The latest edition of Sonar Tecnológico highlights exciting advances in aquaculture and marine biotechnology. Discoveries such as the use of Fremyella diplosiphon as a feed supplement and FALCON Biomass monitoring technology are driving efficiency and sustainability in aquaculture production. In addition, new solutions for detecting fish spoilage and seaweed-based therapies promise to revolutionize the industry. Explore these innovations that are shaping the future of living marine resources.

AQUACULTURE

Fremyella diplosiphon as a nutritional feed supplement for aquaculture

A method for improving aquaculture growth and/or survival rate and viability of hemocytes, including aquaculture cultivation in the presence of the cyanobacterium F. diplosiphon. Aquaculture can be shellfish, for example, shrimp, crayfish, oysters, clams, mussels, and crabs, or combinations thereof.

Espacenet
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Monitoring technology to revolutionize land-based aquaculture

A partnership agreement signed between MSD Animal Health and First Water (Atlantic salmon land-based aquaculture project) of Iceland promises the implementation of FALCON Biomass—an innovative fish monitoring technology—for land-based aquaculture in Iceland. Developed with more than 25 years of experience in measuring fish in net pens at sea, the FALCON Biomass system combines advanced vision technology with years of research, resulting in a solution that provides important information about fish growth.

TheFishSite
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Detection platform aimed at improving the prospects for offshore aquaculture

A unique platform for collecting real-time ocean data, such as wave height and current speed, is gaining significant traction in the global aquaculture industry as a way to improve operational safety, optimize site selection, and increase aquaculture production efficiency.

TheFishSite
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LIVE MARINE RESOURCES

Stichopus japonicu sea cucumber polysaccharide and its photocatalytic degradation product alleviate acute alcoholic liver injury in rats

In the present study, the hepatoprotective effects of a sulfated sea cucumber polysaccharide (SCSP) isolated from Stichopus japonicus were investigated. A low molecular weight derivative of SCSP (dSCSP) was prepared using the photocatalytic method and subsequently analyzed with infrared spectroscopy (IR), nuclear magnetic resonance (NMR), high-performance liquid chromatography-mass spectrometry (HPLC-MSn), and other techniques. In vivo trials showed that adding SCSP or dSCSP to Baijiu (wine produced from cereals) could alleviate alcoholic liver damage in rats. Further analyses also revealed its protective effect in reducing damage caused by oxidative stress and regulating glycerophospholipid metabolism in the liver.

NCBI
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Mitigating drought stress in wheat plants (Triticum Aestivum L.) through grain priming in Spirulina platensis aqueous extract

The research focuses on the use of Spirulina platensis aqueous extract (SPAE) as a biostimulant to increase drought resistance in two Egyptian wheat cultivars, Sakha 95 (drought tolerant) and Shandawel 1 (drought sensitive). Several parameters of the flag leaf were evaluated: agronomy, pigment fractions, gas exchange, and carbohydrate content. In addition, at harvest, the yield attributes and biochemical aspects of the grains produced (total carbohydrates and proteins) were also evaluated. The study showed that SPAE treatments significantly increased growth vigor, photosynthetic rate, and yield components of both wheat cultivars under normal and drought conditions.

NBCI
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Colorimetric Indicator Based on Gold Nanoparticles and Sodium Alginate for Monitoring Fish Deterioration

In this study, a colorimetric indicator based on gold nanoparticles (AuNP) and an environmentally friendly biodegradable polymer (sodium alginate, Alg.) was developed for the real-time detection of fish spoilage products. The results indicated color changes in the indicator in packaged fish on the ninth day of storage at a refrigerated temperature (5°C). These results showed the successful application of the colorimetric indicator in the detection of total volatile basic nitrogen (TVB-N) in packaged fish.

NBCI
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MARINE BIOTECHNOLOGY

The potential of Cystoseira extract/mesenchymal stem cells in wound healing in immunosuppressed rats, supported by the crosstalk of the immuno-inflammatory response

This study aimed to evaluate the wound healing efficacy of Cystoseira brown algae extract alone and in combination with stem cell therapy. In addition, the metabolomic profile of secondary metabolites from the brown algae Cystoseira was investigated and its potential for wound healing in immunocompromised mice was evaluated in conjunction with mesenchymal stem cells in the combined capacity of bone marrow injection (BMMSC), monitored by histopathological and PCR analytical techniques. The results indicate that the primary compounds of Cystoseira have potential therapeutic activity for wound healing.

NCBI
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Bionanofactory for the green synthesis of collagen nanoparticles, characterization, optimization, and in vitro and in vivo anticancer activities

Collagen nanoparticles (collagen-NPs) were bio-manufactured from pure marine collagen using the cell-free supernatant of a newly isolated strain, Streptomyces sp. strain NEAA-3. The biosynthesized collagen NPs exhibited antioxidant activity and anticancer activity against the HeP-G2, MCF-7, and HCT116 cell lines. Collagen NPs were shown to be an effective drug carrier with methotrexate (MTX), a chemotherapeutic agent.

NBCI
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Transcriptomics helps uncover the metabolic changes and molecular machinery of Schizochytrium limacinum during the biotransformation of hydrophobic substrates into docosahexaenoic acid

In this study, Schizochytrium limacinum SR21 was investigated for its ability to convert oils (commercial oils with varying fatty acid compositions and used cooking oil) into ω-3 fatty acid; docosahexaenoic acid (DHA). The conversion of hydrophobic substrates into DHA can be improved using synthetic biology tools, thus providing a unique platform for the sustainable recycling of used oil substrates.

NCBI
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