Hydrogen sulphide alleviates oxidative damage and enhances light energy transformation under high light for Dendrobium officinale
文献类型： 外文期刊
作者： Fan, Honghong 1 ; Guan, Lei 1 ; Li, Tingchun 1 ; Wu, Qiuju 1 ; Wu, Meijuan 1 ; Cai, Yongping 1 ; Lin, Yi 1 ;
作者机构： 1.Anhui Agr Univ, Dept Life Sci, Hefei 230036, Peoples R China
2.Anhui Acad Agr Sci, Hefei 230031, Peoples R China
关键词： Dendrobium officinale;High light stress;Hydrogen sulphide;Photoinhibition
期刊名称：SCIENTIA HORTICULTURAE （ 影响因子：3.463； 五年影响因子：3.672 ）
ISSN：
年卷期：
页码：
收录情况： SCI
摘要： Hydrogen sulphide (H2S) is an important biological messenger in plants, which has been implicated in response to abiotic stress. To study the effects of H2S on plant under high light menace, the seedlings of Dendrobium officinale were selected and treated with high light (800 mu mol m(-2) s(-1)) to simulate photoinhibition. After application of sodium hydrogen sulphide (NaHS), the antioxidant enzyme activities and chlorophyll fluorescence parameters were determined. The results showed that the plant supplied with 200 mu mol L-1 NaHS maintained higher activities of antioxidant enzymes and lower content of malondialdehyde (MDA) during high light treatment. However, higher concentration of NaHS (600 mu mol L-1) enhanced the effects of high light stress for plant. For further analysis of the response mechanism against to high light, the chlorophyll fluorescence parameters were determined. As a result, when the seedlings were treated with 200 mu mol L-1 NaHS, levels of chlorophyll parameters: Fv/Fm, Phi(PSII), Phi(NPQ), qP, qL, NPQ and ETR were obviously increased. The parameter Phi(NO) was maintained lower. 200 mu mol L-1 NaHS treatment alleviated the photoinhibition and preserved the PSII from the photodamage. Contrarily, 600 mu mol L-1 NaHS treatment enhanced the photoinhibition and photodamage to PSII. Thus, the protection effect on plant under high light stress depends on the concentrations of H2S. These results may imply that 200 mu mol L-1 NaHS treatment triggered increase of antioxidant enzyme activities, which may be the reason that H2S could protect PSII against oxidative damage caused by high light
- 相关文献
作者其他论文 更多>>
-
Identification and functional analysis of ZmDLS associated with the response to biotic stress in maize
作者：Wang, Yiting;Zou, Jie;Li, Jiali;Fan, Honghong;Kong, Fanna;Xu, Dafeng;Li, Jiaxin;Yang, Huaying;Zhang, Lin;Li, Tingchun;Xu, Lina
关键词：maize; terpene synthase; corn borer bite; Fusarium graminearum attack; defense response; transcription factor
-
Effects on stone cell development and lignin deposition in pears by different pollinators
作者：Yan, Chongchong;Qi, Yongjie;Yan, Chongchong;Qi, Yongjie;Zhang, Nan;Xu, Chao;Jin, Qing;Cai, Yongping;Zhang, Nan
关键词：'Dangshan Su' pear; pollination; stone cell clusters; microscopy; ultramicroscopy
-
Dynamic Transcriptome-Based Weighted Gene Co-expression Network Analysis Reveals Key Modules and Hub Genes Associated With the Structure and Nutrient Formation of Endosperm for Wax Corn
作者：Li, Tingchun;Kong, Fanna;Dong, Qing;Xu, Dafeng;Liu, Guihu;Lei, Yanli;Yang, Huaying;Zhou, Yingbing;Li, Cheng
关键词：waxy corn; floury endosperm; dynamic comparative transcriptome analysis; weighted gene co-expression network analysis; modules and hub genes
-
Weighted gene co-expression network analysis reveals key module and hub genes associated with the anthocyanin biosynthesis in maize pericarp
作者：Li, Tingchun;Dong, Qing;Wang, Fang;Kong, Fanna;Liu, Guihu;Lei, Yanli;Yang, Huaying;Zhou, Yingbing;Li, Cheng;Wang, Yiting
关键词：anthocyanins; pericarp; comparative dynamic transcriptome analysis; weighted gene co-expression network analysis; maize
-
Functional Analysis and Precise Location of m-1a in Rice
作者：Dong, Qing;Shen, Jia;Wang, Fang;Qi, Yaocheng;Jiang, Chaoqiang;Zu, Chaolong;Li, Tingchun
关键词：T-DNA; insertion mutant; chalkiness; amylose; starch synthesis genes
-
Comparative genomic analysis of the COBRA genes in six Rosaceae species and expression analysis in Chinese white pear (Pyrus bretschneideri)
作者：Zhao, Yu;Wang, Xinya;Wang, Mengna;Feng, Xiaofeng;Manzoor, Muhammad Aamir;Cai, Yongping;Su, Xueqiang
关键词：Phylogenetic analysis; COBRA; Rosaceae species; Pyrus bretschneideri; Secondary cell wall (SCW)
-
Comparative genomic analysis of superoxide dismutase (SOD) genes in three Rosaceae species and expression analysis in Pyrus bretschneideri
作者：Li, Guohui;Zhang, Yang;Zhao, Yu;Wang, Han;Chen, Tianzhe;Cheng, Xi;Cai, Yongping;Hu, Fei
关键词：Superoxide dismutases (SODs); Pyrus bretschneideri; Expression analysis; Lignin; Rosaceae species
