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Transformation and Functional Expression of the rFCA‐RRM2 Gene in Rice
Author(s) -
ATTIA Kotb,
LI KeGui,
WEI Chun,
HE GuangMing,
SU Wei,
YANG JinShui
Publication year - 2005
Publication title -
journal of integrative plant biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.734
H-Index - 83
eISSN - 1744-7909
pISSN - 1672-9072
DOI - 10.1111/j.1744-7909.2005.00115.x
Subject(s) - oryza sativa , japonica rice , genetically modified rice , biology , gene , japonica , oryza , phenotype , transformation (genetics) , grain yield , transgene , botany , genetically modified crops , agronomy , genetics
The primary aim of the present study was to investigate the overexpression of the rice ( Oryza sativa L. subsp. japonica var. Zhonghua 11) flowering control gene ( rFCA‐RRM2 ) in monocotyledonous model rice. Constitutive expression of rFCA‐RRM2 from the Act 1–5 rice promoter caused late flowering in transgenic rice and increased grain weight that was more than 50% higher than that of control plants, which is the first demonstration of rFCA‐RRM2 being able to increase rice production. Late flowering was accompanied by strong phenotype and some morphological modifications. These observations suggest that rFCA‐RRM2 is a useful tool for phenotype improvement and yield enhancement in cereal crops. (Managing editor: Ping HE)