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PLANT DIVERSITY Roland von Bothmer 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 The Global Seed Vault, NordGen, Svalbard, Norway E-mail: Roland.von.Bothmer@slu.se 41 X X I V S P P S C O N G R E S S 2 0 1 1 Invited talk 5 The wild biodiversity has attained the largest attention but the cultivated diversity has caused most international obstacles for its exploitation. The domestication process starting some 10 000 years ago initiated major genetic changes in the wild gene pool. To go from a wild to a cultivated state triggered a number of large shifts in morphology, anatomy and physiology. The new crops gradually adapted to new habitats and climates, which further increased the diversity. Modern plant breeding built on selections in the older landraces, which became obsolete and gradually vanished. Genetic erosion has escalated and much diversity has disappeared and the urgent need for further gene bank activities increases. In a global perspective of major human population growth and demand for drastically increased food production the pressure on genetic resources becomes a major issue. Efficient conservation and utilization of germplasm are thus important. We are nevertheless loosing diversity in the genebanks since there has not been a good back up system. The aim for The Svalbard Global Seed Vault is to be a global back up system for long term storage of all unique genebank accessions in the world. Is this feasible?
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 Session 1<strong>1.</strong>Climate change and adaptation to abiotic stress FUNCTIONAL ANALYSIS OF NOVEL MEMBRANE PROTEIN FAMILY, COR413 CONTROLLED BY AN ARABIDOPSIS TRANSCRIPTION FACTOR DREB1A Motoki Kanai, Kyonoshin Maruyama, Koji Yamada, Satoshi Kidokoro, Kazuo Shinozaki, Kazuko Yamaguchi-Shinozaki Graduate School of Agricultural and Life Sciences, University of Tokyo, Tokyo, Japan E-mail: aa097014@mail.ecc.u-tokyo.ac.jp When plants are exposed to various abiotic stresses, they respond and adapt to these stresses. DREB1A/CBF3 is one of cold-inducible genes encoding transcription factors in Arabidopsis. Overexpression of DREB1A caused increased tolerance to cold stress in Arabidopsis, indicating that the DREB1A protein functions in cold stress-responsive gene expression. Many protein products regulated by DREB1A are probably responsible for the stress tolerance of plants. In this study, we analyzed genes for novel membrane protein family, COR413s whose expression is regulated by DREB1A. We confirmed that the COR413 genes, COR413-IM1, COR413-IM2.1, and COR413-PM1 were cold inducible by using RNA gel blot analysis. We observed the subcellular localization patterns of the proteins by using GFP fusion genes. COR413-IM1 and COR413-IM2.1 were localized at the chloroplast membrane, while COR413-PM1 was thought to be localized at ER. We analyzed phenotypes of T-DNA insertion mutants of these genes. There is little difference in cold tolerance between WT plants and T-DNA insertion mutants. However we found that cor413-im1 and cor413-im2.1 mutants accumulated more anthocyanin as compared to the wild-type plants under cold stress condition. We performed microarray analyses using these mutants. 42 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
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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
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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
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Page 67 and 68: Sapporo Medical University, Sapporo
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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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