ArticlePloS one2013
Dissecting rice polyamine metabolism under controlled long-term drought stress.
Article in PloS one, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 49 papers.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
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.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
49 citing papers in PubMed.
- Polyamine-Related Gene Families Identification and Regulatory Effects on Early Somatic Embryogenesis via Modulating Gene Expressions and Hormone Levels inPlants (Basel, Switzerland) · 2026Article
- Genome-Wide Identification, Phylogenetic Analysis, and Expression Pattern of Polyamine Biosynthesis Gene Family in Pepper.International journal of molecular sciences · 2025Article
- Screening and Comprehensive Evaluation of Drought Resistance in Cotton Germplasm Resources at the Germination Stage.Plants (Basel, Switzerland) · 2025Article
- Paraquat resistance mutations have differential effects on plant fitness in two rice cultivars.The Biochemical journal · 2025Article
- Article
- Different reactions of wheat, maize, and rice plants to putrescine treatment.Physiology and molecular biology of plants : an international journal of functional plant biology · 2024Article
- Genome-wide identification of polyamine metabolism and ethylene synthesis genes in Chenopodium quinoa Willd. and their responses to low-temperature stress.BMC genomics · 2024Article
- Variations in Proline Content, Polyamine Profiles, and Antioxidant Capacities among Different Provenances of European Beech (Antioxidants (Basel, Switzerland) · 2024Article
- Dynamics of Polyamines, Proline, and Ethylene Metabolism under Increasing Cold in Winter Oilseed Rape.International journal of molecular sciences · 2023Article
- Transcriptional Expression of Nitrogen Metabolism Genes and Primary Metabolic Variations in Rice Affected by Different Water Status.Plants (Basel, Switzerland) · 2023Article
- Environmental Factors Regulate Plant Secondary Metabolites.Plants (Basel, Switzerland) · 2023Review
- Grape Berry Responses to Sequential Flooding and Heatwave Events: A Physiological, Transcriptional, and Metabolic Overview.Plants (Basel, Switzerland) · 2022Article
- Article
- Whole Transcriptome Sequencing Reveals Drought Resistance-Related Genes in Upland Cotton.Genes · 2022Article
- Reprogramming of Plant Central Metabolism in Response to Abiotic Stresses: A Metabolomics View.International journal of molecular sciences · 2022Review
- Putrescine: A Key Metabolite Involved in Plant Development, Tolerance and Resistance Responses to Stress.International journal of molecular sciences · 2022Review
- DNA methylation and histone modifications induced by abiotic stressors in plants.Genes & genomics · 2022Review
- Spermidine exogenous application mollifies reproductive stage heat stress ramifications in rice.Frontiers in plant science · 2022Article
- Spermidine Suppressed the Inhibitory Effects of Polyamines Inhibitors Combination in Maize (Plants (Basel, Switzerland) · 2021Article
- Differentiation of the High Night Temperature Response in Leaf Segments of Rice Cultivars with Contrasting Tolerance.International journal of molecular sciences · 2021Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
A selection of 21 rice cultivars (Oryza sativa L. ssp. indica and japonica) was characterized under moderate long-term drought stress by comprehensive physiological analyses and determination of the contents of polyamines and selected metabolites directly related to polyamine metabolism. To investigate the potential regulation of polyamine biosynthesis at the transcriptional level, the expression of 21 genes encoding enzymes involved in these pathways were analyzed by qRT-PCR. Analysis of the genomic loci revealed that 11 of these genes were located in drought-related QTL regions, in agreement with a proposed role of polyamine metabolism in rice drought tolerance. The cultivars differed widely in their drought tolerance and parameters such as biomass and photosynthetic quantum yield were significantly affected by drought treatment. Under optimal irrigation free putrescine was the predominant polyamine followed by free spermidine and spermine. When exposed to drought putrescine levels decreased markedly and spermine became predominant in all cultivars. There were no correlations between polyamine contents and drought tolerance. GC-MS analysis revealed drought-induced changes of the levels of ornithine/arginine (substrate), substrates of polyamine synthesis, proline, product of a competing pathway and GABA, a potential degradation product. Gene expression analysis indicated that ADC-dependent polyamine biosynthesis responded much more strongly to drought than the ODC-dependent pathway. Nevertheless the fold change in transcript abundance of ODC1 under drought stress was linearly correlated with the drought tolerance of the cultivars. Combining metabolite and gene expression data, we propose a model of the coordinate adjustment of polyamine biosynthesis for the accumulation of spermine under drought conditions.
Indexed as
Identifiers
What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.