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  Modification of sunflower oil quality by seed-specific expression of a heterologous Delta 9-stearoyl-(acyl carrier protein) desaturase gene

Rousselin, P., Molinier, J., Himber, C., Schontz, D., Prieto-Dapena, P., Jordano, J., et al. (2002). Modification of sunflower oil quality by seed-specific expression of a heterologous Delta 9-stearoyl-(acyl carrier protein) desaturase gene. Plant Breeding, 121(2), 108-116.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0012-3DF3-6 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0012-3DF4-4
Genre: Journal Article

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 Creators:
Rousselin, P., Author
Molinier, J., Author
Himber, C., Author
Schontz, D., Author
Prieto-Dapena, P., Author
Jordano, J., Author
Martini, N.1, Author              
Weber, S., Author
Horn, R., Author
Ganssmann, M., Author
Grison, R., Author
Pagniez, M., Author
Toppan, A., Author
Friedt, W., Author
Hahne, G., Author
Affiliations:
1Dept. of Genetic Principles of Plant Breeding (Jozef Schell), MPI for Plant Breeding Research, Max Planck Society, ou_1113567              

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Free keywords: Helianthus annuus; transgenic sunflower; fatty acid biosynthesis; stearic acid; Delta 9-stearoyl-(ACP) desaturase gene
 Abstract: The coding sequence of Delta9-stearoyl-(acyl carrier protein) desaturase from Ricinus communis was introduced into sunflower. under the control of seed-specific promoter and terminator sequences of the late embryogenesis abundant gene from sunflower. Hads10. Two independent primary transformants contained three and six copies of the T-DNA. as demonstrated by hybridization using nptII as a probe. The transgene proved genetically stable and was transmitted as a Mendelian trait. Transcript analysis of the heterologous Delta9-stearoyl-(acyl carrier protein) desaturase under control of the Hads10 promoter verified tissue-specific expression in the developing embryos and not in the leaves. Fatty acid composition of the seed oil was followed over five generations under greenhouse and open field conditions. Some of the transgenic lines produced oil with a significantly reduced stearic acid content compared with non-transformed plants under greenhouse and field conditions, However. additional studies need to be performed to assess whether or not physiologically stable lines can be developed from these transgenic lines.

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Language(s): eng - English
 Dates: 2002-04
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: eDoc: 127743
ISI: 000175211000002
 Degree: -

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Title: Plant Breeding
  Alternative Title : Plant Breed.
Source Genre: Journal
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Publ. Info: -
Pages: - Volume / Issue: 121 (2) Sequence Number: - Start / End Page: 108 - 116 Identifier: ISSN: 0179-9541