Irreversibility of the cell wall modification acts as a limiting factor in desiccation tolerance of Oryza sativa ssp. Indica cv MR303

Ilias, Iqmal Asyraf; Wagiran, Alina; Azizan, Kamalrul Azlan; Ismail, Ismanizan; Samad, Abdul Fatah A.

doi:10.1016/j.stress.2024.100463

Plant Stress

2024

DOI: 10.1016/j.stress.2024.100463

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Irreversibility of the cell wall modification acts as a limiting factor in desiccation tolerance of Oryza sativa ssp. Indica cv MR303

Iqmal Asyraf Ilias,

Alina Wagiran,

Kamalrul Azlan Azizan

et al.

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Cited by 3 publications

References 59 publications

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Omics-assisted crop improvement under abiotic stress conditions

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Gangurde,

Singh Sandhu

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Plant Stress

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Omics-assisted crop improvement under abiotic stress conditions

Raza,

Gangurde,

Singh Sandhu

et al. 2024

Plant Stress

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Advances in Understanding Drought Stress Responses in Rice: Molecular Mechanisms of ABA Signaling and Breeding Prospects

Ma,

Tang,

Wang

et al. 2024

Genes

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Drought stress is a pivotal environmental factor impacting rice production and presents a significant challenge to sustainable agriculture worldwide. This review synthesizes the latest research advancements in the regulatory mechanisms and signaling pathways that rice employs in response to drought stress. It elaborates on the adaptive changes and molecular regulatory mechanisms that occur in rice under drought conditions. The review highlights the perception and initial transmission of drought signals, key downstream signaling networks such as the MAPK and Ca2+ pathways, and their roles in modulating drought responses. Furthermore, the discussion extends to hormonal signaling, especially the crucial role of abscisic acid (ABA) in drought responses, alongside the identification of drought-resistant genes and the application of gene-editing technologies in enhancing rice drought resilience. Through an in-depth analysis of these drought stress regulatory signaling pathways, this review aims to offer valuable insights and guidance for future rice drought resistance breeding and agricultural production initiatives.

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Cell Wall Profiling of the Resurrection Plants Craterostigma plantagineum and Lindernia brevidens and Their Desiccation-Sensitive Relative, Lindernia subracemosa

Moore,

Kuhlman,

Hansen

et al. 2024

Plants

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Vegetative desiccation tolerance has evolved within the genera Craterostigma and Lindernia. A centre of endemism and diversification for these plants appears to occur in ancient tropical montane rainforests of east Africa in Kenya and Tanzania. Lindernia subracemosa, a desiccation-sensitive relative of Craterostigma plantagineum, occurs in these rainforests and experiences adequate rainfall and thus does not require desiccation tolerance. However, sharing this inselberg habitat, another species, Lindernia brevidens, does retain vegetative desiccation tolerance and is also related to the resurrection plant C. plantagineum found in South Africa. Leaf material was collected from all three species at different stages of hydration: fully hydrated (ca. 90% relative water content), half-dry (ca. 45% relative water content) and fully desiccated (ca. 5% relative water content). Cell wall monosaccharide datasets were collected from all three species. Comprehensive microarray polymer profiling (CoMPP) was performed using ca. 27 plant cell-wall-specific antibodies and carbohydrate-binding module probes. Some differences in pectin, xyloglucan and extension epitopes were observed between the selected species. Overall, cell wall compositions were similar, suggesting that wall modifications in response to vegetative desiccation involve subtle cell wall remodelling that is not reflected by the compositional analysis and that the plants and their walls are constitutively protected against desiccation.

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Irreversibility of the cell wall modification acts as a limiting factor in desiccation tolerance of Oryza sativa ssp. Indica cv MR303

Cited by 3 publications

References 59 publications

Omics-assisted crop improvement under abiotic stress conditions

Omics-assisted crop improvement under abiotic stress conditions

Advances in Understanding Drought Stress Responses in Rice: Molecular Mechanisms of ABA Signaling and Breeding Prospects

Cell Wall Profiling of the Resurrection Plants Craterostigma plantagineum and Lindernia brevidens and Their Desiccation-Sensitive Relative, Lindernia subracemosa

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