Gene Regulation Mechanisms in Plants under Abiotic Stress

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Response to Abiotic Stress and Climate Change".

Deadline for manuscript submissions: closed (15 April 2023) | Viewed by 2014

Special Issue Editors


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Guest Editor
Institute of Bioinformatics, University Medicine Greifswald, 17487 Greifswald, Germany
Interests: explainable AI on omics and Image data; integrative multi-omics; single-cell analysis; deep learning

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Guest Editor
CNR IBBR (National Research Council Institute of Bioscience and BioResources, Division of Florence. Polo Scientifico CNR, Via Madonna del Piano, 10 5001 Sesto Fiorentino, FI, Italy
Interests: the analysis of molecular markers for characterization of plant DNA diversity; the identification and the functional analysis of genes involved in powdery mildew; the molecular mechanisms of response to abiotic stresses (drought and high temperatures); the genome editing using the CRISPR/Cas9 technology.

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Guest Editor
Laboratory of Applied Biotechnology and Functional Genomics, Northeast National University, Sgto. Cabral 2131, Corrientes W3402BKG, Argentina
Interests: plant tissue culture; plant biotechnology; plant physiology; plant biology; agricultural biotechnology; plant breeding; abiotic stress tolerance; plant molecular biology; plant environmental stress physiology

Special Issue Information

Dear Colleagues,

The dynamic and partial drastic changes of the environment related to climate change have intensified or even changed abiotic stresses, with massive effects on the growth and development of plants. Rapid responses of the plant cell metabolism and adaptation to gene regulation machinery are key factors for the survival of plants in a fluctuating environment. Especially, holistic and global approaches using omics can help to obtain a deeper understanding of gene regulatory mechanisms at the molecular level. Related to abiotic stressors such as heat and drought or even anthropogenic abiotic stressors such as microgravity, plants have to overcome dynamically changing environmental conditions based on their sessile lifestyle. In addition to the importance of specific single-level regulatory mechanisms, multilevel regulation responses and their interconnection are especially important to obtain insights into differing gene regulation related to stress regimes. This can lead to cross-stress tolerance or be used for the priming of plants. The integration of multi-omics approaches helps to identify high dimensional biomarker patterns on a genome-wide scale. Based on such datasets, signaling and regulatory networks can be created, leading to key player identification in specific abiotic stressors as well as general stress responses. Furthermore, single omics analyses are useful to understand adaptation of the plant at a spatial and temporal level.

Prof. Dr. Stefan Simm
Dr. Paolo Iovieno
Dr. Pedro Alfonso Sansberro
Guest Editors

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Keywords

  • integrative omics
  • multi-omics
  • abiotic stress in plants
  • ncRNA regulation
  • gene regulatory mechanisms

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Published Papers (1 paper)

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Research

24 pages, 3569 KiB  
Article
Integrating Transcriptional, Metabolic, and Physiological Responses to Drought Stress in Ilex paraguariensis Roots
by Edgardo H. Avico, Raúl M. Acevedo, María J. Duarte, Acácio Rodrigues Salvador, Adriano Nunes-Nesi, Oscar A. Ruiz and Pedro A. Sansberro
Plants 2023, 12(13), 2404; https://doi.org/10.3390/plants12132404 - 21 Jun 2023
Cited by 2 | Viewed by 1517
Abstract
The appearance of water stress episodes triggers leaf abscission and decreases Ilex paraguariensis yield. To explore the mechanisms that allow it to overcome dehydration, we investigated how the root gene expression varied between water-stressed and non-stressed plants and how the modulation of gene [...] Read more.
The appearance of water stress episodes triggers leaf abscission and decreases Ilex paraguariensis yield. To explore the mechanisms that allow it to overcome dehydration, we investigated how the root gene expression varied between water-stressed and non-stressed plants and how the modulation of gene expression was linked to metabolite composition and physiological status. After water deprivation, 5160 differentially expressed transcripts were obtained through RNA-seq. The functional enrichment of induced transcripts revealed significant transcriptional remodelling of stress-related perception, signalling, transcription, and metabolism. Simultaneously, the induction of the enzyme 9-cis-expoxycarotenoid dioxygenase (NCED) transcripts reflected the central role of the hormone abscisic acid in this response. Consequently, the total content of amino acids and soluble sugars increased, and that of starch decreased. Likewise, osmotic adjustment and radical growth were significantly promoted to preserve cell membranes and water uptake. This study provides a valuable resource for future research to understand the molecular adaptation of I. paraguariensis plants under drought conditions and facilitates the exploration of drought-tolerant candidate genes. Full article
(This article belongs to the Special Issue Gene Regulation Mechanisms in Plants under Abiotic Stress)
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