Relevant bibliographies by topics / Protein-Lipid

Academic literature on the topic 'Protein-Lipid'

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Published: 7 September 2023

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Journal articles on the topic "Protein-Lipid"

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Loew, Stephan, Anne Hinderliter, and Sylvio May. "Stability of protein-decorated mixed lipid membranes: The interplay of lipid-lipid, lipid-protein, and protein-protein interactions." Journal of Chemical Physics 130, no. 4 (January 28, 2009): 045102. http://dx.doi.org/10.1063/1.3063117.

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Salminen, H., R. Kivikari, and M. Heinonen. "Protein-lipid interactions during oxidation of liposomes." Czech Journal of Food Sciences 22, SI - Chem. Reactions in Foods V (January 1, 2004): S133—S135. http://dx.doi.org/10.17221/10636-cjfs.

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Oxidation of bovine serum albumin and its interaction with phenolic red raspberry and bilberry extracts (4.2 and 8.4 μg/ml) was investigated in a liposome system. Samples were incubated in the dark at 37°C with copper, and the extent of oxidation was measured by determing the loss of tryptophan fluorescence and the formation of protein carbonyls, conjugated diene hydroperoxides and hexanal. Both red raspberry and bilberry extracts inhibited lipid and protein oxidation. Red raspberry extract in 4.2 μg/ml concentration was the best inhibitor against both lipid and protein oxidation. In conclusion, oxidative deterioration due to protein-lipid oxidation is inhibited by phenolic compounds in berries.
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Epand, Richard M. "Lipid polymorphism and protein–lipid interactions." Biochimica et Biophysica Acta (BBA) - Reviews on Biomembranes 1376, no. 3 (November 1998): 353–68. http://dx.doi.org/10.1016/s0304-4157(98)00015-x.

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Lee, Anthony G. "Lipid–protein interactions." Biochemical Society Transactions 39, no. 3 (May 20, 2011): 761–66. http://dx.doi.org/10.1042/bst0390761.

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Intrinsic membrane proteins are solvated by a shell of lipid molecules interacting with the membrane-penetrating surface of the protein; these lipid molecules are referred to as annular lipids. Lipid molecules are also found bound between transmembrane α-helices; these are referred to as non-annular lipids. Annular lipid binding constants depend on fatty acyl chain length, but the dependence is less than expected from models based on distortion of the lipid bilayer alone. This suggests that hydrophobic matching between a membrane protein and the surrounding lipid bilayer involves some distortion of the transmembrane α-helical bundle found in most membrane proteins, explaining the importance of bilayer thickness for membrane protein function. Annular lipid binding constants also depend on the structure of the polar headgroup region of the lipid, and hotspots for binding anionic lipids have been detected on some membrane proteins; binding of anionic lipid molecules to these hotspots can be functionally important. Binding of anionic lipids to non-annular sites on membrane proteins such as the potassium channel KcsA can also be important for function. It is argued that the packing preferences of the membrane-spanning α-helices in a membrane protein result in a structure that matches nicely with that of the surrounding lipid bilayer, so that lipid and protein can meet without either having to change very much.
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Blom, Tomas, and Elina Ikonen. "Lipid–protein interactions." Current Opinion in Lipidology 23, no. 6 (December 2012): 581–83. http://dx.doi.org/10.1097/mol.0b013e32835a4166.

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Seelig, Joachim. "Protein meets lipid." Chemistry and Physics of Lipids 149 (September 2007): S1. http://dx.doi.org/10.1016/j.chemphyslip.2007.06.002.

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Balla, T. "Inositol-lipid binding motifs: signal integrators through protein-lipid and protein-protein interactions." Journal of Cell Science 118, no. 10 (May 15, 2005): 2093–104. http://dx.doi.org/10.1242/jcs.02387.

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Feng, Li. "Probing lipid–protein interactions using lipid microarrays." Prostaglandins & Other Lipid Mediators 77, no. 1-4 (September 2005): 158–67. http://dx.doi.org/10.1016/j.prostaglandins.2004.09.003.

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Levine, Tim P. "A lipid transfer protein that transfers lipid." Journal of Cell Biology 179, no. 1 (October 8, 2007): 11–13. http://dx.doi.org/10.1083/jcb.200709055.

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Very few lipid transfer proteins (LTPs) have been caught in the act of transferring lipids in vivo from a donor membrane to an acceptor membrane. Now, two studies (Halter, D., S. Neumann, S.M. van Dijk, J. Wolthoorn, A.M. de Maziere, O.V. Vieira, P. Mattjus, J. Klumperman, G. van Meer, and H. Sprong. 2007. J. Cell Biol. 179:101–115; D'Angelo, G., E. Polishchuk, G.D. Tullio, M. Santoro, A.D. Campli, A. Godi, G. West, J. Bielawski, C.C. Chuang, A.C. van der Spoel, et al. 2007. Nature. 449:62–67) agree that four-phosphate adaptor protein 2 (FAPP2) transfers glucosylceramide (GlcCer), a lipid that takes an unexpectedly circuitous route.
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Taniguchi, Hisaaki. "Protein myristoylation in protein–lipid and protein–protein interactions." Biophysical Chemistry 82, no. 2-3 (December 1999): 129–37. http://dx.doi.org/10.1016/s0301-4622(99)00112-x.

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Dissertations / Theses on the topic "Protein-Lipid"

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Deol, Sundeep Singh. "Analysis of lipid-protein interactions." Thesis, University of Oxford, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.424760.

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Rathnayake, Sewwandi S. "A BIOPHYSICAL CHARACTERIZATION OF PROTEIN-LIPID INTERACTIONS OF THE LIPID DROPLET BINDING PROTEIN, PERILIPIN 3." Kent State University / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=kent1469552680.

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Carr, Neil Owen. "Lipid binding and lipid-protein interaction in wheat flower dough." Thesis, University of Reading, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.293285.

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A study of lipid CClIplexirq in wheat floor ck:ujl has been made in an att:en¢ to explain the decrease in lipid extractability occurrin;J on dough developnent. '!be involvement of dough protein in this process has been assessa:i am new concepts have been evaluatai in the light of the known functionality of lipids in breadInakinI. PUblished W'Ork has irx:ticata:l that low IIDlecular \¥eight gluten proteins (ligolins) have a highly specific function in bin:ti.rg lipid. USl.rxJ similar fractionation methods to the plblished \¥Ork, it was possible to confirm this protein-lipid associaticn, although detergent cx:mtamination was d:JseIved followin;J the experimental procedure. It was sham that protein-lipid associaticn developed only in the preserx=e of detergent, whien led to a questionin;J of the pI'O{X)SeCi lipid bi.n::tin;J role of these low mlecular \¥eight proteins. It was also shown that the use of certain organic solvents can be unsatisfactory in the stlrly of protein-lipid interaction in dough. Fractionation by dilute acid provided evi~ that the 'baJnj' lipids of gluten were primarily in high mlecular \¥eight form, represented at least in part by a lip:JSaDal dispersion, whien were reasoned to be eri:e:tied within the gluten J'le'bvork in a oon-specific way. It was corcl.uled that interaction bet\¥een protein am such interactive lipid rmses ccW.d be responsible for the biniin:J of lipid durin;J dough develq:ment. Further sttnies are reported ~ the infll.lelDa of short:eni.n:J fat on lipid biniin;J. While there was sane in:lication that hard fat functionality was linked to an ability to maintain a critical pool of 'free' polar lipid, further work is required to investigate this early tentative CXl'd.usion. 'lhese stmies have been di srussed against a background of published WOrk, which has led to speculations al the nature and signifi~ of lipid b~ in the breadInakinI process. -
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PERISSINOTTO, FABIO. "Lipid raft formation and lipid-protein interactions in model membranes." Doctoral thesis, Università degli Studi di Trieste, 2018. http://hdl.handle.net/11368/2919798.

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The biological membranes of eukaryotic organisms contain functional, highly dynamic nano-domains called "lipid rafts" (LRs) which are enriched in cholesterol, sphingolipids and GPI-anchor proteins. They are involved in several biological processes which implicate or are mediated by the plasma membrane. Moreover, LRs seem to have a critical role in the onset of some neurodegenerative diseases such as the Alzheimer’s disease (AD), Parkinson’s disease (PD) and Prion protein disorders. In the last two decades, the complexity of studying such domains in living cells has caused a growing interest in the use and design of artificial membrane models, which mimic the structure and composition of biological membranes. In this context, I promoted the formation and investigated the properties of lipid raft domains in artificial lipid bilayers by exploiting Atomic Force Microscopy (AFM). I compared two different fabrication methods for the production of artificial lipid bilayers, the drop-casting and the direct vesicle fusion techniques. I started from one-component lipid membranes and I progressively moved towards more complex models, as binary and ternary lipid compositions, in order to study the main LRs features in relation to specific biological phenomena, such as protein-lipid interactions involved in particular pathological diseases. The direct vesicle fusion method appeared to be the most suitable approach in term of reproducibility, stability and control of lipid composition. I took advantage from this method for carrying out a morphological characterization of raft-like model membranes composed by phosphocoline (DOPC), sphingomyelin (SM) and cholesterol focusing in particular on lipid phase behavior. Membranes exhibited the coexistence of two lipid phases, the fluid phase made by DOPC, and the solid-ordered phase made by SM and cholesterol, the latter resembling raft-like domains. With selected 3-component lipid systems, I then investigated the distribution of GM1 ganglioside, a LR marker, into my system, demonstrating its preferential localization in the nano-domains and highlighting the feasibility and versatility of model membrane technology. For the first time, I studied the binding of synthetic full-length Prion protein (PrPc), carrying a C-terminal membrane anchor (MA), to LRs domains. The conversion of PrPc into the scrapie isoform PrPsc, which displays high propensity to aggregate leading to cytotoxicity, has been reported to take place into LRs and to be influenced by lipid-anchors. I demonstrated with this study the propensity of this protein to specifically target LR domains of my artificial systems, observing an aggregation process occurring even at low protein concentrations. A comparative analysis with PrPc lacking of MA is however required to assess the role of lipid-anchor into the protein distribution and aggregation. Finally, in the last part of my research I focused on the study of the role of iron ions in the interaction between alpha synuclein (αS) and lipid membranes. αS is the central protein of PD and the presence of amyloid αS fibrils is the main pathological hallmark of the disease. By AFM in combination with attenuated total reflectance infrared (ATR-IR) spectroscopy, I compared the structural behavior of the wild-type (wt) and a mutant form of αS (A53T) in presence of Fe2+ ions and the effect of the iron ions on the interaction with my artificial membrane, and specifically with LRs.
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Morrow, Isabel C. "Protein-lipid interactions within the cell /." [St. Lucia, Qld.], 2004. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe18271.pdf.

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Bromley, Emma. "Protein and lipid based bioinorganic composites." Thesis, University of Bristol, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.441316.

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Punyamoonwongsa, Patchara. "Synthetic analogues of protein-lipid complexes." Thesis, Aston University, 2007. http://publications.aston.ac.uk/9803/.

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Hypercoiling poly(styrene-alt-maleic anhydride) (PSMA) is known to undergo conformational transition in response to environmental stimuli. The association of PSMA with lipid 2-dilauryl-sn-glycero-3-phosphocholine (DLPC) produces polymer-lipid complex analogues to lipoprotein assemblies found in lung surfactant. These complexes represent a new bio-mimetic delivery vehicle with applications in the cosmetic and pharmaceutical industries. The primary aim of this study was to develop a better understanding of PSMA-DLPC association by using physical and spectroscopic techniques. Ternary phase diagrams were constructed to examine the effects of various factors, such as molecular weight, pH and temperature on PSMA-DLPC association. 31P-NMR spectroscopy was used to investigate the polymorphic changes of DLPC upon associating with PSMA. The Langmuir Trough technique and surface tension measurement were used to explore the association behaviour of PSMA both at the interface and in the bulk of solution, as well as its interaction with DLPC membranes. The ultimate aim of this study was to investigate the potential use of PSMA-DLPC complexes to improve the bioavailability and therapeutic efficacy of a range of drugs. Typical compounds of ophthalmic interest range from new drugs such as Pirenzepine, which has attracted clinical interest for the control of myopia progression, to the well-established family of non-steroid anti-inflammatory drugs. These drugs have widely differing structures, sizes, solubility profiles and pH-sensitivities. In order to understand the ways in which these characteristics influence incorporation and release behaviour, the marker molecules Rhodamine B and Oil Red O were chosen. PSMA-DLPC complexes, incorporated with marker molecules and Pirenzepine, were encapsulated in hydrogels of the types used for soft contact lenses. Release studies were conducted to examine if this smart drug delivery system can retain such compounds and deliver them at a slow rate over a prolonged period of time.
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Botelho, Ana Vitoria. "Lipid-protein interactions: Photoreceptor membrane model." Diss., The University of Arizona, 2005. http://hdl.handle.net/10150/280765.

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G-protein coupled receptors (GPCRs) are transmembrane proteins capable of recognizing an astonishing variety of biological signals, ranging from photons of light to hormones, odorants, and neurotransmitters involved in key biological signaling processes. The aim of this work is to identify how lipid-protein interactions involving the membrane bilayer ultimately affect such vital biological functions. Here the relationship between the bilayer thickness, hydrophobic mismatch, and protein aggregation are investigated by expanding the framework of membrane-receptor interactions in terms of a new flexible surface model. Previously, we have shown how coupling of the elastic stress-strain due to mismatch of the spontaneous curvature and hydrophobic thickness at the lipid/protein interface can govern the conformational transitions of membrane proteins. This approach has now been extended to include coupling of the lateral organization of the GPCR rhodopsin to the curvature and area stress and strain of the proteolipid membrane. Rhodopsin was labeled with site-specific fluorophores, and a FRET technique was employed to probe protein association in different lipid environments. Moreover, UV-visible spectroscopy was used for thermodynamic characterization of the conformational change of rhodopsin. Lastly, the deformation of the lipids with and without rhodopsin was probed in terms of acyl chain order parameters and relaxation rates by solid-state NMR methods, giving insight into the lipid deformation. The results showed that optimal receptor activation occurs in phosphatidylcholine bilayers of 20-carbon acyl chain length, hence one can say that metarhodopsin II is likely to adopt an elongated shape. Lipids promoting aggregation, or below their gel to liquid crystalline transition temperature all favor formation of metarhodopsin I. The data also showed that association and activation of rhodopsin do not always correlate. In terms of the extended flexible surface model, the stress due to hydrophobic mismatch is coupled via the effective number of lipids surrounding the protein due to the lateral organization of the membrane. The measured changes in rhodopsin-rhodopsin interactions and membrane influences on the conformation of the protein after photoisomerization may be crucial to understanding physiological regulation of the rod disk membranes. They are relevant to understanding the complexity of biomembranes involved in many cellular mechanisms, including signal transduction.
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Saeed, Suhur. "Lipid oxidation mechanisms and lipid-protein interactions in frozen mackerel (Scomber scombrus)." Thesis, University of Surrey, 1998. http://epubs.surrey.ac.uk/843251/.

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Atlantic mackerel (Scomber scombrus) is a pelagic fish widely distributed along the Northern coast of Great Britain. The lipid content of mackerel was found to be about 13% of the total body weight and 50% of total fatty acids were eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) (fatty acids which are reported to reduce the concentration of plasma triglycerides, LDL (low density lipoproteins) and cholesterol in humans and animals). The proximate analysis also showed that mackerel is a good source of protein (20% w/w). The poly unsaturated fatty acids (PUFA) are prone to oxidation during frozen storage leading to rancidity and protein damage. Thus the objective of this project was to prolong the shelf-life of mackerel by controlling and understanding lipid oxidation mechanisms. HPLC, GCMS and 13C NMR spectroscopy were used for the first time to monitor the production of hydroperoxides and their secondary products in fish matched pairs of mackerel fillets were stored at either -20°C or -30°C. In addition fillets were also stored with or without different antioxidants at -20°C. The development of lipid oxidation products were recorded for up to 24 months. The oxidation products identified were mixtures of alcohol derivatives of hydroperoxides, namely: 13-hydroxy-9-trans, 11-cis-octadecadienoic, 13-hydroxy-9-trans, 11-trans-octadecadienoic, 9-hydroxy-10-cis, 12-transoctadecadienoic and 9-hydroxy-10-trans, 12-transoctadecadienoic acids. The amount of hydroxides produced were higher in fillets stored at -20°C compared with fillets stored at -30°C. Similarly, the hydroperoxides produced were considerably higher in samples stored without antioxidant than in fillets stored with vitamin E. In this study the transfer of radicals from lipid oxidation to proteins and subsequent formation of protein-cross-links has been reported for the first time. The interaction between lipids and proteins were examined by both ESR and fluoroscence spectroscopy. A central esr free radical (g )signal was observed in both simple systems (methyl linoleate and pure amino acids) and complex systems (fish lipid and pure proteins (lysozyme, ovalbumin) or fish protein (myosin)). The esr signal reached a maximum within a week and then started to decline and with a concomitant increase in a pinkish yellow chromogen. This chromogen which was soluble in organic solvent and fluoresced at an excitation wavelength 360 nm and emission wavelength 420 nm and indicated the formation of protein cross-links. Synthetic (BHT, BHA) and natural (vitamins E, C) antioxidants were capable of preventing both the radical transfer and protein cross-linking. In this study lipoxygenase was isolated from mackerel flesh and its involvement in lipid oxidation mechanism was established. The molecular weight of partially purified lipoxygenase was 119,000 Daltons. This enzyme was capable of oxidising arachidonic acid to 12-hydroeicosatetraenoic acid (12-HETE), which was identified by HPLC. This 12-HETE was absent in pure arachidonic acid and in samples to which boiled enzyme was added. Conventional inhibitors, synthetic and natural antioxidants also inhibited the formation of 12-HETE, indicating the importance of lipoxygenase in fish lipid oxidation. During frozen storage, protein solubility decreased and the texture deteriorated in Atlantic mackerel stored for 3, 6, 12 and 24 months at -20°C and -30°C. There was an increase in peroxide value and TBARS; decrease in myosin ATPase activity a decrease in myofibrillar protein solubility in high salt concentration as well as formation of high molecular weight aggregates which showed low thermal stability and high G' and G" modulus values. There were significant differences (P < 0.01) between samples stored at -20°C and -30°C, with greater deterioration evident in samples stored at -20°C. Similarly, there were significant differences (P < 0.01) between samples stored with and without antioxidants; the samples stored without antioxidants deteriorated faster than samples stored with antioxidants. This suggests the involvement of lipid oxidation products in protein deterioration during frozen storage.
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Connell, E. J. "Protein-lipid interactions in synaptic vesicle exocytosis." Thesis, University of Cambridge, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.597894.

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The fusion of neurotransmitter-filled synaptic vesicles with the pre-synaptic membrane in response to calcium influx is exquisitely regulated. Synaptic vesicle exocytosis is energetically demanding and the neuronal SNARE proteins syntaxin, SNAP25 and synaptobrevin have come to prominence as the driving engines behind this process. Resident on both vesicular and pre-synaptic membranes they form a stable four-helical bundle, the assembly of which contributes to membrane fusion. However, SNAREs do not act in isolation during synaptic vesicle exocytosis but are instead regulated by a complex web of interactions with other proteins including synaptotagmin, a calcium-sensing component of the vesicle itself, and Munc18, a highly-conserved cytosolic protein. In addition, changes in the lipid environment surrounding the SNAREs play a critical role. In this thesis I report the results of two lines of investigation, into both synaptotagmin’s and Munc18’s action. Firstly, I consider the significance of the cytoplasmic double C2 domain structure of synaptotagmin. Using several strategies including a novel real-time absorbance assay, I show that these tandem C2 domains, but neither domain alone, rapidly cross-link lipid membranes in the presence of calcium. This property is conserved. Cross-linking ability can be masked in full-length synaptotagmin, via an electrostatic interaction with the membrane in which it is embedded. Finally, I address the mechanism of arachidonic acid action on syntaxin/Munc18, showing that this lipid activates Munc18-bound syntaxin and that a Munc18/syntaxin/SNAP25 assembly exists in brain. Arachidonic acid also activates free syntaxin, defining a molecular target for the reported role of this lipid in the promotion of vesicle fusion. My data are incorporated into a revised model of the protein-lipid interactions underlying synaptic vesicle exocytosis.
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Books on the topic "Protein-Lipid"

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Mateo, C. Reyes, Javier Gómez, José Villalaín, and José M. González-Ros, eds. Protein-Lipid Interactions. Berlin, Heidelberg: Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/3-540-28435-4.

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Kleinschmidt, Jörg H., ed. Lipid-Protein Interactions. Totowa, NJ: Humana Press, 2013. http://dx.doi.org/10.1007/978-1-62703-275-9.

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Kleinschmidt, Jörg H., ed. Lipid-Protein Interactions. New York, NY: Springer New York, 2019. http://dx.doi.org/10.1007/978-1-4939-9512-7.

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Capelluto, Daniel G. S., ed. Lipid-mediated Protein Signaling. Dordrecht: Springer Netherlands, 2013. http://dx.doi.org/10.1007/978-94-007-6331-9.

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Op den Kamp, Jos A. F., ed. Lipid and Protein Traffic. Berlin, Heidelberg: Springer Berlin Heidelberg, 1998. http://dx.doi.org/10.1007/978-3-642-51463-0.

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Capelluto, Daniel G. S. Lipid-mediated Protein Signaling. Dordrecht: Springer Netherlands, 2013.

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Morris, Keith S. Lipid - protein interactions in beer. Birmingham: University of Birmingham, 1985.

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Kleinschmidt, Jörg H. Lipid-protein Interactions: Methods and protocols. New York: Humana Press, 2013.

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Bolgar, M. S. Mass spectrometric charaterization of lipid/protein conjugates. Manchester: UMIST, 1996.

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Kamp, J.A.F. Op den., ed. Protein, lipid and membrane traffic: Pathways and targeting. Amsterdam: IOS Press, 2000.

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Book chapters on the topic "Protein-Lipid"

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White, Stephen H., Tara Hessa, and Gunnar von Heijne. "Lipid Bilayers, Translocons and the Shaping of Polypeptide Structure." In Protein-Lipid Interactions, 1–25. Weinheim, FRG: Wiley-VCH Verlag GmbH & Co. KGaA, 2006. http://dx.doi.org/10.1002/3527606769.ch1.

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Podbilewicz, Benjamin, and Leonid V. Chernomordik. "Cell Fusion in Development and Disease." In Protein-Lipid Interactions, 219–44. Weinheim, FRG: Wiley-VCH Verlag GmbH & Co. KGaA, 2006. http://dx.doi.org/10.1002/3527606769.ch10.

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Vites, Olga, and Reinhard Jahn. "Molecular Mechanisms of Intracellular Membrane Fusion." In Protein-Lipid Interactions, 245–77. Weinheim, FRG: Wiley-VCH Verlag GmbH & Co. KGaA, 2006. http://dx.doi.org/10.1002/3527606769.ch11.

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Lai, Alex L., Yinling Li, and Lukas K. Tamm. "Interplay of Proteins and Lipids in Virus Entry by Membrane Fusion." In Protein-Lipid Interactions, 279–303. Weinheim, FRG: Wiley-VCH Verlag GmbH & Co. KGaA, 2006. http://dx.doi.org/10.1002/3527606769.ch12.

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Kusumi, Akihiro, Kenichi Suzuki, Junko Kondo, Nobuhiro Morone, and Yasuhiro Umemura. "Protein-Lipid Interactions in the Formation of Raft Microdomains in Biological Membranes." In Protein-Lipid Interactions, 305–36. Weinheim, FRG: Wiley-VCH Verlag GmbH & Co. KGaA, 2006. http://dx.doi.org/10.1002/3527606769.ch13.

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Schwille, Petra, Nicoletta Kahya, and Kirsten Bacia. "Protein and Lipid Partitioning in Locally Heterogeneous Model Membranes." In Protein-Lipid Interactions, 337–65. Weinheim, FRG: Wiley-VCH Verlag GmbH & Co. KGaA, 2006. http://dx.doi.org/10.1002/3527606769.ch14.

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Cho, Wonhwa, and Robert V. Stahelin. "In vitro and Cellular Membrane-binding Mechanisms of Membrane-targeting Domains." In Protein-Lipid Interactions, 367–401. Weinheim, FRG: Wiley-VCH Verlag GmbH & Co. KGaA, 2006. http://dx.doi.org/10.1002/3527606769.ch15.

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Cafiso, David S. "Structure and Interactions of C2 Domains at Membrane Surfaces." In Protein-Lipid Interactions, 403–22. Weinheim, FRG: Wiley-VCH Verlag GmbH & Co. KGaA, 2006. http://dx.doi.org/10.1002/3527606769.ch16.

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Canagarajah, Bertram, William J. Smith, and James H. Hurley. "Structural Mechanisms of Allosteric Regulation by Membrane-binding Domains." In Protein-Lipid Interactions, 423–36. Weinheim, FRG: Wiley-VCH Verlag GmbH & Co. KGaA, 2006. http://dx.doi.org/10.1002/3527606769.ch17.

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Kleinschmidt, Jörg H. "Folding and Stability of Monomeric β-Barrel Membrane Proteins." In Protein-Lipid Interactions, 27–56. Weinheim, FRG: Wiley-VCH Verlag GmbH & Co. KGaA, 2006. http://dx.doi.org/10.1002/3527606769.ch2.

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Conference papers on the topic "Protein-Lipid"

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"Protein-lipid nanoparticles for studying G-protein coupled receptors functional properties." In Bioinformatics of Genome Regulation and Structure/Systems Biology (BGRS/SB-2022) :. Institute of Cytology and Genetics, the Siberian Branch of the Russian Academy of Sciences, 2022. http://dx.doi.org/10.18699/sbb-2022-146.

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Timmons, Sheila, Jadwiqa Grabarek, and Jack Hawiqer. "ENDOTOXIC LIPID A INDUCES BINDING OF FIBRINOGEN TO HUMAN PLATELETS VIA PROTEIN KINASE C PATHWAY." In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1644252.

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Endotoxic Lipid A is the biologically active principle of lipopolysaccharide of Gram-negative bacteria, a most frequent cause of sepsis underlying Disseminated Intravascular Coagulation (DIC) and shock. We have shown that endotoxic Lipid A activates Protein Kinase C in human platelets. Phosphorylation of a 47kDa protein (P47), a marker for Protein Kinase C activation, was observed within the first minute of interaction of Lipid A with platelets. This was accompanied by gradual exposure of the receptor for 125I-labeled fibrinogen (F). Binding of 125I-F was saturable and specific. When Lipid X, a precursor of endotoxic Lipid A and its competitive inhibitor, was used, the binding of 125I-F was blocked with 50% inhibition at a 1:1 stoichiometry between Lipid X and Lipid A. At the same time, phosphorylation of P47 was prevented. Since Lipid X constitutes a "half molecule" of Lipid A, we interpret these results as indicative of competitive blocking of endotoxic Lipid A in terms of Protein Kinase C activation and exposure of platelet receptors for fibrinogen. Binding of fibrinogen is necessary for platelet aggregation and endotoxic Lipid A-induced aggregation was also blocked by Lipid X. Endotoxic Lipid A-induced exposure of fibrinogen receptors via the Protein Kinase C pathway can contribute to involvement of platelets in microcirculatory thrombosis observed in patients with DIC and Gram-negative sepsis
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Munch, Katharina, Claire Berton-Carabin, Karin Schroen, and Simeon Stoyanov. "Plant protein-stabilized emulsions: Implications of protein and non-protein components for lipid oxidation." In 2022 AOCS Annual Meeting & Expo. American Oil Chemists' Society (AOCS), 2022. http://dx.doi.org/10.21748/zznf4565.

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The use of plant proteins to stabilize oil-in-water (O/W) emulsions has been an increasing trend lately. The complexity of the available plant protein ingredients, along with the proteins’ physicochemical properties, require advanced processing that typically leads to substantial concentrations of non-protein components in the final isolates or concentrates. It is known that those components, such as polyphenols, phytic acid or phospholipids, can have a strong influence on the oxidative stability of emulsions. Thus, to understand the oxidative stability of plant protein-stabilized emulsions, the influence of the non-protein components also needs to be considered. Many food emulsions, such as mayonnaise or infant formula, are stabilized by not only proteins, but also phospholipids. Such an interfacial protein-phospholipid combination can also be found in oleosomes, natural lipid droplets which show a high oxidative stability. This stability has been attributed to their interfacial architecture in which oleosins and phospholipids form a tight physical barrier against pro-oxidant species. However, while the antioxidant properties of proteins are widely reported, the contribution of phospholipids to lipid oxidation in plant protein-based emulsions remains underexplored. In this work, we investigated how mixed interfacial plant proteins and phospholipids may be rationally used to control the oxidative stability of O/W emulsions. The interfacial composition was modulated by varying the ratio between pea proteins and sunflower phosphatidylcholine (PC) while keeping the total concentration of pea proteins constant. Increasing the phospholipid-to-protein ratio led to a monotonic decrease in the concentration of proteins and an increase of phospholipids at the interface, while the oxidative stability of those O/W emulsions changed in a non-monotonic pattern. The results were put in perspective by embedding them in a context of reviewing the potential implications of typical components in plant protein ingredients on lipid oxidation.
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Alharbi, Naif, Michael Krone, Matthieu Chavent, and Robert S. Laramee. "VAPLI: Novel Visual Abstraction for Protein-Lipid Interactions." In 2018 IEEE Scientific Visualization Conference (SciVis). IEEE, 2018. http://dx.doi.org/10.1109/scivis.2018.8823785.

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Knutson, Jay R., Raymond F. Chen, D. K. Porter, Preston Hensley, Myun K. Han, S. J. Kim, Samuel H. Wilson, M. Clague, and Cynthia K. Williamson. "Fluorescence quenching in proteins: some applications to protein-DNA and protein-lipid interactions." In OE/LASE '92, edited by Joseph R. Lakowicz. SPIE, 1992. http://dx.doi.org/10.1117/12.58205.

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Sawae, Y., and T. Murakami. "The Cooperative Effects of Protein and Lipid on Wear Behavior of Ultra-High Molecular Weight Polyethylene." In World Tribology Congress III. ASMEDC, 2005. http://dx.doi.org/10.1115/wtc2005-63678.

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The cooperative effects of protein and lipid on the wear behavior of ultra-high molecular weight polyethylene (UHMWPE) was examined in laboratory wear tests with a multidirectional sliding pin-on-plate wear tester. Results indicated that the protein and lipid composition of lubricant used in the wear test had substantial effects on the wear behavior of UHMWPE sliding against a metal counter face. Not only the amount of protein and lipid content but also a preparation procedure of the lubricant might affect the UHMWPE wear.
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Estevez, Mario, David Morcuende, and Teresa Antequera. "Interplay Between Lipid and Protein Carbonyls During Oxidative Reactions." In Virtual 2021 AOCS Annual Meeting & Expo. American Oil Chemists’ Society (AOCS), 2021. http://dx.doi.org/10.21748/am21.347.

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Becker, Jamie Erin. "Water limitation alters arthropod protein and lipid intake targets." In 2016 International Congress of Entomology. Entomological Society of America, 2016. http://dx.doi.org/10.1603/ice.2016.111078.

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Caffrey, Martin. "Lipid Phase Behavior: Databases, Rational Design and Membrane Protein Crystallization." In ASME 2008 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2008. http://dx.doi.org/10.1115/sbc2008-192724.

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The relationship that exists between structure and function is a unifying theme in my varied biomembrane-based research activities. It applies equally well to the lipid as to the protein component of membranes. With a view to exploiting information that has been and that is currently being generated in my laboratory, as well as that which exists in the literature, a number of web-accessible, relational databases have been established over the years. These include databases dealing with lipids, detergents and membrane proteins. Those catering to lipids include i) LIPIDAT, a database of thermodynamic information on lipid phases and phase transitions, ii) LIPIDAG, a database of phase diagrams concerning lipid miscibility, and iii) LMSD, a lipid molecular structures database. CMCD is the detergent-based database. It houses critical micelle concentration information on a wide assortment of surfactants under different conditions. The membrane protein data bank (MPDB) was established to provide convenient access to the 3-D structure and related properties of membrane proteins and peptides. The utility and current status of these assorted databases will be described and recommendations will be made for extending their range and usefulness.
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Zhang, Jingnan, Bovie Hong, Mehdi Abdollahi, Marie Alminger, and Ingrid Undeland. "Lingonberry Press-cake Inhibits Lipid Oxidation During Ph-shift Processing of Herring Co-products and Subsequent Ice Storage of Recovered Protein Isolates." In 2022 AOCS Annual Meeting & Expo. American Oil Chemists' Society (AOCS), 2022. http://dx.doi.org/10.21748/ztsa6947.

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Lipid oxidation has been reported as a problem when recovering functional proteins from herring filleting co-products using the pH-shift method. Motivated by the wish for clean label and sustainable development within the food industry, we have earlier shown good oxidation-inhibiting potential when adding 30% (dw/dw) of seven different antioxidant-containing underutilized materials including agricultural/shellfish side streams and seaweeds, both during processing and during subsequent ice storage of protein isolates. Lingonberry press-cake has been recognized as the most promising. However, at 30% addition, it reduced protein yields, increased consumption of base, and dramatically changed the color and texture of protein isolates. Here, we investigated how reducing the lingonberry press-cake addition from 30% to 2.5% affected protein yields and base consumption during processing as well as lipid-oxidative stability, composition and appearance of protein isolates. < ![if !supportLineBreakNewLine] > < ![endif] >Aligned with our hypothesis, lower lingonberry addition yielded increased protein yields, reduced base consumption and lightened color of protein isolates. The results of hexenal, heptanal and octanal revealed that 2.5% addition of lingonberry press-cake efficiently limited lipid oxidation during pH-shift processing, and 10% was enough to also prevent the formation of above-mentioned volatile aldehydes during 7 days of ice storage. Based on the wish of higher protein yield and saving base while at the same time avoiding lipid oxidation, combining herring filleting co-products with 10% lingonberry press cake (dw/dw) was recognized as a very promising raw material combination for new types of protein isolates which will be subject for further studies.
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Reports on the topic "Protein-Lipid"

1

Gruner, Sol M. Lipid Dependent Mechanisms of Protein Pump Activity. Fort Belvoir, VA: Defense Technical Information Center, April 1993. http://dx.doi.org/10.21236/ada264848.

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Gruner, Sol M. Lipid Dependent Mechanisms of Protein Pump Activity. Fort Belvoir, VA: Defense Technical Information Center, May 1991. http://dx.doi.org/10.21236/ada236426.

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Ahl, Patrick L. Structure and Function of Polymerizable Protein/Lipid Bilayers. Fort Belvoir, VA: Defense Technical Information Center, September 1990. http://dx.doi.org/10.21236/ada227829.

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Ohlrogge, J. B. Role of acyl carrier protein isoforms in plant lipid metabolism: Progress report. Office of Scientific and Technical Information (OSTI), January 1989. http://dx.doi.org/10.2172/6210587.

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Kazlet, Karsten. Protein, Lipid, Chemical and Structural Signatures of Differentially-Cultivated Francisella tularensis and Acinetobactor baumannii. Fort Belvoir, VA: Defense Technical Information Center, March 2014. http://dx.doi.org/10.21236/ada602482.

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Sandermann, Heinrich, Duncan Jr., and Thomas M. Lipid-Dependent Membrane Enzymes. Kinetic Modelling of the Activation of Protein Kinase C by Phosphatidylserine. Fort Belvoir, VA: Defense Technical Information Center, January 1991. http://dx.doi.org/10.21236/ada302987.

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Xiao, Shan, Wan Gang Zhang, Eun Joo Lee, and Dong U. Ahn. Lipid and Protein Oxidation of Chicken Breast Rolls as Affected by Dietary Oxidation Levels and Packaging. Ames (Iowa): Iowa State University, January 2013. http://dx.doi.org/10.31274/ans_air-180814-631.

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Xiao, Shan, Wan Gang Zhang, Eun Joo Lee, and Dong U. Ahn. Effects of Diet, Packaging and Irradiation on Protein Oxidation, Lipid Oxidation of Raw Broiler Thigh Meat. Ames (Iowa): Iowa State University, January 2013. http://dx.doi.org/10.31274/ans_air-180814-728.

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9

Porat, Ron, Gregory T. McCollum, Amnon Lers, and Charles L. Guy. Identification and characterization of genes involved in the acquisition of chilling tolerance in citrus fruit. United States Department of Agriculture, December 2007. http://dx.doi.org/10.32747/2007.7587727.bard.

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Citrus, like many other tropical and subtropical fruit are sensitive to chilling temperatures. However, application of a pre-storage temperature conditioning (CD) treatment at 16°C for 7 d or of a hot water brushing (HWB) treatment at 60°C for 20 sec remarkably enhances chilling tolerance and reduces the development of chilling injuries (CI) upon storage at 5°C. In the current research, we proposed to identify and characterize grapefruit genes that are induced by CD, and may contribute to the acquisition of fruit chilling tolerance, by two different molecular approaches: cDNA array analysis and PCR cDNA subtraction. In addition, following the recent development and commercialization of the new Affymetrix Citrus Genome Array, we further performed genome-wide transcript profiling analysis following exposure to CD and chilling treatments. To conduct the cDNA array analysis, we constructed cDNA libraries from the peel tissue of CD- and HWB-treated grapefruit, and performed an EST sequencing project including sequencing of 3,456 cDNAs from each library. Based on the obtained sequence information, we chose 70 stress-responsive and chilling-related genes and spotted them on nylon membranes. Following hybridization the constructed cDNA arrays with RNA probes from control and CD-treated fruit and detailed confirmations by RT-PCR analysis, we found that six genes: lipid-transfer protein, metallothionein-like protein, catalase, GTP-binding protein, Lea5, and stress-responsive zinc finger protein, showed higher transcript levels in flavedo of conditioned than in non-conditioned fruit stored at 5 ᵒC. The transcript levels of another four genes: galactinol synthase, ACC oxidase, temperature-induced lipocalin, and chilling-inducible oxygenase, increased only in control untreated fruit but not in chilling-tolerant CD-treated fruit. By PCR cDNA subtraction analysis we identified 17 new chilling-responsive and HWB- and CD-induced genes. Overall, characterization of the expression patterns of these genes as well as of 11 more stress-related genes by RNA gel blot hybridizations revealed that the HWB treatment activated mainly the expression of stress-related genes(HSP19-I, HSP19-II, dehydrin, universal stress protein, EIN2, 1,3;4-β-D-glucanase, and SOD), whereas the CD treatment activated mainly the expression of lipid modification enzymes, including fatty acid disaturase2 (FAD2) and lipid transfer protein (LTP). Genome wide transcriptional profiling analysis using the newly developed Affymetrix Citrus GeneChip® microarray (including 30,171 citrus probe sets) revealed the identification of three different chilling-related regulons: 1,345 probe sets were significantly affected by chilling in both control and CD-treated fruits (chilling-response regulon), 509 probe sets were unique to the CD-treated fruits (chilling tolerance regulon), and 417 probe sets were unique to the chilling-sensitive control fruits (chilling stress regulon). Overall, exposure to chilling led to expression governed arrest of general cellular metabolic activity, including concretive down-regulation of cell wall, pathogen defense, photosynthesis, respiration, and protein, nucleic acid and secondary metabolism. On the other hand, chilling enhanced various adaptation processes, such as changes in the expression levels of transcripts related to membranes, lipid, sterol and carbohydrate metabolism, stress stimuli, hormone biosynthesis, and modifications in DNA binding and transcription factors.
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Zilberstein, Aviah, Bo Liu, and Einat Sadot. Studying the Involvement of the Linker Protein CWLP and its Homologue in Cytoskeleton-plasma Membrane-cell Wall Continuum and in Drought Tolerance. United States Department of Agriculture, June 2012. http://dx.doi.org/10.32747/2012.7593387.bard.

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The study has been focused on proline-rich proteins from the HyPRP family. Three proline-rich proteins have been characterized with the CWLP as the main objective. We showed that this unique protein is assembled in the plasma membrane (PM) and forms a continuum between the cell wall (CW) and cytosol via the PM. While spanning the PM, it is arranged in lipid rafts as CWLP-aquaporin complexes that recruit PP2A-β”, as a part of PP2A enzyme, close to the aquaporin moiety where it dephosphorylates two crucial Ser residues and induces closure of the aquaporin water channels. The closure of water channels renders cells more tolerant to plasmolysis and plants to dehydration. This unique effect was observed not only in Arabidopsis, but also in potato plants over expressing the CWLP, suggesting a possible usage in crop plants as a valve that reduces loss of water or/and elevates cold resistance. The CWLP is a member of the HyPRP protein family that all possess structurally similar 8CM domain, predicted to localize to PM lipid rafts. In this study, two additional highly homologous HyPRP proteins were also studied. The GPRP showed the same localization and it’s over expression increased tolerance to lack of water. However, the third one, PRP940, despite sharing high homology in the 8CM domain, is completely different and is assembled in parallel to cortical microtubules in the cell. Moreover, our data suggest that this protein is not involved in rendering plants resistant to lack of water. We suggest implying CWLP as a tool for better regulation of water maintenance in crop plants.
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