ArticleJournal of experimental botany2014
Knockout of the two evolutionarily conserved peroxisomal 3-ketoacyl-CoA thiolases in Arabidopsis recapitulates the abnormal inflorescence meristem 1 phenotype.
Article in Journal of experimental botany, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
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Who cites it
19 citing papers in PubMed, 45 citations in OpenAlex.
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- Multiomics dissection of Brassica napus L. lateral roots and endophytes interactions under phosphorus starvation.Nature communications · 2024Article
- Overexpression of Bacterial Beta-Ketothiolase Improves Flax (Metabolites · 2023Article
- Proteomic Analysis of Proteins Related to Defense Responses inInternational journal of molecular sciences · 2023Article
- Jasmonate Signaling Pathway Modulates Plant Defense, Growth, and Their Trade-Offs.International journal of molecular sciences · 2022Review
- Cloning of wheat keto-acyl thiolase 2B reveals a role of jasmonic acid in grain weight determination.Nature communications · 2020Article
- RICE ACYL-COA-BINDING PROTEIN6 Affects Acyl-CoA Homeostasis and Growth in Rice.Rice (New York, N.Y.) · 2020Article
- Grafting alters tomato transcriptome and enhances tolerance to an airborne virus infection.Scientific reports · 2020Article
- De novo transcriptome assembly for the five major organs of Zanthoxylum armatum and the identification of genes involved in terpenoid compound and fatty acid metabolism.BMC genomics · 2020Article
- Peroxisomal β-oxidation regulates histone acetylation and DNA methylation inProceedings of the National Academy of Sciences of the United States of America · 2019Article
- Mutation ofInternational journal of molecular sciences · 2019Article
- Jasmonates: News on Occurrence, Biosynthesis, Metabolism and Action of an Ancient Group of Signaling Compounds.International journal of molecular sciences · 2018Review
- The Roles of β-Oxidation and Cofactor Homeostasis in Peroxisome Distribution and Function in Arabidopsis thaliana.Genetics · 2016Article
- Differential expression of jasmonate biosynthesis genes in cacao genotypes contrasting for resistance against Moniliophthora perniciosa.Plant cell reports · 2015Article
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Authors and funding
4 authors at 1 institution in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
A specific function for peroxisomal β-oxidation in inflorescence development in Arabidopsis thaliana is suggested by the mutation of the abnormal inflorescence meristem 1 gene, which encodes one of two peroxisomal multifunctional proteins. Therefore, it should be possible to identify other β-oxidation mutants that recapitulate the aim1 phenotype. Three genes encode peroxisomal 3-ketoacyl-CoA thiolase (KAT) in Arabidopsis. KAT2 and KAT5 are present throughout angiosperms whereas KAT1 is a Brassicaceae-specific duplication of KAT2 expressed at low levels in Arabidopsis. KAT2 plays a dominant role in all known aspects of peroxisomal β-oxidation, including that of fatty acids, pro-auxins, jasmonate precursor oxophytodienoic acid, and trans-cinnamic acid. The functions of KAT1 and KAT5 are unknown. Since KAT5 is conserved throughout vascular plants and expressed strongly in flowers, kat2 kat5 double mutants were generated. These were slow growing, had abnormally branched inflorescences, and ectopic organ growth. They made viable pollen, but produced no seed indicating that infertility was due to defective gynaecium function. These phenotypes are strikingly similar to those of aim1. KAT5 in the Brassicaceae encodes both cytosolic and peroxisomal proteins and kat2 kat5 defects could be complemented by the re-introduction of peroxisomal (but not cytosolic) KAT5. It is concluded that peroxisomal KAT2 and KAT5 have partially redundant functions and operate downstream of AIM1 to provide β-oxidation functions essential for inflorescence development and fertility.
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