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A Pisum sativum Glyoxysomal Malate Dehydrogenase Induced by Cadmium Exposure

Tipo de material: TextoTextoSeries ; DNA Sequence, 15(3), p.206-208, 2004Trabajos contenidos:
  • Savenstrand, H
  • Strid, A
Tema(s): Recursos en línea: Resumen: The glyoxysomal malate dehydrogenase (gMDH)catalyses the formation of oxaloacetate from malate during P-oxidation of fatty acids in the glyoxysome. A partial Pisum sativum L. (cv. Greenfeast)cDNA was first isolated from a suppression subtractive hybridisation cDNA library obtained from heavy metal stressed plants. The full length cDNA was then isolated by rapid amplification of cDNA ends. The translated sequence showed strong similarity to Cucumis sativus and Citrutttis tanatus gMDH including a typical glyoxysome-targeling presequence comprising the PTS2 motif and a cleavage site for a ystein-directed protease. Exposure of pea plants to Cd "'' induced expression of the gMDH gene in mature pea leaves indicating that the enzyme is under environmental control in addition to the normal developmental regulation pattern.
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Documentos solicitados Documentos solicitados CICY Documento préstamo interbibliotecario Ref1 B-8480 (Browse shelf(Opens below)) Available

The glyoxysomal malate dehydrogenase (gMDH)catalyses the formation of oxaloacetate from malate during P-oxidation of fatty acids in the glyoxysome. A partial Pisum sativum L. (cv. Greenfeast)cDNA was first isolated from a suppression subtractive hybridisation cDNA library obtained from heavy metal stressed plants. The full length cDNA was then isolated by rapid amplification of cDNA ends. The translated sequence showed strong similarity to Cucumis sativus and Citrutttis tanatus gMDH including a typical glyoxysome-targeling presequence comprising the PTS2 motif and a cleavage site for a ystein-directed protease. Exposure of pea plants to Cd "'' induced expression of the gMDH gene in mature pea leaves indicating that the enzyme is under environmental control in addition to the normal developmental regulation pattern.

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