Fifty-two strains belonging to the Lactobacillus plantarum species group were identified and typed. They represented 32 clones of Lactobacillus plantarum and 7 clones of Lactobacillus pentosus. Sensitivity of all strains towards bacteriocins of four different producer strains was investigated using a deferred inhibition test (DIT). Substantial intra-specific variation in sensitivity of clones was observed towards bacteriocinogenic lactic acid bacteria producing nisin ( Lactococcus lactis ATCC 11454) or pediocin PA-1 ( Pediococcus acidilactici PAC-1.0), while none of the strains were sensitive towards the two remaining bacteriocin producers. The minimum inhibitory concentration (MIC) of nisin towards selected strains confirmed the DIT results. No correlation between the susceptibility of fourteen selected strains towards nisin and an array of antibiotics was found. The present study indicates that the variation in bacteriocin-sensitivity within target species might be a potential limitation for the application of bacteriocins as biopreservatives.
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http://dx.doi.org/10.1023/B:ANTO.0000020155.79931.d7 | DOI Listing |
Sci Rep
December 2024
Animal Biotechnology Division, National Institute of Animal Science, Rural Development Administration, Wanju, Republic of Korea.
Small intestinal organoids are similar to actual small intestines in structure and function and can be used in various fields, such as nutrition, disease, and toxicity research. However, the basal-out type is difficult to homogenize because of the diversity of cell sizes and types, and the Matrigel-based culture conditions. Contrastingly, the apical-out form of small intestinal organoids is relatively uniform and easy to manipulate without Matrigel.
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December 2024
State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Science, Jinan, 250353, People's Republic of China.
D-allulose/D-psicose is a significant rare sugar with broad applications in the pharmaceutical, food, and other industries. In this study, we cloned the D-allulose 3-epimerase (DPEase) gene from Arthrobacter globiformis M30, using pET22b as the vector. The recombinant E.
View Article and Find Full Text PDFPLoS One
December 2024
Key Laboratory of Sustainable and Development of Marine Fisheries, Ministry of Agriculture and Rural Affairs, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, PR China.
In order to study the optimal use of Lactobacillus plantarum in sea cucumber (Apostichopus japonicus), 49 days feeding trial was conducted to determine the influence of immersion bathing in different concentrations of Lactobacillus plantarum CLY-05 on body weight gain rate and non-specific immune activities. The potential effect of CLY-05 on gut microbiota was also analyzed during the immersion bathing at the optimum concentration. The results showed that the body weight growth rate of all bathing groups was higher than that of control.
View Article and Find Full Text PDFFood Sci Nutr
December 2024
Department of Food Engineering, Faculty of Engineering Ege University İzmir Turkey.
This study investigated the survival dynamics of BG24, a probiotic strain, within reconstituted skim milk (RSM) and yeast extract (YE) matrices during the spray-drying (SD) process, encompassing of inlet/outlet air temperatures. Notably, optimum SD parameters were found to be an inlet air temperature of 150°C and outlet air temperature of 83°C, that achieving high viability (92.23%), and reducing both moisture content (MC) (3.
View Article and Find Full Text PDFFoodborne Pathog Dis
December 2024
College of Veterinary Medicine, Jilin Agricultural University, Changchun, China.
Trichinellosis, a zoonotic disease transmitted through food and caused by , is a significant health concern worldwide. Therefore, developing a safe and effective vaccine to combat infection is essential. In this study, a nonantibiotic strain lacking the gene served as a live bacterial vector to deliver antigens to the host, creating a novel oral vaccine.
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