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Journal of Zhejiang University SCIENCE A 2004 Vol.5 No.2 P.144-148


Preliminary study on a gravity-insensitive rice mutant

Author(s):  JIN Jing, ZHU Cheng, ZHANG Hong-xin, SUN Zong-xiu

Affiliation(s):  State Key Laboratory of Plant Physiology & Biochemistry, Zhejiang University, Hangzhou 310029, China; more

Corresponding email(s):   zhu308@sina.com

Key Words:  Oryza sativa L., Gravity-insensitive mutant, Gravitropism, Amyloplast

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JIN Jing, ZHU Cheng, ZHANG Hong-xin, SUN Zong-xiu. Preliminary study on a gravity-insensitive rice mutant[J]. Journal of Zhejiang University Science A, 2004, 5(2): 144-148.

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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.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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