A novel delivery system for the root symbiotic fungus, Sebacina vermifera, and consequent biomass enhancement of low lignin COMT switchgrass lines.

作者: Prasun Ray , Takako Ishiga , Stephen R. Decker , Geoffrey B. Turner , Kelly D. Craven

DOI: 10.1007/S12155-015-9636-8

关键词: BiomassAgronomyBotanyBioenergyBiologyLigninBiofuelGenetically modified cropsSebacinaDrought toleranceCellulosic ethanol

摘要: Sebacina vermifera (MAFF-305830) is a mycorrhizal fungus originally isolated from the roots of orchids that we have previously shown to be tremendously beneficial in enhancing biomass yield and drought tolerance switchgrass, an important bioenergy crop for cellulosic ethanol production United States. Towards this end, developed bentonite clay particle-based delivery system mass dissemination S. large-scale field trials. A greenhouse-based experiment was conducted evaluate novel method enhancement wild type transgenic, low lignin (COMT down-regulated) switchgrass lines compared efficient vitro colonization method. enhanced plant regardless method, although percentage fungal planta increased with clay-based system. Further, found release some minerals solution presence vermifera, while others were seemingly reduced. Intriguingly, has little or no impact on cell wall composition, including lignification. This research first report documenting development any symbiotic microbe suggests can packaged mineral composite effectively delivered target host plant.

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