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The GAOLAOZHUANGREN2 gene is required for normal glucose response and development of Arabidopsis.(Author abstract)

Mingjie Chen ; Xiaoxiang Xia ; Huiqiong Zheng ; Zheng Yuan ; Hai Huang

Journal of Plant Research, Dec, 2004, Vol.117(6), p.473(4) [Tạp chí có phản biện]

ISSN: 0918-9440

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  • Nhan đề:
    The GAOLAOZHUANGREN2 gene is required for normal glucose response and development of Arabidopsis.(Author abstract)
  • Tác giả: Mingjie Chen ; Xiaoxiang Xia ; Huiqiong Zheng ; Zheng Yuan ; Hai Huang
  • Chủ đề: Arabidopsis -- Genetic Aspects ; Arabidopsis -- Research ; Glucose Synthesis -- Research ; Plant Genetics -- Identification And Classification
  • Là 1 phần của: Journal of Plant Research, Dec, 2004, Vol.117(6), p.473(4)
  • Mô tả: Byline: Mingjie Chen (1), Xiaoxiang Xia (1), Huiqiong Zheng (1), Zheng Yuan (1), Hai Huang (1) Keywords: Arabidopsis; GAOLAOZHUANGREN2; Glucose; GLUCOSE INSENSITIVE1 Abstract: Recent studies of glucose (Glc) sensing and signaling have revealed that Glc acts as a critical signaling molecule in higher plants. Several Glc sensing-defective Arabidopsis mutants have been characterized in detail, and the corresponding genes encoding Glc-signaling proteins have been isolated. However, the full complexity of Glc signaling in higher plants is not yet fully understood. Here, we report the identification and characterization of a new Glc-insensitive mutant, gaolaozhuangren2 (glz2), which was isolated from transposon mutagenesis experiments in Arabidopsis. In addition to its insensitivity to Glc, the glz2 plant exhibits several developmental defects such as short stature with reduced apical dominance, short roots, small and dark-green leaves, late flowering and female sterility. Treatment with 4% Glc blocked expression of the OE33 gene in wild-type plants, whereas expression of this gene was unchanged in the glz2 mutant plants. Taken together, our results suggest that the GLZ2 gene is required for normal glucose response and development of Arabidopsis. Author Affiliation: (1) National Laboratory of Molecular Genetics, Shanghai Institute of Plant Physiology and Ecology, Graduate School of Chinese Academy of Sciences, 300 Fenglin Road, 200032, Shanghai, People's Republic of China Article History: Registration Date: 30/09/2004 Received Date: 21/07/2004 Accepted Date: 13/09/2004 Online Date: 05/11/2004 Article note: Mingjie Chen and Xiaoxiang Xia contributed equally to this work.
  • Ngôn ngữ: English
  • Số nhận dạng: ISSN: 0918-9440

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