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Plant Molecular Biology 53: 357369, 2003. 2003 Kluwer Academic Publishers. Printed in the Netherlands.
 

Summary: Plant Molecular Biology 53: 357369, 2003.
2003 Kluwer Academic Publishers. Printed in the Netherlands.
357
The OsFOR1 gene encodes a polygalacturonase-inhibiting protein (PGIP)
that regulates floral organ number in rice
Seonghoe Jang1,3, Byongho Lee1, Chanhong Kim1, Soo-Jin Kim2, Jieun Yim1, Jong-Jin Han1,
Shinyoung Lee1, Seong-Ryong Kim2 and Gynheung An1,
1National Laboratory of Plant Functional Genomics, Division of Molecular and Life Sciences, Pohang University
of Science and Technology, Pohang 790-784, Korea (author for correspondence; e-mail genean@postech.ac.kr);
2Department of Life Science, Sogang University, Seoul 121-742, Korea; 3Present address: Max-Planck-Institute
for Plant Breeding Research, Carl-von-Linne-Weg 10, 50829 Cologne, Germany
Received 26 June 2003; accepted in revised form 8 October 2003
Key words: antisense, flower development, leucine-rich repeats (LRR), polygalacturonase-inhibiting protein
(PGIP), rice (Oryza sativa)
Abstract
We have isolated a cDNA clone, OsFOR1, from the immature panicles of rice. The OsFOR1 (Oryza sativa floral
organ regulator 1) gene encodes a protein that contains a leucine-rich repeat (LRR) domain. This domain comprises
10 tandem repeats of a canonical 24-amino acid LRR sequence. The structure and the number of LRRs for OsFOR1
are similar to those of polygalacturonase-inhibiting proteins (PGIPs) from various other plant species. Moreover,
the OsFOR1 recombinant protein, when fused to maltose-binding protein (MBP), shows PGIP activity against the

  

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

 

Collections: Biotechnology; Biology and Medicine