Multi-Omics Approaches to Plant Stress: From Genotype to Phenotype

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Molecular Biology".

Deadline for manuscript submissions: closed (30 September 2022) | Viewed by 7341

Special Issue Editors


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Guest Editor
1. INIAV, I.P., National Institute for Agrarian and Veterinary Research, Quinta do Marquês, 2780-159 Oeiras, Portugal
2. MED, Mediterranean Institute for Agriculture, Environment and Development & CHANGE—Global Change and Sustainability Institute, Institute for Advanced Studies and Research, Évora University, Pólo da Mitra, Ap. 94, 7006-554 Évora, Portugal
Interests: in vitro cultures; ionomics; metabolomics; nematode pest management; plant nutrition; plant physiology and biochemistry; sustainable agriculture
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Assistant Guest Editor
Plant Metabolomics Laboratory, Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa (ITQB NOVA), Avenida da República, 2780-157 Oeiras, Portugal
Interests: MS-based metabolomics; forest tree metabolomics; environmental stress responses; biotic stress; bioinformatics

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Guest Editor
MED—Mediterranean Institute for Agriculture, Environment and Development & CHANGE—Global Change and Sustainability Institute, Institute for Advanced Studies and Research, Universidade de Évora, Pólo da Mitra, Ap. 94, 7006-554, Évora, Portugal
Interests: plant protection; nematology; biocontrol; omics; microbe interactions
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Guest Editor
Laboratory of Nematology, Mediterranean Institute for Agriculture, Environment and Development (MED) & CHANGE – Global Change and Sustainability Institute, University of Évora, Polo da Mitra, 7000-083 Évora, Portugal
Interests: plant pathology; plant nematology; molecular basis of plant–nematode parasitic interactions; biology of parasitism proteins (effectors); genomics and transcriptomics
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

High-throughput omics technologies have revolutionized the way science is performed, by generating a large amount of biological data for a broader coverage and better understanding of biological mechanisms. The integration of these -omics technologies (e.g., genomics, transcriptomics, proteomics, metabolomics, lipidomics, ionomics, and redoxomics) is currently in the forefront of plant research. As sessile organisms, plants are constantly challenged by environmental stress conditions and resort to adaptative responses to ensure survival and reproductive success. These environmental stress conditions include abiotic and biotic stress factors that often occur simultaneously in field conditions. A multi-omics approach allows understanding the biochemical mechanisms that underlie plant resistance and response to adverse environmental conditions, from genotype to phenotype. This includes the integration of multi-omics data into biological networks for the identification of stress responsive traits that can be further applied toward plant breeding, and more productive and climate-resilient crop varieties.

This Special Issue is dedicated to 0omics approaches using state-of-the-art high-throughput equipment to explore plant responses to environmental stress conditions. In an environment that is rapidly changing, particularly in the current climate change scenario, manuscripts dedicated to improving our understanding of plant responses to single or combined environmental stress are welcome.

Dr. Jorge M. S. Faria
Dr. Ana M. Rodrigues
Dr. Cláudia S. L. Vicente
Dr. Margarida Espada
Guest Editors

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Keywords

  • Abiotic stress
  • Biotic stress
  • Climate change
  • Data integration
  • Environmental stress
  • Genomics
  • Ionomics
  • Lipidomics
  • Metabolomics
  • Metagenomics
  • Microbiome
  • Proteomics
  • Redoxomics
  • Stress tolerance
  • Transcriptomics

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Published Papers (2 papers)

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15 pages, 2705 KiB  
Article
A Pan-Transcriptome Analysis Indicates Efficient Downregulation of the FIB Genes Plays a Critical Role in the Response of Alfalfa to Cold Stress
by Xueqi Zhang, Huanhuan Yang, Manman Li, Yan Bai, Chao Chen, Donglin Guo, Changhong Guo and Yongjun Shu
Plants 2022, 11(22), 3148; https://doi.org/10.3390/plants11223148 - 17 Nov 2022
Cited by 8 | Viewed by 1729
Abstract
Alfalfa (Medicago sativa L.) is a perennial forage legume that is widely distributed throughout the world, and cold stress is an important environmental factor limiting the growth and production of alfalfa in cold regions. However, little is known of the molecular mechanisms [...] Read more.
Alfalfa (Medicago sativa L.) is a perennial forage legume that is widely distributed throughout the world, and cold stress is an important environmental factor limiting the growth and production of alfalfa in cold regions. However, little is known of the molecular mechanisms regarding cold tolerance in alfalfa. Here, we conducted physiological metabolism assays and pan-transcriptome sequencing on eight cultivars of alfalfa under cold stress conditions. The results of the RNA-seq analysis showed that the genes are “oxidoreductase activity” and “transcription regulator activity”, suggesting that genes with such functions are more likely to play important roles in the response to cold stress by alfalfa. In addition, to identify specific gene modules and hub genes in response to alfalfa cold stress, we applied weighted gene co-expression network (WGCNA) analyses to the RNA-seq data. Our results indicate that the modules of genes that focus on the ATPase complex, ribosome biogenesis, are more likely to be involved in the alfalfa response to cold stress. It is important to note that we identified two fibronectin (FIB) genes as hub genes in alfalfa in response to cold stress and that they negatively regulate alfalfa response to chilling stress, and it is possible that dormant alfalfa is more effective at down-regulating FIB expression and therefore more resistant to cold stress. Full article
(This article belongs to the Special Issue Multi-Omics Approaches to Plant Stress: From Genotype to Phenotype)
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Review

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21 pages, 1503 KiB  
Review
Phytochemicals as Biopesticides against the Pinewood Nematode Bursaphelenchus xylophilus: A Review on Essential Oils and Their Volatiles
by Jorge M. S. Faria, Pedro Barbosa, Paulo Vieira, Cláudia S. L. Vicente, Ana Cristina Figueiredo and Manuel Mota
Plants 2021, 10(12), 2614; https://doi.org/10.3390/plants10122614 - 28 Nov 2021
Cited by 32 | Viewed by 4340
Abstract
The impacts of a rapidly changing environment together with the growth in global trade activities has promoted new plant pest pandemic events in forest ecosystems. The pinewood nematode (PWN), Bursaphelenchus xylophilus, causes strong worldwide economic and ecological impacts. Direct control is performed [...] Read more.
The impacts of a rapidly changing environment together with the growth in global trade activities has promoted new plant pest pandemic events in forest ecosystems. The pinewood nematode (PWN), Bursaphelenchus xylophilus, causes strong worldwide economic and ecological impacts. Direct control is performed through trunk injection of powerful nematicides, however many of these (hemi)synthetic compounds have raised ecological and human health concerns for affecting non-target species and accumulating in food products. As sustainable alternatives, essential oils (EOs) have shown very promising results. In this work, available literature on the direct activity of EOs against PWN is reviewed, as a contribution to advance the search for safer and greener biopesticides to be used in sustainable PWD pest management strategies. For the first time, important parameters concerning the bioassays performed, the PWNs bioassayed, and the EOs used are summarized and comparatively analyzed. Ultimately, an overview of the chemical composition of the most active EOs allowed to uncover preliminary guidelines for anti-PWN EO efficiency. The analysis of important information on the volatile phytochemicals composing nematicidal EOs provides a solid basis to engineer sustainable biopesticides capable of controlling the PWN under an integrated pest management framework and contributes to improved forest health. Full article
(This article belongs to the Special Issue Multi-Omics Approaches to Plant Stress: From Genotype to Phenotype)
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