ArticleScientific reports2022
Leaf transcriptome profiling of contrasting sugarcane genotypes for drought tolerance under field conditions.
Article in Scientific reports, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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9 citing papers in PubMed, 19 citations in OpenAlex.
- Multitrait Evaluation of Drought Tolerance at the Seedling Stage in Advanced Backcross Germplasm Derived from Sugarcane ×Plants (Basel, Switzerland) · 2026Article
- Sugarcane Breeding in the Genomic Era: Integrative Strategies and Emerging Technologies.Plants (Basel, Switzerland) · 2026Review
- OsFLN2 gene knockout reduces leaf water status and photosynthetic performance of rice plants under water deficit.BMC plant biology · 2025Article
- Transcriptome and WGCNA analysis revealed the molecular mechanism of drought resistance in new sugarcane varieties.Frontiers in plant science · 2025Article
- Gene Expression Analysis for Drought Tolerance in Early Stage of Potato Plant Development.Biology · 2024Article
- Integrated PacBio SMRT and Illumina sequencing uncovers transcriptional and physiological responses to drought stress in whole-plantFrontiers in genetics · 2024Article
- Comparative transcriptomic analyses of two sugarcaneFrontiers in plant science · 2023Article
- Drought-triggered leaf transcriptional responses disclose key molecular pathways underlying leaf water use efficiency in sugarcane (Frontiers in plant science · 2023Article
- Transcriptome profiling disclosed the effect of single and combined drought and heat stress on reprogramming of genes expression in barley flag leaf.Frontiers in plant science · 2022Article
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Authors and funding
17 authors at 4 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Drought is the most detrimental abiotic stress to sugarcane production. Nevertheless, transcriptomic analyses remain scarce for field-grown plants. Here we performed comparative transcriptional profiling of two contrasting sugarcane genotypes, 'IACSP97-7065' (drought-sensitive) and 'IACSP94-2094' (drought-tolerant) grown in a drought-prone environment. Physiological parameters and expression profiles were analyzed at 42 (May) and 117 (August) days after the last rainfall. The first sampling was done under mild drought (soil water potential of -60 kPa), while the second one was under severe drought (soil water potential of -75 kPa). Microarray analysis revealed a total of 622 differentially expressed genes in both sugarcane genotypes under mild and severe drought stress, uncovering about 250 exclusive transcripts to 'IACSP94-2094' involved in oxidoreductase activity, transcriptional regulation, metabolism of amino acids, and translation. Interestingly, the enhanced antioxidant system of 'IACSP94-2094' may protect photosystem II from oxidative damage, which partially ensures stable photochemical activity even after 117 days of water shortage. Moreover, the tolerant genotype shows a more extensive set of responsive transcription factors, promoting the fine-tuning of drought-related molecular pathways. These results help elucidate the intrinsic molecular mechanisms of a drought-tolerant sugarcane genotype to cope with ever-changing environments, including prolonged water deficit, and may be useful for plant breeding programs.
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