Article
Chemistry, Applied
Alexander G. Dvoretsky, Fatima A. Bichkaeva, Nina F. Baranova, Vladimir G. Dvoretsky
Summary: Research on fatty acid profiles of the Barents Sea red king crab is limited, but a study analyzing leg meat found high concentrations of PUFA, moderate levels of SFA, and lower amounts of MUFA. Regardless of variations in size, shell condition, limb injuries, or sex, the fatty acid concentrations in red king crab meat were consistent. The meat of Barents Sea red king crabs contains higher levels of SFA and PUFA compared to crabs from other regions, making it a valuable source of essential fatty acids for human consumption.
JOURNAL OF FOOD COMPOSITION AND ANALYSIS
(2021)
Article
Food Science & Technology
Ekaterina V. Ermolenko, Tatyana V. Sikorskaya, Valeria P. Grigorchuk
Summary: In this study, the lipid compositions of the hepatopancreas and muscles of the Japanese mitten crab and the red king crab were analyzed using supercritical fluid and high-performance liquid chromatography coupled with high-resolution mass spectrometry. The results showed that triacylglycerols were the main lipids in the crab hepatopancreas, while they were found in trace amounts in muscle. The lipid compositions of the two crab species differed, and both were found to contain high levels of polyunsaturated fatty acids.
Article
Agriculture, Dairy & Animal Science
Alexander G. Dvoretsky, Fatima A. Bichkaeva, Nina F. Baranova, Vladimir G. Dvoretsky
Summary: This study investigated the fatty acid profiles in the ovaries and testes of adult red king crabs. The results showed predominance of polyunsaturated fatty acids and lower levels of saturated and monounsaturated fatty acids. Female gonads had higher levels of fatty acids compared to male gonads, and ovaries were characterized by excellent quality in terms of essential fatty acid content, making them a recommended source for consumption and as a source of valuable substances.
Article
Chemistry, Applied
Federico Lian, Sten Siikavuopio, Sabine M. Harrison, Birthe Vang, Nigel P. Brunton, Margrethe Esaiassen, Grete Lorentzen
Summary: The fatty acid composition of cooked leg meat remained stable, while the raw hepatopancreas was significantly affected by the live holding period without feeding. Long-chain highly unsaturated fatty acids were preferentially retained during live holding, indicating potential for practical application in selecting suitable feed for red king crab.
JOURNAL OF FOOD COMPOSITION AND ANALYSIS
(2022)
Article
Environmental Sciences
Magnus Aune, Jenny L. A. Jensen, Sten I. Siikavuopio, Guttorm N. Christensen, Kare Tormod Nilsen, Benjamin Merkel, Paul E. Renaud
Summary: The introduction of red king crab to the southern Barents Sea in the 1960s aimed to develop a commercially attractive stock, leading to abundant population but also severe degradation of benthic ecosystems due to intense predation. Fishermen have reported highly variable catches of the species despite little variation in fishing time and location, possibly due to the migratory behavior of the crabs. Previous studies have shown that red king crabs are capable of long-distance migrations, with seasonal movements between shallow and deep waters.
FRONTIERS IN MARINE SCIENCE
(2022)
Article
Fisheries
Vasco C. Mota, Sten I. Siikavuopio, Philip James
Summary: This study evaluated the physiological response of red king crab during live air transport, finding that crabs exhibited typical physiological responses associated with hypoxia stress during a 20-hour transport period. Additionally, the study reported for the first time a change in the FAA pool results due to transport, with five out of the twenty-one measured FAA significantly elevated.
FISHERIES RESEARCH
(2021)
Review
Fisheries
Jose-Pedro Canavate, Catalina Fernandez-Diaz
Summary: Salinity is a fundamental factor in microalgal aquaculture production, affecting the lipid composition and production of microalgae. Different microalgal species show varying responses to salinity, with hypersalinity having a greater impact on lipid profiles in cultured marine microalgae. Optimizing salinity levels can lead to more sustainable microalgal production.
REVIEWS IN AQUACULTURE
(2022)
Article
Fisheries
Cory Lescher, Noelle Yochum, Brad Harris, Nathan Wolf, John Gauvin
Summary: This study examined vitality assessment metrics in commercial crab species, specifically focusing on red king crab, to determine their effectiveness in capturing impairment, initial recovery, and short-term mortality post-discard. Results showed that crabs collected from the factory had higher impairment scores initially but still exhibited strong recovery after 72 hours. Out of the 55 crabs collected, 6 with higher impairment scores died, while the remaining 49 with lower impairment scores showed signs of recovery and were discarded alive after 72 hours.
FISHERIES RESEARCH
(2021)
Article
Chemistry, Medicinal
Vitaliy Yu Novikov, Nadezhda Shumskaya, Vyacheslav A. Mukhin, Konstantin Zolotarev, Anton N. Mikhailov, Valeriya Nakhod, Marina Mikhailova
Summary: The processing wastes of Atlantic cod and red king crab in the Murmansk region of Russia were hydrolyzed using enzyme preparations, with enzymes from red king crab showing higher activity. Optimal conditions for the hydrolysis process were determined, and the hydrolysate was used as components for bacterial culture medium samples, which showed efficient growth inhibition of Escherichia coli. Substitution of medium components with industrial by-products can help reduce the cost of culture medium in biopharmaceutical drug production.
Article
Cell Biology
Qiqiao Du, Pan Liu, Chunyu Zhang, Tianyu Liu, Wei Wang, Chunliang Shang, Jieyu Wu, Yuandong Liao, Yili Chen, Jiaming Huang, Hao Tan, Yunhe Zhao, Meng Xia, Junxiu Liu, Shuzhong Yao
Summary: This study uncovers a novel molecular mechanism in lymph node metastasis (LNM) of cervical cancer (CC) and identifies fatty acid synthase (FASN) as a crucial player and a potential therapeutic target for LNM in CC.
CELL DEATH & DISEASE
(2022)
Article
Biochemistry & Molecular Biology
Jingjing Tian, Yihui Du, Binbin Wang, Mengmeng Ji, Hongyan Li, Yun Xia, Kai Zhang, Zhifei Li, Wenping Xie, Wangbao Gong, Ermeng Yu, Guangjun Wang, Jun Xie
Summary: Excessive hepatic lipid accumulation in cultured fish is poorly understood. In this study, using a zebrafish liver cell line, the authors found that LD accumulation is accompanied by the differential expression of LD-related genes, including dhrs3a/b. Knockdown of dhrs3a delayed LD accumulation and downregulated pparg expression. Dhrs3 catalyzed retinene to retinol, which increased in LD-enriched cells. The addition of exogenous retinyl acetate maintained LD accumulation and altered the lipidome of the cells.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2023)
Review
Plant Sciences
Yingqi Cai, Xiao-Hong Yu, John Shanklin
Summary: Plants convert carbohydrates into energy-dense lipids through photosynthesis, making plant oils an economically and sustainably attractive feedstock for biofuels and value-added bioproducts. Various strategies have been developed to enhance lipid accumulation and produce specialty lipids with increased uses and value. Successful metabolic engineering involves expression of lipogenic factors from other sources or with specialized functionality.
FRONTIERS IN PLANT SCIENCE
(2022)
Article
Agriculture, Dairy & Animal Science
Yingmei Qin, Lingyun He, Yanfei Wang, Dong Li, Weijun Chen, Jidan Ye
Summary: In this study, the effects of replacing fish oil with palm oil on the growth performance, tissue fatty acid composition, and mRNA levels of genes related to hepatic lipid metabolism in grouper were investigated. The results suggest that replacing 50% of fish oil with palm oil can achieve maximum growth, indicating its potential application.
Article
Chemistry, Multidisciplinary
Feng Wang, Tingting Liu, Wen Guan, Ling Xu, Shuhao Huo, Anzou Ma, Guoqiang Zhuang, Norman Terry
Summary: The study shows that utilizing Fe3O4 nanoparticles can significantly increase the biomass and total lipid production of microalgae. By initially exposing the algae to low concentrations of Fe3O4 nanoparticles and then treating them with higher concentrations, growth and lipid accumulation can be effectively promoted.
Article
Agriculture, Multidisciplinary
Guiling Li, Yuanyuan Li, Baoping Xiao, Dongyue Cui, Yanqi Lin, Jun Zeng, Jian Li, Min-Jie Cao, Jingwen Liu
Summary: The study revealed that DHA can reduce the levels of ROS in cells and mitochondria, enhance the antioxidant capacity of cells and mitochondria, and promote mitochondrial functions and biogenesis.
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
(2021)
Article
Ecology
Katja J. Geiger, Julio Arrontes, Antonella Rivera, Consolacion Fernandez, Jorge Alvarez, Jose Luis Acuna
Summary: A two-year experiment was conducted to investigate the impact of Pollicipes pollicipes harvest on intertidal community structure and ecological diversity. The study found that intensive exploitation resulted in a decrease in P. pollicipes and Mytilus spp. coverage, while Chthamalus spp. and Corallina spp. increased. The recovery of P. pollicipes aggregations was slow and variable, but their coverage increased under non-extracted conditions.
JOURNAL OF EXPERIMENTAL MARINE BIOLOGY AND ECOLOGY
(2024)
Article
Ecology
Daniel Castro Martignago, Leandro Godoy, Amanda Pereira Amaral, Guendalina Turcato Oliveira
Summary: This study evaluates the effects of bleaching on the oocytes of the Mussismilia harttii coral and investigates the strategies employed by these cells to maintain antioxidant balance and cellular homeostasis. The research finds that bleached coral oocytes experience lipid damage, but are still able to maintain their quality and potentially elongate their lifespan and fertilization capability. This response may be linked to an intensification of heterotrophy in bleached corals.
JOURNAL OF EXPERIMENTAL MARINE BIOLOGY AND ECOLOGY
(2024)