[Effects of space flight on medicinal plant Agastache rugosa (Fisch. et Mey.) O. Ktze].
OBJECTIVE
To substantiate the effect of space conditions on medicinal plants.


METHODS
The seeds of Agastache rugosa were set up in retrievable satellites. After returning to earth, the changes of isozymes of peroxidases, esterase and soluble proteins were studied.


RESULTS
The peroxidase activity and protein content of the weightless group were a little lower than those of the earth controlled group, while these two items of the hit group were higher than those of the earth controlled group. The electrophoresis patterns of isoperoxidases and isoeasterase of these three groups, as well as the protein patterns of the weightless group and the earth controlled group were found alike. But the protein patterns of the hit group were different from those of the other two groups.


CONCLUSIONS
The effect of weightlessness is smaller than that of the high energy heavy ions on Agastache rugosa. Different plants have different susceptibility to space conditions.
Gao
W
W
Institute of Medicinal Plant, Chinese Academy of Medical Sciences, Beijing.
Zhao
S
S
Xue
L
L
Quan
L
L
Xiao
P
P
D002681:China; D004586:Electrophoresis; D004950:Esterases / Q000378:metabolism; D020450:Heavy Ions; D007527:Isoenzymes; D010544:Peroxidases / Q000378:metabolism; D010940:Plant Proteins / Q000378:metabolism; D010946:Plants, Medicinal / Q000201:enzymology / Q000378:metabolism* / Q000528:radiation effects; D012639:Seeds / Q000201:enzymology / Q000378:metabolism / Q000528:radiation effects; D013026:Space Flight; D014893:Weightlessness
D007527:Isoenzymes; D010940:Plant Proteins; D010544:Peroxidases; D004950:Esterases