IbMADS4 regulates the vegetative shoot development in transgenic chrysanthemum (Dendrathema grandiflora (Ramat.) Kitamura)

Chenna Reddy Aswath; Sug Youn Mo; Sun Hyung Kim; Doo Hwan Kim

doi:10.1016/j.plantsci.2003.11.030

IbMADS4 regulates the vegetative shoot development in transgenic chrysanthemum (Dendrathema grandiflora (Ramat.) Kitamura)

Chenna Reddy Aswath, Sug Youn Mo, Sun Hyung Kim, Doo Hwan Kim

Department of Environmental Horticulture

Research output: Contribution to journal › Article › peer-review

24 Scopus citations

Abstract

A new MADS-box gene, IbMADS4, had been cloned in Ipomoea batatas (L.) Lam. that is expressed in all vegetative tissues of the plant, mainly in the root tissues, but not in flower organs. Sequence similarity besides the spatial and temporal expression patterns allows defining a novel MADS-box subfamily comprising STMADS16 and the other MADS-box genes expressed specifically in vegetative tissues. Expression of the IbMADS4 sense cDNA under the control of the 35S cauliflower mosaic virus promoter modifies dramatic changes in the phenotype, such as axillary shoot formation in chrysanthemum. Leaf and axillary shoot number of sense transgenic plants showed a three- and four-fold increase in shoot regeneration compared with the wild-type, respectively. The results presented here are aimed at understanding the molecular mechanisms involved in shoot morphogenesis.

Original language	English
Pages (from-to)	847-854
Number of pages	8
Journal	Plant Science
Volume	166
Issue number	4
DOIs	https://doi.org/10.1016/j.plantsci.2003.11.030
State	Published - Apr 2004

Keywords

Chrysanthemum
IbMADS4
Shoot development
Transformation

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10.1016/j.plantsci.2003.11.030

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title = "IbMADS4 regulates the vegetative shoot development in transgenic chrysanthemum (Dendrathema grandiflora (Ramat.) Kitamura)",

abstract = "A new MADS-box gene, IbMADS4, had been cloned in Ipomoea batatas (L.) Lam. that is expressed in all vegetative tissues of the plant, mainly in the root tissues, but not in flower organs. Sequence similarity besides the spatial and temporal expression patterns allows defining a novel MADS-box subfamily comprising STMADS16 and the other MADS-box genes expressed specifically in vegetative tissues. Expression of the IbMADS4 sense cDNA under the control of the 35S cauliflower mosaic virus promoter modifies dramatic changes in the phenotype, such as axillary shoot formation in chrysanthemum. Leaf and axillary shoot number of sense transgenic plants showed a three- and four-fold increase in shoot regeneration compared with the wild-type, respectively. The results presented here are aimed at understanding the molecular mechanisms involved in shoot morphogenesis.",

keywords = "Chrysanthemum, IbMADS4, Shoot development, Transformation",

author = "Aswath, {Chenna Reddy} and Mo, {Sug Youn} and Kim, {Sun Hyung} and Kim, {Doo Hwan}",

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T1 - IbMADS4 regulates the vegetative shoot development in transgenic chrysanthemum (Dendrathema grandiflora (Ramat.) Kitamura)

AU - Aswath, Chenna Reddy

AU - Mo, Sug Youn

AU - Kim, Sun Hyung

AU - Kim, Doo Hwan

PY - 2004/4

Y1 - 2004/4

N2 - A new MADS-box gene, IbMADS4, had been cloned in Ipomoea batatas (L.) Lam. that is expressed in all vegetative tissues of the plant, mainly in the root tissues, but not in flower organs. Sequence similarity besides the spatial and temporal expression patterns allows defining a novel MADS-box subfamily comprising STMADS16 and the other MADS-box genes expressed specifically in vegetative tissues. Expression of the IbMADS4 sense cDNA under the control of the 35S cauliflower mosaic virus promoter modifies dramatic changes in the phenotype, such as axillary shoot formation in chrysanthemum. Leaf and axillary shoot number of sense transgenic plants showed a three- and four-fold increase in shoot regeneration compared with the wild-type, respectively. The results presented here are aimed at understanding the molecular mechanisms involved in shoot morphogenesis.

AB - A new MADS-box gene, IbMADS4, had been cloned in Ipomoea batatas (L.) Lam. that is expressed in all vegetative tissues of the plant, mainly in the root tissues, but not in flower organs. Sequence similarity besides the spatial and temporal expression patterns allows defining a novel MADS-box subfamily comprising STMADS16 and the other MADS-box genes expressed specifically in vegetative tissues. Expression of the IbMADS4 sense cDNA under the control of the 35S cauliflower mosaic virus promoter modifies dramatic changes in the phenotype, such as axillary shoot formation in chrysanthemum. Leaf and axillary shoot number of sense transgenic plants showed a three- and four-fold increase in shoot regeneration compared with the wild-type, respectively. The results presented here are aimed at understanding the molecular mechanisms involved in shoot morphogenesis.

KW - Chrysanthemum

KW - IbMADS4

KW - Shoot development

KW - Transformation

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IbMADS4 regulates the vegetative shoot development in transgenic chrysanthemum (Dendrathema grandiflora (Ramat.) Kitamura)

Abstract

Keywords

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