Skip to main content
Przejdź do strony domowej Komisji Europejskiej (odnośnik otworzy się w nowym oknie)
polski pl
CORDIS - Wyniki badań wspieranych przez UE
CORDIS
Zawartość zarchiwizowana w dniu 2024-04-16

Development and use of Arabidopsis Thaliana as a tool for isolating genes of agronomic importance

Cel

This T project provides a framework that links scientists working on methods for gene identification to scientists dedicated to answering fundamental questions in plant biology using genetics and physiology as their disciplines. This linkage will accelerate the dissemination of techniques for gene search, and their applications to the molecular characterization of genes involved in flowering, seed development and embryogenesis.
Some of the major scientific goals met in the Arabidopsis thaliana programme are as follows. Approximately one third of the genome has been mapped, techniques for rapidly screening yeast artificial chromosome (YAC) libraries have been developed, and a database has been established for collating mapping and genetic data. Useful frequencies of homologous recombination in Arabidopsis have been demonstrated using the reconstruction of a hygromycin resistence gene as a selection for these rare events. These constructs are being made available for testing recombination methods and deoxyribonucleic acid (DNA) delivery systems. Important new mutations affecting abscisic acid action have been isolated, and the effect of these on gene expression, lipid and sugar metabolism, and interactions with other mutants are being investigated. An 11 kb piece of DNA has been identified, using chromosome walking, that complement abi3 mutations. With this gene identified, its sequence will help reveal the mode of action of a key growth regulator in plants. T-DNA tagged loci have been identified that affect the tissue specificity of GUS expression. Several of these effect embryo specific patterns of expression. A gene encoding the APETALATA2 product has been tagged using T-DNA and isolated. This gene, which determines floral morphology together with a small group of other homeotic genes, has been further characterised by sequencing. A walk using YACs of about 1 600kb has covered the co locus, which conditions flowering time. Several recombinants have narrowed down the region containing the gene, and complementation experiments are underway to isolate clones containing the gene. Similar walks are progressing towards the fca, fwa and fve loci. In addition, epistatic interactions between the different classes of mutants are being studied. Systems that drive high frequency excision and methods for selecting reintegration events, in transposon tagging have been developed. Large populations of plants are being screened for mutations.
This is a coordinated proposal from 44 participants in 9 countries that aims to develop techniques for gene isolation from Arabidopsis and use these methods for isolating genes involved in different aspects of plant biology relevant to agricultural development. There are 7 industrial contractors who will contribute directly to the proposal. Refinement of Arabidopsis as a genetic tool will be accomplished by groups for physical mapping, transposon tagging, gene replacement and resource distribution. Surrounding this are 5 groups who propose to concentrate their efforts on floral initiation, plant growth and differentiation, metabolic control, disease resistance, and seed development and stress responses. The proposed groups are based on areas of common technical or biological expertise and aims, and have been coordinated to provide a balance between technological and biological development that will, if implemented, lead to the rapid development of Arabidopsis as a tool for isolating genes of interest to agriculture. This framework has been designed to accommodate further biological areas of agricultural interest. Existing international collaborations Will be strengthened by this framework and will provide an efficient approach to the physical mapping and cloning of the Arabidopsis genome. At the end of the proposed work there will be sufficient data to initiate a programme of ordered sequencing of the entire genome.

Dziedzina nauki (EuroSciVoc)

Klasyfikacja projektów w serwisie CORDIS opiera się na wielojęzycznej taksonomii EuroSciVoc, obejmującej wszystkie dziedziny nauki, w oparciu o półautomatyczny proces bazujący na technikach przetwarzania języka naturalnego. Więcej informacji: Europejski Słownik Naukowy.

Aby użyć tej funkcji, musisz się zalogować lub zarejestrować

Program(-y)

Wieloletnie programy finansowania, które określają priorytety Unii Europejskiej w obszarach badań naukowych i innowacji.

Temat(-y)

Zaproszenia do składania wniosków dzielą się na tematy. Każdy temat określa wybrany obszar lub wybrane zagadnienie, których powinny dotyczyć wnioski składane przez wnioskodawców. Opis tematu obejmuje jego szczegółowy zakres i oczekiwane oddziaływanie finansowanego projektu.

Brak dostępnych danych

Zaproszenie do składania wniosków

Procedura zapraszania wnioskodawców do składania wniosków projektowych w celu uzyskania finansowania ze środków Unii Europejskiej.

Brak dostępnych danych

System finansowania

Program finansowania (lub „rodzaj działania”) realizowany w ramach programu o wspólnych cechach. Określa zakres finansowania, stawkę zwrotu kosztów, szczegółowe kryteria oceny kwalifikowalności kosztów w celu ich finansowania oraz stosowanie uproszczonych form rozliczania kosztów, takich jak rozliczanie ryczałtowe.

CSC - Cost-sharing contracts

Koordynator

JOHN INNES CENTRE
Wkład UE
Brak danych
Koszt całkowity

Ogół kosztów poniesionych przez organizację w związku z uczestnictwem w projekcie. Obejmuje koszty bezpośrednie i pośrednie. Kwota stanowi część całkowitego budżetu projektu.

Brak danych

Uczestnicy (19)

Moja broszura 0 0