Padina boergesenii mediated synthesis of Se-ZnO bimetallic nanoparticles for effective anticancer activity
DiscussionThis work aims to highlight an effective method for delivering bioactive compounds extracted from brown algae and emphasize its future therapeutic prospects. The potential of Selenium-Zinc oxide nanoparticles is of great interest due to the biocompatibility and low toxicity aspects of selenium combined with the cost-effectiveness and sustainability of zinc metal. The presence of bioactive compounds contributed to the stability of the nanoparticles and acted as capping properties. (Source: Frontiers in Microbiology)
Source: Frontiers in Microbiology - February 26, 2024 Category: Microbiology Source Type: research
Low-cost and efficient strategy for brown algal hydrolysis: Combination of alginate lyase and cellulase
Bioresour Technol. 2024 Feb 21:130481. doi: 10.1016/j.biortech.2024.130481. Online ahead of print.ABSTRACTBrown algae are rich in biostimulants that not only stimulate the overall development and growth of plants but also have great beneficial effects on the whole soil-plant system. However, alginate, the major component of brown algae, is comparatively difficult to degrade. The cost of preparing alginate oligosaccharides (AOSs) is still too high to produce seaweed fertilizer. In this work, the marine bacterium Vibrio sp. B1Z05 is found to be capable of efficient alginate depolymerization and harbors an extended pathway fo...
Source: Bioresource Technology - February 23, 2024 Category: Biotechnology Authors: Xiyue Zhang Yongqi Tang Feng Gao Xiaodong Xu Guanjun Chen Yingjie Li Lushan Wang Source Type: research
Low-cost and efficient strategy for brown algal hydrolysis: Combination of alginate lyase and cellulase
Bioresour Technol. 2024 Feb 21:130481. doi: 10.1016/j.biortech.2024.130481. Online ahead of print.ABSTRACTBrown algae are rich in biostimulants that not only stimulate the overall development and growth of plants but also have great beneficial effects on the whole soil-plant system. However, alginate, the major component of brown algae, is comparatively difficult to degrade. The cost of preparing alginate oligosaccharides (AOSs) is still too high to produce seaweed fertilizer. In this work, the marine bacterium Vibrio sp. B1Z05 is found to be capable of efficient alginate depolymerization and harbors an extended pathway fo...
Source: Bioresource Technology - February 23, 2024 Category: Biotechnology Authors: Xiyue Zhang Yongqi Tang Feng Gao Xiaodong Xu Guanjun Chen Yingjie Li Lushan Wang Source Type: research
New insights into the anticancer effects of Polycladia crinita aqueous extract and its selenium nanoformulation against the solid Ehrlich carcinoma model in mice via VEGF, notch 1, NF- кB, cyclin D1, and caspase 3 signaling pathway
Conclusion: The PCSeNPs mediated their promising anti-cancerous action by enhancing apoptosis and mitigating inflammation, which manifested in promoting the total survival rate and the tumor volume decrease. (Source: Frontiers in Pharmacology)
Source: Frontiers in Pharmacology - February 16, 2024 Category: Drugs & Pharmacology Source Type: research
Recent advances in biological properties of brown algae-derived compounds for nutraceutical applications
(Source: Critical Reviews in Food Science and Nutrition)
Source: Critical Reviews in Food Science and Nutrition - February 10, 2024 Category: Nutrition Authors: Silva, Aurora Cassani, Lucia Grosso, Clara Garcia-Oliveira, Paula Morais, Stephanie L. Echave, Javier Carpena, Maria Xiao, Jianbo Barroso, M. Fatima Simal-Gandara, Jesus Prieto, Miguel A. Source Type: research
Emergent Spatial Patterns Can Indicate Upcoming Regime Shifts in a Realistic Model of Coral Community
Am Nat. 2024 Feb;203(2):204-218. doi: 10.1086/728117. Epub 2024 Jan 2.ABSTRACTAbstractIncreased stress on coastal ecosystems, such as coral reefs, seagrasses, kelp forests, and other habitats, can make them shift toward degraded, often algae-dominated or barren communities. This has already occurred in many places around the world, calling for new approaches to identify where such regime shifts may be triggered. Theoretical work predicts that the spatial structure of habitat-forming species should exhibit changes prior to regime shifts, such as an increase in spatial autocorrelation. However, extending this theory to marin...
Source: The American Naturalist - February 2, 2024 Category: Biology Authors: Alexandre G énin Sergio A Navarrete Angeles Garcia-Mayor Evie A Wieters Source Type: research
Ordovician origin and subsequent diversification of the brown algae
Curr Biol. 2024 Jan 19:S0960-9822(23)01769-4. doi: 10.1016/j.cub.2023.12.069. Online ahead of print.ABSTRACTBrown algae are the only group of heterokont protists exhibiting complex multicellularity. Since their origin, brown algae have adapted to various marine habitats, evolving diverse thallus morphologies and gamete types. However, the evolutionary processes behind these transitions remain unclear due to a lack of a robust phylogenetic framework and problems with time estimation. To address these issues, we employed plastid genome data from 138 species, including heterokont algae, red algae, and other red-derived algae....
Source: Current Biology - January 23, 2024 Category: Biology Authors: Seok-Wan Choi Louis Graf Ji Won Choi Jihoon Jo Ga Hun Boo Hiroshi Kawai Chang Geun Choi Shuhai Xiao Andrew H Knoll Robert A Andersen Hwan Su Yoon Source Type: research
Identification and characterization of a critical loop for the high activity of alginate lyase VaAly2 from the PL7_5 subfamily
As the major component in the cell wall of brown algae, alginates are degradable by alginate lyases via β-elimination. Alginate lyases can be categorized into various polysaccharide lyase (PL) families, and PL7 family alginate lyases are the largest group and can be divided into six subfamilies. However, the major difference among different PL7 subfamilies is not fully understood. In this work, a marine alginate lyase, VaAly2, from Vibrio alginolyticus ATCC 17749 belonging to the PL7_5 subfamily was identified and characterized. It displayed comparatively high alginolytic activities toward different alginate substrates an...
Source: Frontiers in Microbiology - January 12, 2024 Category: Microbiology Source Type: research
The Social Ecology of Health Beliefs and Misinformation Framework: Examining the impact of misinformation on vaccine uptake through individual and sociological factors
CONCLUSIONS: Our study provides a unique, triangulated, post-positivist perspective on the role of misinformation in vaccine hesitancy in Colorado. The findings provide evidence that misinformation is an important barrier to vaccination uptake and can permeate multiple socio-ecological determinants/characteristics to influence vaccination behaviors including intrapersonal, interpersonal, institutional, and structural levels. We introduce the Social Ecology of Health Beliefs and Misinformation Framework to account for how misinformation may interrupt vaccine uptake.PMID:38184392 | DOI:10.1016/j.vaccine.2024.01.001 (Source: Vaccine)
Source: Vaccine - January 6, 2024 Category: Allergy & Immunology Authors: Joy C Enyinnaya Ashley A Anderson Nicole C Kelp Marilee Long Colleen G Duncan Source Type: research
The Social Ecology of Health Beliefs and Misinformation Framework: Examining the impact of misinformation on vaccine uptake through individual and sociological factors
CONCLUSIONS: Our study provides a unique, triangulated, post-positivist perspective on the role of misinformation in vaccine hesitancy in Colorado. The findings provide evidence that misinformation is an important barrier to vaccination uptake and can permeate multiple socio-ecological determinants/characteristics to influence vaccination behaviors including intrapersonal, interpersonal, institutional, and structural levels. We introduce the Social Ecology of Health Beliefs and Misinformation Framework to account for how misinformation may interrupt vaccine uptake.PMID:38184392 | DOI:10.1016/j.vaccine.2024.01.001 (Source: Vaccine)
Source: Vaccine - January 6, 2024 Category: Allergy & Immunology Authors: Joy C Enyinnaya Ashley A Anderson Nicole C Kelp Marilee Long Colleen G Duncan Source Type: research
Diversity of < em > Nigrospora < /em > ( < em > Xylariales < /em > , < em > Apiosporaceae < /em > ) Species Identified in Korean Macroalgae Including Five Unrecorded Species
This study will provide valuable insights for future research exploring the functions of fungi in macroalgal communities.PMID:38179117 | PMC:PMC10763912 | DOI:10.1080/12298093.2023.2283272 (Source: Mycobiology)
Source: Mycobiology - January 5, 2024 Category: Biology Authors: Wonjun Lee Dong-Geon Kim Rekhani H Perera Ji Seon Kim Yoonhee Cho Jun Won Lee Chang Wan Seo Young Woon Lim Source Type: research
