ArticleMolecular plant pathology2009
Salicylic acid confers resistance to a biotrophic rust pathogen, Puccinia substriata, in pearl millet (Pennisetum glaucum).
Article in Molecular plant pathology, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13 citing papers in PubMed, 35 citations in OpenAlex.
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- Metabolic Biomarker Panels of Response to Fusarium Head Blight Infection in Different Wheat Varieties.PloS one · 2016Article
- Differential gene expression in foxtail millet during incompatible interaction with Uromyces setariae-italicae.PloS one · 2015Article
- Molecular and physiological stages of priming: how plants prepare for environmental challenges.Plant cell reports · 2014Review
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- The photorespiratory pathway is involved in the defense response to powdery mildew infection in chestnut rose.Molecular biology reports · 2012Article
- SND2, a NAC transcription factor gene, regulates genes involved in secondary cell wall development in Arabidopsis fibres and increases fibre cell area in Eucalyptus.BMC plant biology · 2011Article
- SSHscreen and SSHdb, generic software for microarray based gene discovery: application to the stress response in cowpea.Plant methods · 2010Article
- Blumeria hordei affects volatile emission of susceptible and resistant barley plants and modifies the defense response of recipient plants.Physiologia plantarumArticle
Corrections and comments
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Studies were undertaken to assess the induction of defence response pathways in pearl millet (Pennisetum glaucum) in response to infection with the leaf rust fungus Puccinia substriata. Pretreatment of pearl millet with salicylic acid (SA) conferred resistance to a virulent isolate of the rust fungus, whereas methyl jasmonate (MeJA) did not significantly reduce infection levels. These results suggest that the SA defence pathway is involved in rust resistance. In order to identify pearl millet genes that are specifically regulated in response to SA and not MeJA, and thus could play a role in resistance to P. substriata, gene expression profiling was performed. Substantial overlap in gene expression responses between the treatments was observed, with MeJA and SA treatments exhibiting 17% co-regulated transcripts. However, 34% of transcripts were differentially expressed in response to SA treatment, but not in response to MeJA treatment. SA-responsive transcripts represented genes involved in SA metabolism, defence response, signal transduction, protection from oxidative stress and photosynthesis. The expression profiles of pearl millet plants after treatment with SA or MeJA were more similar to one another than to the response during a compatible infection with P. substriata. However, some SA-responsive genes were repressed during P. substriata infection, indicating possible manipulation of host responses by the pathogen.
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