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JXB Advance Access published online on June 18, 2004
Journal of Experimental Botany, doi:10.1093/jxb/erh166
© 2004 by Oxford University Press
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Received October 21, 2003; accepted March 29, 2004
© 2004 Society for Experimental Biology

GENE NOTE

Seed legumains are expressed in stamens and vegetative legumains in seeds of Nicotiana tabacum L

Alexander Zakharov 1 and Klaus Müntz 2*

1 Institut für Pflanzengenetik und Kulturpflanzenforschung (IPK), Corrensstr. 3, D-06466 Gatersleben, Germany; Laboratory of Protein Chemistry, Moldova State University, Mateevici str. 60, MD-2009 Chisinau (Republic of Moldova)
2 Institut für Pflanzengenetik und Kulturpflanzenforschung (IPK), Corrensstr. 3, D-06466 Gatersleben, Germany

* To whom correspondence should be addressed. E-mail: muentz{at}IPK-Gatersleben.de.


  Abstract

Detailed analysis of the expression pattern of seven legumain genes from Nicotiana tabacum L. cv. SNN revealed that it showed neither coincidences with the branches of the phylogenetic tree of legumains nor with their conventional assignment to organs. This agreed well with the fact that, so far, no functional differences could be assigned to the sequence differences reflected in the branches of the tree.

Keywords: Asn-specific cysteine endopeptidases, gene expression, legumains, seeds, tobacco, vacuolar processing enzyme, vegetative organs


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