Mechanisms of the Beneficial Effects of Probiotic Bacillus spp. in Aquaculture

Kawser, A. Q. M. Robiul; Islam, Tofazzal; Alam, Md. Shah; Rahman, Mohammad Mafizur; Salam, Mohammad Abdus

doi:10.1007/978-3-030-85465-2_20

Cited by 4 publications

(6 citation statements)

References 292 publications

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“…The competition between probiotics and pathogenic microorganisms for nutrients and energy results in the competitive exclusion of the less fit organism (Kawser et al. 2022).…”

Section: Discussionmentioning

confidence: 99%

“…Administration of Bacillus spp. in aquaculture removes different forms of nitrogen from aquaculture wastewater through ammonification (Nimrat et al 2012;Zokaeifar et al 2014;Huia et al 2019), through nitrification (Rout et al 2017), and through denitrification (Verbaenderta et al 2011), as well as nitrogen fixation, and increases water quality (Balcazar et al 2006;Zink et al 2011;Nimrat et al 2012;Devaraja et al 2013;Divya et al 2015;Kawser et al 2022).…”

Section: Temperaturementioning

confidence: 99%

“…The PM48 treatment, which involved inoculating the water 48 h prior to transportation, showed a higher bacterial load compared with the control group before transportation. The competition between probiotics and pathogenic microorganisms for nutrients and energy results in the competitive exclusion of the less fit organism (Kawser et al 2022).…”

Section: Time Pointmentioning

confidence: 99%

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Improvement of water quality with probiotics inclusion during simulated transport of Yellowfin Seabream Acanthopagrus latus larvae

Gamoori,

Rashidian,

Ahangarzadeh

et al. 2023

J Aqua Anim Hlth

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The expansion of marine aquaculture requires the shipment of early life stages from hatcheries to breeding centers. Thus, maintaining water quality parameters during transportation is crucial. This experiment investigated the effects of a commercial probiotic mixture (PM) (consisting of Bacillus licheniformis, Bacillus subtilis, Pedicoccus acidilactici, and Lactobacillus acidophilus with a total count of 107 CFU/g) on water quality, bacterial population, and the survival of Acanthopagrus latus larvae during a 24‐hour simulated transportation experiment. To simulate transportation, purified seawater was used as control and purified seawater supplemented with 3 g of PM was used as the PM48 treatment. For the PM48 treatment, 3 g of PM was added to 1 L of purified seawater and mixed with 200 L of purified seawater 48 hours prior to the main experiment. The use of probiotics resulted in an increase in larval survival up to 93.3% compared to 89.85% in the control group. Initial sampling showed a statistically significant difference in NO2ˉ levels between the control and PM48 treatments. After transportation, the pH of the control treatment showed a significant decrease. The total number of bacteria and the total number of Vibrio spp. in water and fish larvae showed that within 48 hours, the probiotics became the dominant population in the PM48 treatment. After 24 hours, water samples and larvae from the control treatment showed a significant increase in bacterial load. In conclusion, the results showed that probiotics can play a significant role in maintaining biotic and abiotic water quality parameters, leading to a better survival rate of larvae during transportation. These findings represent an important step in improving long‐distance transport protocols.

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“…The competition between probiotics and pathogenic microorganisms for nutrients and energy results in the competitive exclusion of the less fit organism (Kawser et al. 2022).…”

Section: Discussionmentioning

confidence: 99%

Section: Temperaturementioning

confidence: 99%

Section: Time Pointmentioning

confidence: 99%

See 1 more Smart Citation

Improvement of water quality with probiotics inclusion during simulated transport of Yellowfin Seabream Acanthopagrus latus larvae

Gamoori,

Rashidian,

Ahangarzadeh

et al. 2023

J Aqua Anim Hlth

View full text Add to dashboard Cite

show abstract

“…Probiotics, defined as live microorganisms, have attracted more and more attentions for their benefits to the homeostasis of intestinal microbiota in aquatic animal, as well as growth performance, nutrient digestion, antioxidant capacity, and immunity system ( 8 ). Bacillus genus serves as one of the most common probiotic species and is widely applied to aquaculture industry ( 9 , 10 ). Numerous researches have investigated the effect of Bacillus species on the intestinal microbiota of fishes like grass carp ( Ctenopharyngodon idellus ) ( 11 ), turbot ( Scophthalmus maximus ) ( 12 ), common carp ( Cyprinus carpio L.) ( 13 ), olive flounder ( Paralichthys olivaceus ) ( 14 ), Nile tilapia ( Oreochromis niloticus ) ( 15 ), and tongue sole ( Cynoglossus semilaevis ) ( 16 ).…”

Section: Introductionmentioning

confidence: 99%

Probiotics Bacillus cereus and B. subtilis reshape the intestinal microbiota of Pengze crucian carp (Carassius auratus var. Pengze) fed with high plant protein diets

Peng²,

Yi³

et al. 2022

Front. Nutr.

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The intestinal dysfunction induced by high plant protein diets is frequently observed in farmed fish, and probiotics of Bacillus genus were documented to benefit the intestinal health through the modulation of intestinal microbiota without clearness in its underlying mechanism yet. Fusobacteria, Proteobacteria, and Firmicutes were observed to be the dominate phyla, but their proportion differentiated in the intestinal bacterial community of Pengze crucian carp (Carassius auratus var. Pengze) fed different diets in this study. Dietary supplementation of B. cereus and B. subtilis could reshape the intestinal bacterial community altered by high plant protein diets through a notable reduction in opportunistic pathogen Aeromonas together with an increase in Romboutsia and/or Clostridium_sensu_stricto from Firmicutes. Due to the alteration in the composition of bacterial community, Pengze crucian carp exhibited characteristic ecological networks dominated by cooperative interactions. Nevertheless, the increase in Aeromonas intensified the competition within bacterial communities and reduced the number of specialists within ecological network, contributing to the microbial dysbiosis induced by high plant protein diets. Two probiotics diets promoted the cooperation within the intestinal bacterial community and increased the number of specialists preferred to module hubs, and then further improved the homeostasis of the intestinal microbiota. Microbial dysbiosis lead to microbial dysfunction, and microbial lipopolysaccharide biosynthesis was observed to be elevated in high plant protein diets due to the increase in Aeromonas, gram-negative microbe. Probiotics B. cereus and B. subtilis restored the microbial function by elevating their amino acid and carbohydrate metabolism together with the promotion in the synthesis of primary and secondary bile acids. These results suggested that dietary supplementation of probiotics B. cereus and B. subtilis could restore the homeostasis and functions of intestinal microbiota in Pengze crucian carp fed high plant protein diets.

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“…It should be noted that Bacillus sp. is widely used as a probiotic for aquaculture and water quality regulation because of its particular characteristics, such as inhibition of pathogenic bacteria [ 19 ], degradation of organic matter [ 20 ], improvement in animal immunity [ 21 ], and ability to survive in extreme environments [ 22 ]. Bacillus sp.…”

Section: Introductionmentioning

confidence: 99%

A New Perspective: Revealing the Algicidal Properties of Bacillus subtilis to Alexandrium pacificum from Bacterial Communities and Toxins

Cheng

Song

et al. 2022

Marine Drugs

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Algicidal bacteria are important in the control of toxic dinoflagellate blooms, but studies on the environmental behavior of related algal toxins are still lacking. In this study, Bacillus subtilis S3 (S3) showed the highest algicidal activity against Alexandrium pacificum (Group IV) out of six Bacillus strains. When treated with 0.5% (v/v) S3 bacterial culture and sterile supernatant, the algicidal rates were 69.74% and 70.22% at 12 h, respectively, and algicidal substances secreted by S3 were considered the mechanism of algicidal effect. During the algicidal process, the rapid proliferation of Alteromonas sp. in the phycosphere of A. pacificum may have accelerated the algal death. Moreover, the algicidal development of S3 released large amounts of intracellular paralytic shellfish toxins (PSTs) into the water, as the extracellular PSTs increased by 187.88% and 231.47% at 12 h, compared with the treatment of bacterial culture and sterile supernatant at 0 h, respectively. Although the total amount of PSTs increased slightly, the total toxicity of the algal sample decreased as GTX1/4 was transformed by S3 into GTX2/3 and GTX5. These results more comprehensively reveal the complex relationship between algicidal bacteria and microalgae, providing a potential source of biological control for harmful algal blooms and toxins.

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Mechanisms of the Beneficial Effects of Probiotic Bacillus spp. in Aquaculture

Cited by 4 publications

References 292 publications

Improvement of water quality with probiotics inclusion during simulated transport of Yellowfin Seabream Acanthopagrus latus larvae

Improvement of water quality with probiotics inclusion during simulated transport of Yellowfin Seabream Acanthopagrus latus larvae

Probiotics Bacillus cereus and B. subtilis reshape the intestinal microbiota of Pengze crucian carp (Carassius auratus var. Pengze) fed with high plant protein diets

A New Perspective: Revealing the Algicidal Properties of Bacillus subtilis to Alexandrium pacificum from Bacterial Communities and Toxins

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