Effect of calcium on ion contents and expression of photosynthetic related genes in honeysuckle under salt stress.
10.19540/j.cnki.cjcmm.20190325.106
- Author:
Lu-Yao HUANG
1
;
Zhuang-Zhuang LI
1
;
Long-Tai JU
1
;
Pan-Pan SUN
1
;
Guo-Zhen WU
1
;
Yu-Meng WU
1
;
Jia LI
1
Author Information
1. Shandong University of Traditional Chinese Medicine Ji'nan 250355,China.
- Publication Type:Journal Article
- Keywords:
Cab;
exogenous calcium;
honeysuckle(Lonicera japonica);
ion contents;
rbcL;
salt stress
- MeSH:
Calcium;
physiology;
Cations;
analysis;
Lonicera;
physiology;
Photosynthesis;
Salt Stress
- From:
China Journal of Chinese Materia Medica
2019;44(12):2452-2458
- CountryChina
- Language:Chinese
-
Abstract:
Exogenous calcium can enhance the resistance of certain plants to abiotic stress. Research have demonstrated that exogenous calcium could enhances the resistance of honeysuckle under salt stress by promoting the transmission of photosynthetic electrons.The aim of this study was to investigate the effects of exogenous calcium on the contents of Na~+,K~+,Ca~(2+),Mg~(2+)and the expression of photosynthetic related genes Cab and rbc L. In this study,we used ICP-OES to analysis ion contents and used qRT-PCR to analysis the expression patterns of Cab and rbc L. The results showed that CaCl_2 significantly enhanced the K~+-Na~+,Ca~(2+)-Na~+,Mg~(2+)-Na+ratio of honeysuckle treated with 50 and 100 mmol·L~(-1) NaCl. Meanwhile,Cab and rbc L were significantly up-regulated under short-term salt stress,and CaCl_2 promoted this trend. From the two gene expression patterns,rbc L rapidly up-regulated on the first day of stress and then decreased,and was more sensitive to environmental changes. In summary,exogenous calcium could alleviate salt stress and increase plant development by increasing intracellular K~+-Na~+,Ca~(2+)-Na~+,Mg~(2+)-Na+ratio,and the transient overexpression of Cab and rbc L.
