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Journal articles on the topic 'Lipid compositions'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Kalvodova, Lucie, Julio L. Sampaio, Sandra Cordo, Christer S. Ejsing, Andrej Shevchenko, and Kai Simons. "The Lipidomes of Vesicular Stomatitis Virus, Semliki Forest Virus, and the Host Plasma Membrane Analyzed by Quantitative Shotgun Mass Spectrometry." Journal of Virology 83, no. 16 (2009): 7996–8003. http://dx.doi.org/10.1128/jvi.00635-09.

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ABSTRACT Although enveloped virus assembly in the host cell is a crucial step in the virus life cycle, it remains poorly understood. One issue is how viruses include lipids in their membranes during budding from infected host cells. To analyze this issue, we took advantage of the fact that baby hamster kidney cells can be infected by two different viruses, namely, vesicular stomatitis virus and Semliki Forest virus, from the Rhabdoviridae and Togaviridae families, respectively. We purified the host plasma membrane and the two different viruses after exit from the host cells and analyzed the li

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2

Anisuzzaman, Md, Feng Jin, Kamrunnahar Kabery, et al. "Lipid Class and Fatty Acid Compositions of Dried Sea Cucumber Apostichopus japonicus." Open Food Science Journal 11, no. 1 (2019): 79–86. http://dx.doi.org/10.2174/1874256401911010079.

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Introduction: Sea cucumber, Apostichopus japonicus, is becoming popular around the world due to its nutritional and medicinal properties. There are still no detailed chemical studies of the lipid class, glycolipids compositions of sea cucumber. Methods: This study was conducted to determine the lipid class and glycolipid compositions of dried sea cucumber, A. japonicus, and analyze fatty acid compositions of Monogalactosyl Diglycerides (MGDG), Steryl Glycosides (SG) and Sulfoquinovosyl Diglycerides (SQDG). Total lipids of sea cucumber were extracted by Bligh and Dyer method and Sep-Pak Silica

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Godoy-Hernandez, Albert, and Duncan G. G. McMillan. "The Profound Influence of Lipid Composition on the Catalysis of the Drug Target NADH Type II Oxidoreductase." Membranes 11, no. 5 (2021): 363. http://dx.doi.org/10.3390/membranes11050363.

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Lipids play a pivotal role in cellular respiration, providing the natural environment in which an oxidoreductase interacts with the quinone pool. To date, it is generally accepted that negatively charged lipids play a major role in the activity of quinone oxidoreductases. By changing lipid compositions when assaying a type II NADH:quinone oxidoreductase, we demonstrate that phosphatidylethanolamine has an essential role in substrate binding and catalysis. We also reveal the importance of acyl chain composition, specifically c14:0, on membrane-bound quinone-mediated catalysis. This demonstrates

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TSUYUKI, Hideo, Shingo ITOH, and Kazuo YAMAGATA. "Lipid and triacylglycerol compositions of total lipids in pumpkin seeds." NIPPON SHOKUHIN KOGYO GAKKAISHI 32, no. 1 (1985): 7–15. http://dx.doi.org/10.3136/nskkk1962.32.7.

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Tamura, Yasushi, Shin Kawano, and Toshiya Endo. "Lipid homeostasis in mitochondria." Biological Chemistry 401, no. 6-7 (2020): 821–33. http://dx.doi.org/10.1515/hsz-2020-0121.

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AbstractMitochondria are surrounded by the two membranes, the outer and inner membranes, whose lipid compositions are optimized for proper functions and structural organizations of mitochondria. Although a part of mitochondrial lipids including their characteristic lipids, phosphatidylethanolamine and cardiolipin, are synthesized within mitochondria, their precursor lipids and other lipids are transported from other organelles, mainly the ER. Mitochondrially synthesized lipids are re-distributed within mitochondria and to other organelles, as well. Recent studies pointed to the important roles

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Tourte, Maxime, Vanessa Kuentz, Philippe Schaeffer, Vincent Grossi, Anais Cario, and Philippe M. Oger. "Novel Intact Polar and Core Lipid Compositions in the Pyrococcus Model Species, P. furiosus and P. yayanosii, Reveal the Largest Lipid Diversity Amongst Thermococcales." Biomolecules 10, no. 6 (2020): 830. http://dx.doi.org/10.3390/biom10060830.

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Elucidating the lipidome of Archaea is essential to understand their tolerance to extreme environmental conditions. Previous characterizations of the lipid composition of Pyrococcus species, a model genus of hyperthermophilic archaea belonging to the Thermococcales order, led to conflicting results, which hindered the comprehension of their membrane structure and the putative adaptive role of their lipids. In an effort to clarify the lipid composition data of the Pyrococcus genus, we thoroughly investigated the distribution of both the core lipids (CL) and intact polar lipids (IPL) of the mode

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Wang, Bao Qin, Ze Ping Xu, and Chuan Lun Yang. "The Chemical Compositions of the Lipid Extracted from Fermented Mycelium of Grifola frondosa." Advanced Materials Research 503-504 (April 2012): 412–15. http://dx.doi.org/10.4028/www.scientific.net/amr.503-504.412.

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The lipids from fermented mycelium of G. frondosa were extracted using supercritical flow CO2 and analyzed by GC-MS. There were 24 compounds detected in the lipids and the main compositions were octadecadienoic acid, eicosadienoic acid and hexadecanoic acid, with a little terpenoid compounds of cedrene, caryophyllene, isopropenylcarene, squalene, and some ergosterol. The total fatty acid content of the lipid was 89.18%, in which, the unsaturated fatty acid was 71.09%. The main compositions of saturated fatty acid were hexadecanoic acid and the main compositions of unsaturated fatty acid were l

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Tanaka, Hiroki, Nae Takata, Yu Sakurai, et al. "Delivery of Oligonucleotides Using a Self-Degradable Lipid-Like Material." Pharmaceutics 13, no. 4 (2021): 544. http://dx.doi.org/10.3390/pharmaceutics13040544.

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The world-first success of lipid nanoparticle (LNP)-based siRNA therapeutics (ONPATTRO®) promises to accelerate developments in siRNA therapeutics/gene therapy using LNP-type drug delivery systems (DDS). In this study, we explore the optimal composition of an LNP containing a self-degradable material (ssPalmO-Phe) for the delivery of oligonucleotides. siRNA or antisense oligonucleotides (ASO) were encapsulated in LNP with different lipid compositions. The hepatic knockdown efficiency of the target genes and liver toxicity were evaluated. The optimal compositions for the siRNA were different fr

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9

Ye, Zhan, Chen Cao, Ruizhi Li, Peirang Cao, Qiu Li, and Yuanfa Liu. "Lipid composition modulates the intestine digestion rate and serum lipid status of different edible oils: a combination of in vitro and in vivo studies." Food & Function 10, no. 3 (2019): 1490–503. http://dx.doi.org/10.1039/c8fo01290c.

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10

Lu, Bin, Tyler Smith, and Jacob J. Schmidt. "Nanoparticle–lipid bilayer interactions studied with lipid bilayer arrays." Nanoscale 7, no. 17 (2015): 7858–66. http://dx.doi.org/10.1039/c4nr06892k.

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11

Ly, Dang Thi Phuong, Nguyen Thi Nga, Dang Thi Minh Tuyet, Pham Minh Quan, and Andrey Imbs Borisovich. "Comparison of lipid compositions of soft coral Sinularia brassica collected in different coastal regions of Vietnam." Tạp chí Khoa học và Công nghệ biển 19, no. 2 (2019): 285–91. http://dx.doi.org/10.15625/1859-3097/19/2/14046.

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Five soft coral samples belonging to the same specimen Sinularia brassica were collected in the coastal area of Ha Long Quang Ninh, Nhat Le beach, Quang Binh, Hon Vang - Thanh Hoa and Nha Trang areas (2014–2016), these samples were examined and analyzed by total lipid content, content and composition of lipid and fatty acids. Highest total lipid content was found in the sample SHM 09 collected in Nha Trang bay (1.11%), and the lowest total lipid content was in HL-SHM 07 collected in Ha Long, Quang Ninh (0.68%).The lipid composition of samples contained basic classes such as polar lipids, stero

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Khaleque, M. A., MA Islam, A. Akhter, and MA Hye. "Studies on the Lipid Classes and Fatty Acid Compositions of Petuli (Trewia nudiflora Linn.) Seed oil." Bangladesh Journal of Scientific and Industrial Research 47, no. 1 (2012): 105–8. http://dx.doi.org/10.3329/bjsir.v47i1.10716.

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Studies were carried out on the lipid classes and fatty acid compositions of petuli seed oil. It was observed that petuli seed grown under the soil and climatic condition of Bangladesh contains about 22% pale yellow coloured oil. The total lipids were fractionated into three major lipid classes, neutral lipid glyco lipid and phospho lipid by silicic acid column chromatography. The neutral lipid was accounted to 92.5% of the total weight of the lipid applied. The oil was also fractionated into mono, di and triglyceride by silicic acid column chromatography. The triglyceride was counted for over

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Rüdiger, Mario, Angelika Tölle, Wolfgang Meier, and Bernd Rüstow. "Naturally derived commercial surfactants differ in composition of surfactant lipids and in surface viscosity." American Journal of Physiology-Lung Cellular and Molecular Physiology 288, no. 2 (2005): L379—L383. http://dx.doi.org/10.1152/ajplung.00176.2004.

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Pulmonary surfactant biophysical properties are best described by surface tension and surface viscosity. Besides lecithin, surfactant contains a variety of minor lipids, such as plasmalogens, polyunsaturated fatty acid-containing phospholipids (PUFA-PL), and cholesterol. Plasmalogens and cholesterol improve surface properties of lipid mixtures significantly. High PUFA-PL and plasmalogen content in tracheal aspirate of preterm infants reduces the risk of developing chronic lung disease. Different preparations are available for exogenous surfactant substitution; however, little is known about li

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Kitamata, Manabu, Takehiko Inaba, and Shiro Suetsugu. "The roles of the diversity of amphipathic lipids in shaping membranes by membrane-shaping proteins." Biochemical Society Transactions 48, no. 3 (2020): 837–51. http://dx.doi.org/10.1042/bst20190376.

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Lipid compositions of cells differ according to cell types and intracellular organelles. Phospholipids are major cell membrane lipids and have hydrophilic head groups and hydrophobic fatty acid tails. The cellular lipid membrane without any protein adapts to spherical shapes, and protein binding to the membrane is thought to be required for shaping the membrane for various cellular events. Until recently, modulation of cellular lipid membranes was initially shown to be mediated by proteins recognizing lipid head groups, including the negatively charged ones of phosphatidylserine and phosphoino

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15

Su, Miya, Arvind K. Subbaraj, Karl Fraser, et al. "Lipidomics of Brain Tissues in Rats Fed Human Milk from Chinese Mothers or Commercial Infant Formula." Metabolites 9, no. 11 (2019): 253. http://dx.doi.org/10.3390/metabo9110253.

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Holistic benefits of human milk to infants, particularly brain development and cognitive behavior, have stipulated that infant formula be tailored in composition like human milk. However, the composition of human milk, especially lipids, and their effects on brain development is complex and not fully elucidated. We evaluated brain lipidome profiles in weanling rats fed human milk or infant formula using non-targeted UHPLC-MS techniques. We also compared the lipid composition of human milk and infant formula using conventional GC-FID and HPLC-ELSD techniques. The sphingomyelin class of lipids w

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Krivoshapko, O. N., A. M. Popov, A. A. Artyukov, and E. Y. Kostetsky. "Particularities of corrective action of polar lipids and bioantioxidants from sea hydrobionts at imbalances of lipid and carbohydrate metabolism." Biomeditsinskaya Khimiya 58, no. 2 (2012): 189–98. http://dx.doi.org/10.18097/pbmc20125802189.

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A total mixture of phospho- and glycolipids from sea macrophytes Sargassum pallidum, Ulva fenestrata, Zostera marina was separated and the fatty acid composition was determined. Biological activity of the mixtures of polar lipids and natural antioxidants echinochrome A from flat sea urchin Scaphechinus mirabilis and polyphenolic complex from sea grass Zostera marina was studied in rats with experimental model of atherosclerosis and diabetes. These experiments revealed optimal compositions for mixtures of polar lipids and antioxidants, which possess high medical-corrective activity. Proposed me

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17

Schwertner, H. A., and E. L. Mosser. "Comparison of lipid fatty acids on a concentration basis vs weight percentage basis in patients with and without coronary artery disease or diabetes." Clinical Chemistry 39, no. 4 (1993): 659–63. http://dx.doi.org/10.1093/clinchem/39.4.659.

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Abstract Lipid fatty acid compositions are almost always expressed on a weight percentage basis rather than as weight or molar concentrations. With the former method of calculation, each fatty acid has an effect on the composition of the other fatty acids, an interdependence that can potentially lead to inaccurate and misleading results. Here we compare the concentrations per liter and the weight percentage compositions of cholesteryl ester and phospholipid fatty acids in individuals with and without coronary artery disease as well as free fatty acid compositions in individuals with and withou

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18

Lankinen, Maria, Matti Uusitupa, and Ursula Schwab. "Genes and Dietary Fatty Acids in Regulation of Fatty Acid Composition of Plasma and Erythrocyte Membranes." Nutrients 10, no. 11 (2018): 1785. http://dx.doi.org/10.3390/nu10111785.

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The fatty acid compositions of plasma lipids and cell membranes of certain tissues are modified by dietary fatty acid composition. Furthermore, many other factors (age, sex, ethnicity, health status, genes, and gene × diet interactions) affect the fatty acid composition of cell membranes or plasma lipid compartments. Therefore, it is of great importance to understand the complexity of mechanisms that may modify fatty acid compositions of plasma or tissues. We carried out an extensive literature survey of gene × diet interaction in the regulation of fatty acid compositions. Most of the related

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19

Sumida, Yasushi, Hiroyuki Nishio, Yoshiko Iwamoto, and Koichiro Miyajima. "Effects of Lipid Compositions on Thermo-sensitivity of Stratum Corneum Lipid Liposomes." membrane 21, no. 5 (1996): 326–33. http://dx.doi.org/10.5360/membrane.21.326.

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20

Yao, Yao, Shangyu Hong, Hu Zhou, Taichang Yuan, Rong Zeng, and Kan Liao. "The differential protein and lipid compositions of noncaveolar lipid microdomains and caveolae." Cell Research 19, no. 4 (2009): 497–506. http://dx.doi.org/10.1038/cr.2009.27.

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21

Simonsson, Lisa, and Fredrik Höök. "Formation and Diffusivity Characterization of Supported Lipid Bilayers with Complex Lipid Compositions." Langmuir 28, no. 28 (2012): 10528–33. http://dx.doi.org/10.1021/la301878r.

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22

Galván-Hernández, Arturo, and Iván Ortega-Blake. "Adsorption of Polyene Antibiotics on Supported Lipid Bilayers of Different Lipid Compositions." Biophysical Journal 114, no. 3 (2018): 451a—452a. http://dx.doi.org/10.1016/j.bpj.2017.11.2497.

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23

Goto, Asako, Aya Mizuike, and Kentaro Hanada. "Sphingolipid Metabolism at the ER-Golgi Contact Zone and Its Impact on Membrane Trafficking." Contact 3 (January 2020): 251525642095951. http://dx.doi.org/10.1177/2515256420959514.

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Proteins and lipids represent the two major constituents of biological membranes. Different organelles have different lipid compositions, which may be crucial for the execution and control of various organelle-specific functions. The interorganellar transport of lipids is dominated by mechanisms that are distinct from the vesicular mechanisms that underlie the interorganellar transport of proteins. Lipid transfer proteins (LTPs) efficiently and accurately mediate the trafficking of membrane lipids at the interfaces between different organelles. In this review, which focuses on sphingolipids, w

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24

Adams, Rachel L., and Nicholas J. Russell. "Interactive effects of salt concentration and temperature on growth and lipid composition in the moderately halophilic bacterium Vibrio costicola." Canadian Journal of Microbiology 38, no. 8 (1992): 823–27. http://dx.doi.org/10.1139/m92-134.

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The interactive effects of NaCl concentration and growth temperature on the growth and lipid composition of the moderately halophilic eubacterium Vibrio costicola have been investigated. Vibrio costicola was shown to be capable of growth over the temperature range 4–37 °C. Maximum growth yields were obtained at 30 °C when the optimum NaCl concentration was 1.0 M NaCl. In contrast with some previous studies, at higher or lower growth temperatures both the optimum and lower limit of NaCl concentration were higher, but there was no change in the upper limit of NaCl concentration for growth. There

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Conlan, Jessica A., Melissa M. Rocker, and David S. Francis. "A comparison of two common sample preparation techniques for lipid and fatty acid analysis in three different coral morphotypes reveals quantitative and qualitative differences." PeerJ 5 (August 2, 2017): e3645. http://dx.doi.org/10.7717/peerj.3645.

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Lipids are involved in a host of biochemical and physiological processes in corals. Therefore, changes in lipid composition reflect changes in the ecology, nutrition, and health of corals. As such, accurate lipid extraction, quantification, and identification is critical to obtain comprehensive insight into a coral’s condition. However, discrepancies exist in sample preparation methodology globally, and it is currently unknown whether these techniques generate analogous results. This study compared the two most common sample preparation techniques for lipid analysis in corals: (1) tissue isola

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Ballweg, Stephanie, and Robert Ernst. "Control of membrane fluidity: the OLE pathway in focus." Biological Chemistry 398, no. 2 (2017): 215–28. http://dx.doi.org/10.1515/hsz-2016-0277.

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Abstract The maintenance of a fluid lipid bilayer is key for membrane integrity and cell viability. We are only beginning to understand how eukaryotic cells sense and maintain the characteristic lipid compositions and bulk membrane properties of their organelles. One of the key factors determining membrane fluidity and phase behavior is the proportion of saturated and unsaturated acyl chains in membrane lipids. Saccharomyces cerevisiae is an ideal model organism to study the regulation of the lipid acyl chain composition via the OLE pathway. The OLE pathway comprises all steps involved in the

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Mukerjee, Souvik, Abdulaziz S. Saeedan, Mohd Nazam Ansari, and Manjari Singh. "Polyunsaturated Fatty Acids Mediated Regulation of Membrane Biochemistry and Tumor Cell Membrane Integrity." Membranes 11, no. 7 (2021): 479. http://dx.doi.org/10.3390/membranes11070479.

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Particular dramatic macromolecule proteins are responsible for various cellular events in our body system. Lipids have recently recognized a lot more attention of scientists for understanding the relationship between lipid and cellular function and human health However, a biological membrane is formed with a lipid bilayer, which is called a P–L–P design. Our body system is balanced through various communicative signaling pathways derived from biological membrane proteins and lipids. In the case of any fatal disease such as cancer, the biological membrane compositions are altered. To repair the

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Wiegand, Murray D., Thomas A. Johnston, Jennifer Martin, and William C. Leggett. "Variation in neutral and polar lipid compositions of ova in ten reproductively isolated populations of walleye (Sander vitreus)." Canadian Journal of Fisheries and Aquatic Sciences 61, no. 1 (2004): 110–21. http://dx.doi.org/10.1139/f03-146.

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We examined variation in the mass and composition of egg lipids within and among 10 walleye (Sander vitreus) populations. Larger eggs contained more lipid, but neither absolute lipid content (mg·egg1) nor relative lipid content (percent of egg mass as lipid) were related to maternal age or size. Among populations, the proportion of egg mass as neutral lipid varied significantly, whereas the proportion as polar lipid did not. Egg fatty acid composition did vary with respect to maternal traits. In the Lake Ontario population, larger females appear to produce a qualitatively superior egg; relati

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Liakh, Ivan, Tomasz Sledzinski, Lukasz Kaska, Paulina Mozolewska, and Adriana Mika. "Sample Preparation Methods for Lipidomics Approaches Used in Studies of Obesity." Molecules 25, no. 22 (2020): 5307. http://dx.doi.org/10.3390/molecules25225307.

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Obesity is associated with alterations in the composition and amounts of lipids. Lipids have over 1.7 million representatives. Most lipid groups differ in composition, properties and chemical structure. These small molecules control various metabolic pathways, determine the metabolism of other compounds and are substrates for the syntheses of different derivatives. Recently, lipidomics has become an important branch of medical/clinical sciences similar to proteomics and genomics. Due to the much higher lipid accumulation in obese patients and many alterations in the compositions of various gro

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Nishida-Aoki, Nao, Yoshihiro Izumi, Hiroaki Takeda, Masatomo Takahashi, Takahiro Ochiya, and Takeshi Bamba. "Lipidomic Analysis of Cells and Extracellular Vesicles from High- and Low-Metastatic Triple-Negative Breast Cancer." Metabolites 10, no. 2 (2020): 67. http://dx.doi.org/10.3390/metabo10020067.

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Extracellular vesicles (EVs) are lipid bilayer nanovesicles secreted from almost all cells including cancer. Cancer-derived EVs contribute to cancer progression and malignancy via educating the surrounding normal cells. In breast cancer, epidemiological and experimental observations indicated that lipids are associated with cancer malignancy. However, lipid compositions of breast cancer EVs and their contributions to cancer progression are unexplored. In this study, we performed a widely targeted quantitative lipidomic analysis in cells and EVs derived from high- and low-metastatic triple-nega

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Bae, Sung Woo, Sunghee Jung, Sang Chul Choi, Mi Young Kim, and Stephen Beungtae Ryu. "Lipid Composition of Latex and Rubber Particles in Hevea brasiliensis and Taraxacum kok-saghyz." Molecules 25, no. 21 (2020): 5110. http://dx.doi.org/10.3390/molecules25215110.

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Natural rubber is usually synthesized in the rubber particles present in the latex of rubber-producing plants such as the Pará rubber tree (Hevea brasiliensis) and rubber dandelion (Taraxacum kok-saghyz). Since the detailed lipid compositions of fresh latex and rubber particles of the plants are poorly known, the present study reports detailed compound lipid composition, focusing on phospholipids and galactolipids in the latex and rubber particles of the plants. In the fresh latex and rubber particles of both plants, phospholipids were much more dominant (85–99%) compared to galactolipids. Amo

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MOCHIZUKI, Misato, Fumio TAKENAGA, Shingo ITOH, and Hideo TSUYUKI. "Lipid and Fatty Acid Compositions of Marine Phytoplanktons." NIPPON SHOKUHIN KAGAKU KOGAKU KAISHI 46, no. 1 (1999): 29–33. http://dx.doi.org/10.3136/nskkk.46.29.

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Ngoc, Lam Duong Bich, Nurlidia Mansor, Shuhaimi Mahadzir, Muhamad Fazizi Bin Adenan, and Billyianto Among Bato. "Growth and Lipid Compositions of Locally Isolated Microalgae." Journal of Applied Sciences 15, no. 3 (2015): 598–601. http://dx.doi.org/10.3923/jas.2015.598.601.

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Abdurakhmanova, N. A., A. Ya Ibragimov, A. K. Ganiev, L. G. Mezhlumyan, and N. K. Yuldasheva. "Amino-acid and lipid compositions of Gelrem preparation." Chemistry of Natural Compounds 46, no. 4 (2010): 669–70. http://dx.doi.org/10.1007/s10600-010-9711-5.

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Xu, Lina, Maximilian V. Schmitt, Huabin Ruan, et al. "Systematic Analysis of the Whole-Body Tissue Distribution and Fatty Acid Compositions of Membrane Lipids in CD1 and NMRI Mice and Wistar Rats." International Journal of Analytical Chemistry 2020 (November 30, 2020): 1–12. http://dx.doi.org/10.1155/2020/8819437.

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Understanding the tissue distribution of phospholipids and glycerolipids in animal models enables promoting the pharmacokinetic study of drugs and related PK predictions. The measurement of lipid compositions in animal models, usually mice and rats, without a standardized approach hindered the accuracy of PBPK investigation. In this work, high resolution mass spectrometry was applied to profile the tissue distribution of phospholipids and glycerolipids in 12 organs/tissues of mice and rats. Using this method, not only the amounts of phospholipids and glycerolipids in each organ/tissue but also

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Barreto-Ojeda, Estefania, Valentina Corradi, Ruo-Xu Gu, and D. Peter Tieleman. "Coarse-grained molecular dynamics simulations reveal lipid access pathways in P-glycoprotein." Journal of General Physiology 150, no. 3 (2018): 417–29. http://dx.doi.org/10.1085/jgp.201711907.

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P-glycoprotein (P-gp) exports a broad range of dissimilar compounds, including drugs, lipids, and lipid-like molecules. Because of its substrate promiscuity, P-gp is a key player in the development of cancer multidrug resistance. Although P-gp is one of the most studied ABC transporters, the mechanism by which its substrates access the cavity remains unclear. In this study, we perform coarse-grained molecular dynamics simulations to explore possible lipid access pathways in the inward-facing conformation of P-gp embedded in bilayers of different lipid compositions. In the inward-facing orienta

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Jones, A. L., A. C. Hann, J. L. Harwood, and D. Lloyd. "Temperature-induced membrane-lipid adaptation in Acanthamoeba castellanii." Biochemical Journal 290, no. 1 (1993): 273–78. http://dx.doi.org/10.1042/bj2900273.

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A method has been developed for the separation of the major membrane fractions of Acanthamoeba castellanii after growth at different temperatures. The acyl-lipid compositions of individual membrane fractions, microsomal membranes, plasma membrane and mitochondria were analysed after a shift in culture temperature from 30 degrees C to 15 degrees C. The major change in lipid composition observed was an alteration in the relative proportions of oleate and linoleate. This reciprocal change was seen in all the membrane fractions, but occurred most rapidly in the phosphatidylcholine of the microsoma

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Sandt, Christophe, and Ferenc Borondics. "A new typology of human hair medullas based on lipid composition analysis by synchrotron FTIR microspectroscopy." Analyst 146, no. 12 (2021): 3942–54. http://dx.doi.org/10.1039/d1an00695a.

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Chemical compositions of 130 human hair medullas were measured by synchrotron FTIR microscopy evidencing calcium carboxylates and unexpected chemical variability. Based on their lipid composition, human hair medullas were classified in 4 groups.

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Bowman, Andrew P., Jeroen F. J. Bogie, Jerome J. A. Hendriks, et al. "Evaluation of lipid coverage and high spatial resolution MALDI-imaging capabilities of oversampling combined with laser post-ionisation." Analytical and Bioanalytical Chemistry 412, no. 10 (2019): 2277–89. http://dx.doi.org/10.1007/s00216-019-02290-3.

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AbstractMatrix-assisted laser desorption/ionisation-mass spectrometry imaging (MALDI-MSI) is a powerful technique for visualising the spatial locations of lipids in biological tissues. However, a major challenge in interpreting the biological significance of local lipid compositions and distributions detected using MALDI-MSI is the difficulty in associating spectra with cellular lipid metabolism within the tissue. By-and-large this is due to the typically limited spatial resolution of MALDI-MSI (30–100 μm) meaning individual spectra represent the average spectrum acquired from multiple adjacen

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Verma, Aparna, Ningombam Sanjib Meitei, Prakash U. Gajbhiye, Mark J. Raftery, and Kiran Ambatipudi. "Comparative Analysis of Milk Triglycerides Profile between Jaffarabadi Buffalo and Holstein Friesian Cow." Metabolites 10, no. 12 (2020): 507. http://dx.doi.org/10.3390/metabo10120507.

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Milk lipids are known for a variety of biological functions, however; little is known about compositional variation across breeds, especially for Jaffarabadi buffalo, an indigenous Indian breed. Systematic profiling of extracted milk lipids was performed by mass spectrometry across summer and winter in Holstein Friesian cow and Jaffarabadi buffalo. Extensive MS/MS spectral analysis for the identification (ID) of probable lipid species using software followed by manual verification and grading of each assigned lipid species enabled ID based on (a) parent ion, (b) head group, and (c) partial/ful

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Karthikeyan, Velmurugan. "Biochemical Transition Effects of Fungi Fouling Disease in Penaeus Monodon Shrimp." Journal of Zoo Biology 3, no. 1 (2020): ACCEPTED. http://dx.doi.org/10.33687/zoobiol.003.01.2415.

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Penaeus monodon (black tiger shrimp) is one of the most cultured shrimp species in India. Biochemical compositions of such shrimp species play a major role in recent decades. The biochemical composition is an index to assess the nutritional quality of food sources. The present work endeavor is to analyze total protein, carbohydrates, total lipids, amino acids, fatty acids, vitamins and minerals from muscle tissues of both Gilbertella persicaria fungal fouling infected and healthy shrimp, P. monodon. The study animal was captured by cast net operation from cultured grow-out shrimp pond located

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Beavis, J., J. L. Harwood, G. A. Coles, and J. D. Williams. "Intraperitoneal phosphatidylcholine levels in patients on continuous ambulatory peritoneal dialysis do not correlate with adequacy of ultrafiltration." Journal of the American Society of Nephrology 3, no. 12 (1993): 1954–60. http://dx.doi.org/10.1681/asn.v3121954.

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A qualitative and quantitative study was undertaken to determine the lipid composition of dialysate effluent from patients maintained on continuous ambulatory peritoneal dialysis (CAPD). Effluent, after a 4-h, 2.27% dextrose dwell, was collected on ice, centrifuged and extracted for lipids with chloroform and methanol. Lipids were separated and identified by thin layer chromatography, and the constituent fatty acids were quantitated by gas liquid chromatography. Effluents from 10 patients were assayed at the commencement of CAPD treatment and again after 6 months of therapy. There was a signif

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Tereshchuk-, Lyubov. "Theoretical and Practical Aspects of the Development of a Balanced Lipid Complex of Fat Compositions." Foods and Raw Materials 2, no. 2 (2014): 59–67. http://dx.doi.org/10.12737/5461.

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Rencoret, Jorge, Ana Gutiérrez, and José C. del Río. "Lipid and lignin composition of woods from different eucalypt species." Holzforschung 61, no. 2 (2007): 165–74. http://dx.doi.org/10.1515/hf.2007.030.

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Abstract The lipid and lignin compositions of woods from the eucalypt species Eucalyptus globulus, E. nitens, E. maidenii, E. grandis, and E. dunnii have been characterized. The lipid composition was analyzed by GC and GC/MS using short- and medium-length high-temperature capillary columns, which allowed the detection of intact high-molecular-weight compounds. Similar lipid compositions were observed in all eucalypt woods, which were dominated by sitosterol, sitosterol esters and sitosteryl 3β-D-glucopyranoside. These substance classes are mainly responsible for pitch deposition during kraft p

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Zhao, Hongxia, and Pekka Lappalainen. "A simple guide to biochemical approaches for analyzing protein–lipid interactions." Molecular Biology of the Cell 23, no. 15 (2012): 2823–30. http://dx.doi.org/10.1091/mbc.e11-07-0645.

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Eukaryotic cells contain many different membrane compartments with characteristic shapes, lipid compositions, and dynamics. A large fraction of cytoplasmic proteins associate with these membrane compartments. Such protein–lipid interactions, which regulate the subcellular localizations and activities of peripheral membrane proteins, are fundamentally important for a variety of cell biological processes ranging from cytoskeletal dynamics and membrane trafficking to intracellular signaling. Reciprocally, many membrane-associated proteins can modulate the shape, lipid composition, and dynamics of

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Tanaka, Hideki, Yasunori Mizuta, and Takao Ichii. "Lipid Compositions and Their Seasonal Changes in Citrus Leaves." Engei Gakkai zasshi 66, no. 2 (1997): 297–306. http://dx.doi.org/10.2503/jjshs.66.297.

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Reading, Eamonn, Zoe Hall, Chloe Martens, et al. "Interrogating Membrane Protein Conformational Dynamics within Native Lipid Compositions." Angewandte Chemie International Edition 56, no. 49 (2017): 15654–57. http://dx.doi.org/10.1002/anie.201709657.

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Brouwers, Jos F., Marian Aalberts, Jeroen W. A. Jansen, et al. "Distinct lipid compositions of two types of human prostasomes." PROTEOMICS 13, no. 10-11 (2013): 1660–66. http://dx.doi.org/10.1002/pmic.201200348.

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Reading, Eamonn, Zoe Hall, Chloe Martens, et al. "Interrogating Membrane Protein Conformational Dynamics within Native Lipid Compositions." Angewandte Chemie 129, no. 49 (2017): 15860–63. http://dx.doi.org/10.1002/ange.201709657.

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Bay, Denice C., Sean C. Booth, and Raymond J. Turner. "Respiration and ecological niche influence bacterial membrane lipid compositions." Environmental Microbiology 17, no. 5 (2014): 1777–93. http://dx.doi.org/10.1111/1462-2920.12637.

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