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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2004, Vol. 5 Issue (2): 144-148    DOI: 10.1631/jzus.2004.0144
Bioscience & Biotechnology     
Preliminary study on a gravity-insensitive rice mutant
JIN Jing, ZHU Cheng, ZHANG Hong-xin, SUN Zong-xiu
State Key Laboratory of Plant Physiology & Biochemistry, Zhejiang University, Hangzhou 310029, China; State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou 310006, China
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Abstract  A gravity-insensitive mutant was isolated from rice (Oryza sativa L. cv. Zhonghua 11) transformed by Agrobacterium tumefaciens. The mutant\'s shoot growth (prostrate growth) was insensitive to gravity; whereas root growth displayed a normal positive gravitropism. Histological observation of root caps and leaf sheaths indicated that there was no significant difference in the number and size of amyloplasts in cells of the mutant and cells of the wild type.

Key words： Oryza sativa L.      Gravity-insensitive mutant      Gravitropism      Amyloplast     
Received: 03 December 2002     
CLC:  Q945.3  
  Q945.4  
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ZHANG Hong-xin
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Cite this article:

JIN Jing, ZHU Cheng, ZHANG Hong-xin, SUN Zong-xiu. Preliminary study on a gravity-insensitive rice mutant. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2004, 5(2): 144-148.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.2004.0144     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2004/V5/I2/144

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