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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.

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Showing 1 to 6 of 6 (0.067 seconds)

Spelling suggestions: "subject:"tomato ripening"" "subject:"somato ripening""

1

Effect of silver ions on gene expression during ripening and senescence in tomato

Davies, K. M. January 1989 (has links)
No description available.
630
Tomato ripening
2

Control of enzyme changes during tomato fruit ripening

Smith, C. J. S. January 1986 (has links)
No description available.
572
Enzymes in tomato ripening
3

Expression of the tomato ACC oxidase genes

Barry, Cornelius Stephen January 1995 (has links)
No description available.
630
Tomato ripening
4

Organisation and expression of ripening-related genes in normal and mutant tomatoes

Knapp, J. E. January 1988 (has links)
No description available.
630
Tomato ripening genes
5

Regulation of gene expression during tomato ripening

Purton, M. E. January 1986 (has links)
No description available.
572.8
Gene role in tomato ripening
6

Metabolic modelling of tomato fruit ripening

Hawari, Aliah H. January 2014 (has links)
Tomatoes are the fourth most valuable commodity in agriculture after rice, wheat and soybeans globally with 151 million tonnes of fruit being produced in 2012. The tomato fruit is also a model system for fleshy fruit development. During ethylene-regulated fruit ripening there are complex changes in fruit chemical composition due to degradation and synthesis of a number of soluble and volatile metabolites. Ultimately, these changes control the composition of the ripe fruit and dictate its flavour and texture. It is known that ripening can proceed when mature green fruit are removed from the plant (and indeed this is standard commercial practice) but the extent to which metabolic changes are sustained when fruit are ripened in this way has yet to be established. A modelling approach such as constraints-based modelling can provide system-level insights into the workings of the complex tomato metabolic network during ripening. The first aim of this thesis was therefore to construct a genome-scale metabolic network model for tomato and to use this model to explore metabolic network flux distributions during the transitions between the stages of fruit ripening. The flux distributions predicted provided insight into the production and usage of energy and reductants, into routes for climacteric CO<sub>2</sub> release, and the metabolic routes underlying metabolite conversions during ripening. The second aim of this thesis was to use the model to explore metabolic engineering strategies for increased production of lycopene in tomato fruit. The model predictions showed that rearrangement of dominant metabolic fluxes were required to cope with the increased demand for reductants at high lycopene accumulation, which came at a cost of a lower accumulation of other secondary metabolites. Overall the thesis provides an approach to connect underlying metabolic mechanisms to the known metabolic processes that happen during ripening.
635

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