Characterisation of potential probiotic Lactobacillus strains of human origin

Španová, Alena; Turková, Kristýna; Dráb, Vladimí­r; Špano, Miroslav; Burdychová, Radka; Rittich, Bohuslav

doi:10.1016/j.jbiotec.2010.09.268

Cited by 2 publications

(3 citation statements)

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“…, 2008). Among the numerous Bacillus species, generally species of B. subtilis, B. cereus and B. lichenifirmis, have been detected from marine environments including seawater (Ivanova et al. , 1999).…”

Section: Resultssupporting

confidence: 86%

“…The genus Bacillus is widely distributed across many terrestrial and aquatic habitats including marine sediments (Mirinda et al, 2008). Among the numerous Bacillus species, generally species of B. subtilis, B. cereus and B. lichenifirmis, have been detected from marine environments including seawater (Ivanova et al, 1999). In the present study, H. elongata did not have any diversity in the type of species present on it.…”

Section: Identification Of Seaweed Microbiotacontrasting

confidence: 43%

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Study of the microbial diversity and antimicrobial properties of Irish edible brown seaweeds

Gupta¹,

Rajauria²,

Abu‐Ghannam³

2010

Int J of Food Sci Tech

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SummaryBrown Irish edible seaweeds, Himanthalia elongata, Laminaria sachharina and Laminaria digitata, were evaluated for the microbiota in raw and heat processed form. Raw seaweeds showed complete absence of aerobic mesophiles, halophiles, yeasts and molds. However, heating at 85°C for 15 min resulted in spore germination. Bacterial counts as high as 10 7 were observed for aerobic mesophiles and halophiles. Heating above 95°C for 15 min resulted in complete inactivation of surface microflora. Bacteria belonging to Bacillaceae, Paenibacillaceae, Moraxellaceae and Enterobacteriaceae family were identified by 16S rRNA sequencing. In vitro antimicrobial activity of the methanolic extracts of the seaweed on food pathogenic and food spoilage bacteria were also evaluated. The seaweeds in their raw state had almost 100% inhibition against Listeria monocytogenes; 98% and 93% inhibition was achieved against Pseudomonas aeruginosa by H. elongata and L. saccharina extracts, respectively. Heating the seaweeds resulted in the reduction of antimicrobial activity as compared to raw. The effect was more pronounced against Gram negative bacteria.

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Section: Resultssupporting

confidence: 86%

Section: Identification Of Seaweed Microbiotacontrasting

confidence: 43%

Study of the microbial diversity and antimicrobial properties of Irish edible brown seaweeds

Gupta¹,

Rajauria²,

Abu‐Ghannam³

2010

Int J of Food Sci Tech

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“…almost inhabit all ecological niche. Numerous species of Bacillus inhabit coastal and marine environments [19][20][21]. The present investigation showed that the coastal soil of Digha comprised different Bacillus spp.…”

Section: Discussionmentioning

confidence: 81%

Seasonal Fluctuation of the Population and Characterization ofBacillusspp. Isolated from the Coastal Soils of Digha, West Bengal, India

Azmi

Chatterjee

2016

International Journal of Ecology

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Seasonal fluctuation of the population ofBacillusspp. in the coastal soils of Digha, West Bengal, India, was determined and it has been found that, during summer, monsoon, and winter season, theBacilluspopulation density varied in the range of 0.01–0.236 × 106, 0.11–0.202 × 106, and 0.098–0.155 × 106, respectively. Two-way ANOVA, agglomerative hierarchial cluster (AHC) analysis, and principal component analysis (PCA) were performed to determine the diversity ofBacillusspp. in both spatial and temporal aspects. During summer season, the population ofBacillusspp. reached a comparatively higher density than monsoon or winter. Spatial variation was also exhibited among theBacillusspp. in different coastal villages. A total of 25 strains ofBacillusspp. (DSB1–DSB25) were isolated from the coastal soils of different village areas of Digha, during the study period. The isolates were characterized morphologically, physiologically, and biochemically. Colony morphology of each of the isolates was thoroughly studied. Biochemical tests along with fermentation tests, NaCl, pH, and temperature tolerance tests were done. The antibiotic sensitivity of the isolatedBacillusspp. against different standard antibiotics was also assessed. The study revealed that the coastal soils of Digha area were rich in different strains ofBacillusspp. showing significant differences in the morphophysiological and biochemical properties.

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Characterisation of potential probiotic Lactobacillus strains of human origin

Cited by 2 publications

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Study of the microbial diversity and antimicrobial properties of Irish edible brown seaweeds

Study of the microbial diversity and antimicrobial properties of Irish edible brown seaweeds

Seasonal Fluctuation of the Population and Characterization ofBacillusspp. Isolated from the Coastal Soils of Digha, West Bengal, India

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