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The family of terpene synthases in plants: a mid-size family of genes for specialized metabolism that is highly diversified throughout the kingdom.
Some plant terpenes such as sterols and carotenes are part of primary metabolism and found essentially in all plants. However, the majority of the terpenes found in plants are classified as
The Tomato Homolog of CORONATINE-INSENSITIVE1 Is Required for the Maternal Control of Seed Maturation, Jasmonate-Signaled Defense Responses, and Glandular Trichome Development Online version contains
  • Lei Li, You-Xing Zhao, G. Howe
  • Environmental Science, Biology
    The Plant Cell Online
  • 1 January 2004
It is demonstrated that the tomato homolog of CORONATINE-INSENSITIVE1 (COI1), an F-box protein that is required for JA-signaled processes in Arabidopsis, regulates distinct developmental processes in different plants and suggests a role for JA in the promotion of glandular trichome–based defenses.
Biosynthesis and Emission of Terpenoid Volatiles from Arabidopsis Flowers Article, publication date, and citation information can be found at www.plantcell.org/cgi/doi/10.1105/tpc.007989.
It is shown that Arabidopsis flowers emit both monoterpenes and sesquiterpenes, potential olfactory cues for pollinating insects, and allows detailed investigations of floral volatile biosynthesis and its regulation to be performed with this model plant system.
An Arabidopsis thaliana gene for methylsalicylate biosynthesis, identified by a biochemical genomics approach, has a role in defense.
A gene (AtBSMT1) encoding a protein with both benzoic acid and salicylic acid (SA) carboxyl methyltransferase activities was identified using a biochemical genomics approach and showed expression in leaves under normal growth conditions and were more highly expressed in the flowers.
An evolutionarily conserved protein binding sequence upstream of a plant light-regulated gene.
A protein factor, identified in nuclear extracts obtained from tomato and Arabidopsis seedlings, specifically binds upstream sequences from the plant light-regulated gene family encoding the small subunit of ribulose 1,5-bisphosphate carboxylase/oxygenase (RBCS).
Biochemistry of Plant Volatiles1
Plants have a penchant for perfuming the atmosphere around them and the discovery of the gaseous hormone ethylene 70 years ago brought the realization that at least some of them emit substances with distinctive smells.
Two sesquiterpene synthases are responsible for the complex mixture of sesquiterpenes emitted from Arabidopsis flowers.
It is reported that only two terpene synthases, encoded by the florally expressed genes At5g23960 and At5G44630, are responsible for the formation of virtually all sesquiterpenes found in the Arabidopsis floral volatile blend.
Monoterpenes in the glandular trichomes of tomato are synthesized from a neryl diphosphate precursor rather than geranyl diphosphate
The data indicate that, contrary to the textbook view of geranyl diphosphate as the “universal” substrate of monoterpene synthases, in tomato glands neryl diph phosphate serves as a precursor for the synthesis ofmonoterpenes.
Structural and biochemical studies identify tobacco SABP2 as a methyl salicylate esterase and implicate it in plant innate immunity.
The results suggest that SABP2 may be required to convert MeSA to SA as part of the signal transduction pathways that activate systemic acquired resistance and perhaps local defense responses as well.