The plant hormone ABA

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Table of contents

I. State of the art
I.1 Seed dormancy and germination
I.1.1 Arabidopsis seed development and structure
I.1.2 Seed germination
I.1.3 External factors regulating germination
Water content
Oxygen
Temperature
I.1.4 Seed dormancy
Factors of dormancy
After ripening
I.1.5 Hormonal regulation of dormancy and germination
Abscisic acid
Gibberellins
ABA and GA balance
Ethylene
I.2 Transcriptional regulation of gene expression
I.2.1 Transcriptional regulation in plants
I.3 Post-transcriptional regulation of gene expression
I.3.1 Regulation of mRNA translation in plants
Regulation of translation initiation
Regulation of eIF2 activity
Regulation of eIF4E and eIFisoE activity
5′ to 3′ Exoribonucleases
3’-5’ Exoribonucleases
Specialized decay pathways
UNIVERSITE PIERRE ET MARIE CURIE – ISABELLE BASBOUSS-SERHAL – JUIN 2015 11
I.4. Objectives of the thesis
II. Fluctuation of Arabidopsis seed dormancy with relative humidity and temperature during dry storage
II.1 Introduction
II.2 Material and methods
II.3 Results
II.4 Discussion
III. Germination potential of dormant and non-dormant Arabidopsis seeds is driven by distinct recruitment of mRNAs to polysomes 
III.1 Introduction
III.2 Results
III.3 Discussion
III.4 Materiels and methodes
IV. 5′ to 3′ mRNA decay contributes to the regulation of Arabidopsis seed germination by dormancy
IV.1 Introduction
IV.2 Results
IV.3 Discussion
IV.4 Methods