Antifreeze proteins
Antifreeze Proteins: An Unusual Tale of Structural Evolution, Hydration and Function
... of proteins, called antifreeze proteins (AFPs) which cause depression of freezing point in a non-colligative ...exert antifreeze activity by adsorption-inhibition ...
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Site specific conjugation of antifreeze proteins onto polymer stabilized nanoparticles
... free antifreeze proteins on a valency-corrected basis confirming retention of activity in this ...that antifreeze protein can be incorporated into more complex assemblies to facilitate their ...
5
Antifreeze proteins in the primary urine of larvae of the beetle Dendroides canadensis
... ice-nucleating proteins and lipoproteins in the hemolymph to encourage ice formation in extracellular water (Zachariassen and Hammel, 1976; Neven et ...and antifreeze proteins, and elimination of ...
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Effects of antifreeze proteins on red blood cell survival during cryopreservation
... In conclusion, our results support the hypothesis set forth by Knight and Duman (1986) that inhibition of ice recrystallization by antifreeze proteins can help cells survive the rigors of freeze–thawing. It ...
6
Animal ice binding (antifreeze) proteins and glycolipids: an overview with emphasis on physiological function
... Ice-binding proteins (IBPs) assist in subzero tolerance of multiple cold-tolerant organisms: animals, plants, fungi, bacteria ...(1) antifreeze proteins (AFPs) with high thermal hysteresis ...
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Type-IV Antifreeze Proteins are Essential for Epiboly and Convergence in Gastrulation of Zebrafish Embryos
... type-IV antifreeze protein gene (afp4) [20]. Antifreeze proteins (AFPs) have been found in fungi, bacteria, plants and animals, and they can bind to ice crystals to inhibit growth and ...
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Structure and application of antifreeze proteins from Antarctic bacteria
... for antifreeze activity and microorganisms were selected for the presence of thermal hysteresis in their crude ...Modelled proteins showed a triangular prism form similar to β‑helix AFPs with a linear ...
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Structure activity relationship of the exopolysaccharide from a psychrophilic bacterium : a strategy for cryoprotection
... membrane proteins and lipopolysaccharides (Carillo et ...2004), antifreeze proteins (AFPs) and antifreeze glycoproteins (AFGPs), and cryoprotectants (Deming, ...
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Structure-activity relationship of the exopolysaccharide from a psychrophilic bacterium: A strategy for cryoprotection
... To assess any cryoprotective effect of this polysaccharide, ice recrystallization inhibition (IRI) activity was measured. Antifreeze proteins, antifreeze glycoproteins and severval synthetic polymers ...
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The development of solid state NMR methodology to study the dynamics of proteins and ice
... of antifreeze glycoproteins in polar fish, many more antifreeze glycoproteins and antifreeze proteins have been discovered across a vast range of ...complicated proteins, relatively ...
258
Freezing resistance of antifreeze deficient larval Antarctic fish
... Antarctic notothenioids, along with many other polar marine fishes, have evolved biological antifreeze proteins (AFPs) to survive in their icy environments. The larvae of Antarctic notothenioid fish hatch ...
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Polyproline is a minimal antifreeze protein mimetic and enhances the cryopreservation of cell monolayers
... Abstract: Tissue engineering, gene therapy, drug screening, and emerging regenerative medicine therapies are fundamen- tally reliant on high-quality adherent cell culture, but current methods to cryopreserve cells in ...
5
The rational design and applications of synthetic antifreeze protein mimics
... In the freezing polar regions of the Earth, Nature has evolved a number of methods to survive. One of these is freeze avoidance [1] (as opposed to freeze tolerance) [2] using antifreeze proteins (AFPs) or ...
281
Antifreeze protein mimetic metallohelices with potent ice recrystallization inhibition activity
... ABSTRACT: Antifreeze proteins are produced by extremophile species to control ice formation and growth, and they have potential applications in many fi ...metallo-organic antifreeze protein mimetics ...
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Ultralow dispersity poly(vinyl alcohol) reveals significant dispersity effects on ice recrystallization inhibition activity
... ABSTRACT: Polymer mimics of antifreeze proteins are emerging as an exciting class of macromolecular cryoprotectants for the storage of donor cells and tissue. Poly(vinyl alcohol), PVA, is the most potent ...
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Comparative overwintering physiology of Alaska and Indiana populations of the beetle Cucujus clavipes (Fabricius): roles of antifreeze proteins, polyols, dehydration and diapause
... of antifreeze proteins because AFPs had not previously been studied in Alaskan insects, even though they are now known to be common in Alaskan terrestrial arthropods (Duman et ...
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Antifreeze activities of various fungi and Stramenopila isolated from Antarctica
... freezing. Antifreeze proteins (AFPs) have the unique ability to attach to hexagonal ice crystals to inhibit their growth, resulting in depression of the freezing point of water and leading to protection of ...
6
Gold nanoparticle aggregation as a probe of antifreeze (glyco) protein inspired ice recrystallization inhibition and identification of new IRI active macromolecules
... native antifreeze proteins are often not suitable, nor easily ...serum proteins were identified to have weak, but specific ice recrystallization inhibition activity, which was removed upon ...
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Extracellular antifreeze protein significantly enhances the cryopreservation of cell monolayers
... of antifreeze proteins provide signi fi cant bene fi t to monolayer cryopreservation of cells which, according to previous literature, is likely correlated to their ice recrystallization inhibition activity ...
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Antifreeze activity in the gastrointestinal fluids of Arctogadus glacialis (Peters 1874) is dependent on food type
... accumulating antifreeze glycoproteins (AFGP) in their intestinal fluid and, in part, the source is the bile (O’Grady et ...of antifreeze proteins in nearly all the body fluids and tissues (Ahlgren et ...
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