Regulation of sweetpotato tuberous root forming gene with environment control.
环境控制对甘薯块根形成基因的调控。
基本信息
- 批准号:15580224
- 负责人:
- 金额:$ 2.3万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (C)
- 财政年份:2003
- 资助国家:日本
- 起止时间:2003 至 2004
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
In sweetpotato study, researchers have not obtained cultural technique to regulate the process of tuberous root formation. Then we aimed to develop the experimental procedure for elucidation of a mechanism of tuberous root formation in sweetpotato, and to enable the artificial control of the morphogenesis by applying environment control techniques.At first, we developed the cultivation system that ensures the tuberous root formation. In the system, the root environment was divided into two layers comprised of the aerial space for the root swelling and the nutrient solution layer for uptake of water and nutrients. Single-root plants were certainly able to form the tuberous root in the aerial space. Environments of the shoot, tuberous root and fibrous root can be controlled independently in the cultivation system. Under the identical environmental condition, the formation of the tuberous root occurred earlier in initially thicker roots. After the tuberous root formation, number of leaves in the plant affected the thickening growth of the tuberous root. Secondary, we examined the effects of sugars, plant hormones and inhibition of gas exchange through root surface on the tuberous root formation. Results of this experiments suggested that elevation of the cytokinin level should be necessary for induction of tuberous root formation, and hypoxia depressed the tuberous root thickening through acceleration of lignification in the stele of the root. Furthermore, we made expression analyses of cellwall-bound invertase gene and cycline D3 gene possible in sweetpotato plants, those genes which are supposed to be related to regulation of the morphogenesis.
在甘薯的研究中,研究人员还没有获得调节块根形成过程的培养技术。在此基础上,建立了甘薯块根形成机制的实验程序,并利用环境调控技术对其形态发生进行人工调控。首先,我们开发了保证块根形成的栽培系统。在该系统中,根环境分为两层:用于根系膨胀的空中空间和用于吸收水分和养分的营养液层。单根植物当然能够在空中空间形成块根。在栽培系统中,茎、块根和须根的环境可以独立控制。在相同的环境条件下,块根越粗,块根形成越早。块根形成后,植株叶片数量对块根增粗生长有影响。其次,我们研究了糖、植物激素和抑制根表面气体交换对块根形成的影响。本实验结果表明,细胞分裂素水平的升高可能是诱导块根形成的必要条件,缺氧通过加速块根柱的木质化来抑制块根的增粗。此外,我们还对甘薯植物细胞壁结合转化酶基因和细胞周期素D3基因进行了表达分析,这些基因可能与形态发生的调控有关。
项目成果
期刊论文数量(32)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Tuberous root formation of sweetpotato in the air.
甘薯在空气中形成块根。
- DOI:
- 发表时间:2003
- 期刊:
- 影响因子:0
- 作者:Eguchi;T.;Yoshida;S.;斎藤和幸ら;江口壽彦;K.Saitou et al.;T.Eguchi
- 通讯作者:T.Eguchi
Roles of pyrophosphate-dependent phosphofructokinase in sweet potato (Ipomoea batatas Lam.).
焦磷酸依赖性磷酸果糖激酶在甘薯(Ipomoea batatas Lam.)中的作用。
- DOI:
- 发表时间:2005
- 期刊:
- 影响因子:0
- 作者:齋藤和幸ら;K.Saitou et al.
- 通讯作者:K.Saitou et al.
A cultivation method to ensure tuberous root formation in sweetpotatoes(Ipomoea batatas(1.)Lam.)
一种确保甘薯(Ipomoea batatas(1.)Lam.)块根形成的栽培方法
- DOI:
- 发表时间:2004
- 期刊:
- 影响因子:0
- 作者:Eguchi;T.;Yoshida;S.
- 通讯作者:S.
Expression of two genes for cell wall-bound invertase of Sweet potato (Ipomoea batatas Lam.).
甘薯(Ipomoea batatas Lam.)细胞壁结合转化酶的两个基因的表达。
- DOI:
- 发表时间:2003
- 期刊:
- 影响因子:0
- 作者:Eguchi;T.;Yoshida;S.;斎藤和幸ら;江口壽彦;K.Saitou et al.
- 通讯作者:K.Saitou et al.
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EGUCHI Toshihiko其他文献
EGUCHI Toshihiko的其他文献
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{{ truncateString('EGUCHI Toshihiko', 18)}}的其他基金
Studies on an elucidation of an optimal condition for the medicinal plant Pinellia ternata and a development of a sure method for seed setting of the plant aimed for domestication
药用植物半夏最佳条件的阐明及驯化植物可靠结种方法的开发研究
- 批准号:
17K08021 - 财政年份:2017
- 资助金额:
$ 2.3万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Study on new techniques of environmental control for production of high functional root crops applying oxygen stresses
氧胁迫下高功能块根作物生产环境调控新技术研究
- 批准号:
24580371 - 财政年份:2012
- 资助金额:
$ 2.3万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
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Regulation of starch synthesis and tuberous root formation by a transcription factor WRKY in sweet potato
转录因子WRKY对甘薯淀粉合成和块根形成的调控
- 批准号:
21580015 - 财政年份:2009
- 资助金额:
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REGULATION OF TUBEROUS ROOT FORMATION BY CDK-ACTIVATING KINASE IN SWEET POTATO
CDK激活激酶对甘薯块根形成的调控
- 批准号:
18580016 - 财政年份:2006
- 资助金额:
$ 2.3万 - 项目类别:
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REGULATION OF TUBEROUS ROOT FORMATION BY D-TYPE CYCLIN IN SWEET POTATO
D型细胞周期素对甘薯块根形成的调控
- 批准号:
16580012 - 财政年份:2004
- 资助金额:
$ 2.3万 - 项目类别:
Grant-in-Aid for Scientific Research (C)














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