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Production of Epoxy and Hydroxy Oils in Castor (Ricinus communis) Seeds: a sustainable Source of Added Value Industrial Oils.

AutorRuiz-López, Noemí ; Sánchez-Álvarez, A.J.; Martínez-Force, Enrique ; Garcés Mancheño, Rafael ; Salas, Joaquín J.
Fecha de publicación5-jul-2015
ResumenUnusual fatty acids, such as epoxy and hydroxylated ones, have many uses as industrial feedstock for polymers, lubricants and synthetic chemistry. However, most plants producing unusual fatty acids are either limited in oil yield or have undesirable agronomic features. Consequently, these valuable industrial oils are usually obtained through chemical modification. Most attempts to produce unusual fatty acids in transgenic plants have resulted in low yields. These low yields in transgenic oilseeds may be due to biosynthetic bottlenecks within the host plant that inhibit synthesis of unusual fatty acids or induce their turnover. Engineering of plants to accumulate unusual fatty acids in seeds will require not only the biosynthetic enzymes for unusual fatty acids but also an efficient utilization of these fatty acids by the host-plant. Nowadays it is clear that castor (Ricinus communis) seeds possess special biosynthetic machinery that powerfully channels hydroxy fatty acids to triacylglycerols. This mechanism is not present in common oil crops, which has been an important impediment for them to accumulate these fatty acids. In that respect, castor looks like an ideal platform to produce and accumulate unusual fatty acids. In this presentation we will show our first results demonstrating the feasibility of the enzymatic machinery in castor seeds to use unusual fatty acids. Additionally our initial steps to set up the basis for using castor as a plant chemical factory will also be detailed. This study represents an important step forward into the obtaining of a new green, sustainable source of these important compounds which will serve as a renewable replacement for the chemical derived oils.
Aparece en las colecciones: (IG) Comunicaciones congresos
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