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Role of transpiration in arsenic accumulation of hyperaccumulator Pteris vittata L.
Wan, Xiao-ming; Lei, Mei; Chen, Tong-bin; Yang, Jun-xing; Liu, Hong-tao; Chen, Yang
2015-11-01
Source PublicationENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
ISSN0944-1344
Volume22Issue:21Pages:16631-16639
AbstractMechanisms of Pteris vittata L. to hyperaccumulate arsenic (As), especially the efficient translocation of As from rhizoids to fronds, are not clear yet. The present study aims to investigate the role of transpiration in the accumulation of As from the aspects of transpiration regulation and ecotypic difference. Results showed that As accumulation of P. vittata increased proportionally with an increase in the As exposure concentration. Lowering the transpiration rate by 28 similar to 67 % decreased the shoot As concentration by 19 similar to 56 %. Comparison of As distribution under normal treatment and shade treatment indicated that transpiration determines the distribution pattern of As in pinnae. In terms of the ecotypic difference, the P. vittata ecotype from moister and warmer habitat had 40 % higher transpiration and correspondingly 40 % higher shoot As concentration than the ecotype from drier and cooler habitat. Results disclosed that transpiration is the main driver for P. vittata to accumulate and re-distribute As in pinnae.
SubtypeArticle
KeywordArsenic Ecotype Phytoextraction Pteris vittata L. Transpiration
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
WOS Subject ExtendedEnvironmental Sciences & Ecology
DOI10.1007/s11356-015-4746-6
WOS KeywordCADMIUM ACCUMULATION ; SEDUM-ALFREDII ; POPULATIONS ; GROWTH ; PLANT ; SOIL ; MECHANISMS ; AQUAGLYCEROPORINS ; TRANSLOCATION ; ABSORPTION
Indexed BySCI
Language英语
Funding OrganizationNational Natural Science Foundation of China(41301547) ; Program for "Bingwei" Excellent Talents in the Institute of Geographic Sciences and Natural Resources Research, CAS ; special fund for environment protection research in the public interest(201409044)
WOS SubjectEnvironmental Sciences
WOS IDWOS:000363964700035
PublisherSPRINGER HEIDELBERG
Citation statistics
Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/67858
Collection中国科学院地理科学与资源研究所
Corresponding AuthorLei, Mei
AffiliationChinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Wan, Xiao-ming,Lei, Mei,Chen, Tong-bin,et al. Role of transpiration in arsenic accumulation of hyperaccumulator Pteris vittata L.[J]. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,2015,22(21):16631-16639.
APA Wan, Xiao-ming,Lei, Mei,Chen, Tong-bin,Yang, Jun-xing,Liu, Hong-tao,&Chen, Yang.(2015).Role of transpiration in arsenic accumulation of hyperaccumulator Pteris vittata L..ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,22(21),16631-16639.
MLA Wan, Xiao-ming,et al."Role of transpiration in arsenic accumulation of hyperaccumulator Pteris vittata L.".ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH 22.21(2015):16631-16639.
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