UC San Diego Team Determines Cellular Stress Within Body Is Critical...

Ascribe Higher Education News Service;  July 6, 2004 ;     700+ words ......particular type of cellular stress called osmotic stress is of critical importance to cell growth...cell proliferation under conditions of osmotic stress and is also necessary for the body's immune response to invading pathogens. Osmotic stress occurs when the concentration of ...

Integration of wounding and osmotic stress signals determines the...

Plant Physiology;  July 1, 2003 ;     700+ words ......named AtM4, are rapidly induced by osmotic stress or abscisic acid (ABA) treatment. Reporter...untranslated region is essential for the osmotic stress and wounding induced expression of...signals derived from both wounding and osmotic stress. Abscisic acid (ABA) is the major plant...

Requirement for the Polarisome and Formin Function in Ssk2p-Mediated Actin...

Genetics;  April 1, 2007 ;     700+ words ...ABSTRACT Osmotic stress induces activation of an adaptive...the actin cytoskeleton following osmotic stress. In this study, we have employed...is the primary mediator of the osmotic stress response (reviewed by Sheikh-Hamad...

Cyclic AMP and Aquaporin Trafficking

Plant Physiology;  August 1, 2004 ;     397 words ......target membrane under conditions of osmotic stress. Indeed, in animals, regulatory...distribution of McTIPl;2 is altered by osmotic stress. Differences in the response of McTIPl;2 to salt and osmotic stress suggest that the ionic component...

Identification of a Novel Gene Family Involved in Osmotic Stress Response...

Genetics;  November 1, 2006 ;     700+ words ......accumulates glycerol in response to osmotic stress, activated primarily by MAP kinase...different from yeast to mount a response to osmotic stress. ALL living organisms have mechanisms...taurine (BURG et al. 1997). Adaptation to osmotic stress has been studied extensively in yeast...

Proteomic Identification of Annexins, Calcium-Dependent Membrane Binding...

Plant Cell;  June 1, 2004 ;     700+ words ......annAt4, displayed hypersensitivity to osmotic stress and abscisic acid (ABA) during germination...and AnnAt4 play important roles in osmotic stress and ABA signaling in a Ca^sup 2+^-dependent...cytosol, which in turn induce ionic and osmotic stress in plants, respectively. ...

The effect of water on the rate of conformational change in protein...

Biophysical Journal;  November 1, 2001 ;     700+ words ......photodissociation of aqueous HbCO complex under osmotic stress induced by the nonbinding cosolute...constants and amplitudes as a function of osmotic stress and viscosity. Increases in time constants...for small cosolutes showed that both osmotic stress and solvent viscosity are ...

Osmotic stress induces terminal differentiation in cultured normal human...

In Vitro Cellular & Developmental Biology;  May 1, 2008 ;     700+ words ......possible signal is dehydration or osmotic stress. To test this hypothesis, we investigated the effects of osmotic stress on markers of differentiation...induce a dehydration effect or osmotic stress on the keratinocytes. These sorbitol...

Osmotic induction of stress-responsive gene expression in the lobster...

The Biological Bulletin;  December 1, 2002 ;     700+ words ......Homarus americanus, encounters osmotic stress throughout its life cycle. To understand the molecular basis of osmotic stress responses in vivo, we used homologous...polyubiquitin during hypo- and hyper-osmotic stress in abdominal muscle and hepatopancreas...

An Arabidopsis GSK3/shaggy-like gene that complements yeast salt...

Plant Physiology;  April 1, 1999 ;     700+ words ......suggest that AtGSK1 is involved in the osmotic stress response in Arabidopsis. Abbreviations...changes that occur upon exposure to osmotic stress (Walton, 1980; DuPont, 1992; Bohnert...of different mechanisms to cope with osmotic stress. Responses are especially well understood...

Osmotic and curvature stress affect PEG-induced fusion of lipid vesicles...

Biophysical Journal;  April 1, 2002 ;     700+ words ......close contact was not influenced by osmotic stress or membrane curvature, although pore...same part of the fusion process as osmotic stress. We interpret this result to suggest...concentrations of 20-40 wt%, causing osmotic stress of cells or vesicles when PEG added...

Novel Regulation of Aquaporins during Osmotic Stress1

Plant Physiology;  August 1, 2004 ;     700+ words ......regulation and redistribution in response to osmotic stress was investigated. Ice plant (Mesembryanthemum...maintain cellular osmolarity under osmotic-stress conditions. It seems intuitively obvious...which accompanies the perception of osmotic stress, have been shown to regulate the ...

Uncoupling the Effects of Abscisic Acid on Plant Growth and Water...

Plant Physiology;  October 1, 2004 ;     700+ words ......ABA levels increase in response to osmotic stress has been greatly assisted by knowledge...AAO3, and ABA3/LOS5, is increased by osmotic stress (Xiong et al., 2001). Furthermore...wild-type plants when challenged with osmotic stress. In a screen of T-DNA insertion-tagged...

The role of hydration on the mechanism of allosteric regulation: In situ...

Biophysical Journal;  January 1, 2003 ;     700+ words ......water-accessible surface area, isobaric osmotic stress experiments in aqueous cosolutions...agree with the ones determined by osmotic stress in aqueous cosolutions, from the linkage...Parsegian et al., 1995). The proposal of osmotic stress strategy has greatly contributed to...

Arabidopsis TARGET OF RAPAMYCIN Interacts with RAPTOR, Which Regulates the...

Plant Cell;  February 1, 2006 ;     700+ words ......kinase (S6K) in response to osmotic stress. RAPTOR1 also interacts in...S6K1 activity was sensitive to osmotic stress, while PDK1 activity was not...However, S6K1 sensitivity to osmotic stress was relieved by co-overexpression...