[1]王云霞,王苗苗,夏洞明,等.华北半叶紫菜繁殖组织形成期间的光合特性研究[J].南京师大学报(自然科学版),2011,34(03):95-102.
Wang Yunxia,Wang Miaomiao,Xia Dongming,et al.Photosynthetic Characteristics During the Formation of Reproductive Tissues of Porphyra Katadai var.Hemiphylla[J].Journal of Nanjing Normal University(Natural Science Edition),2011,34(03):95-102.
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华北半叶紫菜繁殖组织形成期间的光合特性研究(
)
《南京师大学报(自然科学版)》[ISSN:1001-4616/CN:32-1239/N]
- 卷:
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第34卷
- 期数:
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2011年03期
- 页码:
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95-102
- 栏目:
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生命科学
- 出版日期:
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2011-09-20
文章信息/Info
- Title:
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Photosynthetic Characteristics During the Formation of Reproductive Tissues of Porphyra Katadai var.Hemiphylla
- 作者:
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王云霞1; 王苗苗1; 夏洞明2; 张涛2; 许璞2; 姜红霞2
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( 1. 南京师范大学生命科学学院,江苏南京210046) ( 2. 常熟理工学院生物与食品工程学院,江苏常熟215500)
- Author(s):
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Wang Yunxia1; Wang Miaomiao1; Xia Dongming2; Zhang Tao2; Xu Pu2; Jiang Hongxia2
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1.School of Life Sciences,Nanjing Normal University,Nanjing 210046,China
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- 关键词:
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半叶紫菜华北变种; 繁殖组织; 叶绿素荧光; 光合放氧速率
- Keywords:
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Porphyra katadai var. hemiphylla; reproductive tissue; chlorophyll fluorescence; oxygen evolution
- 分类号:
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S917.3
- 摘要:
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本实验将半叶紫菜华北变种(Porphyra katadai var.hemiphylla)叶状体的雌性营养组织(FV)和雄性营养组织(MV)在室内(5~20℃,10、80μmol/(m2.s))进行长期培养20 d,跟踪测定繁殖组织形成期间的叶绿素荧光参数(Yield、Fv/Fm)和光合放氧速率,同时对组织块的发育情况进行显微镜观察.结果表明:(1)培养过程中繁殖组织的形成与各光合参数的降低是紧密相关的;(2)培养温度相同时,FV、MV在80μmol/(m2.s)下的成熟度较10μmol/(m2.s)的高
- Abstract:
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In this study,chlorophyll fluorescence parameters ( Yield,Fv /Fm ) and oxygen evolution were followed during the formation of reproductive tissues when female vegetative tissues ( FV) and male vegetative tissues ( MV) of Porphyra katadai var. hemiphylla were cultured indoor ( 5 ~ 20℃,10 and 80 μmol /( m2·s) ) for 20 days. At the same time, development of these tissues in culture was observed by microscope. The formation of reproductive tissues was closely correlated with the decreasing of photosynthetic activities. At the same temperature the tissues cultured under 80 μmol / ( m2·s) showed a greater extent of maturation than those under 10 μmol /( m2·s) did,whereas their decreasing degree of photosynthesis was also larger. Under the same light intensity the extent of maturation ascended with our increasing temperature. At the same time photosynthetic activity of MV culture was the highest at 10℃ and the lowest at 20℃,but the decreasing degree of photosynthesis of FV culture was smaller at higer temperature.
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备注/Memo
- 备注/Memo:
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基金项目:国家自然科学基金( 40906085) 、江苏省2010 年度高校青蓝工程.通讯联系人:姜红霞,博士,副教授,研究方向: 藻类光合生理. E-mail: hxjiang10@163. Com
更新日期/Last Update:
2011-09-15