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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Characterization of SaMADS D from Sinapis alba suggests a dual function of the gene: in inflorescence development and floral organogenesis.

SaMADS D gene of Sinapis alba was isolated by screening a cDNA library from young inflorescences with a mixture of MADS-box genes of Antirrhinum majus ( DEF, GLO, SQUA) as probe. Amino acid sequence comparison showed a high degree of similarity between the SaMADS D and AGL9, DEFH200, TM5, FBP2 and DEFH 72 gene products. Analysis of the SaMADS D gene expression by in situ hybridization reveals a novel expression pattern for a MADS-box gene and suggests a dual function for this gene: first, as a determinant in inflorescence meristem identity since it starts to be expressed directly beneath the inflorescence meristem at the time of initiation of the first floral meristem, is no longer expressed in the inflorescence meristem forced to revert to production of leafy appendages, and is expressed again when the reverted meristem resumes floral meristem initiation, and, second, as an interactor with genes specifying floral organ identity since it is expressed in the floral meristem from the stage of sepal protrusion.[1]

References

  1. Characterization of SaMADS D from Sinapis alba suggests a dual function of the gene: in inflorescence development and floral organogenesis. Bonhomme, F., Sommer, H., Bernier, G., Jacqmard, A. Plant Mol. Biol. (1997) [Pubmed]
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