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Auxin & Fruit Set Leiden 2007 The functional analysis of AUXIN RESPONSE FACTORS involved in fruit set of Tomato INSTITUTE OF WATER AND WETLAND RESEARCH.

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Presentation on theme: "Auxin & Fruit Set Leiden 2007 The functional analysis of AUXIN RESPONSE FACTORS involved in fruit set of Tomato INSTITUTE OF WATER AND WETLAND RESEARCH."— Presentation transcript:

1 Auxin & Fruit Set Leiden 2007 The functional analysis of AUXIN RESPONSE FACTORS involved in fruit set of Tomato INSTITUTE OF WATER AND WETLAND RESEARCH

2 The functional analysis of AUXIN RESPONSE FACTORS involved in fruit set of Tomato Auxin & Fruit Set

3 Auxin Response Factor (ARF) are modulated after pollination, but not after GA 3 -treatment. Auxin and fruit set (Maaike de Jong) RNAi mediated gene silencing, interacting IAA/AUX factors Hormone Signaling in Fruit Development

4 Model Auxin Response Factors (Woodward; plant cell 2005, 17)

5 Silencing ARF genes clone 69

6 Silencing ARF genes p35S::clone 79 RNAi

7 p35S::clone 79 RNAi “Valentine tomato” Conclusions Fruit set seems to be regulated through ARF factors, that might mediate a primary signal (of embryonic origin) that induces fruit set

8 Head of the laboratory & Promotor Prof. Dr. C. Mariani Co-promotor Dr. W.H. Vriezen External Supervisor Dr. R. Offringa Leiden University Technicians Richard Feron Mieke Wolters-Arts Thanks to…


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