A mechanism for biogenic production and emission of MEK from MVK decoupled from isoprene biosynthesis

Cappellin, Luca; Loreto, Francesco; Biasioli, Franco; Pastore, Paolo; McKinney, Karena

doi:https://doi.org/10.5194/acp-19-3125-2019

Articles | Volume 19, issue 5

https://doi.org/10.5194/acp-19-3125-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-19-3125-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 19, issue 5

Research article

|

12 Mar 2019

Research article |

| 12 Mar 2019

A mechanism for biogenic production and emission of MEK from MVK decoupled from isoprene biosynthesis

Luca Cappellin, Francesco Loreto, Franco Biasioli, Paolo Pastore, and Karena McKinney

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Final revised paper (published on 12 Mar 2019)
Supplement to the final revised paper
Preprint (discussion started on 14 Nov 2018)

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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AC1: 'Technical changes suggested by the short reviews', Luca Cappellin, 02 Dec 2018
RC1: 'Comments on "A mechanism for biogenic production and emission of MEK from MVK decoupled from isoprene biosynthesis" by Luca Cappellin et al.', Anonymous Referee #1, 03 Dec 2018
RC2: ''Comments on "A mechanism for biogenic production and emission of MEK from MVK decoupled from isoprene biosynthesis"', Anonymous Referee #2, 05 Dec 2018

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

AR by Luca Cappellin on behalf of the Authors (07 Feb 2019) Author's response Manuscript

ED: Publish as is (12 Feb 2019) by Thomas Karl

AR by Luca Cappellin on behalf of the Authors (20 Feb 2019)

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Short summary

MEK is an important VOC in atmospheric chemistry and recently it has been shown that biogenic sources are globally as important as anthropogenic ones. We unveiled the mechanism by which within-plant transformation of MVK is a source of biogenic MEK. Such transformation is observed in red oak for both exogenous MVK, taken up from the atmosphere, and endogenous MVK generated within plant when it experiences stress (e.g. heat stress). The new mechanism is important for inclusion in models.