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题目:: Cell growth and water relations of the halophyte, Atriplex nummularia L., in response to NaCl.
作者:: Casas(A M),Bressan(R A),Hasegawa(P M)
状态:: 发布时间2013-11-13 , 更新时间 2013-11-13
期刊:: Plant Cell Rep
摘要:: Growth reduction or cessation is an initial response of Atriplex nummularia L. cells to NaCl. However, A. nummularia L. cells that are adapted to 342 and 428 mM NaCl are capable of sustained growth in the presence of salt. Cells that are adapted to NaCl exhibit a reduced rate of division compared to unadapted cells. Unlike salt adapted cells of the glycophyte Nicotiana tabacum L., A. nummularia L. cells do not exhibit reduced rate of cell expansion after adaptation. However, the cell expansion rate of unadapted A. nummularia L. cells is considerably slower than that of unadapted glycophyte cells and this normally low rate of cell expansion may contribute to the enhanced capacity of the halophyte to tolerate salt. Turgor of NaCl adapted cells was equivalent to unadapted cells indicating that the cells of the halophyte do not respond to salt by osmotic "over adjustment" as reported for the glycophyte tobacco (Binzel et al. 1985, Plant Physiol. 79:118-125).
语言:: eng
DOI:: 10.1007/BF00236462

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