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A B S T R A C T B O O K – A B S T R A C T S O F T A L K S 15 X X I V S P P S C O N G R E S S 2 0 1 1 Session <strong>1.</strong> Biotechnology and synthetic biology STUDIES ON TARGETED SILENCING OF TWO PARALOGOUS ACC OXIDASE GENES IN BANANA Yi-Yin Do, Yu-Chen Liao, Mei-Lun Yeh, Pung-Ling Huang Department of Horticulture, National Taiwan University, Taipei, Taiwan E-mail: pungling@ntu.edu.tw Banana (Musa spp.) is one of the typical climacteric fruits with great economic importance. Ethylene production is essential for the ripening of banana and 1aminocyclopropane-1-carboxylic acid oxidase (ACO), the last key enzyme in the ethylene biosynthesis pathway, is encoded by two or more paralogous genes in the banana genome. Two ACO genes, Mh-ACO1 and Mh-ACO2, have been cloned from banana and their expression patterns during fruit ripening have been characterized. To elucidate the respective roles of these two genes a series of RNA interference (RNAi) lines that showed reduced expression of either of these two genes were obtained. A significant delay in change of peel color, and a considerably reduction in ethylene production and respiration rate were observed in the Mh-ACO2 RNAi lines. The characteristics of these phenotypes suggest that Mh-ACO2 plays pivotal role in fruit ripening of banana. The silencing of Mh- ACO1 seemed affect growth and development at the whole plant level and resulted in a dwarf phenotype characterized by slow growth in the early growth stage. The phenotypes related to the role of Mh-ACO1 involved in fruit ripening will be the subject of a future, more detailed investigation of these plants.
Session <strong>1.</strong> Biotechnology and synthetic biology A B S T R A C T B O O K – A B S T R A C T S O F T A L K S PHYTOREMEDIATION OF NITROESTERS Radka Podlipná 1 , Eliška Nachlingerová 2 , Tomáš Vaněk 1 1 Laboratory of Plant Biotechnologies, Experimental Botany CAS, Prague, Czech Republic 2 Faculty of Environmental Technology, Institute of Chemical Technology, Prague, Czech Republic E-mail: podlipna@ueb.cas.cz Explosives are toxic, recalcitrant to degradation and contaminate large areas of land and ground water. Remediation of these xenobiotics is difficult and an enormous logistical task. Phytoremediation is a technique that offers an environment friendly, low-cost alternative to current remediation techniques. However this approach is hindered by the low metabolic abilities of plants towards these xenobiotic compounds and the phytotoxicity of these compounds. Pentaerythritol tetranitrate (PETN) is one of the most powerful detonated explosives. The ecotoxicity of PETN was characterized by the test based on the inhibition of elongation of primary roots 3days-old mustard and hemp seedlings. The fate of PETN on exposure to plant was investigated in hydroponic and in vitro systems. Medium and extracts of plants were analyzed by HPLC (High-performance liquid chromatography). This study showed that PETN was taken up by plant species in both systems. The accumulation of this nitroester was observed more in the roots than in the aerial parts of the plants. Acknowledgments The authors thank for financial support of projects 1MPO6030 and grant MYES of CR n. OC1002. 16 X X I V S P P S C O N G R E S S 2 0 1 1
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Page 3 and 4: Foreword eword ord A B S T R A C T
Page 5 and 6: Program of the Congress gram of the
Page 7 and 8: A B S T R A C T B O O K - P R O G R
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Page 11 and 12: Plenary session 1 A B S T R A C T B
Page 13 and 14: Plenary session 2 THE BIOLOGY OF AL
Page 15: Session 1. Biotechnology and synthe
Page 19 and 20: Session 2. Systems biology and -omi
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Page 27 and 28: Pleanary session 4 A B S T R A C T
Page 29 and 30: Invited talk 4 A B S T R A C T B O
Page 31 and 32: Session 5.Cell biology A B S T R A
Page 33 and 34: Session 6.Organelle biology A B S T
Page 35 and 36: Session 6.Organelle biology A B S T
Page 37 and 38: Session 7.Development A B S T R A C
Page 39 and 40: Session 8.Signalling A B S T R A C
Page 41 and 42: Pleanary session 6 A B S T R A C T
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Sapporo Medical University, Sapporo
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A B S T R A C T B O O K - A B S T R
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SCF = A B S T R A C T B O O K - A B
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A B S T R A C T B O O K - L I S T O
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A B S T R A C T B O O K - L I S T O
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Sponsors onsors ors A B S T R A C T
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1. Front Cover.cdr - CORE

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