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Two Na + and Cl − Hyperaccumulators of the Chenopodiaceae
Author(s) -
ZHAO KeFu,
FAN Hai,
SONG Jie,
SUN MingXia,
WANG BaoZeng,
ZHANG ShengQiang,
UNGAR I. A.
Publication year - 2005
Publication title -
journal of integrative plant biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.734
H-Index - 83
eISSN - 1744-7909
pISSN - 1672-9072
DOI - 10.1111/j.1744-7909.2005.00057.x
Subject(s) - hyperaccumulator , halophyte , chenopodiaceae , chemistry , microanalysis , sodium , botany , vacuole , heavy metals , biology , cytoplasm , salinity , environmental chemistry , biochemistry , organic chemistry , ecology , phytoremediation
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. (Managing editor: Ping HE)
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