Evidence map›Paper›PMID 40528549›Full record

ArticlePest management science2025

A deletion upstream of the degron of AcIAA27 leads to auxinic herbicide resistance in Arctotheca calendula.

Yuanlin Qi, Mahima Krishnan, Matthew Tucker, Peter Boutsalis, Christopher Preston

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In one paragraph

Article in Pest management science, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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0citing papers in PubMed
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1 · What the graph read from it

What it found

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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

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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

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No citing paper in PubMed yet.

4 · The record

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5 · Who and what money

Authors and funding

5 authors.

Yuanlin QiSchool of Agriculture, Food and Wine, The University of Adelaide, Glen Osmond, South Australia, Australia.ORCID https://orcid.org/0000-0002-2260-1806
Mahima KrishnanSchool of Agriculture, Food and Wine, The University of Adelaide, Glen Osmond, South Australia, Australia.ORCID https://orcid.org/0009-0009-4574-9131
Matthew TuckerSchool of Agriculture, Food and Wine, The University of Adelaide, Glen Osmond, South Australia, Australia.
Peter BoutsalisSchool of Agriculture, Food and Wine, The University of Adelaide, Glen Osmond, South Australia, Australia.
Christopher PrestonSchool of Agriculture, Food and Wine, The University of Adelaide, Glen Osmond, South Australia, Australia.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundTwo populations of Arctotheca calendula (capeweed) from near Naracoorte, South Australia, were not controlled by 2,4-D. These populations were investigated for resistance to 2,4-D and other auxin herbicides. Aux/IAA genes were investigated for potential mutations.

resultsDose response experiments confirmed both populations were resistant to 2,4-D and also cross-resistant to MCPA, dicamba, triclopyr and picloram. The level of 2,4-D resistance in the populations was unchanged by pretreatment with the P450 inhibitor, malathion. Compared to the susceptible populations, a 12 bp deletion and a point mutation (Val116Asp) were identified upstream of degron region in AcIAA27 of R1, located 29 and 19 amino acids away from the degron. However, R2 did not have this mutation. Overexpression of AcIAA27

conclusionOur study demonstrated that resistance to 2,4-D and other auxin herbicides in capeweed population R1 is due to a deletion in AcIAA27. However, the Val116Asp mutation did not appear to contribute to resistance. © 2025 The Author(s). Pest Management Science published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.

Indexed as

Herbicide ResistanceHerbicidesIndoleacetic AcidsPlant ProteinsSequence Deletion2,4-Dichlorophenoxyacetic AcidDegronsSouth Australia2,4-Dichlorophenoxyacetic AcidHerbicidesIndoleacetic AcidsPlant Proteins2,4‐D resistanceArctotheca calendulaAux/IAAdegron

Identifiers

PMID40528549
PMCPMC12441773

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Registered trials

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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.