ArticlePlanta2007
Transcriptional profiles of primary metabolism and signal transduction-related genes in response to water stress in field-grown sunflower genotypes using a thematic cDNA microarray.
Article in Planta, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 42 citations in OpenAlex.
- Expression complementation of gene presence/absence polymorphisms in hybrids contributes importantly to heterosis in sunflower.Journal of advanced research · 2022Article
- Identification of differentially expressed genes in sunflower (Helianthus annuus) leaves and roots under drought stress by RNA sequencing.Botanical studies · 2017Article
- Integration of transcriptomic and metabolic data reveals hub transcription factors involved in drought stress response in sunflower (Helianthus annuus L.).Plant molecular biology · 2017Article
- Evolution of an intron-poor cluster of the CIPK gene family and expression in response to drought stress in soybean.Scientific reports · 2016Article
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- An analysis of sequence variability in eight genes putatively involved in drought response in sunflower (Helianthus annuus L.).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2011Article
- Modulation of transcription factor and metabolic pathway genes in response to water-deficit stress in rice.Functional & integrative genomics · 2011Article
- Transient transformation of sunflower leaf discs via an Agrobacterium-mediated method: applications for gene expression and silencing studies.Nature protocols · 2009Article
- A comprehensive analysis of the combined effects of high light and high temperature stresses on gene expression in sunflower.Annals of botany · 2008Article
- Transcriptomic identification of candidate genes involved in sunflower responses to chilling and salt stresses based on cDNA microarray analysis.BMC plant biology · 2008Article
Corrections and comments
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Authors and funding
4 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
A sunflower cDNA microarray containing about 800 clones covering major metabolic and signal transduction pathways was used to study gene expression profiles in leaves and embryos of drought-tolerant and -sensitive genotypes subjected to water-deficit stress under field conditions. Using two-step ANOVA normalization and analysis models, we identified 409 differentially expressed genes among genotypes, water treatment and organs. The majority of the cDNA clones differentially expressed under water stress was found to display opposite gene expression profiles in drought-tolerant genotype compared to drought-sensitive genotype. These dissimilarities suggest that the difference between tolerant and non-tolerant plants seems to be associated with changes in qualitative but not quantitative mRNA expression. Comparing leaves and embryos, 82 cDNA clones showing organ-specific variation in gene expression levels were identified in response to water stress across genotypes. Genes related to amino acids and carbohydrates metabolisms, and signal transduction were induced in embryos and repressed in leaves; suggesting that vegetative and reproductive organs respond differentially to water stress. Adaptive mechanisms controlling water deficit tolerance are proposed and discussed.
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