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Publication Type J
Authors Xiong, Y. P., H. Z. Liang, H. F. Yan, B. Y. Guo, M. Y. Niu, S. Y. Chen, S. G. Jian, H. Ren, X. H. Zhang, Y. Li, S. J. Zeng, K. L. Wu, F. Zheng, J. A. T. da Silva and G. H. Ma
Title NaCl-induced stress: physiological responses of six halophyte species in in vitro and in vivo culture
Source Plant Cell Tissue and Organ Culture
Author Keywords Halophyte Clerodendrum inerme (L ) Gaertn Vitex rotundifolia L Phyla nodiflora (L ) Greene Scaevola sericea Vahl Alternanthera bettzickiana (Regel) Nichols Dracaena cambodiana Pierre ex Gagn Salt tolerance Physiological parameters bermudagrass cynodon-dactylon salt-tolerance transcriptome analysis arabidopsis-thaliana plant-growth gene salinity proline accumulation expression
Abstract Key message Six halophytic species showed a different salt tolerance level under in vitro and in vivo culture tests, due to the activities of antioxidant enzymes and the accumulation of free proline. To investigate the mechanisms underlying salt tolerance, physiological parameters of six halophyte species [Vitex rotundifolia L., Clerodendrum inerme (L.) Gaertn, Phyla nodiflora (L.) Greene, Scaevola sericea Vahl, Alternanthera bettzickiana (Regel) Nichols, and Dracaena cambodiana Pierre ex Gagn] under NaCl stress in in vitro and in vivo culture tests were examined. Membership function analysis and cluster analysis divided the six species, based on their salt tolerance level, into three groups: Group 1 (highly salt tolerant) included C. inerme, A. bettzickiana and S. sericea; Group 2 (moderately salt tolerant) included P. nodiflora; Group 3 (weakly salt tolerant) included V. rotundifolia and D. cambodiana. In response to in vitro NaCl stress, all six species showed a significant increase in the activities of antioxidant enzymes. NaCl stress enhanced free proline content in the leaves of all six species. CAT, SOD activity and proline accumulation were significantly correlated with the growth of C. inerme, P. nodiflora and A. bettzickiana under in vitro NaCl treatment. We conclude that NaCl-tolerant plants may suffer slight damage within a certain salt concentration, as evidenced by the activities of antioxidant enzymes and the accumulation of free proline.
Author Address [Xiong, Yuping; Liang, Hanzhi; Guo, Beiyi; Niu, Meiyun; Chen, Shuangyan; Jian, Shuguang; Ren, Hai; Zhang, Xinhua; Li, Yuan; Zeng, Songjun; Wu, Kunlin; Zheng, Feng; Ma, Guohua] Chinese Acad Sci, Guangdong Prov Key Lab Appl Bot, South China Bot Garden, Guangzhou 510650, Guangdong, Peoples R China. [Xiong, Yuping; Liang, Hanzhi; Guo, Beiyi; Niu, Meiyun] Univ Chinese Acad Sci, Beijing 100039, Peoples R China. [Yan, Haifeng] Guangxi Acad Agr Sci, Cash Crop Inst, Nanning 30007, Peoples R China. [da Silva, Jaime A. Teixeira] POB 7,Miki Cho PO,Ikenobe 3011-2, Miki, Kagawa 7610799, Japan. Ma, GH (reprint author), Chinese Acad Sci, Guangdong Prov Key Lab Appl Bot, South China Bot Garden, Guangzhou 510650, Guangdong, Peoples R China. 775133271@qq.com; lianghanzhi123@163.com; gstsyhf@163.com; 294471191@qq.com; niumeiyun@scbg.ac.cn; 2831716403@qq.com; jiansg@scbg.ac.cn; renhai@scbg.ac.cn; zhangxinhua@scbg.ac.cn; liyuan@scbg.ac.cn; zengsongjun@scbg.ac.cn; wkl8@scbg.ac.cn; zhengfeng@scbg.ac.cn; jaimetex@yahoo.com; magh@scib.ac.cn
ISSN 0167-6857
ISBN 0167-6857
29-Character Source Abbreviation Plant Cell Tissue Organ Cult.
Publication Date Dec
Year Published 2019
Volume 139
Issue 3
Beginning Page 531-546
Digital Object Identifier (DOI) 10.1007/s11240-019-01697-1
Unique Article Identifier WOS:000492945900001
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