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Antibacterial activity of microalgae and medicinal plants against common bacteria causing diseases in fish, shellfish, canine and poultry

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Title Antibacterial activity of microalgae and medicinal plants against common bacteria causing diseases in fish, shellfish, canine and poultry
 
Creator Sraboni, Nusrat Zahan
Nayeem, Jannatul
Sikder, Suchandan
Khatoon, Helena
 
Subject Aloe vera
Antibacterial sensitivity
Chlorella
Clinacanthus nutans
Sabah snake grass
Spirulina
 
Description 553-559
Rapid growth of antimicrobial resistance is a major threat to human and animal health, and development of new drugs
with effective microbicidal properties are in demand to the scientific communities. Cyanobacteria and medicinal plants
inherit antimicrobial, antioxidant, anti-cancerous and anti-inflammatory properties. In the current research, we investigated
antibacterial potential of crude ethanolic extracts from marine microalgae (Chlorella sp. and Spirulina sp.) and medicinal
plants (Aloe vera and Clinacanthus nutans) against pathogenic bacteria isolated from chicken, dog, fish, and shellfish.
Bacteria including Salmonella sp., Aeromonas sp. and E. coli, Vibrio sp. Streptococcus sp. and Staphylococcus sp., were
isolated through colony morphology, Gram staining and VITEK-2 tests. Antibacterial activity was determined by disc
diffusion assay. Spirulina sp. showed the highest inhibition zone of 19.3±0.58 mm against Vibrio sp. compared to other
treatments, whereas Chlorella sp. exhibited maximum inhibition zone of 11.41±0.65 mm against Staphylococcus sp.,
C. nutans had antibacterial activity against Staphylococcus sp. and E. coli with the maximum zone of inhibition (14.21±1.08
and 15.10±0.21 mm), whereas Aloe vera against E. coli and Vibrio sp. with significant inhibition zone of 14.04±0.90 and
15.36±1.11mm, respectively. Minimum inhibitory concentration (MIC) of Chlorella sp. was found to be 20 mg/mL against
all the test bacteria. Spirulina sp., Aloe vera, and C. nutans had MIC values ranging from 20-40 mg/mL. These findings
highlight the antibacterial potential of native microalgae and medicinal plants against virulent bacteria that poses significant
threats in poultry, canine and aquaculture.
 
Date 2024-07-09T10:31:36Z
2024-07-09T10:31:36Z
2024-07
 
Type Article
 
Identifier 0975-1009 (Online); 0019-5189 (Print)
http://nopr.niscpr.res.in/handle/123456789/64226
https://doi.org/10.56042/ijeb.v62i07.12064
 
Language en
 
Publisher NIScPR-CSIR,India
 
Source IJEB Vol.62(07) [July 2024]