Differentially expressed stress-related genes in the compatible citrus-Citrus leprosis virus interaction
Open Access
- 1 January 2007
- journal article
- research article
- Published by FapUNIFESP (SciELO) in Genetics and Molecular Biology
- Vol. 30 (3 suppl), 980-990
- https://doi.org/10.1590/s1415-47572007000500026
Abstract
Leprosis, caused by Citrus leprosis virus, cytoplasmic type (CiLV-C), is the main viral disease in the Brazilian citrus industry. This occurs because of the widespread source of inoculum and the year-round presence of the vector, the tenuipalpid mite Brevipalpus phoenicis, in citrus plants. In addition, while some Citrus species are resistant to CiLV-C, C. sinensis, the main cultivated species in the country, is extremely susceptible to the disease. The main objective of this work was to identify genes in C. sinensis cv. Pera plants that were differentially expressed after the host was challenged with CiLV-C. In order to accomplish that, cDNA libraries were constructed from healthy and CiLV-inoculated sweet orange leaves. Two hundred and fifty-four genes were found to differ significantly in terms of expression, with 193 of them induced and 61 repressed after inoculation. Here we discuss the possible roles of a sub-set of these genes involved in metabolism, energy, signaling and cell rescue, defense and virulence, and indicate which kind of response may take place in the initial steps of the disease. Although the symptoms induced by CiLV-C in its compatible interaction with sweet orange resemble those of hypersensitive response (HR) in incompatible interactions, our data indicate that, apparently, the manifestation of leprosis symptoms should not be considered HR.Keywords
This publication has 55 references indexed in Scilit:
- Inheritance and Heritability of Resistance to Citrus LeprosisPhytopathology®, 2006
- The citrus leprosis pathosystemSumma Phytopathologica, 2006
- Calmodulin-like Proteins from Arabidopsis and Tomato are Involved in Host Defense Against Pseudomonas syringae pv. tomatoPlant Molecular Biology, 2005
- Sorghum bicolor’s Transcriptome Response to Dehydration, High Salinity and ABAPlant Molecular Biology, 2005
- Molecular cloning and functional characterization of two apple S-adenosylmethionine decarboxylase genes and their different expression in fruit development, cell growth and stress responsesGene, 2005
- Role of Reactive Oxygen Intermediates and Cognate Redox Signaling in Disease ResistancePlant Physiology, 2000
- Hypersensitive response-related deathPlant Molecular Biology, 2000
- Flavonoids and isoflavonoids – a gold mine for metabolic engineeringTrends in Plant Science, 1999
- Concanavalin A inhibits development of tomato moth (Lacanobia oleracea) and peach-potato aphid (Myzus persicae) when expressed in transgenic potato plantsMolecular Breeding, 1999
- The oxidative burst protects plants against pathogen attack: Mechanism and role as an emergency signal for plant bio-defence — a reviewGene, 1996