[1]刘毓璟,张雁南,曹兵*. 增施CO2对宁夏枸杞夏果秋果蔗糖代谢酶活性的影响[J].西北林学院学报,2016,31(4):44-47.[doi:doi:10.3969/j.issn.1001-7461.2016.04.08]
　LIU Yu-jing,ZHANG Yan-nan,CAO Bing*. Effects of Hight Atmospheric CO2 Concentrations on Activities of Sucrose Metabolism-related Enzymes in Lycium barbarum Fruit[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2016,31(4):44-47.[doi:doi:10.3969/j.issn.1001-7461.2016.04.08]
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 增施CO2对宁夏枸杞夏果秋果蔗糖代谢酶活性的影响()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第31卷
期数:
2016年第4期
页码:
44-47
栏目:
出版日期:
2016-07-31

文章信息/Info

Title:
 Effects of Hight Atmospheric CO2 Concentrations on Activities of Sucrose Metabolism-related Enzymes in Lycium barbarum Fruit
文章编号:
1001-7461(2016)04-0044-04
作者:
 刘毓璟; 张雁南; 曹兵*
 （宁夏大学 农学院，宁夏 银川 752100）
Author(s):
 LIU Yu-jing; ZHANG Yan-nan; CAO Bing*
 (School of Agriculture,Ningxia University,Yinchuan,Ningxia 752100,China)
关键词:
宁夏枸杞; 果实; CO2浓度倍增处理; 蔗糖代谢相关酶
Keywords:
Lycium barbarum;  fruit;  doubled atmospheric CO2 concentrations;  sucrose metabolism-related enzymes
分类号:
S567.19
DOI:
doi:10.3969/j.issn.1001-7461.2016.04.08
文献标志码:
A
摘要:
 以宁杞1号苗木为材料，采用OTC气室控制CO2浓度，设置自然环境CO2浓度（350±20 μmol·mol-1，CK）和倍增CO2浓度（700±20 μmol·mol-1，TR）2个处理，测定宁夏枸杞果实中蔗糖代谢相关酶活性的变化，研究大气CO2浓度倍增对宁夏枸杞果实糖代谢的影响。结果表明：在高浓度CO2下，夏果中（CO2处理90 d），合成酶类和分解酶类酶活性均为处理组>对照组，其中转化酶（AI、NI）活性差异极显著；秋果中（CO2处理120 d）合成酶类与分解酶类较夏果活性均有降低，分解酶类活性为处理组>对照组，合成酶类活性为处理组<对照组，且其中SS合成方向差异极显著。据此，AI、NI及SS（合成方向）可能是高浓度CO2下蔗糖代谢响应的关键酶，且长期高浓度CO2处理会降低宁夏枸杞果实中蔗糖代谢相关酶的活性。
Abstract:
 Taking Lycium barbarum seedlings of cultivar “Ningqi No.1” as research materials,effects of high atmospheric CO2 concentration on the activities of the enzymes related to sucrose metabolism were investigated by measuring the activities of sucrose metabolism-related enzymes in L.barbarum fruit.Two CO2 concentrations were set up:natural environment with a CO2 concentration of (350±20)μmol·mol-1 (control) and doubled CO2 concentration (700±20)μmol·mol-1 generated by open top chamber.The results showed that under high CO2 concentration,the activities of the enzymes on sucrose synthesis and decomposition in summer fruit 90 d after treatment were higher than those in the control,in which differences in invertase (AI,NI) activity was significant.While in autumn fruit 120 d after treatment,the activities of the enzymes on sucrose synthesis and decomposition were lower than those in summer fruit,the activities of the enzymes on sucrose decomposition were higher than those in the control,the activities of the enzymes on sucrose synthesis were lower than those in the control,and the differences in SS (synthetic direction) were significant.It was concluded that the acid invertase (AI),the neutral invertase (NI) and sucrose synthase (SS synthetic direction) activities might be the key factors of sucrose metabolism-related under doubled atmospheric CO2 concentrations.Moreover,the activities of sucrose metabolism-related enzymes would decrease under long-term doubled atmospheric CO2 concentration.

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备注/Memo

备注/Memo:
 收稿日期：2015-09-07修回日期：2015-12-02
基金项目：宁夏大学研究生科技创新项目（GIP2015023）；国家自然科学基金项目（30860227,31160172）。
作者简介：刘毓璟，女，硕士研究生，研究方向：果树生理生态与高效栽培。E-mail:lyjheihei@sina.com
*通信作者：曹兵，男，教授，博士，研究方向：旱区造林与经济林栽培方面。E-mail:bincao2006@126.com
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