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Inhibition of protein synthesis in loblolly pine hypocotyls by mannitol-induced water stress
C Hulbert1, E A Funkhouser, E J Soltes
1Department of Forest Science, Texas Agricultural Experiment Station, Texas A&M University System, College Station, TX 77843, USA.
Abstract:
The relationship between mannitol-induced water stress and protein synthesis was investigated in hypocotyl slices of loblolly pine (Pinus taeda L.). Mannitol-induced water stress inhibited the incorporation of L-[(35)S]methionine into protein. As the water potential decreased, incorporation of label into protein decreased in both the soluble- and membrane-protein fractions. There were no significant differences in response to water stress among seed sources from four different geographical regions.
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