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Mathieu L, Ballini E, Morel JB, Méteignier LV. The root of plant-plant interactions: Belowground special cocktails. CURRENT OPINION IN PLANT BIOLOGY 2024; 80:102547. [PMID: 38749206 DOI: 10.1016/j.pbi.2024.102547] [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: 03/13/2024] [Revised: 04/16/2024] [Accepted: 04/18/2024] [Indexed: 06/14/2024]
Abstract
Plants interact with each other via a multitude of processes among which belowground communication facilitated by specialized metabolites plays an important but overlooked role. Until now, the exact targets, modes of action, and resulting phenotypes that these metabolites induce in neighboring plants have remained largely unknown. Moreover, positive interactions driven by the release of root exudates are prevalent in both natural field conditions and controlled laboratory environments. In particular, intraspecific positive interactions suggest a genotypic recognition mechanism in addition to non-self perception in plant roots. This review concentrates on recent discoveries regarding how plants interact with one another through belowground signals in intra- and interspecific mixtures. Furthermore, we elaborate on how an enhanced understanding of these interactions can propel the field of agroecology forward.
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Affiliation(s)
- Laura Mathieu
- PHIM Plant Health Institute, Univ Montpellier, INRAE, CIRAD, Institut Agro, IRD, Montpellier, France
| | - Elsa Ballini
- PHIM Plant Health Institute, Univ Montpellier, INRAE, CIRAD, Institut Agro, IRD, Montpellier, France
| | - Jean-Benoit Morel
- PHIM Plant Health Institute, Univ Montpellier, INRAE, CIRAD, Institut Agro, IRD, Montpellier, France
| | - Louis-Valentin Méteignier
- PHIM Plant Health Institute, Univ Montpellier, INRAE, CIRAD, Institut Agro, IRD, Montpellier, France.
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2
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Shetti D, Mallela VR, Ye W, Sharif M, Ambrozkiewicz F, Trailin A, Liška V, Hemminki K. Emerging role of circulating cell-free RNA as a non-invasive biomarker for hepatocellular carcinoma. Crit Rev Oncol Hematol 2024; 200:104391. [PMID: 38795877 DOI: 10.1016/j.critrevonc.2024.104391] [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: 03/14/2024] [Revised: 04/30/2024] [Accepted: 05/19/2024] [Indexed: 05/28/2024] Open
Abstract
Hepatocellular carcinoma (HCC) is a severe neoplastic disease associated with high morbidity and mortality rates. HCC is often detected at advanced stages leading to ineffective curative treatments. Recently, liquid biopsy has emerged as a non-invasive method to identify highly specific HCC biomarkers in bodily fluids such as blood, serum, urine, and saliva. Circulating cell-free nucleic acids (cfNAs), particularly cell-free DNA (cfDNA) and cell-free RNA (cfRNA), have become promising candidates for biomarkers in liquid biopsy applications. While cfDNA presented significant challenges, researchers have turned their attention to cfRNA, which can be efficiently identified through various methods and is considered a potential biomarker for cancer diagnosis and prognosis. This review primarily focuses on studies related to detecting various cfRNA in body fluids as biomarkers. The aim is to provide a summary of available information to assist researchers in their investigations and the development of new diagnostic and prognostic tools.
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Affiliation(s)
- Dattatrya Shetti
- Laboratory of Translational Cancer Genomics, Biomedical Center, Faculty of Medicine in Pilsen, Charles University, Alej Svobody 1665/76, Pilsen 323 00, Czech Republic.
| | - Venkata Ramana Mallela
- Laboratory of Translational Cancer Genomics, Biomedical Center, Faculty of Medicine in Pilsen, Charles University, Alej Svobody 1665/76, Pilsen 323 00, Czech Republic
| | - Wenjing Ye
- Laboratory of Translational Cancer Genomics, Biomedical Center, Faculty of Medicine in Pilsen, Charles University, Alej Svobody 1665/76, Pilsen 323 00, Czech Republic
| | - Mahyar Sharif
- Department of Histology and Embryology, Faculty of Medicine in Pilsen, Charles University,Alej Svobody 1665/76, Pilsen 323 00, Czech Republic
| | - Filip Ambrozkiewicz
- Laboratory of Translational Cancer Genomics, Biomedical Center, Faculty of Medicine in Pilsen, Charles University, Alej Svobody 1665/76, Pilsen 323 00, Czech Republic
| | - Andriy Trailin
- Laboratory of Translational Cancer Genomics, Biomedical Center, Faculty of Medicine in Pilsen, Charles University, Alej Svobody 1665/76, Pilsen 323 00, Czech Republic
| | - Václav Liška
- Laboratory of Cancer Treatment and Tissue Regeneration, Biomedical Center, Faculty of Medicine in Pilsen, Charles University, Alej Svobody 1665/76, Pilsen 323 00, Czech Republic; Department of Surgery, University Hospital in Pilsen and Faculty of Medicine in Pilsen, Charles University, Alej Svobody 80, Pilsen 323 00, Czech Republic
| | - Kari Hemminki
- Laboratory of Translational Cancer Genomics, Biomedical Center, Faculty of Medicine in Pilsen, Charles University, Alej Svobody 1665/76, Pilsen 323 00, Czech Republic; Department of Cancer Epidemiology, German Cancer Research Center, Im Neuenheimer Feld 280, Heidelberg 69120, Germany
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Castellano M, Blanco V, Calzi ML, Costa B, Witwer K, Hill M, Cayota A, Segovia M, Tosar JP. Ribonuclease activity undermines immune sensing of naked extracellular RNA. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.04.23.590771. [PMID: 38712104 PMCID: PMC11071435 DOI: 10.1101/2024.04.23.590771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2024]
Abstract
The plasma membrane and the membrane of endosomal vesicles are considered physical barriers preventing extracellular RNA uptake. While naked RNA can be spontaneously internalized by certain cells types, functional delivery of naked RNA into the cytosol has been rarely observed. Here we show that extracellular ribonucleases, mainly derived from cell culture supplements, have so far hindered the study of extracellular RNA functionality. In the presence of active ribonuclease inhibitors (RI), naked bacterial RNA is pro-inflammatory when spiked in the media of dendritic cells and macrophages. In murine cells, this response mainly depends on the action of endosomal Toll-like receptors. However, we also show that naked RNA can perform endosomal escape and engage with cytosolic RNA sensors and ribosomes. For example, naked mRNAs encoding reporter proteins can be spontaneously internalized and translated by a variety of cell types, in an RI-dependent manner. In vivo, RI co-injection enhances the activation induced by naked extracellular RNA on splenic lymphocytes and myeloid-derived leukocytes. Furthermore, naked extracellular RNA is inherently pro-inflammatory in ribonuclease-poor compartments such as the peritoneal cavity. Overall, these results demonstrate that naked RNA is bioactive and does not need encapsulation inside synthetic or biological lipid vesicles for functional uptake, making a case for nonvesicular extracellular RNA-mediated intercellular communication.
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Affiliation(s)
- Mauricio Castellano
- Functional Genomics Laboratory, Institut Pasteur Montevideo, Uruguay
- Immunoregulation and Inflammation Laboratory, Institut Pasteur Montevideo, Uruguay
| | - Valentina Blanco
- Functional Genomics Laboratory, Institut Pasteur Montevideo, Uruguay
| | - Marco Li Calzi
- Functional Genomics Laboratory, Institut Pasteur Montevideo, Uruguay
| | - Bruno Costa
- Functional Genomics Laboratory, Institut Pasteur Montevideo, Uruguay
- Analytical Biochemistry Unit, School of Science, Universidad de la República, Uruguay
| | - Kenneth Witwer
- Department of Molecular and Comparative Pathobiology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
- EV Core Facility “EXCEL”, Institute for Basic Biomedical Sciences, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
- The Richman Family Precision Medicine Center of Excellence in Alzheimer’s Disease, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Marcelo Hill
- Immunoregulation and Inflammation Laboratory, Institut Pasteur Montevideo, Uruguay
- Academic Unit of Immunobiology, School of Medicine, Universidad de la República, Uruguay
| | - Alfonso Cayota
- Functional Genomics Laboratory, Institut Pasteur Montevideo, Uruguay
- Hospital de Clínicas, Universidad de la República, Uruguay
| | - Mercedes Segovia
- Immunoregulation and Inflammation Laboratory, Institut Pasteur Montevideo, Uruguay
- Academic Unit of Immunobiology, School of Medicine, Universidad de la República, Uruguay
| | - Juan Pablo Tosar
- Functional Genomics Laboratory, Institut Pasteur Montevideo, Uruguay
- Analytical Biochemistry Unit, School of Science, Universidad de la República, Uruguay
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Yong J, Wu M, Carroll BJ, Xu ZP, Zhang R. Enhancing plant biotechnology by nanoparticle delivery of nucleic acids. Trends Genet 2024; 40:352-363. [PMID: 38320883 DOI: 10.1016/j.tig.2024.01.005] [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: 11/30/2023] [Revised: 01/12/2024] [Accepted: 01/12/2024] [Indexed: 02/08/2024]
Abstract
Plant biotechnology plays a crucial role in developing modern agriculture and plant science research. However, the delivery of exogenous genetic material into plants has been a long-standing obstacle. Nanoparticle-based delivery systems are being established to address this limitation and are proving to be a feasible, versatile, and efficient approach to facilitate the internalization of functional RNA and DNA by plants. The nanoparticle-based delivery systems can also be designed for subcellular delivery and controlled release of the biomolecular cargo. In this review, we provide a concise overview of the recent advances in nanocarriers for the delivery of biomolecules into plants, with a specific focus on applications to enhance RNA interference, foreign gene transfer, and genome editing in plants.
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Affiliation(s)
- Jiaxi Yong
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, Queensland 4072, Australia; Centre for Horticultural Science, Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, St Lucia, Queensland 4072, Australia
| | - Miaomiao Wu
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, Queensland 4072, Australia
| | - Bernard J Carroll
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Zhi Ping Xu
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, Queensland 4072, Australia; Institute of Biomedical Health Technology and Engineering and Institute of Systems and Physical Biology, Shenzhen Bay Laboratory, Shenzhen, P. R. China 518107
| | - Run Zhang
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, Queensland 4072, Australia; Centre for Nutrition and Food Sciences, Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, Indooroopilly, Queensland 4068, Australia.
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Kitagawa M, Tran TM, Jackson D. Traveling with purpose: cell-to-cell transport of plant mRNAs. Trends Cell Biol 2024; 34:48-57. [PMID: 37380581 DOI: 10.1016/j.tcb.2023.05.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 05/19/2023] [Accepted: 05/29/2023] [Indexed: 06/30/2023]
Abstract
Messenger RNAs (mRNAs) in multicellular organisms can act as signals transported cell-to-cell and over long distances. In plants, mRNAs traffic cell-to-cell via plasmodesmata (PDs) and over long distances via the phloem vascular system to control diverse biological processes - such as cell fate and tissue patterning - in destination organs. Research on long-distance transport of mRNAs in plants has made remarkable progress, including the cataloguing of many mobile mRNAs, characterization of mRNA features important for transport, identification of mRNA-binding proteins involved in their transport, and understanding of the physiological roles of mRNA transport. However, information on short-range mRNA cell-to-cell transport is still limited. This review discusses the regulatory mechanisms and physiological functions of mRNA transport at the cellular and whole plant levels.
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Affiliation(s)
- Munenori Kitagawa
- National Key Laboratory for Germplasm Innovation & Utilization of Horticultural Crops, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Thu M Tran
- Cold Spring Harbor Laboratory, Cold Spring Harbor, NY 11724, USA
| | - David Jackson
- Cold Spring Harbor Laboratory, Cold Spring Harbor, NY 11724, USA.
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Parperides E, El Mounadi K, Garcia‐Ruiz H. Induction and suppression of gene silencing in plants by nonviral microbes. MOLECULAR PLANT PATHOLOGY 2023; 24:1347-1356. [PMID: 37438989 PMCID: PMC10502822 DOI: 10.1111/mpp.13362] [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: 04/18/2023] [Revised: 05/22/2023] [Accepted: 05/23/2023] [Indexed: 07/14/2023]
Abstract
Gene silencing is a conserved mechanism in eukaryotes that dynamically regulates gene expression. In plants, gene silencing is critical for development and for maintenance of genome integrity. Additionally, it is a critical component of antiviral defence in plants, nematodes, insects, and fungi. To overcome gene silencing, viruses encode effectors that suppress gene silencing. A growing body of evidence shows that gene silencing and suppression of silencing are also used by plants during their interaction with nonviral pathogens such as fungi, oomycetes, and bacteria. Plant-pathogen interactions involve trans-kingdom movement of small RNAs into the pathogens to alter the function of genes required for their development and virulence. In turn, plant-associated pathogenic and nonpathogenic microbes also produce small RNAs that move trans-kingdom into host plants to disrupt pathogen defence through silencing of plant genes. The mechanisms by which these small RNAs move from the microbe to the plant remain poorly understood. In this review, we examine the roles of trans-kingdom small RNAs and silencing suppressors produced by nonviral microbes in inducing and suppressing gene silencing in plants. The emerging model is that gene silencing and suppression of silencing play critical roles in the interactions between plants and their associated nonviral microbes.
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Affiliation(s)
- Eric Parperides
- Department of Plant Pathology and Nebraska Center for VirologyUniversity of Nebraska‐LincolnLincolnNebraskaUSA
| | - Kaoutar El Mounadi
- Department of BiologyKutztown University of PennsylvaniaKutztownPennsylvaniaUSA
| | - Hernan Garcia‐Ruiz
- Department of Plant Pathology and Nebraska Center for VirologyUniversity of Nebraska‐LincolnLincolnNebraskaUSA
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Wegner L, Porth ML, Ehlers K. Multicellularity and the Need for Communication-A Systematic Overview on (Algal) Plasmodesmata and Other Types of Symplasmic Cell Connections. PLANTS (BASEL, SWITZERLAND) 2023; 12:3342. [PMID: 37765506 PMCID: PMC10536634 DOI: 10.3390/plants12183342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Revised: 09/14/2023] [Accepted: 09/15/2023] [Indexed: 09/29/2023]
Abstract
In the evolution of eukaryotes, the transition from unicellular to simple multicellular organisms has happened multiple times. For the development of complex multicellularity, characterized by sophisticated body plans and division of labor between specialized cells, symplasmic intercellular communication is supposed to be indispensable. We review the diversity of symplasmic connectivity among the eukaryotes and distinguish between distinct types of non-plasmodesmatal connections, plasmodesmata-like structures, and 'canonical' plasmodesmata on the basis of developmental, structural, and functional criteria. Focusing on the occurrence of plasmodesmata (-like) structures in extant taxa of fungi, brown algae (Phaeophyceae), green algae (Chlorophyta), and streptophyte algae, we present a detailed critical update on the available literature which is adapted to the present classification of these taxa and may serve as a tool for future work. From the data, we conclude that, actually, development of complex multicellularity correlates with symplasmic connectivity in many algal taxa, but there might be alternative routes. Furthermore, we deduce a four-step process towards the evolution of canonical plasmodesmata and demonstrate similarity of plasmodesmata in streptophyte algae and land plants with respect to the occurrence of an ER component. Finally, we discuss the urgent need for functional investigations and molecular work on cell connections in algal organisms.
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Affiliation(s)
- Linus Wegner
- Institute of Botany, Justus-Liebig University, D-35392 Giessen, Germany
| | | | - Katrin Ehlers
- Institute of Botany, Justus-Liebig University, D-35392 Giessen, Germany
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Marquardt S, Manavella PA. A ribose world: current status and future challenges of plant RNA biology. JOURNAL OF EXPERIMENTAL BOTANY 2023; 74:2203-2207. [PMID: 37031364 PMCID: PMC10082927 DOI: 10.1093/jxb/erad070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Accepted: 02/23/2023] [Indexed: 06/06/2023]
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