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Duan X, Xu Y, Liu Y, Xu X, Wen L, Fang J, Yu Y. Iron transporter1 OsIRT1 positively regulates saline-alkaline stress tolerance in Oryza sativa. JOURNAL OF PLANT PHYSIOLOGY 2024; 299:154272. [PMID: 38772322 DOI: 10.1016/j.jplph.2024.154272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Revised: 05/13/2024] [Accepted: 05/15/2024] [Indexed: 05/23/2024]
Abstract
Soil salinization-alkalization severely affects plant growth and crop yield worldwide, especially in the Songnen Plain of Northeast China. Saline-alkaline stress increases the pH around the plant roots, thereby limiting the absorption and transportation of nutrients and ions, such as iron (Fe). Fe is an essential micronutrient that plays important roles in many metabolic processes during plant growth and development, and it is acquired by the root cells via iron-regulated transporter1 (IRT1). However, the function of Oryza sativa IRT1 (OsIRT1) under soda saline-alkaline stress remains unknown. Therefore, in this study, we generated OsIRT1 mutant lines and OsIRT1-overexpressing lines in the background of the O. sativa Songjing2 cultivar to investigate the roles of OsIRT1 under soda saline-alkaline stress. The OsIRT1-overexpressing lines exhibited higher tolerance to saline-alkaline stress compared to the mutant lines during germination and seedling stages. Moreover, the expression of some saline-alkaline stress-related genes and Fe uptake and transport-related genes were altered. Furthermore, Fe and Zn contents were upregulated in the OsIRT1-overexpressing lines under saline-alkaline stress. Further analysis revealed that Fe and Zn supplementation increased the tolerance of O. sativa seedlings to saline-alkaline stress. Altogether, our results indicate that OsIRT1 plays a significant role in O. sativa by repairing the saline-alkaline stress-induced damage. Our findings provide novel insights into the role of OsIRT1 in O. sativa under soda saline-alkaline stress and suggest that OsIRT1 can serve as a potential target gene for the development of saline-alkaline stress-tolerant O. sativa plants.
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Affiliation(s)
- Xiangbo Duan
- College of Life Science and Engineering, Shenyang University, Shenyang, 110044, China
| | - Yanang Xu
- College of Life Science and Engineering, Shenyang University, Shenyang, 110044, China
| | - Yimei Liu
- Northeast Institute of Geography and Agroecology, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Harbin, 150081, China
| | - Xingjian Xu
- Institute of Agricultural and Animal Husbandry of Hinggan League, Inner Mongolia Key Laboratory of Rice Breeding Innovation in Northern Cold Regions, Ulanhot, 137400, China
| | - Li Wen
- Institute of Agricultural and Animal Husbandry of Hinggan League, Inner Mongolia Key Laboratory of Rice Breeding Innovation in Northern Cold Regions, Ulanhot, 137400, China
| | - Jun Fang
- Northeast Institute of Geography and Agroecology, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Harbin, 150081, China; Northern Rice Research Center of Bao Qing, Shuangyashan, 155600, China.
| | - Yang Yu
- College of Life Science and Engineering, Shenyang University, Shenyang, 110044, China.
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Jaiswal M, Kumar S. smAMPsTK: a toolkit to unravel the smORFome encoding AMPs of plant species. J Biomol Struct Dyn 2024; 42:6600-6612. [PMID: 37464885 DOI: 10.1080/07391102.2023.2235605] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Accepted: 07/06/2023] [Indexed: 07/20/2023]
Abstract
The pervasive repertoire of plant molecules with the potential to serve as a substitute for conventional antibiotics has led to obtaining better insights into plant-derived antimicrobial peptides (AMPs). The massive distribution of Small Open Reading Frames (smORFs) throughout eukaryotic genomes with proven extensive biological functions reflects their practicality as antimicrobials. Here, we have developed a pipeline named smAMPsTK to unveil the underlying hidden smORFs encoding AMPs for plant species. By applying this pipeline, we have elicited AMPs of various functional activity of lengths ranging from 5 to 100 aa by employing publicly available transcriptome data of five different angiosperms. Later, we studied the coding potential of AMPs-smORFs, the inclusion of diverse translation initiation start codons, and amino acid frequency. Codon usage study signifies no such codon usage biases for smORFs encoding AMPs. Majorly three start codons are prominent in generating AMPs. The evolutionary and conservational study proclaimed the widespread distribution of AMPs encoding genes throughout the plant kingdom. Domain analysis revealed that nearly all AMPs have chitin-binding ability, establishing their role as antifungal agents. The current study includes a developed methodology to characterize smORFs encoding AMPs, and their implications as antimicrobial, antibacterial, antifungal, or antiviral provided by SVM score and prediction status calculated by machine learning-based prediction models. The pipeline, complete package, and the results derived for five angiosperms are freely available at https://github.com/skbinfo/smAMPsTK.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Mohini Jaiswal
- Bioinformatics Laboratory, National Institute of Plant Genome Research (NIPGR), Aruna Asaf Ali Marg, New Delhi, India
| | - Shailesh Kumar
- Bioinformatics Laboratory, National Institute of Plant Genome Research (NIPGR), Aruna Asaf Ali Marg, New Delhi, India
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Réthoré E, Pelletier S, Balliau T, Zivy M, Avelange-Macherel MH, Macherel D. Multi-scale analysis of heat stress acclimation in Arabidopsis seedlings highlights the primordial contribution of energy-transducing organelles. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2024; 119:300-331. [PMID: 38613336 DOI: 10.1111/tpj.16763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 03/08/2024] [Accepted: 03/14/2024] [Indexed: 04/14/2024]
Abstract
Much progress has been made in understanding the molecular mechanisms of plant adaptation to heat stress. However, the great diversity of models and stress conditions, and the fact that analyses are often limited to a small number of approaches, complicate the picture. We took advantage of a liquid culture system in which Arabidopsis seedlings are arrested in their development, thus avoiding interference with development and drought stress responses, to investigate through an integrative approach seedlings' global response to heat stress and acclimation. Seedlings perfectly tolerate a noxious heat shock (43°C) when subjected to a heat priming treatment at a lower temperature (38°C) the day before, displaying a thermotolerance comparable to that previously observed for Arabidopsis. A major effect of the pre-treatment was to partially protect energy metabolism under heat shock and favor its subsequent rapid recovery, which was correlated with the survival of seedlings. Rapid recovery of actin cytoskeleton and mitochondrial dynamics were another landmark of heat shock tolerance. The omics confirmed the role of the ubiquitous heat shock response actors but also revealed specific or overlapping responses to priming, heat shock, and their combination. Since only a few components or functions of chloroplast and mitochondria were highlighted in these analyses, the preservation and rapid recovery of their bioenergetic roles upon acute heat stress do not require extensive remodeling of the organelles. Protection of these organelles is rather integrated into the overall heat shock response, thus allowing them to provide the energy required to elaborate other cellular responses toward acclimation.
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Affiliation(s)
- Elise Réthoré
- Univ Angers, Institut Agro Rennes-Angers, INRAE, IRHS-UMR 1345, F-49000, Angers, France
| | - Sandra Pelletier
- Univ Angers, Institut Agro Rennes-Angers, INRAE, IRHS-UMR 1345, F-49000, Angers, France
| | - Thierry Balliau
- INRAE, PAPPSO, UMR/UMR Génétique Végétale, Gif sur Yvette, France
| | - Michel Zivy
- INRAE, PAPPSO, UMR/UMR Génétique Végétale, Gif sur Yvette, France
| | | | - David Macherel
- Univ Angers, Institut Agro Rennes-Angers, INRAE, IRHS-UMR 1345, F-49000, Angers, France
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Erokhina TN, Ryazantsev DY, Zavriev SK, Morozov SY. Biological Activity of Artificial Plant Peptides Corresponding to the Translational Products of Small ORFs in Primary miRNAs and Other Long "Non-Coding" RNAs. PLANTS (BASEL, SWITZERLAND) 2024; 13:1137. [PMID: 38674546 PMCID: PMC11055055 DOI: 10.3390/plants13081137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Revised: 04/04/2024] [Accepted: 04/18/2024] [Indexed: 04/28/2024]
Abstract
Generally, lncPEPs (peptides encoded by long non-coding RNAs) have been identified in many plant species of several families and in some animal species. Importantly, molecular mechanisms of the miPEPs (peptides encoded by primary microRNAs, pri-miRNAs) are often poorly understood in different flowering plants. Requirement for the additional studies in these directions is highlighted by alternative findings concerning positive regulation of pri-miRNA/miRNA expression by synthetic miPEPs in plants. Further extensive studies are also needed to understand the full set of their roles in eukaryotic organisms. This review mainly aims to consider the available data on the regulatory functions of the synthetic miPEPs. Studies of chemically synthesized miPEPs and analyzing the fine molecular mechanisms of their functional activities are reviewed. Brief description of the studies to identify lncORFs (open reading frames of long non-coding RNAs) and the encoded protein products is also provided.
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Affiliation(s)
- T. N. Erokhina
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, 117997 Moscow, Russia (S.K.Z.)
| | - D. Y. Ryazantsev
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, 117997 Moscow, Russia (S.K.Z.)
| | - S. K. Zavriev
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, 117997 Moscow, Russia (S.K.Z.)
| | - S. Y. Morozov
- Biological Faculty, Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, 119991 Moscow, Russia
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Qanmber G, You Q, Yang Z, Fan L, Zhang Z, Chai M, Gao B, Li F, Yang Z. Transcriptional and translational landscape fine-tune genome annotation and explores translation control in cotton. J Adv Res 2024; 58:13-30. [PMID: 37207930 PMCID: PMC10982868 DOI: 10.1016/j.jare.2023.05.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2023] [Revised: 05/10/2023] [Accepted: 05/12/2023] [Indexed: 05/21/2023] Open
Abstract
INTRODUCTION The unavailability of intergenic region annotation in whole genome sequencing and pan-genomics hinders efforts to enhance crop improvement. OBJECTIVES Despite advances in research, the impact of post-transcriptional regulation on fiber development and translatome profiling at different stages of fiber growth in cotton (G. hirsutum) remains unexplored. METHODS We utilized a combination of reference-guided de novo transcriptome assembly and ribosome profiling techniques to uncover the hidden mechanisms of translational control in eight distinct tissues of upland cotton. RESULTS Our study identified P-site distribution at three-nucleotide periodicity and dominant ribosome footprint at 27 nucleotides. Specifically, we have detected 1,589 small open reading frames (sORFs), including 1,376 upstream ORFs (uORFs) and 213 downstream ORFs (dORFs), as well as 552 long non-coding RNAs (lncRNAs) with potential coding functions, which fine-tune the annotation of the cotton genome. Further, we have identified novel genes and lncRNAs with strong translation efficiency (TE), while sORFs were found to affect mRNA transcription levels during fiber elongation. The reliability of these findings was confirmed by the high consistency in correlation and synergetic fold change between RNA-sequencing (RNA-seq) and Ribosome-sequencing (Ribo-seq) analyses. Additionally, integrated omics analysis of the normal fiber ZM24 and short fiber pag1 cotton mutant revealed several differentially expressed genes (DEGs), and fiber-specific expressed (high/low) genes associated with sORFs (uORFs and dORFs). These findings were further supported by the overexpression and knockdown of GhKCS6, a gene associated with sORFs in cotton, and demonstrated the potential regulation of the mechanism governing fiber elongation on both the transcriptional and post-transcriptional levels. CONCLUSION Reference-guided transcriptome assembly and the identification of novel transcripts fine-tune the annotation of the cotton genome and predicted the landscape of fiber development. Our approach provided a high-throughput method, based on multi-omics, for discovering unannotated ORFs, hidden translational control, and complex regulatory mechanisms in crop plants.
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Affiliation(s)
- Ghulam Qanmber
- Zhengzhou Research Base, National Key Laboratory of Cotton Bio‑breeding and Integrated Utilization, School of Agricultural Sciences, Zhengzhou University, Zhengzhou 450001, Henan, China; National Key Laboratory of Cotton Bio‑breeding and Integrated Utilization, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, Henan, China
| | - Qi You
- Key Laboratory of Plant Functional Genomics of the Ministry of Education/Jiangsu Key Laboratory of Crop Genomics and Molecular Breeding/Co-Innovation Center for Modern Production Technology of Grain Crops, College of Agriculture, Yangzhou University, Yangzhou 225009, China
| | - Zhaoen Yang
- Zhengzhou Research Base, National Key Laboratory of Cotton Bio‑breeding and Integrated Utilization, School of Agricultural Sciences, Zhengzhou University, Zhengzhou 450001, Henan, China; National Key Laboratory of Cotton Bio‑breeding and Integrated Utilization, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, Henan, China
| | - Liqiang Fan
- National Key Laboratory of Cotton Bio‑breeding and Integrated Utilization, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, Henan, China
| | - Zhibin Zhang
- National Key Laboratory of Cotton Bio‑breeding and Integrated Utilization, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, Henan, China
| | - Mao Chai
- National Key Laboratory of Cotton Bio‑breeding and Integrated Utilization, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, Henan, China
| | - Baibai Gao
- Zhengzhou Research Base, National Key Laboratory of Cotton Bio‑breeding and Integrated Utilization, School of Agricultural Sciences, Zhengzhou University, Zhengzhou 450001, Henan, China
| | - Fuguang Li
- Zhengzhou Research Base, National Key Laboratory of Cotton Bio‑breeding and Integrated Utilization, School of Agricultural Sciences, Zhengzhou University, Zhengzhou 450001, Henan, China; National Key Laboratory of Cotton Bio‑breeding and Integrated Utilization, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, Henan, China.
| | - Zuoren Yang
- Zhengzhou Research Base, National Key Laboratory of Cotton Bio‑breeding and Integrated Utilization, School of Agricultural Sciences, Zhengzhou University, Zhengzhou 450001, Henan, China; National Key Laboratory of Cotton Bio‑breeding and Integrated Utilization, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, Henan, China.
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Coppola M, Mach L, Gallois P. Plant cathepsin B, a versatile protease. FRONTIERS IN PLANT SCIENCE 2024; 15:1305855. [PMID: 38463572 PMCID: PMC10920296 DOI: 10.3389/fpls.2024.1305855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Accepted: 01/19/2024] [Indexed: 03/12/2024]
Abstract
Plant proteases are essential enzymes that play key roles during crucial phases of plant life. Some proteases are mainly involved in general protein turnover and recycle amino acids for protein synthesis. Other proteases are involved in cell signalling, cleave specific substrates and are key players during important genetically controlled molecular processes. Cathepsin B is a cysteine protease that can do both because of its exopeptidase and endopeptidase activities. Animal cathepsin B has been investigated for many years, and much is known about its mode of action and substrate preferences, but much remains to be discovered about this potent protease in plants. Cathepsin B is involved in plant development, germination, senescence, microspore embryogenesis, pathogen defence and responses to abiotic stress, including programmed cell death. This review discusses the structural features, the activity of the enzyme and the differences between the plant and animal forms. We discuss its maturation and subcellular localisation and provide a detailed overview of the involvement of cathepsin B in important plant life processes. A greater understanding of the cell signalling processes involving cathepsin B is needed for applied discoveries in plant biotechnology.
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Affiliation(s)
- Marianna Coppola
- Faculty of Biology, Medicine and Health, University of Manchester, Manchester, United Kingdom
| | - Lukas Mach
- Department of Applied Genetics and Cell Biology, University of Natural Resources and Life Sciences, Vienna, Austria
| | - Patrick Gallois
- Faculty of Biology, Medicine and Health, University of Manchester, Manchester, United Kingdom
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Herbst J, Nagy SH, Vercauteren I, De Veylder L, Kunze R. The long non-coding RNA LINDA restrains cellular collapse following DNA damage in Arabidopsis thaliana. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2023; 116:1370-1384. [PMID: 37616189 DOI: 10.1111/tpj.16431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 08/04/2023] [Accepted: 08/12/2023] [Indexed: 08/26/2023]
Abstract
The genomic integrity of every organism is endangered by various intrinsic and extrinsic stresses. To maintain genomic integrity, a sophisticated DNA damage response (DDR) network is activated rapidly after DNA damage. Notably, the fundamental DDR mechanisms are conserved in eukaryotes. However, knowledge about many regulatory aspects of the plant DDR is still limited. Important, yet little understood, regulatory factors of the DDR are the long non-coding RNAs (lncRNAs). In humans, 13 lncRNAs functioning in DDR have been characterized to date, whereas no such lncRNAs have been characterized in plants yet. By meta-analysis, we identified the putative long intergenic non-coding RNA induced by DNA damage (LINDA) that responds strongly to various DNA double-strand break-inducing treatments, but not to replication stress induced by mitomycin C. After DNA damage, LINDA is rapidly induced in an ATM- and SOG1-dependent manner. Intriguingly, the transcriptional response of LINDA to DNA damage is similar to that of its flanking hypothetical protein-encoding gene. Phylogenetic analysis of putative Brassicales and Malvales LINDA homologs indicates that LINDA lncRNAs originate from duplication of a flanking small protein-encoding gene followed by pseudogenization. We demonstrate that LINDA is not only needed for the regulation of this flanking gene but also fine-tuning of the DDR after the occurrence of DNA double-strand breaks. Moreover, Δlinda mutant root stem cells are unable to recover from DNA damage, most likely due to hyper-induced cell death.
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Affiliation(s)
- Josephine Herbst
- Department of Biology, Chemistry and Pharmacy, Molecular Genetics of Plants, Institute of Biology, Freie Universität Berlin, Berlin, D-14195, Germany
- Department of Plant Biotechnology and Bioinformatics, Ghent University, Ghent, B-9052, Belgium
- Center for Plant Systems Biology, VIB, Ghent, B-9052, Belgium
| | - Solveig Henriette Nagy
- Department of Biology, Chemistry and Pharmacy, Molecular Genetics of Plants, Institute of Biology, Freie Universität Berlin, Berlin, D-14195, Germany
| | - Ilse Vercauteren
- Department of Plant Biotechnology and Bioinformatics, Ghent University, Ghent, B-9052, Belgium
- Center for Plant Systems Biology, VIB, Ghent, B-9052, Belgium
| | - Lieven De Veylder
- Department of Plant Biotechnology and Bioinformatics, Ghent University, Ghent, B-9052, Belgium
- Center for Plant Systems Biology, VIB, Ghent, B-9052, Belgium
| | - Reinhard Kunze
- Department of Biology, Chemistry and Pharmacy, Molecular Genetics of Plants, Institute of Biology, Freie Universität Berlin, Berlin, D-14195, Germany
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Fan KT, Hsu CW, Chen YR. Mass spectrometry in the discovery of peptides involved in intercellular communication: From targeted to untargeted peptidomics approaches. MASS SPECTROMETRY REVIEWS 2023; 42:2404-2425. [PMID: 35765846 DOI: 10.1002/mas.21789] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 03/17/2022] [Accepted: 04/08/2022] [Indexed: 06/15/2023]
Abstract
Endogenous peptide hormones represent an essential class of biomolecules, which regulate cell-cell communications in diverse physiological processes of organisms. Mass spectrometry (MS) has been developed to be a powerful technology for identifying and quantifying peptides in a highly efficient manner. However, it is difficult to directly identify these peptide hormones due to their diverse characteristics, dynamic regulations, low abundance, and existence in a complicated biological matrix. Here, we summarize and discuss the roles of targeted and untargeted MS in discovering peptide hormones using bioassay-guided purification, bioinformatics screening, or the peptidomics-based approach. Although the peptidomics approach is expected to discover novel peptide hormones unbiasedly, only a limited number of successful cases have been reported. The critical challenges and corresponding measures for peptidomics from the steps of sample preparation, peptide extraction, and separation to the MS data acquisition and analysis are also discussed. We also identify emerging technologies and methods that can be integrated into the discovery platform toward the comprehensive study of endogenous peptide hormones.
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Affiliation(s)
- Kai-Ting Fan
- Agricultural Biotechnology Research Center, Academia Sinica, Taipei, Taiwan
| | - Chia-Wei Hsu
- Agricultural Biotechnology Research Center, Academia Sinica, Taipei, Taiwan
| | - Yet-Ran Chen
- Agricultural Biotechnology Research Center, Academia Sinica, Taipei, Taiwan
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Rehman S, Ahmad Z, Ramakrishnan M, Kalendar R, Zhuge Q. Regulation of plant epigenetic memory in response to cold and heat stress: towards climate resilient agriculture. Funct Integr Genomics 2023; 23:298. [PMID: 37700098 DOI: 10.1007/s10142-023-01219-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2023] [Revised: 08/18/2023] [Accepted: 08/23/2023] [Indexed: 09/14/2023]
Abstract
Plants have evolved to adapt and grow in hot and cold climatic conditions. Some also adapt to daily and seasonal temperature changes. Epigenetic modifications play an important role in regulating plant tolerance under such conditions. DNA methylation and post-translational modifications of histone proteins influence gene expression during plant developmental stages and under stress conditions, including cold and heat stress. While short-term modifications are common, some modifications may persist and result in stress memory that can be inherited by subsequent generations. Understanding the mechanisms of epigenomes responding to stress and the factors that trigger stress memory is crucial for developing climate-resilient agriculture, but such an integrated view is currently limited. This review focuses on the plant epigenetic stress memory during cold and heat stress. It also discusses the potential of machine learning to modify stress memory through epigenetics to develop climate-resilient crops.
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Affiliation(s)
- Shamsur Rehman
- Co-Innovation Center for Sustainable Forestry in Southern China, Key Laboratory of Forest Genetics and Biotechnology, College of Biology and the Environment, Nanjing Forestry University, Ministry of Education, Nanjing, China
| | - Zishan Ahmad
- Co-Innovation Center for Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing, 210037, China
- Bamboo Research Institute, Nanjing Forestry University, Nanjing, 210037, China
| | - Muthusamy Ramakrishnan
- Co-Innovation Center for Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing, 210037, China
- Bamboo Research Institute, Nanjing Forestry University, Nanjing, 210037, China
| | - Ruslan Kalendar
- Helsinki Institute of Life Science HiLIFE, Biocenter 3, Viikinkaari 1, FI-00014 University of Helsinki, Helsinki, Finland.
- Center for Life Sciences, National Laboratory Astana, Nazarbayev University, Astana, Kazakhstan.
| | - Qiang Zhuge
- Co-Innovation Center for Sustainable Forestry in Southern China, Key Laboratory of Forest Genetics and Biotechnology, College of Biology and the Environment, Nanjing Forestry University, Ministry of Education, Nanjing, China.
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Koenig M, Moser D, Leusner J, Depotter JRL, Doehlemann G, Misas Villamil J. Maize Phytocytokines Modulate Pro-Survival Host Responses and Pathogen Resistance. MOLECULAR PLANT-MICROBE INTERACTIONS : MPMI 2023; 36:592-604. [PMID: 37102770 DOI: 10.1094/mpmi-01-23-0005-r] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
Phytocytokines are signaling peptides that alert plant cells of danger. However, the downstream responses triggered by phytocytokines and their effect on plant survival are still largely unknown. Here, we have identified three biologically active maize orthologues of phytocytokines previously described in other plants. The maize phytocytokines show common features with microbe-associated molecular patterns (MAMPs), including the induction of immune-related genes and activation of papain-like cysteine proteases. In contrast to MAMPs, phytocytokines do not promote cell death in the presence of wounding. In infection assays with two fungal pathogens, we found that phytocytokines affect the development of disease symptoms, likely due to the activation of phytohormonal pathways. Collectively, our results show that phytocytokines and MAMPs trigger unique and antagonistic features of immunity. We propose a model in which phytocytokines activate immune responses partially similar to MAMPs but, in contrast to microbial signals, they act as danger and survival molecules to the surrounding cells. Future studies will focus on the components determining the divergence of signaling outputs upon phytocytokine activation. [Formula: see text] Copyright © 2023 The Author(s). This is an open access article distributed under the CC BY-NC-ND 4.0 International license.
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Affiliation(s)
- Maurice Koenig
- Institute for Plant Sciences, University of Cologne, Cologne, Germany
| | - Daniel Moser
- Institute for Plant Sciences, University of Cologne, Cologne, Germany
- Cluster of Excellence on Plant Sciences (CEPLAS), University of Cologne, Cologne, Germany
| | - Julian Leusner
- Institute for Plant Sciences, University of Cologne, Cologne, Germany
| | | | - Gunther Doehlemann
- Institute for Plant Sciences, University of Cologne, Cologne, Germany
- Cluster of Excellence on Plant Sciences (CEPLAS), University of Cologne, Cologne, Germany
| | - Johana Misas Villamil
- Institute for Plant Sciences, University of Cologne, Cologne, Germany
- Cluster of Excellence on Plant Sciences (CEPLAS), University of Cologne, Cologne, Germany
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Wang Z, Cui Q, Su C, Zhao S, Wang R, Wang Z, Meng J, Luan Y. Unveiling the secrets of non-coding RNA-encoded peptides in plants: A comprehensive review of mining methods and research progress. Int J Biol Macromol 2023:124952. [PMID: 37257526 DOI: 10.1016/j.ijbiomac.2023.124952] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Revised: 05/15/2023] [Accepted: 05/16/2023] [Indexed: 06/02/2023]
Abstract
Non-coding RNAs (ncRNAs) are not conventionally involved in protein encoding. However, recent findings indicate that ncRNAs possess the capacity to code for proteins or peptides. These ncRNA-encoded peptides (ncPEPs) are vital for diverse plant life processes and exhibit significant potential value. Despite their importance, research on plant ncPEPs is limited, with only a few studies conducted and less information on the underlying mechanisms, and the field remains in its nascent stage. This manuscript provides a comprehensive overview of ncPEPs mining methods in plants, focusing on prediction, identification, and functional analysis. We discuss the strengths and weaknesses of various techniques, identify future research directions in the ncPEPs domain, and elucidate the biological functions and agricultural application prospects of plant ncPEPs. By highlighting the immense potential and research value of ncPEPs, we aim to lay a solid foundation for more in-depth studies in plant science.
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Affiliation(s)
- Zhengjie Wang
- School of Bioengineering, Dalian University of Technology, Dalian 116024, China
| | - Qi Cui
- School of Bioengineering, Dalian University of Technology, Dalian 116024, China
| | - Chenglin Su
- School of Bioengineering, Dalian University of Technology, Dalian 116024, China
| | - Siyuan Zhao
- School of Computer Science and Technology, Dalian University of Technology, Dalian 116024, China
| | - Ruiming Wang
- School of Bioengineering, Dalian University of Technology, Dalian 116024, China
| | - Zhicheng Wang
- School of Bioengineering, Dalian University of Technology, Dalian 116024, China
| | - Jun Meng
- School of Computer Science and Technology, Dalian University of Technology, Dalian 116024, China
| | - Yushi Luan
- School of Bioengineering, Dalian University of Technology, Dalian 116024, China.
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Manzari Tavakoli G, Mirzapour MH, Razi S, Rezaei N. Targeting ferroptosis as a cell death pathway in Melanoma: From molecular mechanisms to skin cancer treatment. Int Immunopharmacol 2023; 119:110215. [PMID: 37094541 DOI: 10.1016/j.intimp.2023.110215] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 03/30/2023] [Accepted: 04/17/2023] [Indexed: 04/26/2023]
Abstract
Melanoma, the most aggressive form of human skin cancer, has been under investigation to reach the most efficient treatment. Surgical resection for early-diagnosed primary melanoma, targeted therapies, and immune checkpoint inhibitors for advanced/metastatic melanoma is the best clinical approach. Ferroptosis, a newly identified iron-dependent cell death pathway, which is morphologically and biochemically different from apoptosis and necrosis, has been reported to be involved in several cancers. Ferroptosis inducers could provide therapeutic options in case of resistance to conventional therapies for advanced/metastatic melanoma. Recently developed ferroptosis inducers, MEK and BRAF inhibitors, miRNAs such as miR-137 and miR-9, and novel strategies for targeting major histocompatibility complex (MHC) class II in melanoma can provide new opportunities for melanoma treatment. Combining ferroptosis inducers with targeted therapies or immune checkpoint inhibitors increases patient response rates. Here we review the mechanisms of ferroptosis and its environmental triggers. We also discuss the pathogenesis and current treatments of melanoma. Moreover, we aim to elucidate the relationship between ferroptosis and melanoma and ferroptosis implications to develop new therapeutic strategies against melanoma.
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Affiliation(s)
- Gita Manzari Tavakoli
- Department of Medicine, Tehran University of Medical Sciences (TUMS), Tehran, Iran; Cancer Immunology Project (CIP), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Mohammad Hossein Mirzapour
- Cancer Immunology Project (CIP), Universal Scientific Education and Research Network (USERN), Tehran, Iran; School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Sepideh Razi
- Cancer Immunology Project (CIP), Universal Scientific Education and Research Network (USERN), Tehran, Iran; School of Medicine, Iran University of Medical Sciences, Tehran, Iran; Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Nima Rezaei
- Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran; Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran; Cancer Immunology Project (CIP), Universal Scientific Education and Research Network (USERN), Stockholm, Sweden.
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13
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Rieu P, Turchi L, Thévenon E, Zarkadas E, Nanao M, Chahtane H, Tichtinsky G, Lucas J, Blanc-Mathieu R, Zubieta C, Schoehn G, Parcy F. The F-box protein UFO controls flower development by redirecting the master transcription factor LEAFY to new cis-elements. NATURE PLANTS 2023; 9:315-329. [PMID: 36732360 DOI: 10.1038/s41477-022-01336-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Accepted: 12/20/2022] [Indexed: 06/18/2023]
Abstract
In angiosperms, flower development requires the combined action of the transcription factor LEAFY (LFY) and the ubiquitin ligase adaptor F-box protein, UNUSUAL FLORAL ORGANS (UFO), but the molecular mechanism underlying this synergy has remained unknown. Here we show in transient assays and stable transgenic plants that the connection to ubiquitination pathways suggested by the UFO F-box domain is mostly dispensable. On the basis of biochemical and genome-wide studies, we establish that UFO instead acts by forming an active transcriptional complex with LFY at newly discovered regulatory elements. Structural characterization of the LFY-UFO-DNA complex by cryo-electron microscopy further demonstrates that UFO performs this function by directly interacting with both LFY and DNA. Finally, we propose that this complex might have a deep evolutionary origin, largely predating flowering plants. This work reveals a unique mechanism of an F-box protein directly modulating the DNA binding specificity of a master transcription factor.
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Affiliation(s)
- Philippe Rieu
- Laboratoire Physiologie Cellulaire et Végétale, IRIG-DBSCI-LPCV, Université Grenoble Alpes, CEA, CNRS, INRAE, Grenoble, France
| | - Laura Turchi
- Laboratoire Physiologie Cellulaire et Végétale, IRIG-DBSCI-LPCV, Université Grenoble Alpes, CEA, CNRS, INRAE, Grenoble, France
- Translational Innovation in Medicine and Complexity, Université Grenoble Alpes, CNRS, Grenoble, France
| | - Emmanuel Thévenon
- Laboratoire Physiologie Cellulaire et Végétale, IRIG-DBSCI-LPCV, Université Grenoble Alpes, CEA, CNRS, INRAE, Grenoble, France
| | - Eleftherios Zarkadas
- IBS, Université Grenoble Alpes, CNRS, CEA, Grenoble, France
- EMBL, ISBG, Université Grenoble Alpes, CNRS, CEA, Grenoble, France
| | - Max Nanao
- Structural Biology Group, European Synchrotron Radiation Facility, Grenoble, France
| | - Hicham Chahtane
- Laboratoire Physiologie Cellulaire et Végétale, IRIG-DBSCI-LPCV, Université Grenoble Alpes, CEA, CNRS, INRAE, Grenoble, France
- Green Mission Pierre Fabre, Conservatoire Botanique Pierre Fabre, Institut de Recherche Pierre Fabre, Soual, France
| | - Gabrielle Tichtinsky
- Laboratoire Physiologie Cellulaire et Végétale, IRIG-DBSCI-LPCV, Université Grenoble Alpes, CEA, CNRS, INRAE, Grenoble, France
| | - Jérémy Lucas
- Laboratoire Physiologie Cellulaire et Végétale, IRIG-DBSCI-LPCV, Université Grenoble Alpes, CEA, CNRS, INRAE, Grenoble, France
| | - Romain Blanc-Mathieu
- Laboratoire Physiologie Cellulaire et Végétale, IRIG-DBSCI-LPCV, Université Grenoble Alpes, CEA, CNRS, INRAE, Grenoble, France
| | - Chloe Zubieta
- Laboratoire Physiologie Cellulaire et Végétale, IRIG-DBSCI-LPCV, Université Grenoble Alpes, CEA, CNRS, INRAE, Grenoble, France
| | - Guy Schoehn
- IBS, Université Grenoble Alpes, CNRS, CEA, Grenoble, France
| | - François Parcy
- Laboratoire Physiologie Cellulaire et Végétale, IRIG-DBSCI-LPCV, Université Grenoble Alpes, CEA, CNRS, INRAE, Grenoble, France.
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14
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Aguilera A, Distéfano A, Jauzein C, Correa-Aragunde N, Martinez D, Martin MV, Sueldo DJ. Do photosynthetic cells communicate with each other during cell death? From cyanobacteria to vascular plants. JOURNAL OF EXPERIMENTAL BOTANY 2022; 73:7219-7242. [PMID: 36179088 DOI: 10.1093/jxb/erac363] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2022] [Accepted: 09/15/2022] [Indexed: 06/16/2023]
Abstract
As in metazoans, life in oxygenic photosynthetic organisms relies on the accurate regulation of cell death. During development and in response to the environment, photosynthetic cells activate and execute cell death pathways that culminate in the death of a specific group of cells, a process known as regulated cell death (RCD). RCD control is instrumental, as its misregulation can lead to growth penalties and even the death of the entire organism. Intracellular molecules released during cell demise may act as 'survival' or 'death' signals and control the propagation of cell death to surrounding cells, even in unicellular organisms. This review explores different signals involved in cell-cell communication and systemic signalling in photosynthetic organisms, in particular Ca2+, reactive oxygen species, lipid derivates, nitric oxide, and eATP. We discuss their possible mode-of-action as either 'survival' or 'death' molecules and their potential role in determining cell fate in neighbouring cells. By comparing the knowledge available across the taxonomic spectrum of this coherent phylogenetic group, from cyanobacteria to vascular plants, we aim at contributing to the identification of conserved mechanisms that control cell death propagation in oxygenic photosynthetic organisms.
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Affiliation(s)
- Anabella Aguilera
- Centre for Ecology and Evolution in Microbial Model Systems (EEMiS), Linnaeus University, 39231 Kalmar, Sweden
| | - Ayelén Distéfano
- Instituto de Investigaciones Biológicas-CONICET, Universidad Nacional de Mar del Plata, 7600 Mar del Plata, Argentina
| | - Cécile Jauzein
- Ifremer, Centre de Brest, DYNECO-Pelagos, F-29280 Plouzané, France
| | - Natalia Correa-Aragunde
- Instituto de Investigaciones Biológicas-CONICET, Universidad Nacional de Mar del Plata, 7600 Mar del Plata, Argentina
| | - Dana Martinez
- Instituto de Fisiología Vegetal (INFIVE-CONICET), Universidad Nacional de La Plata, 1900 La Plata, Argentina
| | - María Victoria Martin
- Instituto de Investigaciones en Biodiversidad y Biotecnología (INBIOTEC-CONICET), Fundación para Investigaciones Biológicas Aplicadas (FIBA), Universidad Nacional de Mar del Plata,7600 Mar del Plata, Argentina
| | - Daniela J Sueldo
- Norwegian University of Science and Technology, 7491 Trondheim, Norway
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15
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Sruthi KB, Menon A, P A, Vasudevan Soniya E. Pervasive translation of small open reading frames in plant long non-coding RNAs. FRONTIERS IN PLANT SCIENCE 2022; 13:975938. [PMID: 36352887 PMCID: PMC9638090 DOI: 10.3389/fpls.2022.975938] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Accepted: 09/29/2022] [Indexed: 06/16/2023]
Abstract
Long non-coding RNAs (lncRNAs) are primarily recognized as non-coding transcripts longer than 200 nucleotides with low coding potential and are present in both eukaryotes and prokaryotes. Recent findings reveal that lncRNAs can code for micropeptides in various species. Micropeptides are generated from small open reading frames (smORFs) and have been discovered frequently in short mRNAs and non-coding RNAs, such as lncRNAs, circular RNAs, and pri-miRNAs. The most accepted definition of a smORF is an ORF containing fewer than 100 codons, and ribosome profiling and mass spectrometry are the most prevalent experimental techniques used to identify them. Although the majority of micropeptides perform critical roles throughout plant developmental processes and stress conditions, only a handful of their functions have been verified to date. Even though more research is being directed toward identifying micropeptides, there is still a dearth of information regarding these peptides in plants. This review outlines the lncRNA-encoded peptides, the evolutionary roles of such peptides in plants, and the techniques used to identify them. It also describes the functions of the pri-miRNA and circRNA-encoded peptides that have been identified in plants.
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16
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Zhao S, Meng J, Kang Q, Luan Y. Identifying LncRNA-Encoded Short Peptides Using Optimized Hybrid Features and Ensemble Learning. IEEE/ACM TRANSACTIONS ON COMPUTATIONAL BIOLOGY AND BIOINFORMATICS 2022; 19:2873-2881. [PMID: 34383651 DOI: 10.1109/tcbb.2021.3104288] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Long non-coding RNA (lncRNA) contains short open reading frames (sORFs), and sORFs-encoded short peptides (SEPs) have become the focus of scientific studies due to their crucial role in life activities. The identification of SEPs is vital to further understanding their regulatory function. Bioinformatics methods can quickly identify SEPs to provide credible candidate sequences for verifying SEPs by biological experimenrts. However, there is a lack of methods for identifying SEPs directly. In this study, a machine learning method to identify SEPs of plant lncRNA (ISPL) is proposed. Hybrid features including sequence features and physicochemical features are extracted manually or adaptively to construct different modal features. In order to keep the stability of feature selection, the non-linear correction applied in Max-Relevance-Max-Distance (nocRD) feature selection method is proposed, which integrates multiple feature ranking results and uses the iterative random forest for different modal features dimensionality reduction. Classification models with different modal features are constructed, and their outputs are combined for ensemble classification. The experimental results show that the accuracy of ISPL is 89.86% percent on the independent test set, which will have important implications for further studies of functional genomic.
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Abstract
In angiosperms, double fertilization triggers the concomitant development of two closely juxtaposed tissues, the embryo and the endosperm. Successful seed development and germination require constant interactions between these tissues, which occur across their common interface. The embryo-endosperm interface is a complex and poorly understood compound apoplast comprising components derived from both tissues, across which nutrients transit to fuel embryo development. Interface properties, which affect molecular diffusion and thus communication, are themselves dynamically regulated by molecular and physical dialogues between the embryo and endosperm. We review the current understanding of embryo-endosperm interactions, with a focus on the structure, properties, and function of their shared interface. Concentrating on Arabidopsis, but with reference to other species, we aim to situate recent findings within the broader context of seed physiology, developmental biology, and genetic factors such as parental conflicts over resource allocation.
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Affiliation(s)
- Nicolas M Doll
- Department of Plant Biotechnology and Bioinformatics, Ghent University, Ghent, Belgium;
- VIB Center of Plant Systems Biology, Ghent, Belgium
| | - Gwyneth C Ingram
- Laboratoire Reproduction et Développement des Plantes, ENS de Lyon, CNRS, INRAE, Université de Lyon 1, Lyon, France;
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18
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Small open reading frames in plant research: from prediction to functional characterization. 3 Biotech 2022; 12:76. [PMID: 35251879 PMCID: PMC8873315 DOI: 10.1007/s13205-022-03147-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Accepted: 02/11/2022] [Indexed: 11/01/2022] Open
Abstract
Gene prediction is a laborious and time-consuming task. The advancement of sequencing technologies and bioinformatics tools, coupled with accelerated rate of ribosome profiling and mass spectrometry development, have made identification of small open reading frames (sORFs) (< 100 codons) in various plant genomes possible. The past 50 years have seen sORFs being isolated from many organisms. However, to date, a comprehensive sORF annotation pipeline is as yet unavailable, hence, addressed in our review. Here, we also provide current information on classification and functions of plant sORFs and their potential applications in crop improvement programs.
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19
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Wang R, Duan D, Metzger C, Zhu X, Riemann M, Pla M, Nick P. Aluminum can activate grapevine defense through actin remodeling. HORTICULTURE RESEARCH 2022; 9:uhab016. [PMID: 35039862 PMCID: PMC8771448 DOI: 10.1093/hr/uhab016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 08/25/2021] [Accepted: 09/02/2021] [Indexed: 05/31/2023]
Abstract
In the current study, we used a grapevine cell line in which actin filaments are labeled by GFP to show that aluminum causes actin remodeling through activation of NADPH oxidase in the plasma membrane, followed by activation of phytoalexin synthesis genes. Elimination of actin filaments by latrunculin B disrupts gene activation and inhibition of MAPK signaling by the inhibitor PD98059. Interestingly, aluminum also induces the transcription of ISOCHORISMATE SYNTHASE, a key enzyme for the synthesis of salicylic acid, as well as PR1, a gene that is known to be responsive to salicylic acid. However, while salicylic acid responses are usually a hallmark of the hypersensitive response, aluminum-triggered defense is not accompanied by cell death. Both actin remodeling and gene activation in response to aluminum can be suppressed by the natural auxin indole acetic acid, suggesting that the actin response is not caused by nonspecific signaling. Further evidence for the specificity of the aluminum-triggered activation of phytoalexin synthesis genes comes from experiments in which plant peptide elicitors induce significant cellular mortality but do not evoke induction of these transcription. The response in grapevine cells can be recapitulated in grapevine leaf discs from two genotypes contrasting in stilbene inducibility. Here, aluminum can induce accumulation of the central grapevine phytoalexin, the stilbene aglycone trans-resveratrol; this is preceded by a rapid induction of transcription for RESVERATROL SYNTHASE and the regulating transcription factor MYB14. The amplitude of this induction reflects the general stilbene inducibility of these genotypes, indicating that the aluminum effect is not caused by nonspecific toxicity but by activation of specific signaling pathways. The findings are discussed in relation to a model in which actin filaments activate a specific branch of defense signaling, acting in concert with calcium-dependent PAMP-triggered immunity. This pathway links the apoplastic oxidative burst through MAPK signaling with the activation of defense-related transcription.
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Affiliation(s)
- Ruipu Wang
- College of Agriculture, Guizhou University, Guiyang 550025, China
- Molecular Cell Biology, Botanical Institute, Karlsruhe Institute of Technology, Fritz-Haber-Weg 4, 76131 Karlsruhe, Germany
| | - Dong Duan
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Sciences, Northwest University, Xi'an 710069, China
| | - Christian Metzger
- Molecular Cell Biology, Botanical Institute, Karlsruhe Institute of Technology, Fritz-Haber-Weg 4, 76131 Karlsruhe, Germany
| | - Xin Zhu
- Molecular Cell Biology, Botanical Institute, Karlsruhe Institute of Technology, Fritz-Haber-Weg 4, 76131 Karlsruhe, Germany
| | - Michael Riemann
- Molecular Cell Biology, Botanical Institute, Karlsruhe Institute of Technology, Fritz-Haber-Weg 4, 76131 Karlsruhe, Germany
| | - Maria Pla
- Institute for Food and Agricultural Technology (INTEA), University of Girona, Campus Montilivi (EPS-1), 17003 Girona, Spain
| | - Peter Nick
- Molecular Cell Biology, Botanical Institute, Karlsruhe Institute of Technology, Fritz-Haber-Weg 4, 76131 Karlsruhe, Germany
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20
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Lyapina I, Ivanov V, Fesenko I. Peptidome: Chaos or Inevitability. Int J Mol Sci 2021; 22:13128. [PMID: 34884929 PMCID: PMC8658490 DOI: 10.3390/ijms222313128] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 12/01/2021] [Accepted: 12/02/2021] [Indexed: 12/13/2022] Open
Abstract
Thousands of naturally occurring peptides differing in their origin, abundance and possible functions have been identified in the tissue and biological fluids of vertebrates, insects, fungi, plants and bacteria. These peptide pools are referred to as intracellular or extracellular peptidomes, and besides a small proportion of well-characterized peptide hormones and defense peptides, are poorly characterized. However, a growing body of evidence suggests that unknown bioactive peptides are hidden in the peptidomes of different organisms. In this review, we present a comprehensive overview of the mechanisms of generation and properties of peptidomes across different organisms. Based on their origin, we propose three large peptide groups-functional protein "degradome", small open reading frame (smORF)-encoded peptides (smORFome) and specific precursor-derived peptides. The composition of peptide pools identified by mass-spectrometry analysis in human cells, plants, yeast and bacteria is compared and discussed. The functions of different peptide groups, for example the role of the "degradome" in promoting defense signaling, are also considered.
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Affiliation(s)
| | | | - Igor Fesenko
- Department of Functional Genomics and Proteomics of Plants, Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry Russian Academy of Sciences, 117997 Moscow, Russia; (I.L.); (V.I.)
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21
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Zhao S, Meng J, Luan Y. LncRNA-Encoded Short Peptides Identification Using Feature Subset Recombination and Ensemble Learning. Interdiscip Sci 2021; 14:101-112. [PMID: 34304369 DOI: 10.1007/s12539-021-00464-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 07/14/2021] [Accepted: 07/16/2021] [Indexed: 11/28/2022]
Abstract
Long non-coding RNA (lncRNA), which is a type of non-coding RNA, was reported to contain short open reading frames (sORFs). SORFs-encoded short peptides (SEPs) have been demonstrated to play a crucial role in regulating the biological processes such as growth, development, and resistance response. The identification of SEPs is vital to further understanding their function. However, there is still a lack of methods for identifying SEPs effectively and rapidly. In this study, a novel method for lncRNA-encoded short peptides identification based on feature subset recombination and ensemble learning, lncPepid, is developed. lncPepid transforms the data of Zea mays and Arabidopsis thaliana into hybrid features from two aspects including sequence composition and physicochemical properties separately. It optimizes hybrid features by proposing a novel weighted iteration-based feature selection method to recombine a stable subset that characterizes SEPs effectively. Different classification models with different optimized features are constructed and tested separately. The outputs of the optimal models are integrated for ensemble classification to improve efficiency. Experimental results manifest that the geometric mean of sensitivity and specificity of lncPepid is about 70% on the identification of functional SEPs derived from multiple species. It is an effective and rapid method for the identification of lncRNA-encoded short peptides. This study can be extended to the research on SEPs from other species and have crucial implications for further findings and studies of functional genomics.
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Affiliation(s)
- Siyuan Zhao
- School of Computer Science and Technology, Dalian University of Technology, Dalian, 116024, Liaoning, China
| | - Jun Meng
- School of Computer Science and Technology, Dalian University of Technology, Dalian, 116024, Liaoning, China.
| | - Yushi Luan
- School of Bioengineering, Dalian University of Technology, Dalian, 116024, Liaoning, China
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22
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Li J, Zhang X, Liu C. The computational approaches of lncRNA identification based on coding potential: Status quo and challenges. Comput Struct Biotechnol J 2020; 18:3666-3677. [PMID: 33304463 PMCID: PMC7710504 DOI: 10.1016/j.csbj.2020.11.030] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 11/15/2020] [Accepted: 11/16/2020] [Indexed: 12/13/2022] Open
Abstract
Long noncoding RNAs (lncRNAs) make up a large proportion of transcriptome in eukaryotes, and have been revealed with many regulatory functions in various biological processes. When studying lncRNAs, the first step is to accurately and specifically distinguish them from the colossal transcriptome data with complicated composition, which contains mRNAs, lncRNAs, small RNAs and their primary transcripts. In the face of such a huge and progressively expanding transcriptome data, the in-silico approaches provide a practicable scheme for effectively and rapidly filtering out lncRNA targets, using machine learning and probability statistics. In this review, we mainly discussed the characteristics of algorithms and features on currently developed approaches. We also outlined the traits of some state-of-the-art tools for ease of operation. Finally, we pointed out the underlying challenges in lncRNA identification with the advent of new experimental data.
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Affiliation(s)
- Jing Li
- CAS Key Laboratory of Tropical Plant Resources and Sustainable Use, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Menglun, Mengla, Yunnan 666303, China
- Center of Economic Botany, Core Botanical Gardens, Chinese Academy of Sciences, Menglun, Mengla, Yunnan 666303, China
| | - Xuan Zhang
- CAS Key Laboratory of Tropical Plant Resources and Sustainable Use, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Menglun, Mengla, Yunnan 666303, China
| | - Changning Liu
- CAS Key Laboratory of Tropical Plant Resources and Sustainable Use, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Menglun, Mengla, Yunnan 666303, China
- Center of Economic Botany, Core Botanical Gardens, Chinese Academy of Sciences, Menglun, Mengla, Yunnan 666303, China
- The Innovative Academy of Seed Design, Chinese Academy of Sciences, Menglun, Mengla, Yunnan 666303, China
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23
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Wang S, Tian L, Liu H, Li X, Zhang J, Chen X, Jia X, Zheng X, Wu S, Chen Y, Yan J, Wu L. Large-Scale Discovery of Non-conventional Peptides in Maize and Arabidopsis through an Integrated Peptidogenomic Pipeline. MOLECULAR PLANT 2020; 13:1078-1093. [PMID: 32445888 DOI: 10.1016/j.molp.2020.05.012] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2020] [Revised: 05/04/2020] [Accepted: 05/18/2020] [Indexed: 05/10/2023]
Abstract
Non-conventional peptides (NCPs), which include small open reading frame-encoded peptides, play critical roles in fundamental biological processes. In this study, we developed an integrated peptidogenomic pipeline using high-throughput mass spectra to probe a customized six-frame translation database and applied it to large-scale identification of NCPs in plants.A total of 1993 and 1860 NCPs were unambiguously identified in maize and Arabidopsis, respectively. These NCPs showed distinct characteristics compared with conventional peptides and were derived from introns, 3' UTRs, 5' UTRs, junctions, and intergenic regions. Furthermore, our results showed that translation events in unannotated transcripts occur more broadly than previously thought. In addition, we found that dozens of maize NCPs are enriched within regions associated with phenotypic variations and domestication selection, indicating that they potentially are involved in genetic regulation of complex traits and domestication in maize. Taken together, our study developed an integrated peptidogenomic pipeline for large-scale identification of NCPs in plants, which would facilitate global characterization of NCPs from other plants. The identification of large-scale NCPs in both monocot (maize) and dicot (Arabidopsis) plants indicates that a large portion of plant genome can be translated into biologically functional molecules, which has important implications for functional genomic studies.
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Affiliation(s)
- Shunxi Wang
- National Key Laboratory of Wheat and Maize Crop Science, Collaborative Innovation Center of Henan Grain Crops, College of Agronomy, Henan Agricultural University, Zhengzhou 450002, China
| | - Lei Tian
- National Key Laboratory of Wheat and Maize Crop Science, Collaborative Innovation Center of Henan Grain Crops, College of Agronomy, Henan Agricultural University, Zhengzhou 450002, China
| | - Haijun Liu
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan 430070, China
| | - Xiang Li
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan 430070, China
| | - Jinghua Zhang
- National Key Laboratory of Wheat and Maize Crop Science, Collaborative Innovation Center of Henan Grain Crops, College of Agronomy, Henan Agricultural University, Zhengzhou 450002, China
| | - Xueyan Chen
- National Key Laboratory of Wheat and Maize Crop Science, Collaborative Innovation Center of Henan Grain Crops, College of Agronomy, Henan Agricultural University, Zhengzhou 450002, China
| | - Xingmeng Jia
- National Key Laboratory of Wheat and Maize Crop Science, Collaborative Innovation Center of Henan Grain Crops, College of Agronomy, Henan Agricultural University, Zhengzhou 450002, China
| | - Xu Zheng
- National Key Laboratory of Wheat and Maize Crop Science, Collaborative Innovation Center of Henan Grain Crops, College of Agronomy, Henan Agricultural University, Zhengzhou 450002, China
| | - Shubiao Wu
- School of Environmental and Rural Science, University of New England, Armidale, NSW 2351, Australia
| | - Yanhui Chen
- National Key Laboratory of Wheat and Maize Crop Science, Collaborative Innovation Center of Henan Grain Crops, College of Agronomy, Henan Agricultural University, Zhengzhou 450002, China
| | - Jianbing Yan
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan 430070, China.
| | - Liuji Wu
- National Key Laboratory of Wheat and Maize Crop Science, Collaborative Innovation Center of Henan Grain Crops, College of Agronomy, Henan Agricultural University, Zhengzhou 450002, China.
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24
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Jacob D, Brian J. The short and intricate life of the suspensor. PHYSIOLOGIA PLANTARUM 2020; 169:110-121. [PMID: 31808953 DOI: 10.1111/ppl.13057] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Revised: 11/04/2019] [Accepted: 12/04/2019] [Indexed: 06/10/2023]
Abstract
The suspensor is a short-lived tissue critical for proper embryonic development in many higher plants. While the tissue was initially thought to simply suspend the embryo in the endosperm, it has been found through decades of research that it serves multiple important purposes. The suspensor has been found to be vital for proper embryo patterning and numerous studies have been undertaken into the complex transcriptional cross-talk between the suspensor and the embryo proper. Indeed, many suspensor mutants also display abnormalities in the embryo. The suspensor's role as a nutrient conduit has been shown using ultrastructural and histochemical techniques. Biochemical approaches have found that the suspensor is a centre of early embryonic hormone production in several species. The suspensor has also been frequently used as a model for programmed cell death as it shows signs of termination almost immediately upon developing. This review covers the essential functions of the suspensor throughout its short existence from multiple disciplines including structural, genetic and biochemical perspectives.
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Affiliation(s)
- Downs Jacob
- Faculty of Science, University of Sydney, Sydney, NSW, 2006, Australia
| | - Jones Brian
- Faculty of Science, University of Sydney, Sydney, NSW, 2006, Australia
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25
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Wu HYL, Song G, Walley JW, Hsu PY. The Tomato Translational Landscape Revealed by Transcriptome Assembly and Ribosome Profiling. PLANT PHYSIOLOGY 2019; 181:367-380. [PMID: 31248964 PMCID: PMC6716236 DOI: 10.1104/pp.19.00541] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Accepted: 06/10/2019] [Indexed: 05/14/2023]
Abstract
Recent applications of translational control in Arabidopsis (Arabidopsis thaliana) highlight the potential power of manipulating mRNA translation for crop improvement. However, to what extent translational regulation is conserved between Arabidopsis and other species is largely unknown, and the translatome of most crops remains poorly studied. Here, we combined de novo transcriptome assembly and ribosome profiling to study global mRNA translation in tomato (Solanum lycopersicum) roots. Exploiting features corresponding to active translation, we discovered widespread unannotated translation events, including 1,329 upstream open reading frames (uORFs) within the 5' untranslated regions of annotated coding genes and 354 small ORFs (sORFs) among unannotated transcripts. uORFs may repress translation of their downstream main ORFs, whereas sORFs may encode signaling peptides. Besides evolutionarily conserved sORFs, we uncovered 96 Solanaceae-specific sORFs, revealing the importance of studying translatomes directly in crops. Proteomic analysis confirmed that some of the unannotated ORFs generate stable proteins in planta. In addition to defining the translatome, our results reveal the global regulation by uORFs and microRNAs. Despite diverging over 100 million years ago, many translational features are well conserved between Arabidopsis and tomato. Thus, our approach provides a high-throughput method to discover unannotated ORFs, elucidates evolutionarily conserved and unique translational features, and identifies regulatory mechanisms hidden in a crop genome.
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Affiliation(s)
- Hsin-Yen Larry Wu
- Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, Michigan 48824
| | - Gaoyuan Song
- Department of Plant Pathology and Microbiology, Iowa State University, Ames, Iowa 50011
| | - Justin W Walley
- Department of Plant Pathology and Microbiology, Iowa State University, Ames, Iowa 50011
| | - Polly Yingshan Hsu
- Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, Michigan 48824
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26
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Fesenko I, Kirov I, Kniazev A, Khazigaleeva R, Lazarev V, Kharlampieva D, Grafskaia E, Zgoda V, Butenko I, Arapidi G, Mamaeva A, Ivanov V, Govorun V. Distinct types of short open reading frames are translated in plant cells. Genome Res 2019; 29:1464-1477. [PMID: 31387879 PMCID: PMC6724668 DOI: 10.1101/gr.253302.119] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Accepted: 08/01/2019] [Indexed: 02/07/2023]
Abstract
Genomes contain millions of short (<100 codons) open reading frames (sORFs), which are usually dismissed during gene annotation. Nevertheless, peptides encoded by such sORFs can play important biological roles, and their impact on cellular processes has long been underestimated. Here, we analyzed approximately 70,000 transcribed sORFs in the model plant Physcomitrella patens (moss). Several distinct classes of sORFs that differ in terms of their position on transcripts and the level of evolutionary conservation are present in the moss genome. Over 5000 sORFs were conserved in at least one of 10 plant species examined. Mass spectrometry analysis of proteomic and peptidomic data sets suggested that tens of sORFs located on distinct parts of mRNAs and long noncoding RNAs (lncRNAs) are translated, including conserved sORFs. Translational analysis of the sORFs and main ORFs at a single locus suggested the existence of genes that code for multiple proteins and peptides with tissue-specific expression. Functional analysis of four lncRNA-encoded peptides showed that sORFs-encoded peptides are involved in regulation of growth and differentiation in moss. Knocking out lncRNA-encoded peptides resulted in a decrease of moss growth. In contrast, the overexpression of these peptides resulted in a diverse range of phenotypic effects. Our results thus open new avenues for discovering novel, biologically active peptides in the plant kingdom.
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Affiliation(s)
- Igor Fesenko
- Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences, 117997 Moscow, Russian Federation
| | - Ilya Kirov
- Laboratory of marker-assisted and genomic selection of plants, All-Russian Research Institute of Agricultural Biotechnology, 127550 Moscow, Russian Federation
| | - Andrey Kniazev
- Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences, 117997 Moscow, Russian Federation
| | - Regina Khazigaleeva
- Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences, 117997 Moscow, Russian Federation
| | - Vassili Lazarev
- Federal Research and Clinical Center of Physical-Chemical Medicine of Federal Medical Biological Agency, 119435 Moscow, Russian Federation.,Moscow Institute of Physics and Technology (National Research University), 141701 Dolgoprudny, Moscow Region, Russian Federation
| | - Daria Kharlampieva
- Federal Research and Clinical Center of Physical-Chemical Medicine of Federal Medical Biological Agency, 119435 Moscow, Russian Federation
| | - Ekaterina Grafskaia
- Federal Research and Clinical Center of Physical-Chemical Medicine of Federal Medical Biological Agency, 119435 Moscow, Russian Federation.,Moscow Institute of Physics and Technology (National Research University), 141701 Dolgoprudny, Moscow Region, Russian Federation
| | - Viktor Zgoda
- Laboratory of System Biology, Institute of Biomedical Chemistry, 119121 Moscow, Russian Federation
| | - Ivan Butenko
- Federal Research and Clinical Center of Physical-Chemical Medicine of Federal Medical Biological Agency, 119435 Moscow, Russian Federation
| | - Georgy Arapidi
- Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences, 117997 Moscow, Russian Federation.,Federal Research and Clinical Center of Physical-Chemical Medicine of Federal Medical Biological Agency, 119435 Moscow, Russian Federation
| | - Anna Mamaeva
- Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences, 117997 Moscow, Russian Federation
| | - Vadim Ivanov
- Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences, 117997 Moscow, Russian Federation
| | - Vadim Govorun
- Federal Research and Clinical Center of Physical-Chemical Medicine of Federal Medical Biological Agency, 119435 Moscow, Russian Federation
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Li J, Liu C. Coding or Noncoding, the Converging Concepts of RNAs. Front Genet 2019; 10:496. [PMID: 31178900 PMCID: PMC6538810 DOI: 10.3389/fgene.2019.00496] [Citation(s) in RCA: 103] [Impact Index Per Article: 20.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2019] [Accepted: 05/06/2019] [Indexed: 12/18/2022] Open
Abstract
Technological advances over the past decade have unraveled the remarkable complexity of RNA. The identification of small peptides encoded by long non-coding RNAs (lncRNAs) as well as regulatory functions mediated by non-coding regions of mRNAs have further complicated our understanding of the multifaceted functions of RNA. In this review, we summarize current evidence pointing to dual roles of RNA molecules defined by their coding and non-coding potentials. We also discuss how the emerging roles of RNA transform our understanding of gene expression and evolution.
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Affiliation(s)
- Jing Li
- CAS Key Laboratory of Tropical Plant Resource and Sustainable Use, Xishuangbanna Tropical Botanical Garden, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Kunming, China
| | - Changning Liu
- CAS Key Laboratory of Tropical Plant Resource and Sustainable Use, Xishuangbanna Tropical Botanical Garden, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Kunming, China
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28
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Buono RA, Hudecek R, Nowack MK. Plant proteases during developmental programmed cell death. JOURNAL OF EXPERIMENTAL BOTANY 2019; 70:2097-2112. [PMID: 30793182 PMCID: PMC7612330 DOI: 10.1093/jxb/erz072] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Accepted: 02/12/2019] [Indexed: 05/08/2023]
Abstract
Proteases are among the key regulators of most forms of programmed cell death (PCD) in animals. Many PCD processes have also been associated with protease expression or activation in plants, However, functional evidence for the roles and actual modes of action of plant proteases in PCD remains surprisingly limited. In this review, we provide an update on protease involvement in the context of developmentally regulated plant PCD. To illustrate the diversity of protease functions, we focus on several prominent developmental PCD processes, including xylem and tapetum maturation, suspensor elimination, endosperm degradation, and seed coat formation, as well as plant senescence processes. Despite the substantial advances in the field, protease functions are often only correlatively linked to developmental PCD, and the specific molecular roles of proteases in many developmental PCD processes remain to be elucidated.
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Affiliation(s)
- Rafael Andrade Buono
- Department of Plant Biotechnology and Genetics, Ghent University, 9052 Ghent, Belgium
- VIB Center for Plant Systems Biology, 9052 Ghent, Belgium
| | - Roman Hudecek
- Department of Plant Biotechnology and Genetics, Ghent University, 9052 Ghent, Belgium
- VIB Center for Plant Systems Biology, 9052 Ghent, Belgium
| | - Moritz K. Nowack
- Department of Plant Biotechnology and Genetics, Ghent University, 9052 Ghent, Belgium
- VIB Center for Plant Systems Biology, 9052 Ghent, Belgium
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29
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Liebers M, Chevalier F, Blanvillain R, Pfannschmidt T. PAP genes are tissue- and cell-specific markers of chloroplast development. PLANTA 2018; 248:629-646. [PMID: 29855700 DOI: 10.1007/s00425-018-2924-8] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Accepted: 05/21/2018] [Indexed: 05/03/2023]
Abstract
Expression of PAP genes is strongly coordinated and represents a highly selective cell-specific marker associated with the development of chloroplasts in photosynthetically active organs of Arabidopsis seedlings and adult plants. Transcription in plastids of plants depends on the activity of phage-type single-subunit nuclear-encoded RNA polymerases (NEP) and a prokaryotic multi-subunit plastid-encoded RNA polymerase (PEP). PEP is comprised of the core subunits α, β, β' and β″ encoded by rpoA, rpoB/C1/C2 genes located on the plastome. This core enzyme needs to interact with nuclear-encoded sigma factors for proper promoter recognition. In chloroplasts, the core enzyme is surrounded by additional 12 nuclear-encoded subunits, all of eukaryotic origin. These PEP-associated proteins (PAPs) were found to be essential for chloroplast biogenesis as Arabidopsis inactivation mutants for each of them revealed albino or pale-green phenotypes. In silico analysis of transcriptomic data suggests that PAP genes represent a tightly controlled regulon, whereas wetlab data are sparse and correspond to the expression of individual genes mostly studied at the seedling stage. Using RT-PCR, transient, and stable expression assays of PAP promoter-GUS-constructs, we do provide, in this study, a comprehensive expression catalogue for PAP genes throughout the life cycle of Arabidopsis. We demonstrate a selective impact of light on PAP gene expression and uncover a high tissue specificity that is coupled to developmental progression especially during the transition from skotomorphogenesis to photomorphogenesis. Our data imply that PAP gene expression precedes the formation of chloroplasts rendering PAP genes a tissue- and cell-specific marker of chloroplast biogenesis.
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Affiliation(s)
- Monique Liebers
- LPCV, CEA, CNRS, INRA, Université Grenoble-Alpes, BIG, 38000, Grenoble, France
| | - Fabien Chevalier
- LPCV, CEA, CNRS, INRA, Université Grenoble-Alpes, BIG, 38000, Grenoble, France
| | - Robert Blanvillain
- LPCV, CEA, CNRS, INRA, Université Grenoble-Alpes, BIG, 38000, Grenoble, France.
| | - Thomas Pfannschmidt
- LPCV, CEA, CNRS, INRA, Université Grenoble-Alpes, BIG, 38000, Grenoble, France.
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30
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The cloak, dagger, and shield: proteases in plant-pathogen interactions. Biochem J 2018; 475:2491-2509. [PMID: 30115747 DOI: 10.1042/bcj20170781] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2018] [Revised: 07/10/2018] [Accepted: 07/13/2018] [Indexed: 01/03/2023]
Abstract
Plants sense the presence of pathogens or pests through the recognition of evolutionarily conserved microbe- or herbivore-associated molecular patterns or specific pathogen effectors, as well as plant endogenous danger-associated molecular patterns. This sensory capacity is largely mediated through plasma membrane and cytosol-localized receptors which trigger complex downstream immune signaling cascades. As immune signaling outputs are often associated with a high fitness cost, precise regulation of this signaling is critical. Protease-mediated proteolysis represents an important form of pathway regulation in this context. Proteases have been widely implicated in plant-pathogen interactions, and their biochemical mechanisms and targets continue to be elucidated. During the plant and pathogen arms race, specific proteases are employed from both the plant and the pathogen sides to contribute to either defend or invade. Several pathogen effectors have been identified as proteases or protease inhibitors which act to functionally defend or camouflage the pathogens from plant proteases and immune receptors. In this review, we discuss known protease functions and protease-regulated signaling processes involved in both sides of plant-pathogen interactions.
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31
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Podgórska A, Ostaszewska-Bugajska M, Tarnowska A, Burian M, Borysiuk K, Gardeström P, Szal B. Nitrogen Source Dependent Changes in Central Sugar Metabolism Maintain Cell Wall Assembly in Mitochondrial Complex I-Defective frostbite1 and Secondarily Affect Programmed Cell Death. Int J Mol Sci 2018; 19:ijms19082206. [PMID: 30060552 PMCID: PMC6121878 DOI: 10.3390/ijms19082206] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Revised: 07/20/2018] [Accepted: 07/24/2018] [Indexed: 12/13/2022] Open
Abstract
For optimal plant growth, carbon and nitrogen availability needs to be tightly coordinated. Mitochondrial perturbations related to a defect in complex I in the Arabidopsis thalianafrostbite1 (fro1) mutant, carrying a point mutation in the 8-kD Fe-S subunit of NDUFS4 protein, alter aspects of fundamental carbon metabolism, which is manifested as stunted growth. During nitrate nutrition, fro1 plants showed a dominant sugar flux toward nitrogen assimilation and energy production, whereas cellulose integration in the cell wall was restricted. However, when cultured on NH4+ as the sole nitrogen source, which typically induces developmental disorders in plants (i.e., the ammonium toxicity syndrome), fro1 showed improved growth as compared to NO3− nourishing. Higher energy availability in fro1 plants was correlated with restored cell wall assembly during NH4+ growth. To determine the relationship between mitochondrial complex I disassembly and cell wall-related processes, aspects of cell wall integrity and sugar and reactive oxygen species signaling were analyzed in fro1 plants. The responses of fro1 plants to NH4+ treatment were consistent with the inhibition of a form of programmed cell death. Resistance of fro1 plants to NH4+ toxicity coincided with an absence of necrotic lesion in plant leaves.
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Affiliation(s)
- Anna Podgórska
- Institute of Experimental Plant Biology and Biotechnology, Faculty of Biology, University of Warsaw, I. Miecznikowa 1, 02-096 Warsaw, Poland.
| | - Monika Ostaszewska-Bugajska
- Institute of Experimental Plant Biology and Biotechnology, Faculty of Biology, University of Warsaw, I. Miecznikowa 1, 02-096 Warsaw, Poland.
| | - Agata Tarnowska
- Institute of Experimental Plant Biology and Biotechnology, Faculty of Biology, University of Warsaw, I. Miecznikowa 1, 02-096 Warsaw, Poland.
| | - Maria Burian
- Institute of Experimental Plant Biology and Biotechnology, Faculty of Biology, University of Warsaw, I. Miecznikowa 1, 02-096 Warsaw, Poland.
| | - Klaudia Borysiuk
- Institute of Experimental Plant Biology and Biotechnology, Faculty of Biology, University of Warsaw, I. Miecznikowa 1, 02-096 Warsaw, Poland.
| | - Per Gardeström
- Umeå Plant Science Centre, Department of Plant Physiology, Umeå University, SE-90187 Umeå, Sweden, .
| | - Bożena Szal
- Institute of Experimental Plant Biology and Biotechnology, Faculty of Biology, University of Warsaw, I. Miecznikowa 1, 02-096 Warsaw, Poland.
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32
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Yeasmin F, Yada T, Akimitsu N. Micropeptides Encoded in Transcripts Previously Identified as Long Noncoding RNAs: A New Chapter in Transcriptomics and Proteomics. Front Genet 2018; 9:144. [PMID: 29922328 PMCID: PMC5996887 DOI: 10.3389/fgene.2018.00144] [Citation(s) in RCA: 70] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Accepted: 04/09/2018] [Indexed: 11/13/2022] Open
Abstract
Integrative analysis using omics-based technologies results in the identification of a large number of putative short open reading frames (sORFs) with protein-coding capacity within transcripts previously identified as long noncoding RNAs (lncRNAs) or transcripts of unknown function (TUFs). sORFs were previously overlooked because of their diminutive size and the difficulty of identification by bioinformatics analyses. There is now growing evidence of the existence of potentially functional micropeptides produced from sORFs within cells of diverse species. Recent characterization of a few of these revealed their significant divergent roles in many fundamental biological processes, where some also show important relationships with pathogenesis. Recent works therefore provide new insights for exploring the wealth of information that may lie within sORF-encoded short proteins. Here, we summarize the current progress and view of micropeptides encoded in sORFs of protein-coding genes.
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Affiliation(s)
- Fouzia Yeasmin
- Isotope Science Centre, The University of Tokyo, Tokyo, Japan
| | - Tetsushi Yada
- Department of Bioscience and Bioinformatics, Kyushu Institute of Technology, Fukuoka, Japan
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33
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Savadi S. Molecular regulation of seed development and strategies for engineering seed size in crop plants. PLANT GROWTH REGULATION 2018; 84:401-422. [PMID: 0 DOI: 10.1007/s10725-017-0355-3] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
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34
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Peng X, Sun MX. The suspensor as a model system to study the mechanism of cell fate specification during early embryogenesis. PLANT REPRODUCTION 2018; 31:59-65. [PMID: 29473100 PMCID: PMC5845063 DOI: 10.1007/s00497-018-0326-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/20/2017] [Accepted: 02/14/2018] [Indexed: 05/24/2023]
Abstract
The advances in the suspensor. During early embryogenesis, the proembryo consists of two domains, the embryo proper and the suspensor. Unlike the embryo proper, which has been investigated extensively, research on the suspensor has been limited in past decades. Recent studies have revealed that the suspensor plays an important role in early embryogenesis and the process of suspensor formation and degeneration may provide a unique model for studies on cell division pattern, cell fate determination, and cell death. In this review, we briefly summarize the advances in research on the suspensor, which provide new insight in our understanding of the mechanism of early embryogenesis and show great potential for a unique model for future investigations.
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Affiliation(s)
- Xiongbo Peng
- State Key Laboratory of Hybrid Rice, College of Life Science, Wuhan University, Wuhan, 430072, China
| | - Meng-Xiang Sun
- State Key Laboratory of Hybrid Rice, College of Life Science, Wuhan University, Wuhan, 430072, China.
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35
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Khazigaleeva RA, Fesenko IA. Biologically active peptides encoded by small open reading frames. RUSSIAN JOURNAL OF BIOORGANIC CHEMISTRY 2018. [DOI: 10.1134/s106816201706005x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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36
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Kuska MT, Brugger A, Thomas S, Wahabzada M, Kersting K, Oerke EC, Steiner U, Mahlein AK. Spectral Patterns Reveal Early Resistance Reactions of Barley Against Blumeria graminis f. sp. hordei. PHYTOPATHOLOGY 2017; 107:1388-1398. [PMID: 28665761 DOI: 10.1094/phyto-04-17-0128-r] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Differences in early plant-pathogen interactions are mainly characterized by using destructive methods. Optical sensors are advanced techniques for phenotyping host-pathogen interactions on different scales and for detecting subtle plant resistance responses against pathogens. A microscope with a hyperspectral camera was used to study interactions between Blumeria graminis f. sp. hordei and barley (Hordeum vulgare) genotypes with high susceptibility or resistance due to hypersensitive response (HR) and papilla formation. Qualitative and quantitative assessment of pathogen development was used to explain changes in hyperspectral signatures. Within 48 h after inoculation, genotype-specific changes in the green and red range (500 to 690 nm) and a blue shift of the red-edge inflection point were observed. Manual analysis indicated resistance-specific reflectance patterns from 1 to 3 days after inoculation. These changes could be linked to host plant modifications depending on individual host-pathogen interactions. Retrospective analysis of hyperspectral images revealed spectral characteristics of HR against B. graminis f. sp. hordei. For early HR detection, an advanced data mining approach localized HR spots before they became visible on the RGB images derived from hyperspectral imaging. The link among processes during pathogenesis and host resistance to changes in hyperspectral signatures provide evidence that sensor-based phenotyping is suitable to advance time-consuming and cost-expensive visual rating of plant disease resistances.
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Affiliation(s)
- Matheus Thomas Kuska
- First, second, third, fourth, sixth, seventh, and eighth authors: Institute for Crop Science and Resource Conservation (INRES)-Phytomedicine, University of Bonn, Nussallee 9, 53115 Bonn, Germany; fifth author: CS Department and Centre for Cognitive Science, TU Darmstadt, Hochschulstrasse 1, 64289 Darmstadt, Germany; and eighth author: Institute of Sugar Beet Research (IfZ), Holtenser Landstraße 77, 37079 Göttingen, Germany
| | - Anna Brugger
- First, second, third, fourth, sixth, seventh, and eighth authors: Institute for Crop Science and Resource Conservation (INRES)-Phytomedicine, University of Bonn, Nussallee 9, 53115 Bonn, Germany; fifth author: CS Department and Centre for Cognitive Science, TU Darmstadt, Hochschulstrasse 1, 64289 Darmstadt, Germany; and eighth author: Institute of Sugar Beet Research (IfZ), Holtenser Landstraße 77, 37079 Göttingen, Germany
| | - Stefan Thomas
- First, second, third, fourth, sixth, seventh, and eighth authors: Institute for Crop Science and Resource Conservation (INRES)-Phytomedicine, University of Bonn, Nussallee 9, 53115 Bonn, Germany; fifth author: CS Department and Centre for Cognitive Science, TU Darmstadt, Hochschulstrasse 1, 64289 Darmstadt, Germany; and eighth author: Institute of Sugar Beet Research (IfZ), Holtenser Landstraße 77, 37079 Göttingen, Germany
| | - Mirwaes Wahabzada
- First, second, third, fourth, sixth, seventh, and eighth authors: Institute for Crop Science and Resource Conservation (INRES)-Phytomedicine, University of Bonn, Nussallee 9, 53115 Bonn, Germany; fifth author: CS Department and Centre for Cognitive Science, TU Darmstadt, Hochschulstrasse 1, 64289 Darmstadt, Germany; and eighth author: Institute of Sugar Beet Research (IfZ), Holtenser Landstraße 77, 37079 Göttingen, Germany
| | - Kristian Kersting
- First, second, third, fourth, sixth, seventh, and eighth authors: Institute for Crop Science and Resource Conservation (INRES)-Phytomedicine, University of Bonn, Nussallee 9, 53115 Bonn, Germany; fifth author: CS Department and Centre for Cognitive Science, TU Darmstadt, Hochschulstrasse 1, 64289 Darmstadt, Germany; and eighth author: Institute of Sugar Beet Research (IfZ), Holtenser Landstraße 77, 37079 Göttingen, Germany
| | - Erich-Christian Oerke
- First, second, third, fourth, sixth, seventh, and eighth authors: Institute for Crop Science and Resource Conservation (INRES)-Phytomedicine, University of Bonn, Nussallee 9, 53115 Bonn, Germany; fifth author: CS Department and Centre for Cognitive Science, TU Darmstadt, Hochschulstrasse 1, 64289 Darmstadt, Germany; and eighth author: Institute of Sugar Beet Research (IfZ), Holtenser Landstraße 77, 37079 Göttingen, Germany
| | - Ulrike Steiner
- First, second, third, fourth, sixth, seventh, and eighth authors: Institute for Crop Science and Resource Conservation (INRES)-Phytomedicine, University of Bonn, Nussallee 9, 53115 Bonn, Germany; fifth author: CS Department and Centre for Cognitive Science, TU Darmstadt, Hochschulstrasse 1, 64289 Darmstadt, Germany; and eighth author: Institute of Sugar Beet Research (IfZ), Holtenser Landstraße 77, 37079 Göttingen, Germany
| | - Anne-Katrin Mahlein
- First, second, third, fourth, sixth, seventh, and eighth authors: Institute for Crop Science and Resource Conservation (INRES)-Phytomedicine, University of Bonn, Nussallee 9, 53115 Bonn, Germany; fifth author: CS Department and Centre for Cognitive Science, TU Darmstadt, Hochschulstrasse 1, 64289 Darmstadt, Germany; and eighth author: Institute of Sugar Beet Research (IfZ), Holtenser Landstraße 77, 37079 Göttingen, Germany
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37
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Hsu PY, Benfey PN. Small but Mighty: Functional Peptides Encoded by Small ORFs in Plants. Proteomics 2017; 18:e1700038. [PMID: 28759167 DOI: 10.1002/pmic.201700038] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2017] [Revised: 07/26/2017] [Indexed: 12/18/2022]
Abstract
Peptides encoded by small open reading frames (sORFs, usually <100 codons) play critical regulatory roles in plant development and environmental responses. Despite their importance, only a small number of these peptides have been identified and characterized. Genomic studies have revealed that many plant genomes contain thousands of possible sORFs, which could potentially encode small peptides. The challenge is to distinguish translated sORFs from nontranslated ones. Here, we highlight advances in methodologies for identifying these hidden sORFs in plant genomes, including ribosome profiling and proteomics. We also examine the evidence for new peptides arising from sORFs and discuss their functions in plant development, environmental responses, and translational control.
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Affiliation(s)
| | - Philip N Benfey
- Department of Biology, Duke University, Durham, NC, USA.,Howard Hughes Medical Institute, Duke University, Durham, NC, USA
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38
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Zhang H, Liu XL, Zhang RX, Yuan HY, Wang MM, Yang HY, Ma HY, Liu D, Jiang CJ, Liang ZW. Root Damage under Alkaline Stress Is Associated with Reactive Oxygen Species Accumulation in Rice ( Oryza sativa L.). FRONTIERS IN PLANT SCIENCE 2017; 8:1580. [PMID: 28943882 PMCID: PMC5596797 DOI: 10.3389/fpls.2017.01580] [Citation(s) in RCA: 62] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2017] [Accepted: 08/29/2017] [Indexed: 05/19/2023]
Abstract
Alkaline stress (high pH) severely damages root cells, and consequently, inhibits rice (Oryza sativa L.) seedling growth. In this study, we demonstrate the accumulation of reactive oxygen species (ROS) in root cells under alkaline stress. Seedlings of two rice cultivars with different alkaline tolerances, 'Dongdao-4' (moderately alkaline-tolerant) and 'Jiudao-51' (alkaline-sensitive), were subjected to alkaline stress simulated by 15 mM sodium carbonate (Na2CO3). Alkaline stress greatly reduced seedling survival rate, shoot and root growth, and root vigor. Moreover, severe root cell damage was observed under alkaline stress, as shown by increased membrane injury, malondialdehyde accumulation, and Evan's Blue staining. The expression of the cell death-related genes OsKOD1, OsHsr203j, OsCP1, and OsNAC4 was consistently upregulated, while that of a cell death-suppressor gene, OsBI1, was downregulated. Analysis of the ROS contents revealed that alkaline stress induced a marked accumulation of superoxide anions ([Formula: see text]) and hydrogen peroxide (H2O2) in rice roots. The application of procyanidins (a potent antioxidant) to rice seedlings 24 h prior to alkaline treatment significantly alleviated alkalinity-induced root damage and promoted seedling growth inhibition, which were concomitant with reduced ROS accumulation. These results suggest that root cell damage, and consequently growth inhibition, of rice seedlings under alkaline stress is closely associated with ROS accumulation. The antioxidant activity of superoxide dismutase, catalase, peroxidase, and ascorbate peroxidase increased under alkaline stress in the roots, probably in response to the cellular damage induced by oxidative stress. However, this response mechanism may be overwhelmed by the excess ROS accumulation observed under stress, resulting in oxidative damage to root cells. Our findings provide physiological insights into the molecular mechanisms of alkalinity-induced damage to root cells, and will contribute to the improvement of alkaline stress tolerance in rice plants.
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Affiliation(s)
- Hui Zhang
- Northeast Institute of Geography and Agroecology, Chinese Academy of SciencesChangchun, China
- Da’an Sodic Land Experiment Station, Chinese Academy of Sciences, Da’anJilin, China
| | - Xiao-Long Liu
- Northeast Institute of Geography and Agroecology, Chinese Academy of SciencesChangchun, China
- College of Resources and Environment, University of Chinese Academy of SciencesBeijing, China
| | - Rui-Xue Zhang
- Northeast Institute of Geography and Agroecology, Chinese Academy of SciencesChangchun, China
- Da’an Sodic Land Experiment Station, Chinese Academy of Sciences, Da’anJilin, China
| | - Hai-Yan Yuan
- Northeast Institute of Geography and Agroecology, Chinese Academy of SciencesChangchun, China
- Da’an Sodic Land Experiment Station, Chinese Academy of Sciences, Da’anJilin, China
| | - Ming-Ming Wang
- Northeast Institute of Geography and Agroecology, Chinese Academy of SciencesChangchun, China
- Da’an Sodic Land Experiment Station, Chinese Academy of Sciences, Da’anJilin, China
| | - Hao-Yu Yang
- Northeast Institute of Geography and Agroecology, Chinese Academy of SciencesChangchun, China
- Da’an Sodic Land Experiment Station, Chinese Academy of Sciences, Da’anJilin, China
| | - Hong-Yuan Ma
- Northeast Institute of Geography and Agroecology, Chinese Academy of SciencesChangchun, China
- Da’an Sodic Land Experiment Station, Chinese Academy of Sciences, Da’anJilin, China
| | - Duo Liu
- Northeast Institute of Geography and Agroecology, Chinese Academy of SciencesChangchun, China
- College of Resources and Environment, University of Chinese Academy of SciencesBeijing, China
| | - Chang-Jie Jiang
- Institute of Agrobiological Sciences, National Agriculture and Food Research OrganizationTsukuba, Japan
| | - Zheng-Wei Liang
- Northeast Institute of Geography and Agroecology, Chinese Academy of SciencesChangchun, China
- Da’an Sodic Land Experiment Station, Chinese Academy of Sciences, Da’anJilin, China
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Kacprzyk J, Brogan NP, Daly CT, Doyle SM, Diamond M, Molony EM, McCabe PF. The retraction of the protoplast during PCD is an active, and interruptible, calcium-flux driven process. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2017; 260:50-59. [PMID: 28554474 DOI: 10.1016/j.plantsci.2017.04.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2017] [Revised: 03/10/2017] [Accepted: 04/01/2017] [Indexed: 05/09/2023]
Abstract
The protoplast retracts during apoptosis-like programmed cell death (AL-PCD) and, if this retraction is an active component of AL-PCD, it should be used as a defining feature for this type of programmed cell death. We used an array of pharmacological and genetic tools to test if the rates of protoplast retraction in cells undergoing AL-PCD can be modulated. Disturbing calcium flux signalling, ATP synthesis and mitochondrial permeability transition all inhibited protoplast retraction and often also the execution of the death programme. Protoplast retraction can precede loss of plasma membrane integrity and cell death can be interrupted after the protoplast retraction had already occurred. Blocking calcium influx inhibited the protoplast retraction, reduced DNA fragmentation and delayed death induced by AL-PCD associated stresses. At higher levels of stress, where cell death occurs without protoplast retraction, blocking calcium flux had no effect on the death process. The results therefore strongly suggest that retraction of the protoplast is an active biological process dependent on an early Ca2+-mediated trigger rather than cellular disintegration due to plasma membrane damage. Therefore this morphologically distinct cell type is a quantifiable feature, and consequently, reporter of AL-PCD.
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Affiliation(s)
- Joanna Kacprzyk
- School of Biology and Environmental Science, University College Dublin, Dublin 4, Ireland; UCD Centre for Plant Science, Ireland
| | - Niall P Brogan
- School of Biology and Environmental Science, University College Dublin, Dublin 4, Ireland; UCD Centre for Plant Science, Ireland
| | - Cara T Daly
- School of Biology and Environmental Science, University College Dublin, Dublin 4, Ireland
| | - Siamsa M Doyle
- School of Biology and Environmental Science, University College Dublin, Dublin 4, Ireland
| | - Mark Diamond
- School of Biology and Environmental Science, University College Dublin, Dublin 4, Ireland
| | - Elizabeth M Molony
- School of Biology and Environmental Science, University College Dublin, Dublin 4, Ireland
| | - Paul F McCabe
- School of Biology and Environmental Science, University College Dublin, Dublin 4, Ireland; UCD Centre for Plant Science, Ireland.
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40
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Ingram GC. Dying to live: cell elimination as a developmental strategy in angiosperm seeds. JOURNAL OF EXPERIMENTAL BOTANY 2017; 68:785-796. [PMID: 27702990 DOI: 10.1093/jxb/erw364] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
The complete elimination of unwanted cells during development is a repeated theme in both multicellular animals and in plants. In plants, such events have been extensively studied and reviewed in terms of their molecular regulation, of marker genes and proteins expressed, and in terms of cellular changes associated with their progression. This review will take a slightly different view of developmental cell elimination and will concentrate specifically on the numerous elimination events that occur during ovule and seed development (here grouped together as seed development). It asks why this cell elimination occurs in specific seed tissues, in order to understand something about the commonalities underlying how seemingly disparate events are triggered and regulated. Finally, by placing the seed in its broader evolutionary context, the question of why cell elimination may have emerged as such a key component of the seed developmental toolbox will be considered.
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Affiliation(s)
- Gwyneth C Ingram
- Laboratoire Reproduction et Développement des Plantes, Université de Lyon, CNRS (UMR 5667), INRA (UMR 0879), UCB Lyon 1, Ecole Normale Supérieure de Lyon, F-69342 Lyon, France
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41
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Distéfano AM, Martin MV, Córdoba JP, Bellido AM, D'Ippólito S, Colman SL, Soto D, Roldán JA, Bartoli CG, Zabaleta EJ, Fiol DF, Stockwell BR, Dixon SJ, Pagnussat GC. Heat stress induces ferroptosis-like cell death in plants. J Cell Biol 2017; 216:463-476. [PMID: 28100685 PMCID: PMC5294777 DOI: 10.1083/jcb.201605110] [Citation(s) in RCA: 148] [Impact Index Per Article: 21.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2016] [Revised: 09/29/2016] [Accepted: 12/07/2016] [Indexed: 02/07/2023] Open
Abstract
In plants, regulated cell death (RCD) plays critical roles during development and is essential for plant-specific responses to abiotic and biotic stresses. Ferroptosis is an iron-dependent, oxidative, nonapoptotic form of cell death recently described in animal cells. In animal cells, this process can be triggered by depletion of glutathione (GSH) and accumulation of lipid reactive oxygen species (ROS). We investigated whether a similar process could be relevant to cell death in plants. Remarkably, heat shock (HS)-induced RCD, but not reproductive or vascular development, was found to involve a ferroptosis-like cell death process. In root cells, HS triggered an iron-dependent cell death pathway that was characterized by depletion of GSH and ascorbic acid and accumulation of cytosolic and lipid ROS. These results suggest a physiological role for this lethal pathway in response to heat stress in Arabidopsis thaliana The similarity of ferroptosis in animal cells and ferroptosis-like death in plants suggests that oxidative, iron-dependent cell death programs may be evolutionarily ancient.
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Affiliation(s)
- Ayelén Mariana Distéfano
- Instituto de Investigaciones Biológicas, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad Nacional de Mar del Plata, 7600 Mar del Plata, Argentina
| | - María Victoria Martin
- Instituto de Investigaciones Biológicas, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad Nacional de Mar del Plata, 7600 Mar del Plata, Argentina
| | - Juan Pablo Córdoba
- Instituto de Investigaciones Biológicas, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad Nacional de Mar del Plata, 7600 Mar del Plata, Argentina
| | - Andrés Martín Bellido
- Instituto de Investigaciones Biológicas, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad Nacional de Mar del Plata, 7600 Mar del Plata, Argentina
| | - Sebastián D'Ippólito
- Instituto de Investigaciones Biológicas, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad Nacional de Mar del Plata, 7600 Mar del Plata, Argentina
| | - Silvana Lorena Colman
- Instituto de Investigaciones Biológicas, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad Nacional de Mar del Plata, 7600 Mar del Plata, Argentina
| | - Débora Soto
- Instituto de Investigaciones Biológicas, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad Nacional de Mar del Plata, 7600 Mar del Plata, Argentina
| | - Juan Alfredo Roldán
- Instituto de Investigaciones Biológicas, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad Nacional de Mar del Plata, 7600 Mar del Plata, Argentina
| | - Carlos Guillermo Bartoli
- Instituto de Fisiología Vegetal, Facultad de Ciencias Naturales, Universidad Nacional de La Plata Centro Científico Technológico La Plata CONICET, 1900 La Plata, Argentina
| | - Eduardo Julián Zabaleta
- Instituto de Investigaciones Biológicas, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad Nacional de Mar del Plata, 7600 Mar del Plata, Argentina
| | - Diego Fernando Fiol
- Instituto de Investigaciones Biológicas, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad Nacional de Mar del Plata, 7600 Mar del Plata, Argentina
| | - Brent R Stockwell
- Department of Biological Sciences, Columbia University, New York, NY 10027.,Department of Chemistry, Columbia University, New York, NY 10027
| | - Scott J Dixon
- Department of Biology, Stanford University, Stanford, CA 94305
| | - Gabriela Carolina Pagnussat
- Instituto de Investigaciones Biológicas, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad Nacional de Mar del Plata, 7600 Mar del Plata, Argentina
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42
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Zhou LZ, Höwing T, Müller B, Hammes UZ, Gietl C, Dresselhaus T. Expression analysis of KDEL-CysEPs programmed cell death markers during reproduction in Arabidopsis. PLANT REPRODUCTION 2016; 29:265-72. [PMID: 27349421 DOI: 10.1007/s00497-016-0288-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2016] [Accepted: 06/14/2016] [Indexed: 05/23/2023]
Abstract
CEP cell death markers. Programmed cell death (PCD) is essential for proper plant growth and development. Plant-specific papain-type KDEL-tailed cysteine endopeptidases (KDEL-CysEPs or CEPs) have been shown to be involved in PCD during vegetative development as executors for the last step in the process. The Arabidopsis genome encodes three KDEL-CysEPs: AtCEP1, AtCEP2 and AtCEP3. With the help of fluorescent fusion reporter lines, we report here a detailed expression analysis of KDEL-CysEP (pro)proteins during reproductive processes, including flower organ and germline development, fertilization and seed development. AtCEP1 is highly expressed in different reproductive tissues including nucellus cells of mature ovule and the connecting edge of anther and filament. After fertilization, AtCEP1 marks integument cell layers of the seeds coat as well as suspensor and columella cells of the developing embryo. Promoter activity of AtCEP2 is detected in the style of immature and mature pistils, in other floral organs including anther, sepal and petal. AtCEP2 mainly localizes to parenchyma cells next to xylem vessels. Although there is no experimental evidence to demonstrate that KDEL-CysEPs are involved in PCD during fertilization, the expression pattern of AtCEPs, which were previously shown to represent cell death markers during vegetative development, opens up new avenues to investigate PCD in plant reproduction.
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Affiliation(s)
- Liang-Zi Zhou
- Cell Biology and Plant Biochemistry, Biochemie-Zentrum Regensburg, University of Regensburg, 93040, Regensburg, Germany
| | - Timo Höwing
- Center of Life and Food Sciences Weihenstephan, Lehrstuhl für Botanik, Technische Universität München, Emil-Ramann-Str. 4, 85350, Freising, Germany
| | - Benedikt Müller
- Cell Biology and Plant Biochemistry, Biochemie-Zentrum Regensburg, University of Regensburg, 93040, Regensburg, Germany
| | - Ulrich Z Hammes
- Cell Biology and Plant Biochemistry, Biochemie-Zentrum Regensburg, University of Regensburg, 93040, Regensburg, Germany
| | - Christine Gietl
- Center of Life and Food Sciences Weihenstephan, Lehrstuhl für Botanik, Technische Universität München, Emil-Ramann-Str. 4, 85350, Freising, Germany
| | - Thomas Dresselhaus
- Cell Biology and Plant Biochemistry, Biochemie-Zentrum Regensburg, University of Regensburg, 93040, Regensburg, Germany.
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43
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Zahid KR, Ali F, Shah F, Younas M, Shah T, Shahwar D, Hassan W, Ahmad Z, Qi C, Lu Y, Iqbal A, Wu W. Response and Tolerance Mechanism of Cotton Gossypium hirsutum L. to Elevated Temperature Stress: A Review. FRONTIERS IN PLANT SCIENCE 2016; 7:937. [PMID: 27446165 PMCID: PMC4927942 DOI: 10.3389/fpls.2016.00937] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2016] [Accepted: 06/13/2016] [Indexed: 05/23/2023]
Abstract
Cotton is an important multipurpose crop which is highly sensitive to both biotic and abiotic stresses. Proper management of this cash crop requires systematic understanding of various environmental conditions that are vital to yield and quality. High temperature stress can severely affect the viability of pollens and anther indehiscence, which leads to significant yield losses. Cotton can respond to withstand adverse environmental condition in several phases among which the accumulation of chemicals is extremely vital. Calcium, kinases, reactive oxygen species, carbohydrate, transcription factors, gene expression regulation, and plant hormones signaling pathways are playing a handy role in activating the major genes responsible to encounter and defend elevated temperature stress. The production of heat shock proteins is up-regulated when crops are unleashed to high temperature stress. Molecular breeding can play a functional role to identify superior genes for all the important attributes as well as provide breeder ready markers for developing ideotypes. The development of high-temperature resistant transgenic cultivars of cotton can grant a stability benefit and can also ameliorate the production capacity in response to elevated temperature.
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Affiliation(s)
- Kashif Rafiq Zahid
- Hubei Key Laboratory of Genetic Regulation and Integrative Biology, Central China Normal UniversityWuhan, China
| | - Farhan Ali
- Cereal Crops Research InstitutePirsabak, Nowshera, Pakistan
| | - Farooq Shah
- Department of Agriculture, Abdul Wali Khan University MardanKhyber Pakhtunkhwa, Pakistan
| | - Muhammad Younas
- Department of Biotechnology, Mohi-ud-Din Islamic UniversityAzad Jammu and Kashmir, Pakistan
| | - Tariq Shah
- Department of Agricultural Economics and Management, Huazhong Agricultural UniversityWuhan, China
| | - Durri Shahwar
- Department of Plant Breeding and Genetics, University of SwabiKhyber Pakhtunkhwa, Pakistan
| | - Waseem Hassan
- Department of Soil and Environmental Sciences, Muhammad Nawaz Shareef University of AgricultureMultan, Pakistan
| | - Zahoor Ahmad
- Key Lab of Crop Disease Monitoring and Safety Control, Huazhong Agricultural UniversityWuhan, China
| | - Chao Qi
- Hubei Key Laboratory of Genetic Regulation and Integrative Biology, Central China Normal UniversityWuhan, China
| | - Yanli Lu
- Maize Research Institute, Sichuan Agricultural UniversityWenjian Sichuan, China
| | - Amjad Iqbal
- Department of Agriculture, Abdul Wali Khan University MardanKhyber Pakhtunkhwa, Pakistan
| | - Wei Wu
- College of Agronomy, Northwest A&F UniversityYangling, China
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44
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Daneva A, Gao Z, Van Durme M, Nowack MK. Functions and Regulation of Programmed Cell Death in Plant Development. Annu Rev Cell Dev Biol 2016; 32:441-468. [PMID: 27298090 DOI: 10.1146/annurev-cellbio-111315-124915] [Citation(s) in RCA: 137] [Impact Index Per Article: 17.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Programmed cell death (PCD) is a collective term for diverse processes causing an actively induced, tightly controlled cellular suicide. PCD has a multitude of functions in the development and health of multicellular organisms. In comparison to intensively studied forms of animal PCD such as apoptosis, our knowledge of the regulation of PCD in plants remains limited. Despite the importance of PCD in plant development and as a response to biotic and abiotic stresses, the complex molecular networks controlling different forms of plant PCD are only just beginning to emerge. With this review, we provide an update on the considerable progress that has been made over the last decade in our understanding of PCD as an inherent part of plant development. We highlight both functions of developmental PCD and central aspects of its molecular regulation.
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Affiliation(s)
- Anna Daneva
- Department of Plant Systems Biology, VIB, B-9052 Ghent, Belgium; .,Department of Plant Biotechnology and Bioinformatics, Ghent University, B-9052 Ghent, Belgium
| | - Zhen Gao
- Department of Plant Systems Biology, VIB, B-9052 Ghent, Belgium; .,Department of Plant Biotechnology and Bioinformatics, Ghent University, B-9052 Ghent, Belgium
| | - Matthias Van Durme
- Department of Plant Systems Biology, VIB, B-9052 Ghent, Belgium; .,Department of Plant Biotechnology and Bioinformatics, Ghent University, B-9052 Ghent, Belgium
| | - Moritz K Nowack
- Department of Plant Systems Biology, VIB, B-9052 Ghent, Belgium; .,Department of Plant Biotechnology and Bioinformatics, Ghent University, B-9052 Ghent, Belgium
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45
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Abstract
Embryogenesis is a fascinating event during the plant life cycle encompassing several steps whereby the zygote develops into a fully developed embryo which, in angiosperms, is composed of an axis separating the apical meristems, and two cotyledons. Recapitulation of embryogenesis can also occur in vitro through somatic embryogenesis, where somatic cells are induced to form embryos, and androgenesis, in which embryos originate from immature male gametophytes. Besides cell division and differentiation, embryo patterning in vivo and in vitro requires the dismantling and selective elimination of cells and tissues via programmed cell death (PCD). While the manifestation of the death program has long been acknowledged in vivo, especially in relation to the elimination of the suspensor during the late phases of embryo development, PCD during in vitro embryogenesis has only been described in more recent years. Independent studies using the gymnosperm Norway spruce and the angiosperm maize have shown that the death program is crucial for the proper formation and further development of immature somatic embryos. This chapter summarizes the recent advances in the field of PCD during embryogenesis and proposes novel regulatory mechanisms activating the death program in plants.
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Affiliation(s)
- Shuanglong Huang
- Department of Plant Science, University of Manitoba, 222 Agriculture Building, Winnipeg, Canada, R3T2N2
| | - Mohamed M Mira
- Department of Botany, Faculty of Science, Tanta University, Tanta, 31527, Egypt
| | - Claudio Stasolla
- Department of Plant Science, University of Manitoba, 222 Agriculture Building, Winnipeg, Canada, R3T2N2.
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46
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Fourquin C, Beauzamy L, Chamot S, Creff A, Goodrich J, Boudaoud A, Ingram G. Mechanical stress mediated by both endosperm softening and embryo growth underlies endosperm elimination in Arabidopsis seeds. Development 2016; 143:3300-5. [DOI: 10.1242/dev.137224] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2016] [Accepted: 05/24/2016] [Indexed: 02/03/2023]
Abstract
Seed development in angiosperms demands the tightly co-ordinated development of three genetically distinct structures. The embryo is surrounded by the endosperm, which is in turn enclosed within the maternally derived seed coat. In Arabidopsis final seed size is determined by early expansion of the coenocytic endosperm, which then cellularizes and subsequently undergoes developmental Programmed Cell Death, breaking down as the embryo grows. Endosperm breakdown requires the endosperm-specific basic Helix Loop Helix transcription factor ZHOUPI. However, to date the mechanism underlying the Arabidopsis endosperm breakdown process has not been elucidated. Here we provide evidence that ZHOUPI does not induce the developmental Programmed Cell Death of the endosperm directly. Instead ZHOUPI indirectly triggers cell death by regulating the expression of cell wall modifying enzymes, thus altering the physical properties of the endosperm to condition a mechanical environment permitting the compression of the cellularized endosperm by the developing embryo.
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Affiliation(s)
- Chloé Fourquin
- Laboratoire Reproduction et Développement des Plantes, Univ Lyon, ENS de Lyon, UCB Lyon 1, CNRS, INRA, F-69342, Lyon, France
| | - Léna Beauzamy
- Laboratoire Reproduction et Développement des Plantes, Univ Lyon, ENS de Lyon, UCB Lyon 1, CNRS, INRA, F-69342, Lyon, France
| | - Sophy Chamot
- Laboratoire Reproduction et Développement des Plantes, Univ Lyon, ENS de Lyon, UCB Lyon 1, CNRS, INRA, F-69342, Lyon, France
| | - Audrey Creff
- Laboratoire Reproduction et Développement des Plantes, Univ Lyon, ENS de Lyon, UCB Lyon 1, CNRS, INRA, F-69342, Lyon, France
| | - Justin Goodrich
- University of Edinburgh, Institute of Molecular Plant Sciences, Daniel Rutherford Building, Edinburgh, EH9 3BF, UK
| | - Arezki Boudaoud
- Laboratoire Reproduction et Développement des Plantes, Univ Lyon, ENS de Lyon, UCB Lyon 1, CNRS, INRA, F-69342, Lyon, France
| | - Gwyneth Ingram
- Laboratoire Reproduction et Développement des Plantes, Univ Lyon, ENS de Lyon, UCB Lyon 1, CNRS, INRA, F-69342, Lyon, France
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47
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Van Aken O, Van Breusegem F. Licensed to Kill: Mitochondria, Chloroplasts, and Cell Death. TRENDS IN PLANT SCIENCE 2015; 20:754-766. [PMID: 26442680 DOI: 10.1016/j.tplants.2015.08.002] [Citation(s) in RCA: 103] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2015] [Revised: 08/03/2015] [Accepted: 08/10/2015] [Indexed: 05/18/2023]
Abstract
Programmed cell death (PCD) is crucial in plant organogenesis and survival. In this review the involvement of mitochondria and chloroplasts in PCD execution is critically assessed. Recent findings support a central role for mitochondria in PCD, with newly identified components of the mitochondrial electron transport chain (mETC), FOF1 ATP synthase, cardiolipins, and ATPase AtOM66. While chloroplasts received less attention, their contribution to PCD is well supported, suggesting that they possibly contribute by producing reactive oxygen species (ROS) in the presence of light or even contribute through cytochrome f release. Finally we discuss two working models where mitochondria and chloroplasts could cooperatively execute PCD: mitochondria initiate the commitment steps and recruit chloroplasts for swift execution or, alternatively, mitochondria and chloroplasts could operate in parallel.
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Affiliation(s)
- Olivier Van Aken
- ARC Centre of Excellence in Plant Energy Biology, University of Western Australia, Crawley, Australia.
| | - Frank Van Breusegem
- Department of Plant Systems Biology, VIB, Ghent University, B-9052 Gent, Belgium; Department of Plant Biotechnology and Bioinformatics, Ghent University, B-9052 Gent, Belgium
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48
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Ingram G, Gutierrez-Marcos J. Peptide signalling during angiosperm seed development. JOURNAL OF EXPERIMENTAL BOTANY 2015. [PMID: 26195729 DOI: 10.1093/jxb/erv336] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/09/2023]
Abstract
Cell-cell communication is pivotal for the coordination of various features of plant development. Recent studies in plants have revealed that, as in animals, secreted signal peptides play critical roles during reproduction. However, the precise signalling mechanisms in plants are not well understood. In this review, we discuss the known and putative roles of secreted peptides present in the seeds of angiosperms as key signalling factors involved in coordinating different aspects of seed development.
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Affiliation(s)
- Gwyneth Ingram
- Laboratoire Reproduction et Développement des Plantes, UMR 5667 CNRS/UMR 0879 INRA, ENS de Lyon, 46 Allée d'Italie, 69364 Lyon Cedex 07, France
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49
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Tavormina P, De Coninck B, Nikonorova N, De Smet I, Cammue BPA. The Plant Peptidome: An Expanding Repertoire of Structural Features and Biological Functions. THE PLANT CELL 2015; 27:2095-118. [PMID: 26276833 PMCID: PMC4568509 DOI: 10.1105/tpc.15.00440] [Citation(s) in RCA: 207] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2015] [Revised: 07/08/2015] [Accepted: 07/25/2015] [Indexed: 05/18/2023]
Abstract
Peptides fulfill a plethora of functions in plant growth, development, and stress responses. They act as key components of cell-to-cell communication, interfere with signaling and response pathways, or display antimicrobial activity. Strikingly, both the diversity and amount of plant peptides have been largely underestimated. Most characterized plant peptides to date acting as small signaling peptides or antimicrobial peptides are derived from nonfunctional precursor proteins. However, evidence is emerging on peptides derived from a functional protein, directly translated from small open reading frames (without the involvement of a precursor) or even encoded by primary transcripts of microRNAs. These novel types of peptides further add to the complexity of the plant peptidome, even though their number is still limited and functional characterization as well as translational evidence are often controversial. Here, we provide a comprehensive overview of the reported types of plant peptides, including their described functional and structural properties. We propose a novel, unifying peptide classification system to emphasize the enormous diversity in peptide synthesis and consequent complexity of the still expanding knowledge on the plant peptidome.
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Affiliation(s)
- Patrizia Tavormina
- Centre of Microbial and Plant Genetics, Department of Microbial and Molecular Systems, University of Leuven (KU Leuven), B-3000 Leuven, Belgium Department of Plant Systems Biology, VIB, B-9052 Ghent, Belgium
| | - Barbara De Coninck
- Centre of Microbial and Plant Genetics, Department of Microbial and Molecular Systems, University of Leuven (KU Leuven), B-3000 Leuven, Belgium Department of Plant Systems Biology, VIB, B-9052 Ghent, Belgium
| | - Natalia Nikonorova
- Department of Plant Systems Biology, VIB, B-9052 Ghent, Belgium Department of Plant Biotechnology and Genetics, Ghent University, B-9052 Ghent, Belgium
| | - Ive De Smet
- Department of Plant Systems Biology, VIB, B-9052 Ghent, Belgium Department of Plant Biotechnology and Genetics, Ghent University, B-9052 Ghent, Belgium Division of Plant and Crop Sciences, School of Biosciences, University of Nottingham, Leicestershire LE12 5RD, United Kingdom Centre for Plant Integrative Biology, School of Biosciences, University of Nottingham, Loughborough LE12 5RD, United Kingdom
| | - Bruno P A Cammue
- Centre of Microbial and Plant Genetics, Department of Microbial and Molecular Systems, University of Leuven (KU Leuven), B-3000 Leuven, Belgium Department of Plant Systems Biology, VIB, B-9052 Ghent, Belgium
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Sulmon C, van Baaren J, Cabello-Hurtado F, Gouesbet G, Hennion F, Mony C, Renault D, Bormans M, El Amrani A, Wiegand C, Gérard C. Abiotic stressors and stress responses: What commonalities appear between species across biological organization levels? ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2015; 202:66-77. [PMID: 25813422 DOI: 10.1016/j.envpol.2015.03.013] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2014] [Revised: 03/12/2015] [Accepted: 03/13/2015] [Indexed: 05/07/2023]
Abstract
Organisms are regularly subjected to abiotic stressors related to increasing anthropogenic activities, including chemicals and climatic changes that induce major stresses. Based on various key taxa involved in ecosystem functioning (photosynthetic microorganisms, plants, invertebrates), we review how organisms respond and adapt to chemical- and temperature-induced stresses from molecular to population level. Using field-realistic studies, our integrative analysis aims to compare i) how molecular and physiological mechanisms related to protection, repair and energy allocation can impact life history traits of stressed organisms, and ii) to what extent trait responses influence individual and population responses. Common response mechanisms are evident at molecular and cellular scales but become rather difficult to define at higher levels due to evolutionary distance and environmental complexity. We provide new insights into the understanding of the impact of molecular and cellular responses on individual and population dynamics and assess the potential related effects on communities and ecosystem functioning.
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Affiliation(s)
- Cécile Sulmon
- UMR CNRS 6553 ECOBIO, Université de Rennes 1, 263 Avenue du Général Leclerc, 35042 Rennes Cedex, France.
| | - Joan van Baaren
- UMR CNRS 6553 ECOBIO, Université de Rennes 1, 263 Avenue du Général Leclerc, 35042 Rennes Cedex, France
| | - Francisco Cabello-Hurtado
- UMR CNRS 6553 ECOBIO, Université de Rennes 1, 263 Avenue du Général Leclerc, 35042 Rennes Cedex, France
| | - Gwenola Gouesbet
- UMR CNRS 6553 ECOBIO, Université de Rennes 1, 263 Avenue du Général Leclerc, 35042 Rennes Cedex, France
| | - Françoise Hennion
- UMR CNRS 6553 ECOBIO, Université de Rennes 1, 263 Avenue du Général Leclerc, 35042 Rennes Cedex, France
| | - Cendrine Mony
- UMR CNRS 6553 ECOBIO, Université de Rennes 1, 263 Avenue du Général Leclerc, 35042 Rennes Cedex, France
| | - David Renault
- UMR CNRS 6553 ECOBIO, Université de Rennes 1, 263 Avenue du Général Leclerc, 35042 Rennes Cedex, France
| | - Myriam Bormans
- UMR CNRS 6553 ECOBIO, Université de Rennes 1, 263 Avenue du Général Leclerc, 35042 Rennes Cedex, France
| | - Abdelhak El Amrani
- UMR CNRS 6553 ECOBIO, Université de Rennes 1, 263 Avenue du Général Leclerc, 35042 Rennes Cedex, France
| | - Claudia Wiegand
- UMR CNRS 6553 ECOBIO, Université de Rennes 1, 263 Avenue du Général Leclerc, 35042 Rennes Cedex, France; Biologisk Institut, Syddansk Universitet, Campusvej 55, 5230 Odense M, Denmark
| | - Claudia Gérard
- UMR CNRS 6553 ECOBIO, Université de Rennes 1, 263 Avenue du Général Leclerc, 35042 Rennes Cedex, France.
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