The Physiology and Biochemistry Analyzing of Programmed Cell Death under Drought Stress in Malus hupehensis and M. sieversii

ACTA HORTICULTURAE SINICA ›› 2007, Vol. 34 ›› Issue (2): 275-278.

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The Physiology and Biochemistry Analyzing of Programmed Cell Death under Drought Stress in Malus hupehensis and M. sieversii

TAN Dong-mei^1,2 ,XU Xue-Feng¹, LI Tian-zhong¹, and HAN Zhen-hai^1*

(¹Institute for Horticultural Plants, China Agricultural University, Beijing 100094, China; ²Department of Agriculture and Engineering, Weifang University, Weifang, Shandong 261061, China)

Received:2006-09-14 Revised:2007-03-23 Online:2007-04-25 Published:2007-04-25
Contact: HAN Zhen-hai

Abstract

Abstract: Seedlings of Malus sieversii and M. hupehensis treated with polyethylene glycol ( PEG6000)were used to study the characters of Malus species under drought stress. DNA Ladderswere found in roots and leaves in these species after being subjected to drought stress. And the results ofWestern blotting showed that blots appeared in leaves but not in roots. These results indicated that drought stress could induce programmed cell death in Malus plants. And Caspase-3 was produced in leaves in these two Malus species during this
process.

Key words: Malus, Drought stress, Programmed cell death, DNA Ladder, Caspase23

CLC Number:

S 661

TAN Dong-mei;;XU Xue-Feng;LI Tian-zhong;and HAN Zhen-hai. The Physiology and Biochemistry Analyzing of Programmed Cell Death under Drought Stress in Malus hupehensis and M. sieversii[J]. ACTA HORTICULTURAE SINICA, 2007, 34(2): 275-278.

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The Physiology and Biochemistry Analyzing of Programmed Cell Death under Drought Stress in Malus hupehensis and M. sieversii

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