Two Na+ and Cl- hyperaccumulators of the chenopodiaceae

被引：43
作者：
Zhao, KF [1 ]
Fan, H
Song, J
Sun, MX
Wang, BZ
Zhang, SQ
Ungar, IA
机构：
[1] Shandong Normal Univ, Inst Plant Stress, Jinan 250014, Peoples R China
[2] Ohio Univ, Dept Environm & Plant Ecol, Athens, OH 45701 USA
来源：
JOURNAL OF INTEGRATIVE PLANT BIOLOGY | 2005年 / 47卷 / 03期
关键词：
apoplast; Cl-; cytoplasm; hyperaccumulator; kalidium folium (Pall.) moq; Na+; Suaeda salsa (L.) pall; vacuole;
D O I：
10.1111/j.1744-7909.2005.00057.x
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 authors found five sodium (Na+) and chloride (Cl-) hyperaccumulating halophytes in the Temperate Desert of Xinjiang, China and studied two of them (Suaeda salsa (L.) Pall. and Kalidium folium (Pall.) Moq.). K. folium and S. salsa had a NaCl content of 32.1% and 29.8%, respectively, on a dry weight basis. X-ray microanalysis of the Na+ in the vacuole, apoplasts and cytoplasm of the two plants indicated a ratio of 7.3:5.6: 1.0 in K. folium and 7.3:6.6:1.0 in S. salsa. These data show that K. folium and S. salsa both have a high Na+ and Cl(-)accumulating capacity, which is related to high activity of tonoplast H+-ATPase and H+-PPase.
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页码：311 / 318
页数：8
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