Using the direct amplification of genomic DNA from two pea (Pisum sativum) cultivars, we obtained four new homologs of the Stamina pistilloida (Stp) gene, an ortholog of the UNUSUAL FLORAL ORGANS (UFO) and Fimbriata (Fim) of arabidopsis and snapdragon. The UFO/Fim gene is involved in cell determination in the shoot apical meristem and the floral meristem and controls the expression of B- and C-class genes of flower organ differentiation; in addition, in pea plants, the Stp gene controls leaf shape, plant height, and the number of internodes to the first inflorescence. The nucleotide and deduced amino acid sequences of the Stp homologs characterized in this study were very similar to the prototype gene from pea cv. Torsdag (98%) and significantly differed between cvs. Filby and Sebeco 59-61-65-6 contrasting in the compound-leaf architecture.
Russian Journal of Plant Physiology – Springer Journals
Published: Oct 18, 2004
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