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NAC Transcription Factors of Barley (Hordeum vulgare L.) and their Involvement in Leaf Senescence

Publikation: Bog/antologi/afhandling/rapportPh.d.-afhandling

  • Michael Wagner

Research in cereal crop productivity is of crucial importance for sustaining a global food supply. Today’s production can barely meet the current demands, and with the increasing human population, continued reduction of farmland, and changing climate, this will only become worse unless higher yielding cereal crops are generated. In cereals, the process of leaf senescence is of utmost relevance when discussing yield. It is during the senescence process that all nutrients are transported from the withering leaf to the developing grains. Furthermore, the timing of senescence determines the photosynthetically productive period of the crop plant. Improving the process of senescence by genetic means rather than by increasing the amount of fertiliser is one potential approach towards a higher sustainable productivity. In several species of plants, the NAC transcription factors have been shown to regulate parts of the senescence process. The specific aims of this study were therefore (1) to establish and characterise the NAC transcription factors of the model cereal crop barley (Hordeum vulgare L.) (2) to identify and study putative barley NAC transcription factors involved in the regulation of leaf senescence on both genetic and molecular levels.

OriginalsprogEngelsk
ForlagAarhus University, Science and Technology
Antal sider254
ISBN (Trykt)978-87-91949-79-1
StatusUdgivet - 7 nov. 2011
BegivenhedPhD defence: Michael Wagner Christiansen - AU Flakkbjerg, Danmark
Varighed: 7 nov. 20117 nov. 2011

Seminar

SeminarPhD defence: Michael Wagner Christiansen
Land/OmrådeDanmark
ByAU Flakkbjerg
Periode07/11/201107/11/2011

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