ArticlePlant molecular biology2017
Comparative analysis of Histone modifications and DNA methylation at OsBZ8 locus under salinity stress in IR64 and Nonabokra rice varieties.
Article in Plant molecular biology, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers, 1 of them a synthesis that pooled it.
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Who cites it
19 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Meta-QTL and ortho-MQTL analyses identified genomic regions controlling rice yield, yield-related traits and root architecture under water deficit conditions.Scientific reports · 2021Pooled it
- Recent Advances in Histone Methylation in Plant Adaptation to Salinity.Plants (Basel, Switzerland) · 2026Review
- Dynamic regulatory mechanisms of histone methylation in plant development and environmental adaptation.Horticulture research · 2026Article
- DNA Methylation Dynamics in Plant Abiotic Stress Response: Mechanisms, Memory, and Breeding Applications.Genes · 2026Review
- Review
- Genome-wide mapping of main histone modifications and coordination regulation of metabolic genes under salt stress in pea (Horticulture research · 2024Article
- Insights into the Epigenetic Basis of Plant Salt Tolerance.International journal of molecular sciences · 2024Review
- Impact of Abiotic Stress on Rice and the Role of DNA Methylation in Stress Response Mechanisms.Plants (Basel, Switzerland) · 2024Review
- Unravelling the Epigenetic Code: DNA Methylation in Plants and Its Role in Stress Response.Epigenomes · 2024Review
- Salinity-responsive histone PTMs identified in the gills and gonads of Mozambique tilapia (Oreochromis mossambicus).BMC genomics · 2024Article
- Characteristic of the Ascorbate Oxidase Gene Family inInternational journal of molecular sciences · 2022Article
- DNA Methylation in Plant Responses and Adaption to Abiotic Stresses.International journal of molecular sciences · 2022Review
- Methylation hallmarks on the histone tail as a linker of osmotic stress and gene transcription.Frontiers in plant science · 2022Review
- Uncovering the Epigenetic Marks Involved in Mediating Salt Stress Tolerance in Plants.Frontiers in genetics · 2022Review
- Epigenetic regulation of salinity stress responses in cereals.Molecular biology reports · 2022Review
- Article
- DNA Demethylation in Response to Heat Stress inInternational journal of molecular sciences · 2021Article
- Defining the Cell Wall, Cell Cycle and Chromatin Landmarks in the Responses ofInternational journal of molecular sciences · 2021Article
- Epigenetics and epigenomics: underlying mechanisms, relevance, and implications in crop improvement.Functional & integrative genomics · 2020Review
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4 authors.
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Abstract
Rice being an important cereal crop is highly sensitive to salinity stress causing growth retardation and loss in productivity. However, certain rice genotypes like Nonabokra and Pokkali show a high level of tolerance towards salinity stress compared to IR64 variety. This differential response of tolerant varieties towards salinity stress may be a cumulative effect of genetic and epigenetic factors. In this study, we have compared the salinity-induced changes in chromatin modifications at the OsBZ8 locus in salt-tolerant Nonabokra and salt-sensitive IR64 rice varieties. Expression analysis indicates that the OsBZ8 gene is highly induced in Nonabokra plants even in the absence of salt stress, whereas in IR64, the expression significantly increases only during salt stress. Sequence analysis and nucleosomal arrangement within the region -2000 to +1000 of OsBZ8 gene show no difference between the two rice varieties. However, there was a considerable difference in histone modifications and DNA methylation at the locus between these varieties. In Nonabokra, the upstream region was hyperacetylated at H3K9 and H3K27, and this acetylation did not change during salt stress. However, in IR64, histone acetylation was observed only during salt stress. Moreover, the upstream region of OsBZ8 gene has highly dynamic nucleosome arrangement in Nonabokra, compared to IR64. Furthermore, loss of DNA methylation was observed at OsBZ8 locus in Nonabokra control plants along with low H3K27me3 and high H3K4me3. Control IR64 plants show high DNA methylation and enriched H3K27me3. Collectively these results indicate a significant difference in chromatin modifications between the rice varieties that regulates differential expression of OsBZ8 gene during salt stress.
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