Article
Nutrition & Dietetics
Suzan J. G. Knottnerus, Dewi van Harskamp, Henk Schierbeek, Jeannette C. Bleeker, Loek L. Crefcoeur, Sacha Ferdinandusse, Johannes B. van Goudoever, Riekelt H. Houtkooper, Lodewijk IJlst, Mirjam Langeveld, Ronald J. A. Wanders, Frederic M. Vaz, Frits A. Wijburg, Gepke Visser
Summary: The study investigated the metabolic fates of MCT in healthy individuals using a C-13-labeled MCT tracer. Results showed that when provided as single energy source, 42% of MCT was converted to CO2, while in combination with carbohydrates and proteins in the diet, oxidation of MCT was higher at 62%. Furthermore, less than 1% of C-13-label was incorporated in LCFA in plasma, indicating that administered MCT underwent chain-elongation to LCT.
CLINICAL NUTRITION
(2021)
Article
Cell Biology
Triana Amen, Daniel Kaganovich
Summary: Metabolic regulation is essential for stress response pathways, and the interconnection between stress granule formation and lipid droplet accumulation has been uncovered, revealing a novel relationship between stress adaptation mechanisms.
FRONTIERS IN CELL AND DEVELOPMENTAL BIOLOGY
(2021)
Article
Immunology
Annette L. L. West, Johanna von Gerichten, Nicola A. A. Irvine, Elizabeth A. A. Miles, Karen A. A. Lillycrop, Philip C. C. Calder, Barbara A. A. Fielding, Graham C. C. Burdge
Summary: This study found that lipid metabolism in human T lymphocytes changes during the life course, which may facilitate the adaptation of immune function to different stages of life.
FRONTIERS IN IMMUNOLOGY
(2022)
Article
Ecology
Margaux Mathieu-Resuge, Matthias Pilecky, Cornelia W. Twining, Dominik Martin-Creuzburg, Tarn Preet Parmar, Simon Vitecek, Martin J. Kainz
Summary: The study revealed that spiders at the lake riparian area obtained lipids and polyunsaturated fatty acids (PUFA) from emergent aquatic and terrestrial insects, and the transfer of these nutrients varied depending on the distance of the spiders from the shoreline. Spiders in different habitats showed differences in the dietary sources and metabolic pathways used to fulfill their EPA demand, indicating the flexibility of spiders in adapting to their habitat and dietary availability.
Review
Oncology
Arundhati Mehta, Yashwant Kumar Ratre, Vivek Kumar Soni, Dhananjay Shukla, Subhash C. Sonkar, Ajay Kumar, Naveen Kumar Vishvakarma
Summary: The immune function of T cells is influenced by lipid metabolism, which is also reprogrammed in T-cell malignancies to support their rapid division and other malignant characteristics. Specific lipid molecules are enriched in T-cell cancer, contributing to survival, migration, and angiogenesis. Lipid metabolic processes like de novo synthesis and lipid uptake provide energy reserves for T-cell cancer cells during metastasis. The balance between fatty acid synthesis and oxidation plays different roles in chemoresistance and rapid division. Additionally, lipid metabolism in T-cell cancer affects immune suppression and immune evasion. Targeting lipid metabolism in T-cell cancer shows promise in enhancing antitumor immunity and improving clinical management.
FRONTIERS IN ONCOLOGY
(2023)
Article
Engineering, Environmental
Zhifeng Huang, Abdul Qadeer, Saisai Zheng, Fangfang Ge, Kexin Zhang, Daqiang Yin, Binghui Zheng, Xingru Zhao
Summary: This study investigated the concentrations of PCB congeners, stable isotope levels, and FAs composition in ten freshwater species of Dongtinghu Lake, China. The results showed that the concentrations of certain PCB congeners increased with trophic levels, while PCB 155 concentrations remained consistent across trophic levels. Furthermore, there were positive correlations between FAs and PCBs, indicating that FAs can serve as efficient bioindicators of PCB pollution in aquatic food webs.
JOURNAL OF HAZARDOUS MATERIALS
(2022)
Review
Biotechnology & Applied Microbiology
Atrayee Chattopadhyay, Mohor Mitra, Mrinal K. Maiti
Summary: Research is currently focusing on several nonconventional oleaginous yeast species for developing renewable and sustainable biolipid feedstock. Significant progress has been made in recent years in understanding metabolic pathways, implementing engineering strategies, and improving genetic tools for various yeast genera, which will benefit future studies in strain improvement and metabolic engineering for enhanced lipid production.
BIOTECHNOLOGY ADVANCES
(2021)
Article
Biotechnology & Applied Microbiology
Ming Chang, Tao Zhang, Leilei Li, Fei Lou, Meimei Ma, Ruijie Liu, Qingzhe Jin, Xingguo Wang
Summary: The lipid turnover process in Schizochytrium preferentially degrades saturated fatty acids while preserving polyunsaturated fatty acids. Multiple omics technologies were used to reveal the mechanisms behind this process, including lipidomic and transcriptomic analysis. Genetic engineering confirmed the involvement of a characterized triacylglycerol lipase in the preferential hydrolysis of saturated fatty acids during lipid turnover.
ALGAL RESEARCH-BIOMASS BIOFUELS AND BIOPRODUCTS
(2021)
Article
Engineering, Environmental
Xiaodan Wu, Xiaobo Zheng, Lehuan Yu, Ruifeng Lu, Qiang Zhang, Xiao-Jun Luo, Bi-Xian Mai
Summary: This study investigated the species-specific biomagnification of POPs in songbird species, and found that different invertebrate taxa had different contributions to songbirds. The biomagnification of POPs is influenced by the physicochemical properties of the POPs and ecological factors, with respiratory elimination playing an important role in songbirds.
ENVIRONMENTAL SCIENCE & TECHNOLOGY
(2022)
Review
Cell Biology
Mike F. Renne, Hanaa Hariri
Summary: Cells prepare for changes in nutrient availability by storing energy in Lipid Droplets (LDs). Fatty acids released from LDs are trafficked to different cellular compartments for membrane biogenesis or energy production. Inter-organelle contact sites between LDs and organelles like the Endoplasmic Reticulum and mitochondria facilitate FA trafficking and metabolism.
FRONTIERS IN CELL AND DEVELOPMENTAL BIOLOGY
(2021)
Article
Geochemistry & Geophysics
Hu Liu, Yunning Cao, Jing Hu, Zhonghui Liu, Weiguo Liu
Summary: The study investigated the compound-specific delta D deviations with varying contents injected using isotope ratio mass spectrometry, finding higher delta D values with decreasing amplitudes and larger deviations occurring in low amplitude range. For lab working standards, n-alkane delta D values varied significantly with changes in amplitudes, while repeated analyses of natural samples yielded higher delta D values with lower amplitudes and lower values with higher amplitudes. Amplitude-based correction of lipid delta D values may be attempted, but caution is needed due to large residual errors.
Article
Agronomy
Yuntao Wu, Xiaodong Zhang, Zhaoliang Song, Changxun Yu, Man Liu, Yidong Wang, Qian Hao, Qiang Li, Xiangwei Zhao, Lele Wu, Xia Wang
Summary: This study investigates the spatial patterns and driving factors of carbon and nitrogen isotopes in plant-soil systems of grasslands in northern China. The results provide important references for future research on biogeochemical cycles in temperate grasslands.
Review
Chemistry, Multidisciplinary
Shanshan Liu, Benzheng Jiao, Hongguang Zhao, Xinyue Liang, Fengyan Jin, Xiaodong Liu, Ji-Fan Hu
Summary: Lipid metabolic reprogramming plays a crucial role in cancer, and dysregulated non-coding RNAs, especially lncRNAs and circRNAs, are involved in the regulation of this process. Understanding their regulatory targets and mechanisms is important for identifying new therapeutic targets and treatment strategies for cancer patients with lipid metabolic reprogramming.
Article
Biochemical Research Methods
Silvia Pianezze, Mirco Corazzin, Matteo Perini, Federica Camin, Mauro Paolini, Angela Sepulcri, Elena Sacca, Carla Fabro, Edi Piasentier
Summary: Dietary fatty acids play a key role in meat quality, and stable isotope ratio analysis serves as a powerful tool, with gas chromatography combustion isotope ratio mass spectrometry being an effective method. The concentration variation of compounds in different matrices depends on their chemical modifications in metabolic pathways.
JOURNAL OF CHROMATOGRAPHY A
(2021)
Article
Agronomy
Charles R. Warren, Orpheus M. Butler
Summary: This study aims to explore the degradation process of leaf lipids, and finds that non-polymeric leaf lipids degrade quickly in soil, with a fraction of lipids likely persisting in degradation products and/or microbial biomass.
Article
Ecology
Wales A. Carter, Kristen J. DeMoranville, Barbara J. Pierce, Scott R. McWilliams
ECOLOGY AND EVOLUTION
(2020)
Article
Ornithology
Juliet S. Lamb, Peter W. C. Paton, Jason E. Osenkowski, Shannon S. Badzinski, Alicia M. Berlin, Tim Bowman, Chris Dwyer, Luke J. Fara, Scott G. Gilliland, Kevin Kenow, Christine Lepage, Mark L. Mallory, Glenn H. Olsen, Matthew C. Perry, Scott A. Petrie, Jean-Pierre L. Savard, Lucas Savoy, Michael Schummer, Caleb S. Spiegel, Scott R. McWilliams
Article
Physiology
Wales A. Carter, Kristen J. DeMoranville, Barbara J. Pierce, Scott R. McWilliams
Summary: The study found that diet and exercise training significantly affect the activity of key oxidative enzymes in songbirds, particularly carnitine palmitoyl transferase and citrate synthase. This suggests a plausible mechanism linking diet quality and metabolic performance in songbirds.
JOURNAL OF COMPARATIVE PHYSIOLOGY B-BIOCHEMICAL SYSTEMS AND ENVIRONMENTAL PHYSIOLOGY
(2021)
Article
Ornithology
Luke L. Powell, Adam Metallo, Crinan Jarrett, Nathan W. Cooper, Peter P. Marra, Scott R. McWilliams, Ulf Bauchinger, Bryant C. Dossman
Summary: A noninvasive aluminum muscle meter device was developed to estimate the size of pectoral muscles in birds, and a durable plastic 3D-printed version was created for wider availability. The device showed repeatability among users, correlation with visual scoring systems, and outperformed traditional systems in predicting body condition indices. The precision of the 3D-scanning hardware used to create the device made it as useful as the original aluminum version, but more cost-effective and accessible.
JOURNAL OF FIELD ORNITHOLOGY
(2021)
Article
Multidisciplinary Sciences
Clara Cooper-Mullin, Wales A. Carter, Ronald S. Amato, David Podlesak, Scott R. McWilliams
Summary: The study found that ingested lipophilic antioxidant alpha-tocopherol can quickly reach muscle mitochondria in flying birds with regular exercise, helping to offset the oxidative costs of flight muscle metabolism.
Article
Biodiversity Conservation
Wales A. Carter, Scott F. Pearson, Adam D. Smith, Scott R. McWilliams, Douglas J. Levey
Summary: The study found that non-breeding songbirds primarily consume fruits and seeds, with significant differences in resource use among species during the fall and winter seasons, and caution should be taken when interpreting fecal estimates of fruit contributions to songbird tissues.
Article
Ornithology
Lillie A. Langlois, Scott R. McWilliams
Summary: The study found that Hermit Thrushes and White-throated Sparrows have similar requirements for lysine and methionine, but different requirements for arginine. Most birds exhibit various responses when fed diets with inadequate essential amino acid concentrations, but may also overcompensate when consuming diets deficient in certain amino acids.
JOURNAL OF ORNITHOLOGY
(2022)
Article
Biology
Abigail E. Frawley, Kristen J. DeMoranville, Katherine M. Carbeck, Lisa Trost, Amadeusz Bryla, Maciej Dzialo, Edyta T. Sadowska, Ulf Bauchinger, Barbara J. Pierce, Scott R. McWilliams
Summary: This study investigated how the antioxidant system of female European starlings responds to oxidative challenges during flight and preparation for reproduction. The results showed that dietary antioxidants affected enzymatic antioxidant activity and oxidative damage, and flight training may condition females to dynamically respond to oxidative challenges by adjusting antioxidant allocation to reduce damage caused by oxidative stress.
JOURNAL OF EXPERIMENTAL BIOLOGY
(2021)
Article
Ornithology
Christopher M. Roelandt, Amber M. Roth, Scott R. McWilliams, Jill C. Witt
Summary: The field-usable point-of-care analyzer showed high repeatability and precision in measuring plasma TRIG in male American Woodcock, but was not accurate compared to lab-measured values, possibly due to environmental effects or specific issues with analyzing woodcock blood. This suggests that the analyzer may not provide a reliable alternative method for measuring circulating TRIG in woodcock during cold springs, and a pilot study is recommended before field use for understanding its operating limits.
JOURNAL OF ORNITHOLOGY
(2022)
Article
Ornithology
Clayton L. Graham, Scott R. McWilliams
Summary: The study validated the deuterium dilution method as a nonlethal technique for estimating body composition of shorebirds during fall staging. The results showed high accuracy of the predictive models using deuterium dilution method, while conventionally used morphology-based condition indices were poor predictors of fat mass.
JOURNAL OF ORNITHOLOGY
(2022)
Article
Biology
Edwin R. Price, Ulf Bauchinger, Scott R. McWilliams, Michelle L. Boyles, Lillie A. Langlois, Alexander R. Gerson, Christopher G. Guglielmo
Summary: Migratory birds undergo rapid upregulation of catabolic capacity during flight, with minor effects due to training. Dietary fatty acid composition and antioxidants have no significant effect on muscle catabolic enzymes or lipid transporter expression.
JOURNAL OF EXPERIMENTAL BIOLOGY
(2022)