Ectopic expression of a hyacinth AGL6 homolog caused earlier flowering and homeotic conversion in Arabidopsis.

Ectopic expression of a hyacinth AGL6 homolog caused earlier flowering and homeotic conversion in Arabidopsis. Research Abstract Details 

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Ectopic expression of a hyacinth AGL6 homolog caused earlier flowering and homeotic conversion in Arabidopsis. Abstract Text:

Jinhui Fan,Wenqing Li,Xiuchun Dong,Wei Guo,Huairui Shu,JinHui Fan,WenQing Li,XiuChun Dong,Wei Guo,HuaiRui Shu,JinHui Fan,WenQing Li,XiuChun Dong,Wei Guo,HuaiRui Shu,

MADS-box genes are involved in floral organ development. Here we report that an AGL6(Agamous-like 6)-like MADS-box gene, HoAGL6, was isolated from Hyacinthus orientalis L. Expression pattern analysis demonstrated that HoAGL6 transcript was detected in inflorescence buds, tepals, carpels and ovules, but not in stamina, leaves or scales. Transgenic Arabidopsis plants ectopically expressing HoAGL6 exhibited novel phenotypes of significantly reduced plant size, extremely early flowering, and losing inflorescence indeterminacy. In addition, wide homeotic conversion of sepals, petals, and leaves into carpel-like or ovary structures, and disappearance or number reduction of stamens in 35S::HoAGL6 Arabidopsis plants were also observed. RT-PCR analysis indicated that the expressions of flowering time gene SOC1 and flower meristem identity gene LFY were significantly up-regulated in 35S::HoAGL6 transgenic Arabidopsis plants, and the expression levels of floral organ identity genes AG and SEP1 in leaves were also elevated. These results indicated that HoAGL6 was involved in the regulation of flower transition and flower organ formation.

Ectopic expression of a hyacinth AGL6 homolog caused earlier flowering and homeotic conversion in Arabidopsis. Publishing Authors By Initials

J Fan,W Li,X Dong,W Guo,H Shu,J Fan,W Li,X Dong,W Guo,H Shu,J Fan,W Li,X Dong,W Guo,H Shu,

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Ectopic expression of a hyacinth AGL6 homolog caused earlier flowering and homeotic conversion in Arabidopsis. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Science in China. Series C, Life sciences / Chines

VOLUME: 50

Page Numbers: 676-89

Journal Abbreviation: Sci. China, C, Life Sci.

ISSN: 1006-9305

DAY: 19

MONTH: Oct

YEAR: 2007

Ectopic expression of a hyacinth AGL6 homolog caused earlier flowering and homeotic conversion in Arabidopsis. Information

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LANGUAGE: eng

NlmUniqueID: 9611809

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Grant and Affiliation Information for Ectopic expression of a hyacinth AGL6 homolog caused earlier flowering and homeotic conversion in Arabidopsis.

AFFILIATION: College of Forestry, Shandong Agricultural University, Taian, 271018, China, hjf2003@sdau.edu.cn.

Country: China

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MEDLINETA: Sci China C Life Sci

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