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Hydrogen sulphide may be a novel downstream signal molecule in nitric oxide-induced heat tolerance of maize (Zea mays L.) seedlings ×÷Õß: Li, Zhong-Guang; Yang, Shi-Zhong; Long, Wei-Biao; µÈ. PLANT CELL AND ENVIRONMENT ¾í: 36 ÆÚ: 8 Ò³: 1564-1572 ³ö°æÄê: AUG 2013 |
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lzg020716: ½ð±Ò+20, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2017-12-30 10:34:50
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Hydrogen sulphide may be a novel downstream signal molecule in nitric oxide-induced heat tolerance of maize (Zea mays L.) seedlings ×÷Õß:Li, ZG (Li, Zhong-Guang)[ 1 ] ; Yang, SZ (Yang, Shi-Zhong)[ 1 ] ; Long, WB (Long, Wei-Biao)[ 1 ] ; Yang, GX (Yang, Guo-Xian)[ 1 ] ; Shen, ZZ (Shen, Zhen-Zhen)[ 1 ] PLANT CELL AND ENVIRONMENT ¾í: 36 ÆÚ: 8 Ò³: 1564-1572 DOI: 10.1111/pce.12092 ³ö°æÄê: AUG 2013 ²é¿´ÆÚ¿¯Ó°ÏìÁ¦ ÕªÒª Nitric oxide (NO) is a second messenger with multifunction that is involved in plant growth, development and the acquisition of stress tolerance. In recent years, hydrogen sulphide (H2S) has been found to have similar functions, but crosstalk between NO and H2S in the acquisition of heat tolerance is not clear. In this study, pretreatment with the NO donor sodium nitroprusside (SNP) improved the survival percentage of maize seedlings and alleviated an increase in electrolyte leakage and a decrease in tissue vitality as well as accumulation of malondialdehyde, indicating that pretreatment with SNP improved the heat tolerance of maize seedlings. In addition, pretreatment with SNP enhanced the activity of L-cystine desulfhydrase, which, in turn, induced accumulation of endogenous H2S, while application of H2S donors, NaHS and GYY4137, increased endogenous H2S content, followed by mitigating increase in electrolyte leakage and enhanced survival percentage of seedlings under heat stress. Interestingly, SNP-induced heat tolerance was enhanced by application of NaHS and GYY4137, but was eliminated by inhibitors of H2S synthesis DL-propargylglycine, aminooxyacetic acid, potassium pyruvate and hydroxylamine, and the H2S scavenger hypotaurine. All of the above-mentioned results suggest that SNP pretreatment could improve heat tolerance, and H2S may be a downstream signal molecule in NO-induced heat tolerance of maize seedlings. ¹Ø¼ü´Ê ×÷Õ߹ؼü´Ê:heat stress KeyWords Plus:WHEAT SEED-GERMINATION; PLANT-MITOCHONDRIA; ABSCISIC-ACID; STRESS; THERMOTOLERANCE; TOXICITY; ARABIDOPSIS; PEROXIDE; CELLS; RICE ×÷ÕßÐÅÏ¢ ͨѶ×÷ÕßµØÖ·: Li, ZG (ͨѶ×÷Õß) ÏÔʾ¸ü¶à Yunnan Normal Univ, Key Lab Biomass Energy & Environm Biotechnol, Engn Res Ctr Sustainable Dev & Utilizat Biomass E, Sch Life Sci,Minist Educ, Kunming 650092, Yunnan Province, Peoples R China. µØÖ·: ÏÔʾ¸ü¶à [ 1 ] Yunnan Normal Univ, Key Lab Biomass Energy & Environm Biotechnol, Engn Res Ctr Sustainable Dev & Utilizat Biomass E, Sch Life Sci,Minist Educ, Kunming 650092, Yunnan Province, Peoples R China µç×ÓÓʼþµØÖ·:zhongguang_li@163.com »ù½ð×ÊÖúÖÂл »ù½ð×ÊÖú»ú¹¹ ÊÚȨºÅ Natural Science Foundation of Yunnan Province of China 2010ZC066 Education Department Foundation of Yunnan Province of China 09Y0145 ²é¿´»ù½ð×ÊÖúÐÅÏ¢ ³ö°æÉÌ WILEY-BLACKWELL, 111 RIVER ST, HOBOKEN 07030-5774, NJ USA Àà±ð / ·ÖÀà Ñо¿·½Ïò lant SciencesWeb of Science Àà±ð lant SciencesÎÄÏ×ÐÅÏ¢ ÎÄÏ×ÀàÐÍ:Article ÓïÖÖ:English Èë²ØºÅ: WOS:000321308400013 PubMed ID: 23489239 ISSN: 0140-7791 ÆÚ¿¯ÐÅÏ¢ Ŀ¼£º Current Contents Connect Impact Factor (Ó°ÏìÒò×Ó): Journal Citation Reports ÆäËûÐÅÏ¢ IDS ºÅ: 176MI Web of Science ºËÐĺϼ¯ÖÐµÄ "ÒýÓõIJο¼ÎÄÏ×": 50 Web of Science ºËÐĺϼ¯ÖÐµÄ "±»ÒýƵ´Î": 58 |

2Â¥2017-12-29 15:27:29
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3Â¥2017-12-29 22:08:27
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4Â¥2017-12-29 22:10:45
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5Â¥2017-12-29 22:14:40
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6Â¥2017-12-29 22:16:08
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7Â¥2017-12-29 22:17:48
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8Â¥2017-12-31 22:48:10













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