ArticleGenes & genomics2022
Transcriptome analysis reveals key defense-related genes upon SA induction in Cocos nucifera L.
Article in Genes & genomics, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed, 3 citations in OpenAlex.
- Utilizing physiologies, transcriptomics, and metabolomics to unravel key genes and metabolites ofFrontiers in plant science · 2024Article
- Genomics and Transcriptomics Reveal Genetic Contribution to Population Diversity and Specific Traits in Coconut.Plants (Basel, Switzerland) · 2023Review
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Authors and funding
6 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundSalicylic acid (SA) is an important regulator of genes involved in plant defense and pathogen-triggered systemic acquired resistance (SAR). Coconut is an important crop affected by several pathogens. Reported evidence suggests SA involvement in defense responses, including SAR in coconut.
objectiveTo identified differentially expressed genes in leaf and root tissues of coconut plantlets, as a result of SA, that might be involved in coconut defense responses.
methodsComparative transcriptomic analysis by RNA-Seq of leaf and root tissues from in vitro coconut plantlets unexposed and exposed to SA 2.5 mM for 48 h. And in silico validation of gene expression by qRT-PCR.
resultsWe identified 4615 and 3940 differentially expressed unigenes (DEUs) in leaf and root tissues respectively. Our GO analysis showed functional categories related to the induction of defense responses, such as "systemic acquired resistance" and highly enriched hormone categories, such as abscisic acid. The most abundant KEGG pathway in our results was "Biosynthesis of antibiotics". Our findings support that exogenous application of SA to plantlets induced the activation of PRs, RGAs, ICS2, NLTP2, PER4, TRXM and some WRKYs mediated by NPR1-dependent pathways. Also, we found DEUs, such as BZR1, HSL1, and WHY2 that support that SA could regulate defense-related genes through NPR1-independent pathways.
conclusionThe present study of massive data analysis carried out on coconut plantlets exposed to SA, generates valuable information that increases our understanding of defense molecular mechanisms in coconut and open new venues for research for the improvement of management of coconut diseases.
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