Abstract.
A cDNA clone, STMADS11, encoding a new MADS-box protein was isolated from Solanum tuberosum L. (potato). Expression of STMADS11 was found in all vegetative organs of the plant, but not in floral tissues. The expression was also detected in all developmental stages, from tuber sprouts to mature plants, reaching a maximum in well-developed organs. However, the level of STMADS11 mRNA was low in tissues such as resting tuber or sprouts developed in the cold, where the metabolic activity is reduced. “In situ” hybridizations performed on leaf and stem sections showed that the STMADS11 transcript is mainly associated with vascular bundles. Cladistic analysis arising from amino acid sequence comparison revealed that STMADS11 shows the highest similarity to STMADS16, another vegetative MADS-box gene from potato, and to the previously reported “orphan” genes AGL15 and AGL17 from Arabidopsis thaliana. Possible implications of these data in relation to STMADS11 function are discussed.
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Received: 13 February 1998 / Accepted: 30 June 1998
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Carmona, M., Ortega, N. & Garcia-Maroto, F. Isolation and molecular characterization of a new vegetative MADS-box gene from Solanum tuberosum L.. Planta 207, 181–188 (1998). https://doi.org/10.1007/s004250050471
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DOI: https://doi.org/10.1007/s004250050471