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Keywords: osmolyte
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Journal Articles
J Exp Biol (2020) 223 (24): jeb233478.
Published: 29 December 2020
... groups of low-molecular weight cryoprotectants in intertidal invertebrates: osmolytes and anaerobic byproducts. In our study, we examined which group of candidate cryoprotectants correlate with plasticity in freeze tolerance in mussels using 1 H NMR metabolomics. We found that the freeze tolerance of M...
Includes: Supplementary data
Journal Articles
J Exp Biol (2008) 211 (18): 2969–2975.
Published: 15 September 2008
...Jon P. Costanzo; Richard E. Lee, Jr SUMMARY We tested the hypothesis that urea, an osmolyte accumulated early in hibernation, functions as a cryoprotectant in the freeze-tolerant wood frog, Rana sylvatica . Relative to saline-treated, normouremic (10 μmol ml –1 ) frogs, individuals rendered...
Journal Articles
J Exp Biol (2005) 208 (22): 4203–4211.
Published: 15 November 2005
...Masatomi Hosoi; Kazuharu Takeuchi; Hideki Sawada; Haruhiko Toyohara SUMMARY Most aquatic invertebrates adapt to environmental osmotic changes primarily by the cellular osmoconforming process, in which osmolytes accumulated in their cells play an essential role. Taurine is one of the most widely...
Journal Articles
J Exp Biol (2005) 208 (21): 4079–4089.
Published: 1 November 2005
...Jon P. Costanzo; Richard E. Lee, Jr SUMMARY The role of urea as a balancing osmolyte in osmotic adaptation is well known, but this `waste product' also has myriad other functions in diverse taxa. We report that urea plays an important, previously undocumented role in freezing tolerance of the wood...
Journal Articles
J Exp Biol (2005) 208 (15): 2819–2830.
Published: 1 August 2005
...Paul H. Yancey SUMMARY Organic osmolytes are small solutes used by cells of numerous water-stressed organisms and tissues to maintain cell volume. Similar compounds are accumulated by some organisms in anhydrobiotic, thermal and possibly pressure stresses. These solutes are amino acids...
Journal Articles
J Exp Biol (2004) 207 (12): 2021–2031.
Published: 15 May 2004
.... To study the ureosmotic capability of skate embryos, we measured a variety of possible osmolytes and ornithine–urea cycle (OUC) enzyme activities in little skate embryos,and determined their physiological response to dilute seawater (75% SW)exposure relative to controls (100% SW). The urea:trimethylamine...