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Author Sentoku,N., Sato,Y., Kurata,N., Ito,Y., Kitano,H. and Matsuoka,M.
Title Regional expression of the rice KN1-type homeobox gene family during embryo, shoot, and flower development.
We report the isolation, sequence, and pattern of gene expression of members of the KNOTTED1 (KN1)-type class 1 homeobox gene family from rice. Phylogenetic analysis and mapping of the rice genome revealed that all of the rice homeobox genes that we have isolated have one or two direct homologs in maize. Of the homeobox genes that we tested, all exhibited expression in a restricted region of the embryo that defines the position at which the shoot apical meristem (SAM) would eventually develop, prior to visible organ formation. Several distinct spatial and temporal expression patterns were observed for the different genes in this region. After shoot formation, the expression patterns of these homeobox genes were variable in the region of the SAM. These results suggest that the rice KN1-type class 1 homeobox genes function cooperatively to establish the SAM before shoot formation and that after shoot formation, their functions differ.
Journal Plant Cell
Country Japan
Volume 11(9)
Pages 1651-1663
Year 1999
PubMed ID 10488233
PubMed Central ID -
DOI 10.1105/tpc.11.9.1651
INSD AB028883 AB028884 AB028885 AB028886 AB028882
Strain Wild Core Collection -
Induced Mutation Lines(NIG Collection) -
Sterile Seed Strain -
Lethal Embryo
Mutantion Strain
Stages in Each Organ
- Muant Lines (Gene)
Cultivated Varieties(NIG Collection) -
Stages in Each Organ -