Involvement of Enterococcus species in streptococcosis of Nile tilapia in Bangladesh

Akter, Tasmina; Foysal, Javed; Alam, Mohammad Nurul; Ehsan, Rakib; Paul, Sulav Indra; Momtaz, Farhana; Siddik, Muhammad A.B.; Tay, Chin Yen; Fotedar, Ravi; Gupta, Sanjay Kumar; Islam, Tofazzal; Rahman, Mahbubur

doi:10.1016/j.aquaculture.2020.735790

Cited by 16 publications

(10 citation statements)

References 38 publications

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“…Toxic metals and harmful microorganisms can cause’ serious toxicity for aquatic lives such as tissue damage, DNA damage, restlessness, hyperactivity, neurotoxicity, cellular damage, genotoxicity etc. [ 18 , 27 , 79 , 230 , 240 , 241 ]. Cr in fish in Buriganga River was found to cause genotoxic and other serious toxic effects [ 242 ].…”

Section: Toxicity For Human Health and Ecologymentioning

confidence: 99%

Urban river pollution in Bangladesh during last 40 years: potential public health and ecological risk, present policy, and future prospects toward smart water management

Uddin

Jeong

2021

Heliyon

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River water is very much important for domestic, agriculture and industrial use in Bangladesh which is in critical condition from long time based on research data. During last 40 years, extreme pollution events occurred in peripheral rivers surrounding Dhaka city and Karnaphuli River in Chittagong city. Present data showed that other urban rivers are also in critical condition especially Korotoa, Teesta, Rupsha, Pashur and Padma. The pollutants flowing with water made a severe pollution in downstream areas of rivers. Metals concentrations in river water was found to be higher in dry season. Dissolve oxygen (DO) was nearly zero in Buriganga River and several points in Turag, Balu, Sitalakhya and Karnaphuli River. NO 3 - , NO 2 - and PO 4 3- pollution occurred in different rivers. Zn, Cu, Fe, Pb, Cd, Ni, Mn, As and Cr concentration was above drinking water standard in most of the river and some metals was even above irrigation standard in water from several rivers. Sediment data showed very much higher metal concentrations in most of the rivers especially peripheral rivers in Dhaka and Karnaphuli, Korotoa, Teesta, Rupsha and Meghna River. Metal concentrations in sediment was above US EPA threshold value in most of the rivers. Metal concentrations in fish and agricultural crops showed that bioaccumulations of metals had occurred. The concentration of metals showed the trend like: water

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Section: Toxicity For Human Health and Ecologymentioning

confidence: 99%

Urban river pollution in Bangladesh during last 40 years: potential public health and ecological risk, present policy, and future prospects toward smart water management

Uddin

Jeong

2021

Heliyon

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“…( 9 ). Among the bacterial diseases, streptococcosis is considered a major threat, causing substantial annual losses in tilapia production worldwide ( 10 – 12 ). Streptococcus iniae , S. agalactiae , S. parauberis , and S. dysgalactiae are recognized as the prominent causative agents of streptococcosis in different geographical regions ( 13 – 16 ).…”

Section: Introductionmentioning

confidence: 99%

“… Streptococcus iniae , S. agalactiae , S. parauberis , and S. dysgalactiae are recognized as the prominent causative agents of streptococcosis in different geographical regions ( 13 – 16 ). In addition, Lactococcus garvieae , Vagococcus sp., Enterococcus faecalis , E. faecium , and E. hirae have also been reported as notable causative agents of streptococcosis in Asian countries such as India ( 17 ), Bangladesh ( 10 , 11 , 18 ), Philippines ( 19 ), and Indonesia ( 20 ) as well as an African country, Egypt ( 21 , 22 ). Enterococci were previously classified as streptococci of Lancefield group D ( 23 ).…”

Section: Introductionmentioning

confidence: 99%

Suppression of Streptococcosis and Modulation of the Gut Bacteriome in Nile Tilapia (Oreochromis niloticus) by the Marine Sediment Bacteria Bacillus haynesii and Advenella mimigardefordensis

et al. 2022

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“…It has the highest protein content (17.5%) among the freshwater fishes 7 and more productivity (1976.21 kg ha −1 /90 days) 6 in commercial aquaculture. Overcrowding tends to more than 300 kg ha −1 6 adversely affect the nonspecific immune system 8 of fishes as well as fish become more susceptible to diseases especially motile Aeromonas septicemia 9 , streptococcosis 10 . Bacterial diseases hamper the colossal amount of fish production in aquaculture, and application of the chemicals such as antibiotics in health management is commonly practiced 11 .…”

Section: Introductionmentioning

confidence: 99%

Gut probiotic bacteria of Barbonymus gonionotus improve growth, hematological parameters and reproductive performances of the host

Salam

Islam

Paul

et al. 2021

Sci Rep

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This study aimed to isolate and identify probiotic bacteria from the gut of Barbonymus gonionotus and evaluate their effects on growth, hematological parameters, and breeding performances of the host. Five probiotic bacteria viz. Enterococcus xiangfangensis (GFB-1), Pseudomonas stutzeri (GFB-2), Bacillus subtilis (GFB-3), Citrobacter freundii (GFB-4), and P. aeruginosa (GFB-5) were isolated and identified using 16S rRNA gene sequencing. Application of a consortium of probiotic strains (1–3 × 1.35 × 109 CFU kg−1) or individual strain such as GFB-1 (1.62 × 109 CFU kg−1), GFB-2 (1.43 × 109 CFU kg−1), GFB-3 (1.06 × 109 CFU kg−1), GFB-4 (1.5 × 109 CFU kg−1) or GFB-5 (1.43 × 109 CFU kg−1feed) through feed significantly improved growth, histological and hematological parameters and reproductive performances of B. gonionotus compared to untreated control. Moreover, the application of these probiotics significantly increased gut lactic acid bacteria and activities of digestive enzymes but did not show any antibiotic resistance nor any cytotoxicity in vitro. The highest beneficial effects on treated fishes were recorded by the application of GFB-1, GFB-2, GFB-3, and a consortium of these bacteria (T2). This is the first report of the improvement of growth and health of B. gonionotus fishes by its gut bacteria.

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Involvement of Enterococcus species in streptococcosis of Nile tilapia in Bangladesh

Cited by 16 publications

References 38 publications

Urban river pollution in Bangladesh during last 40 years: potential public health and ecological risk, present policy, and future prospects toward smart water management

Urban river pollution in Bangladesh during last 40 years: potential public health and ecological risk, present policy, and future prospects toward smart water management

Suppression of Streptococcosis and Modulation of the Gut Bacteriome in Nile Tilapia (Oreochromis niloticus) by the Marine Sediment Bacteria Bacillus haynesii and Advenella mimigardefordensis

Gut probiotic bacteria of Barbonymus gonionotus improve growth, hematological parameters and reproductive performances of the host

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