您好,欢迎访问广东省农业科学院 机构知识库!

Involvement of Polyamine Oxidase-Produced Hydrogen Peroxide during Coleorhiza-Limited Germination of Rice Seeds

文献类型: 外文期刊

作者: Chen, Bing-Xian 1 ; Li, Wen-Yan 1 ; Gao, Yin-Tao 1 ; Chen, Zhong-Jian 1 ; Zhang, Wei-Na 1 ; Liu, Qin-Jian 1 ; Chen, Zh 1 ;

作者机构: 1.Guangdong Acad Agr Sci, Argobiol Gene Res Ctr, Guangzhou, Guangdong, Peoples R China

关键词: seed germination;polyamine oxidases;hydrogen peroxide;Oryza sativa;OsPAO5;gene expression;in silco analysis

期刊名称:FRONTIERS IN PLANT SCIENCE ( 影响因子:5.753; 五年影响因子:6.612 )

ISSN: 1664-462X

年卷期: 2016 年 7 卷

页码:

收录情况: SCI

摘要: Seed germination is a complicated biological process that requires regulated enzymatic and non-enzymatic reactions. The action of polyamine oxidase (PAO) produces hydrogen peroxide (H2O2), which promotes dicot seed germination. However, whether and, if so, how PAOs regulate monocot seed germination via H2O2 production is unclear. Herein, we report that the coleorhiza is the main physical barrier to radicle protrusion during germination of rice seed (a monocot seed) and that it does so in a manner similar to that of dicot seed micropylar endosperm. We found that H2O2 specifically and steadily accumulated in the coleorhizae and radicles of germinating rice seeds and was accompanied by increased PAO activity as the germination percentage increased. These physiological indexes were strongly decreased in number by guazatine, a PAO inhibitor. We also identified 11 PAO homologs (OsPAO1-11) in the rice genome, which could be classified into four subfamilies (I, Ila, Ilb, and III). The OsPAO genes in subfamilies I, Ila, and Ilb (OsPAO1-7) encode PAOs, whereas those in subfamily III (OsPAO8-11) encode histone lysine-specific demethylases. In silico-characterized expression profiles of OsPAO1-7 and those determined by qPCR revealed that OsPAO5 is markedly upregulated in imbibed seeds compared with dry seeds and that its transcript accumulated to a higher level in embryos than in the endosperm. Moreover, its transcriptional abundance increased gradually during seed germination in water and was inhibited by 5 mM guazatine. Taken together, these results suggest that PAO-generated H2O2 is involved in coleorhiza-limited rice seed germination and that OsPAO(5) expression accounts for most PAO expression and activity during rice seed germination. These findings should facilitate further study of PAOs and provide valuable information for functional validation of these proteins during seed germination of monocot cereals.

  • 相关文献

[1]Reactive Oxygen Species Generated by NADPH Oxidases Promote Radicle Protrusion and Root Elongation during Rice Seed Germination. Li, Wen-Yan,Chen, Bing-Xian,Chen, Zhong-Jian,Gao, Yin-Tao,Chen, Zhuang,Liu, Jun. 2017

[2]Soaking, Temperature, and Seed Placement Affect Seed Germination and Seedling Emergence of Litchi chinensis. Ou, Liangxi.

[3]The hotter the weather, the greater the infestation of Portulaca oleracea: opportunistic life-history traits in a serious weed. Feng, L.,Chen, G-Q,Tian, X-S,Yang, H-M,Yue, M-F,Yang, C-H.

[4]Kinetic Modeling of the Electro-Fenton Process: Quantification of Reactive Oxygen Species Generation. Qiu, Shan,He, Di,Waite, T. David,Ma, Jinxing,Liu, Tongxu.

[5]DYNAMICS OF SEED GERMINATION, SEEDLING GROWTH AND PHYSIOLOGICAL RESPONSES OF SWEET CORN UNDER PEG-INDUCED WATER STRESS. Li, Wu,Zhang, Xiaolan,Suo, Haicui,Li, Gaoke,Li, Wu,Zhang, Xiaolan,Suo, Haicui,Li, Gaoke,Li, Wu,Suo, Haicui,Ashraf, Umair,Mo, Zhaowen. 2017

[6]The germin-like protein OsGLP2-1 enhances resistance to fungal blast and bacterial blight in rice. Liu, Qing,Zhang, Shaohong,Zhao, Junliang,Yang, Tifeng,Wang, Xiaofei,Mao, Xingxue,Dong, Jingfang,Liu, Bin,Liu, Qing,Zhang, Shaohong,Zhao, Junliang,Yang, Tifeng,Wang, Xiaofei,Mao, Xingxue,Dong, Jingfang,Liu, Bin,Yang, Jianyuan,Wang, Wenjuan,Zhu, Xiaoyuan,Yan, Shijuan.

[7]Genetic diversity within Oryza rufipogon germplasms preserved in Chinese field gene banks of wild rice as revealed by microsatellite markers. Zhang, Chi-Hong,Li, Dao-Yuan,Pan, Da-Jian,Jia, Ji-Zeng,Dong, Yu-Shen.

[8]Development of a GFP-expressing Ustilaginoidea virens strain to study fungal invasion and colonization in rice spikelets. Andargie, Mebeaselassie,Li, Luoye,Li, Jianxiong,Feng, Aiqing,Zhu, Xiaoyuan.

[9]Genetic effects on grain characteristics of indica black rice and their uses on indirect selections for some mineral element contents in grains. Zhang, MW,Guo, BJ,Peng, ZM. 2005

[10]Application of ordered differential display to isolate rice cDNAs induced by Magnaporthe grisea. Luo, WY,Li, XF,Hu, J,Liu, WH,Xiao, X,Liu, LS. 2004

[11]Variation of the OsGI intron and its phenotypic associations in Oryza rufipogon Griff. and Oryza sativa L.. Chen, Z.,Pei, X.,Jia, S.,Wang, F.,Yuan, Q.,Wu, H.,Peng, Y.. 2013

[12]Genome-wide multilocus analysis of intraspecific differentiation in Oryza rufipogon Griff. from China and the influence of introgression from O. sativa L.. Li, F.,Pei, X. W.,Jia, S. R.,Wang, F.,Yuan, Q. H.,Wu, H. J.,Peng, Y. F.. 2013

[13]A large-scale field study of transgene flow from cultivated rice (Oryza sativa) to common wild rice (O-rufipogon) and barnyard grass (Echinochloa crusgalli). Yuan, Qian-Hua,Shi, Lei,Qian, Qian,Liu, Wu-Ge,Kuang, Ba-Geng,Zeng, Da-Li,Liao, Yi-Long,Cao, Bin,Jia, Shi-Rong. 2006

[14]Transgene flow to hybrid rice and its male-sterile lines. Jia, Shirong,Wang, Feng,Shi, Lei,Yuan, Qianhua,Liu, Wuge,Liao, Yilong,Li, Shuguang,Jin, Wujun,Peng, Huipu. 2007

[15]Biodiversity of Asian rice gall midge (Orseolia oryzae Wood Mason) from five countries examined by AFLP analysis. Katiyar, SK,Chandel, G,Tan, Y,Zhang, Y,Huang, B,Nugaliyadde, L,Fernando, K,Bentur, JS,Inthavong, S,Constantino, S,Bennett, J. 2000

[16]Expression of variant transcripts of the potassium channel tetramerization domain-containing 15 (KCTD15) gene and their association with fatness traits in chickens. Liang, S. S.,Ouyang, H. J.,Liu, J.,Chen, B.,Nie, Q. H.,Zhang, X. Q.,Liang, S. S.,Ouyang, H. J.,Liu, J.,Chen, B.,Nie, Q. H.,Zhang, X. Q.,Liang, S. S.,Ouyang, H. J.,Liu, J.,Chen, B.,Nie, Q. H.,Zhang, X. Q..

[17]Molecular Cloning, Structural Characterization, and Ripening-Related Expression of Lipoxygenase Genes from Three Persimmon Cultivars Differing in Postharvest Ripening Rate. Hou, Yali,Ban, Qiuyan,Zhang, Ting,Rao, Jingping,Huber, Donald J.,Dong, Xiaoqing,Chang, Xiaoxiao,Zhang, Ting.

[18]Sucrose-metabolizing enzymes and their genes in the arils of two Dimocarpus longan cultivars. Shuai, L.,Li, J.,Niu, J. J.,Qian, P. H.,Liu, W. H.,Xue, X. Q.,Wu, Z. X.,Shuai, L.,Han, D. M.,Shuai, L.,Li, J.,Niu, J. J.,Qian, P. H.,Liu, W. H.,Xue, X. Q.,Wu, Z. X..

[19]Differential gene expression in mouse spermatogonial stem cells and embryonic stem cells. Bai, Yinshan,Liu, Shanshan,Ma, Ningfang,Bai, Yinshan,Feng, Meiying,Wei, Hengxi,Li, Li,Zhang, Xianwei,Shen, Chao,Zhang, Shouquan.

[20]Dietary supplementation with carnosine improves antioxidant capacity and meat quality of finishing pigs. Ma, X. Y.,Jiang, Z. Y.,Lin, Y. C.,Zheng, C. T.,Zhou, G. L.,Ma, X. Y.,Jiang, Z. Y.,Lin, Y. C..

作者其他论文 更多>>