Evidence map›Paper›PMID 22162874›Full record

ArticleJournal of experimental botany2012

Identification, functional characterization, and regulation of the enzyme responsible for floral (E)-nerolidol biosynthesis in kiwifruit (Actinidia chinensis).

Sol A Green, Xiuyin Chen, Niels J Nieuwenhuizen, Adam J Matich, Mindy Y Wang, Barry J Bunn, Yar-Khing Yauk, Ross G Atkinson

Open access · hybridAbstract read
In one paragraph

Article in Journal of experimental botany, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 36 papers.

0numbers the graph read from it
0cells of the map it votes in
36citing papers in PubMed
0.9field-weighted citation impact, top 26% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

36 citing papers in PubMed, 87 citations in OpenAlex.

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  15. Molecular Cloning and Functional Characterization ofPlants (Basel, Switzerland) · 2020
    Article
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors at 1 institution in 1 country.

Sol A GreenThe New Zealand Institute for Plant & Food Research Limited, Auckland, New Zealand. sol.green@plantandfood.co.nz
Xiuyin Chen
Niels J Nieuwenhuizen
Adam J Matich
Mindy Y Wang
Barry J Bunn
Yar-Khing Yauk
Ross G Atkinson
Plant & Food Research · NZ

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Flowers of the kiwifruit species Actinidia chinensis produce a mixture of sesquiterpenes derived from farnesyl diphosphate (FDP) and monoterpenes derived from geranyl diphosphate (GDP). The tertiary sesquiterpene alcohol (E)-nerolidol was the major emitted volatile detected by headspace analysis. Contrastingly, in solvent extracts of the flowers, unusually high amounts of (E,E)-farnesol were observed, as well as lesser amounts of (E)-nerolidol, various farnesol and farnesal isomers, and linalool. Using a genomics-based approach, a single gene (AcNES1) was identified in an A. chinensis expressed sequence tag library that had significant homology to known floral terpene synthase enzymes. In vitro characterization of recombinant AcNES1 revealed it was an enzyme that could catalyse the conversion of FDP and GDP to the respective (E)-nerolidol and linalool terpene alcohols. Enantiomeric analysis of both AcNES1 products in vitro and floral terpenes in planta showed that (S)-(E)-nerolidol was the predominant enantiomer. Real-time PCR analysis indicated peak expression of AcNES1 correlated with peak (E)-nerolidol, but not linalool accumulation in flowers. This result, together with subcellular protein localization to the cytoplasm, indicated that AcNES1 was acting as a (S)-(E)-nerolidol synthase in A. chinensis flowers. The synthesis of high (E,E)-farnesol levels appears to compete for the available pool of FDP utilized by AcNES1 for sesquiterpene biosynthesis and hence strongly influences the accumulation and emission of (E)-nerolidol in A. chinensis flowers.

Indexed as

ActinidiaAcyclic MonoterpenesAlkyl and Aryl TransferasesArabidopsisBase SequenceDiphosphatesDiterpenesFarnesolFlowersGene Expression Regulation, PlantKineticsMolecular Sequence DataMonoterpenesNicotianaOils, VolatilePhylogenyAcyclic MonoterpenesAlkyl and Aryl TransferasesDiphosphatesDiterpenesFarnesolfarnesyl pyrophosphategeranyl diphosphatelinaloolMonoterpenesnerolidolOils, VolatilePlant ProteinsPolyisoprenyl PhosphatesRecombinant ProteinsSesquiterpenesterpene synthase

Identifiers

PMID22162874
PMCPMC3295389
OpenAlexW2101509576

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.