打碗花根状茎介导的自我/非我识别研究

doi:10.14088/j.cnki.issn0439-8114.2018.05.019

湖北农业科学 ›› 2018, Vol. 57 ›› Issue (5): 77-80.doi: 10.14088/j.cnki.issn0439-8114.2018.05.019

打碗花根状茎介导的自我/非我识别研究

朱莉, 苗文秀, 李竟才, 干建平, 郑永良, 项俊

经济林木种质改良与资源综合利用湖北省重点实验室/大别山特色资源开发湖北省协同创新中心/黄冈师范学院生命科学学院,湖北黄冈 438000

收稿日期:2017-12-15 出版日期:2018-03-10 发布日期:2020-04-01
通讯作者: 项俊（1963-）,男,教授,硕士,主要从事植物形态解剖与生理学研究,（电子信箱）breezy02008@163.com。
作者简介:朱莉（1985-）,女,河南平舆人,讲师,博士,主要从事植物生态及进化农业生态学研究,（电话）13476670671（电子信箱）zhuli_225@126.com。
基金资助:
湖北省教育厅青年人才项目（201601502）

Rearch on Self/Non-self Discrimination via Rhizome of Ivy Glorybind

ZHU Li, MIAO Wen-xiu, LI Jing-cai, GAN Jian-ping, ZHENG Yong-liang, XIANG Jun

Hubei Key Laboratory of Economic Forest Germplasm Improvement and Resource Comprehensive Utilization/Hubei Collaborative Innovation Center for the Characteristic Resources Exploitation of Dabie Mountains/College of Life Science,Huanggang Normal University,Huanggang 438000,Hubei,China

Received:2017-12-15 Online:2018-03-10 Published:2020-04-01

摘要/Abstract

摘要： 打碗花（Calystegia hederacea）主要以根状茎繁殖,可作为植物自我/非我识别研究的理想材料。试验设置了3种邻株关系进行盆栽,分别是根状茎相连的两株打碗花、根状茎相连但从中断开的两株打碗花,以及来自不同克隆的两株打碗花。结果发现,根状茎断开的同一克隆分株相比根状茎相连分株,茎的生长速度下降,茎基部的分枝显著减少,地上部分茎的分配和叶分配都下降,说明根状茎连接的断开抑制了地上部分生长。表明打碗花很可能是通过根状茎连接介导自我身份认同,并进行生理整合从而最大化克隆植株的适合度。

关键词: 打碗花（Calystegia hederacea）, 根状茎, 自我/非我识别, 生理整合

Abstract: Ivy glorybind（Calystegia hederacea） which reproduces mainly by rhizome can be used as an ideal model to study self/non-self discrimination. A greenhouse experiment including three treatments was set up：two connected ramets from the same genet,two dis-connected ramets from the same genet,and two ramets from different genets. The results showed that,compared with connected ramets,the above growth of the dis-connected ramets from the same genet had been inhibited. The rate of stem growth slowed down,branches from the stem base decreased,and biomass allocation to above stem and leaves reduced significantly,too. These results demonstrated that for ivy glorybind,neighboring ramets differentiated self from non-self through the connection of rhizome,which might enabled physiological integration and achieved a better fitness.

Key words: ivy glorybind（Calystegia hederacea）, rhizome, self/non-self discrimination, physiological integration

中图分类号:

朱莉, 苗文秀, 李竟才, 干建平, 郑永良, 项俊. 打碗花根状茎介导的自我/非我识别研究[J]. 湖北农业科学, 2018, 57(5): 77-80.

ZHU Li, MIAO Wen-xiu, LI Jing-cai, GAN Jian-ping, ZHENG Yong-liang, XIANG Jun. Rearch on Self/Non-self Discrimination via Rhizome of Ivy Glorybind[J]. HUBEI AGRICULTURAL SCIENCES, 2018, 57(5): 77-80.

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打碗花根状茎介导的自我/非我识别研究

Rearch on Self/Non-self Discrimination via Rhizome of Ivy Glorybind

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