Oxylipins that regulate the symptom of fruit maturation such as ethylene production
S. Kondo, M. Kittikorn, M. Yokoyama
Acta Horticulturae 989: 41-46. 2013.
2013
บทคัดย่อ
Oxylipins are derived from lipoxygenase-dependent oxidation of fatty acid. We investigated the effects of two kinds of oxylipins such as 9,10-Ketol-octadecadienoic acid (KODA) and jasmonates on fruit maturation including ethylene production in pre-climacteric apple fruit. ACC oxidase activities and ethylene production in KODA-treated fruit were higher than those in untreated control fruit. In addition, the expression of MdACO1 transcripts in the skin of KODA-treated fruit was higher than that in the untreated controls. The applications of jasmonates at the pre-climacteric stage increased ACC synthase and ACC oxidase activities and ethylene production. Furthermore, the expressions of ACC synthase (MdACS1) and ACC oxidase (MdACO1) increased in jasmonte treated-fruit. These results suggest that oxylipins such as KODA and jasmonates may regulate fruit maturation through their influence on ethylene production.