2010
DOI: 10.1590/s1415-47572010005000030
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Differential expression of pathogenicity- and virulence-related genes of Xanthomonas axonopodis pv. citri under copper stress

Abstract: In this study, we used real-time quantitative PCR (RT-qPCR) to evaluate the expression of 32 genes of Xanthomonas axonopodis pv. citri related to pathogenicity and virulence that are also involved in copper detoxification. Nearly all of the genes were up-regulated, including copA and copB. Two genes homologous to members of the type II secretion system (xcsH and xcsC) and two involved in the degradation of plant cell wall components (pglA and pel) were the most expressed in response to an elevated copper conce… Show more

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Cited by 13 publications
(14 citation statements)
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“…This gene was chosen as an internal control because previous experiments by Palmieri et al (2010) had shown that its transcript levels were not significantly altered compared to those of other genes (pthA, rpo, nuoB, petC and 16S rDNA). In addition, this gene is universally present in Xanthomonas spp.…”
Section: Resultsmentioning
confidence: 99%
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“…This gene was chosen as an internal control because previous experiments by Palmieri et al (2010) had shown that its transcript levels were not significantly altered compared to those of other genes (pthA, rpo, nuoB, petC and 16S rDNA). In addition, this gene is universally present in Xanthomonas spp.…”
Section: Resultsmentioning
confidence: 99%
“…The transcription level of genes of the organism X. campestris (avrXacE1, avrXacE2, hpaA and hrpG) was considered as normal because expression level of these genes was previously studied by Palmieri et al (2010). Comparison was carried out between the transcription level of these genes in Xanthomonas and the other Gram-negative bacteria like E. cloacae, Enterobacter spp., P. ananatis, Xanthomonas campestries, P. agglomerans, O. anthropi and E. chrysanthemi.…”
Section: Resultsmentioning
confidence: 99%
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