Abstract：
:Ecological adaptations to seasonal changes are often observed in the phenotypic traits of plants and animals, and these adaptations are usually expressed through the production of different biochemical end products. In this study, ecological adaptations are observed in a biochemical pathway without alteration of the end products. We present an alternative principal pathway to the characteristic floral scent compound 2-phenylethanol (2PE) in roses. The new pathway is seasonally induced in summer as a heat adaptation that uses rose phenylpyruvate decarboxylase (RyPPDC) as a novel enzyme. RyPPDC transcript levels and the resulting production of 2PE are increased time-dependently under high temperatures. The novel summer pathway produces levels of 2PE that are several orders of magnitude higher than those produced by the previously known pathway. Our results indicate that the alternative principal pathway identified here is a seasonal adaptation for managing the weakened volatility of summer roses.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Hirata H,Ohnishi T,Tomida K,Ishida H,Kanda M,Sakai M,Yoshimura J,Suzuki H,Ishikawa T,Dohra H,Watanabe Ndoi
10.1038/srep20234subject
Has Abstractpub_date
2016-02-01 00:00:00pages
20234issn
2045-2322pii
srep20234journal_volume
6pub_type
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