Overexpression of xyloglucanase (AaXEG2) accelerates heteroblastic development in mangium leaves |
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| Authors: | Sri Hartati Enny Sudarmonowati Tomomi Kaku Hisato Ikegaya Rumi Kaida Kei’ichi Baba Takahisa Hayashi |
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| Institution: | (1) Programme Arbres et Plantations, TA 10/C, CIRAD-Forêt, Baillarguet, 34398 Montpellier, Cedex 5, France |
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| Abstract: | Transgenic mangium trees (Acacia mangium) overexpressing xyloglucanase (AaXEG2) were generated by spraying flower buds with Agrobacterium solution and allowing seeds to develop. The overexpression of xyloglucanase decreased xyloglucan content in the cell walls
and increased stem length and diameter. The leaves of the transgenic seedlings exhibited accelerated heteroblastic development,
proceeding from the stage of three bipinnate leaves to that of enlarging petiole 2 weeks earlier than wild type seedlings
did. |
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