower than those in the control group (19.77% and 18.60%) (P < 0.05). Centralized management combined with Information system application management effectively improves the cleaning quality and work efficiency of radiology instruments and reusable instruments, indicating long-term application value.

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Section: Discussionmentioning

confidence: 99%

Application effect of centralized management combined with Information system application management in recycling, cleaning, disinfection and packaging of radiology instruments and reusable medical devices

Wang

Pan

2022

Food Sci. Technol

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“…The impact of temperature was assessed by exposing the substance to various temperatures (30-90 °C) for 15 minutes, and the pH effect was evaluated by adjusting the pH of the substance (1.5-3) in nutrient broth. Enzyme controls were prepared using phosphate buffer to purify bacteriocinlike inhibitory substances, as mentioned (Choeisoongnern et al, 2019). The potency of the substance was also monitored over several weeks against sensitive indicators using the Well-diffusion method.…”

Section: Characterization Of Bacteriocin-like Inhibitory Substance (B...mentioning

confidence: 99%

Partial purification and characterization of bacteriocin from novel Brevibacillus borstelensis sp. isolated from Donkey’s lactation

Kumari,

Sharma,

Bhardwaj

et al. 2024

JANS

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The heightened awareness of ensuring enhanced safety standards is growing in order pertaining to the avoidance of chemical food preservation. Concurrently, there is a discernible increase in the prevalence of antimicrobial resistance among foodborne pathogens, which engenders infections such as food poisoning, gastro-intestinal infections etc.. In this regard, bacteriocins present themselves as a compelling alternative for achieving both preservation and safety objectives in the realm of food science. Bacteriocins are ribosomally synthesized proteins that demonstrate inhibitory activities against a diverse spectrum of undesirable microorganisms. In the present study, a bacterium (Brevibacillus borstelensis sp.) derived from Donkey milk was scrutinized for its ability to generate a bacteriocin-like inhibitory substance (BLIS). The effectiveness of this substance was assessed against pathogens linked to foodborne/spoilage, specifically Bacillus subtilis (KK01), Staphylococcus aureus (MRSA) ,Pseudomonas aeruginosa (HCS36), and Escherichia coli (O22) .The evaluation comprised the bit/disc method followed by the Well-diffusion method. Employing a combination of phenotypic, biochemical, and molecular characteristics, including the 16S rRNA gene technique, the bacterial isolate was identified as Brevibacillus borstelensis strain 3.1 [OR272522.1]. The Bacteriocin-like inhibitory substance produced by B. borstelensiswas purified for the first time by using the chloroform extraction method, unveiling a molecular mass of 56 kDa. Further analysis examined the BLIS reactions to temperature, pH, proteolytic enzymes, and stability. The Bacteriocin-like inhibitory substance exhibited thermo-stability up to 90 °C, activity at neutral pH, sensitivity to trypsin, and partial stability up to 15 days of storage, indicating its potential as a bio-preservative for food.

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“…Similarly, Leite et al [20] described BLIS produced by Bacillus cereus LFB-FI-OCRUZ 1640, with activity against Listeria monocytoges and other Bacillus species in pineapple pulp and can be used as a potential food bio preservative. Also, Choeisoongnern et al [21] reported that BLIS produced by Pediococcus pentosaceus, and Enterococcus faecium from fermented food inhibits the growth of Carnobacterium maltraromaticum, Candida albicans, Listeria ivanovii, Listeria innocula, Pseudomonasc aeruginosa, Streptococcus mutans, and S. aureus. More recently, Pircalabioru et al [22] comprehensively reviewed bacteriocins' potential as an antimicrobial agent against infections mainly due to resistant pathogens i.e., MRSA.…”

Section: Ribosomally Synthesized Antimicrobial Peptides (Bacteriocins) and Bacteriocin-like Inhibitory Substances (Blis)mentioning

confidence: 99%

A Review on Microorganisms-Derived Products as Potential Antimicrobial Agents

Rani¹,

Saini²,

Bast³

et al. 2021

Preprint

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Microorganisms including actinomycetes, archaea, bacteria, fungi, yeast, and micro algae are the auspicious source of vital bioactive compounds. In this review, the existing state of the art re-garding antimicrobial molecules from microorganisms has been summarized. The potential an-timicrobial compounds from actinomycetes, particularly Streptomyces sp.; archaea; fungi including endophytic and marine-derived fungi, mushroom; yeast, and microalgae were briefly described. Furthermore, this review briefly summarized the activity and mode of action of bacteriocins, a ribosomally synthesized antimicrobial peptides product of Eurotium sp., Streptomyces parvulus, S. thermophiles, Lactococcus lactis, etc. Bacteriocins have inherent properties such as targeting multi-ple-drug resistant pathogens, which allows them to be considered next-generation antibiotics. Similarly, Glarea lozoyensis derived antifungal lipohexpeptides i.e., pneumocandins, inhibits 1,3-β-glucan synthase of the fungal cell wall and acts as a precursor for the synthesis of caspo-fungin, is also elaborated. In conclusion, this review highlights the possibility of using microor-ganisms as an antimicrobial resource for biotechnological, nutraceutical, and pharmaceutical ap-plications. However, more investigations are still required to separate, purify, and characterize these bioactive compounds and transfer these primary drugs into clinically approved antibiotics.

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Screening and identification of bacteriocin-like inhibitory substances producing lactic acid bacteria from fermented products

Abstract: Lactic acid bacteria (LAB) are Gram-positive rods or cocci, aerotolerant, homofermentative or heterofermentative and lactic acid producers. LAB can produce organic substances that are responsible for the unique aroma (Caplice & Fitzgerald,

Cited by 9 publications

References 38 publications

Application effect of centralized management combined with Information system application management in recycling, cleaning, disinfection and packaging of radiology instruments and reusable medical devices

Application effect of centralized management combined with Information system application management in recycling, cleaning, disinfection and packaging of radiology instruments and reusable medical devices

Partial purification and characterization of bacteriocin from novel Brevibacillus borstelensis sp. isolated from Donkey’s lactation

A Review on Microorganisms-Derived Products as Potential Antimicrobial Agents

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