The Synthesis of Cytosolic Ascorbate Peroxidases in Germinating Seeds and Seedlings of Soybean and Their Behavior under Flooding Stress

被引：6
|
作者：
Nishizawa, Keito [1 ]
Hiraga, Susumu [1 ]
Yasue, Hiroshi [2 ]
Chiba, Mitsuru [2 ]
Tougou, Makoto [1 ]
Nanjo, Yohei [1 ]
Komatsu, Setsuko [1 ]
机构：
[1] NARO Inst Crop Sci, Tsukuba, Ibaraki 3058518, Japan
[2] Natl Inst Agrobiol Sci, Tsukuba, Ibaraki 3058602, Japan
来源：
BIOSCIENCE BIOTECHNOLOGY AND BIOCHEMISTRY | 2013年 / 77卷 / 11期
关键词：
soybean; flooding stress; ascorbate peroxidase; germinating seed; seedling; HEAT-SHOCK; MOLECULAR-CLONING; GENE-EXPRESSION; RE-AERATION; INDUCTION; RESPONSES; SUPPRESSION; TOLERANCE; ROOTS; SENSE;
D O I：
10.1271/bbb.130384
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：
Cytosolic ascorbate peroxidases (cAPXs) of soybean have been found by proteome analysis to be downregulated in submerged seedlings. To elucidate the physiological meaning of this downregulation, soybean cAPXs were characterized in this study. Vigorous synthesis was detected in germinating seeds and seedlings. Expression of the corresponding genes was detected clearly in tissues that actively underwent cell division. The gene expression was suppressed by flooding stress, but not by salinity, cold or drought stress. The expression recovered 1 d after release from flooding stress, accompanied by growth resurgence.
引用
收藏
页码：2205 / 2209
页数：5
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