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Geheimnis um die Langlebigkeit von Bäumen enthüllt

Wissenschaftler sequenzieren das Genom der Stieleiche

(PresseBox) (Leipzig, )
Ein internationales Konsortium unter der Leitung des französischen Agrarforschungsinstituts INRA und des französischen Kommissariats für Atomenergie und Alternative Energien CEA hat das Genom der Stieleiche sequenziert. Die kürzlich in Nature Plants veröffentlichte Arbeit, an der auch drei Forschende aus Mitteldeutschland beteiligt waren, identifiziert zwei wichtige genomische Eigenschaften, die für die Langlebigkeit dieser Baumart sorgen. Zum einen ist das die Existenz besonders zahlreicher und vielfältiger Resistenzgene, die den Bäumen die Möglichkeit gibt, sich gegen zahlreiche Feinde zu wehren - etwa Pilze, Insekten, Bakterien oder Viren. Zum anderen treten somatische Mutationen auf, die in die nächste Generation vererbt werden.

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