LIPID AND STEROL CHANGES IN LEAVES OF HABERLEA-RHODOPENSIS AND RAMONDA-SERBICA AT TRANSITION FROM BIOSIS INTO ANABIOSIS AND VICE-VERSA CAUSED BY WATER-STRESS

被引:33
作者
STEFANOV, K
MARKOVSKA, Y
KIMENOV, G
POPOV, S
机构
[1] BULGARIAN ACAD SCI,CTR PHYTOCHEM,INST ORGAN CHEM,BU-1113 SOFIA,BULGARIA
[2] UNIV SOFIA,FAC BIOL,DEPT PLANT PHYSIOL,BU-1000 SOFIA,BULGARIA
关键词
HABERLEA-RHODOPENSIS; RAMONDA-SERBICA; GESNERIACEAE; LIPIDS; STEROLS; WATER STRESS; RESTORATION;
D O I
10.1016/0031-9422(92)83270-9
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The lipid and sterol composition of leaves of Haberlea rhodopensis and Ramonda serbica and their changes at different water deficits and restoration from anabiosis in light and dark were investigated. Lipid and sterol composition changes more drastically at 50% water deficit, while at 87% water deficit (air-dried plant) it is similar to that of fresh plants. This is an indication that there is almost full adaptation of the investigated plants in the stage of anabiosis. The restoration in light leads to lipid and sterol composition similar to that of the fresh plants, while restoration in dark leads to a composition similar to that of half-dried plants.
引用
收藏
页码:2309 / 2314
页数:6
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