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Tomato Root Transformation Followed by Inoculation with Ralstonia Solanacearum for Straightforward Genetic Analysis of Bacterial Wilt Disease
Published on: March 11, 2020
Fruit ripening mutants yield insights into ripening control.
1US Department of Agriculture - Agricultural Research Service and Boyce Thompson Institute for Plant Research, Tower Road, Cornell University Campus, Ithaca, New York 14853, USA. jjg33@cornell.edu
Current Opinion in Plant Biology
|April 20, 2007
Summary
Plant fruit ripening involves complex molecular changes. Key genes like RIPENING-INHIBITOR (RIN) and COLOURLESS NON-RIPENING (CNR) control these processes, aiding seed dispersal.
Area of Science:
- Plant biology
- Molecular genetics
- Developmental biology
Background:
- Fruit ripening is a plant-specific developmental process crucial for seed dispersal.
- Understanding ripening mechanisms has been advanced by cloning key tomato ripening genes.
Purpose of the Study:
- To elucidate the molecular control mechanisms of fruit ripening.
- To identify key genes and transcription factors involved in regulating ripening.
Main Methods:
- Utilizing advances in tomato genomics.
- Employing positional and candidate-gene-based cloning of ripening genes.
- Investigating transcription factors and downstream signaling pathways.
Main Results:
- Cloning of several key tomato ripening genes.
- Identification of transcription factors, including RIPENING-INHIBITOR (RIN) and COLOURLESS NON-RIPENING (CNR) genes, essential for ripening.
- Elucidation of downstream signal transduction components.
Conclusions:
- Key transcription factors like RIN and CNR are central to fruit ripening.
- Hormonal and environmental factors modulate ripening through identified signaling pathways.
- Genomic tools have significantly advanced the understanding of plant ripening processes.
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