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Plant Cell Rep (2005) 24:120126 DOI 10.1007/s00299-005-0921-4
 

Summary: Plant Cell Rep (2005) 24:120126
DOI 10.1007/s00299-005-0921-4
G E N E T I C S A N D G E N O M I C S
Hong-Gyu Kang Gynheung An
Morphological alterations by ectopic expression
of the rice OsMADS4 gene in tobacco plants
Received: 16 September 2004 / Revised: 19 December 2004 / Accepted: 23 December 2004 / Published online: 10 February 2005
Springer-Verlag 2005
Abstract OsMADS4, a rice MADS-box gene, is a
member of the GLO/PI family that specifies the identity
of petals and stamens in combination with other MADS-
box genes. We report here the ectopic expression of Os-
MADS4 fused to the CaMV 35S promoter in tobacco
plants. Transgenic plants carrying the CaMV 35S pro-
moter::OsMADS4 construct generated mutant flowers
with a mosaic carpel, in which the tissue around the
nectary was elongated and the styles reduced. The fruits
were distorted, but viable seeds did develop. These phe-
notypes mimicked those of transgenic tobacco plants that
ectopically express Antirrhinum GLO. However, unlike

  

Source: An, Gynheung - Department of Life Science, Pohang University of Science and Technology

 

Collections: Biotechnology; Biology and Medicine