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Hadizadeh I, Peivastegan B, Nielsen KL, Auvinen P, Sipari N, Pirhonen M. Transcriptome analysis unravels the biocontrol mechanism of Serratia plymuthica A30 against potato soft rot caused by Dickeya solani. PLoS One 2024; 19:e0308744. [PMID: 39240997 PMCID: PMC11379202 DOI: 10.1371/journal.pone.0308744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Accepted: 07/29/2024] [Indexed: 09/08/2024] Open
Abstract
Endophytic bacterium Serratia plymuthica A30 was identified as a superior biocontrol agent due to its effective colonization of potato tuber, tolerance to cold conditions, and strong inhibitory action against various soft rot pathogens, including Dickeya solani. We characterized transcriptome changes in potato tubers inoculated with S. plymuthica A30, D. solani, or both at the early and the late phases of interaction. At the early phase and in the absence of the pathogen, A30 influenced the microbial recognition system to initiate plant priming. In the presence of the pathogen alongside biocontrol strain, defense signaling was highly stimulated, characterized by the induction of genes involved in the detoxification system, reinforcement of cell wall structure, and production of antimicrobial metabolites, highlighting A30's role in enhancing the host resistance against pathogen attack. This A30-induced resistance relied on the early activation of jasmonic acid signaling and its production in tubers, while defense signaling mediated by salicylic acid was suppressed. In the late phase, A30 actively interferes with plant immunity by inhibiting stress- and defense-related genes expression. Simultaneously, the genes involved in cell wall remodeling and indole-3-acetic acid signaling were activated, thereby enhancing cell wall remodeling to establish symbiotic relationship with the host. The endophytic colonization of A30 coincided with the induction of genes involved in the biosynthesis and signaling of ethylene and abscisic acid, while downregulating those related to gibberellic acid and cytokinin. This combination suggested fitness benefits for potato tubers by preserving dormancy, and delaying sprouting, which affects durability of tubers during storage. This study contributes valuable insights into the tripartite interaction among S. plymuthica A30, D. solani, and potato tubers, facilitating the development of biocontrol system for soft rot pathogens under storage conditions.
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Affiliation(s)
- Iman Hadizadeh
- Department of Agricultural Sciences, University of Helsinki, Helsinki, Finland
| | - Bahram Peivastegan
- Department of Agricultural Sciences, University of Helsinki, Helsinki, Finland
| | | | - Petri Auvinen
- Institute of Biotechnology, University of Helsinki, Helsinki, Finland
| | - Nina Sipari
- Faculty of Biological and Environmental Sciences, Viikki Metabolomics Unit, University of Helsinki, Helsinki, Finland
| | - Minna Pirhonen
- Department of Agricultural Sciences, University of Helsinki, Helsinki, Finland
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2
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Rosenkranz RRE, Ullrich S, Löchli K, Simm S, Fragkostefanakis S. Relevance and Regulation of Alternative Splicing in Plant Heat Stress Response: Current Understanding and Future Directions. FRONTIERS IN PLANT SCIENCE 2022; 13:911277. [PMID: 35812973 PMCID: PMC9260394 DOI: 10.3389/fpls.2022.911277] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2022] [Accepted: 05/26/2022] [Indexed: 05/26/2023]
Abstract
Alternative splicing (AS) is a major mechanism for gene expression in eukaryotes, increasing proteome diversity but also regulating transcriptome abundance. High temperatures have a strong impact on the splicing profile of many genes and therefore AS is considered as an integral part of heat stress response. While many studies have established a detailed description of the diversity of the RNAome under heat stress in different plant species and stress regimes, little is known on the underlying mechanisms that control this temperature-sensitive process. AS is mainly regulated by the activity of splicing regulators. Changes in the abundance of these proteins through transcription and AS, post-translational modifications and interactions with exonic and intronic cis-elements and core elements of the spliceosomes modulate the outcome of pre-mRNA splicing. As a major part of pre-mRNAs are spliced co-transcriptionally, the chromatin environment along with the RNA polymerase II elongation play a major role in the regulation of pre-mRNA splicing under heat stress conditions. Despite its importance, our understanding on the regulation of heat stress sensitive AS in plants is scarce. In this review, we summarize the current status of knowledge on the regulation of AS in plants under heat stress conditions. We discuss possible implications of different pathways based on results from non-plant systems to provide a perspective for researchers who aim to elucidate the molecular basis of AS under high temperatures.
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Affiliation(s)
| | - Sarah Ullrich
- Molecular Cell Biology of Plants, Goethe University Frankfurt, Frankfurt, Germany
| | - Karin Löchli
- Molecular Cell Biology of Plants, Goethe University Frankfurt, Frankfurt, Germany
| | - Stefan Simm
- Institute of Bioinformatics, University Medicine Greifswald, Greifswald, Germany
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Utsumi Y, Tanaka M, Utsumi C, Takahashi S, Matsui A, Fukushima A, Kobayashi M, Sasaki R, Oikawa A, Kusano M, Saito K, Kojima M, Sakakibara H, Sojikul P, Narangajavana J, Seki M. Integrative omics approaches revealed a crosstalk among phytohormones during tuberous root development in cassava. PLANT MOLECULAR BIOLOGY 2022; 109:249-269. [PMID: 32757126 DOI: 10.1007/s11103-020-01033-8] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Accepted: 07/06/2020] [Indexed: 05/23/2023]
Abstract
Integrative omics approaches revealed a crosstalk among phytohormones during tuberous root development in cassava. Tuberous root formation is a complex process consisting of phase changes as well as cell division and elongation for radial growth. We performed an integrated analysis to clarify the relationships among metabolites, phytohormones, and gene transcription during tuberous root formation in cassava (Manihot esculenta Crantz). We also confirmed the effects of the auxin (AUX), cytokinin (CK), abscisic acid (ABA), jasmonic acid (JA), gibberellin (GA), brassinosteroid (BR), salicylic acid, and indole-3-acetic acid conjugated with aspartic acid on tuberous root development. An integrated analysis of metabolites and gene expression indicated the expression levels of several genes encoding enzymes involved in starch biosynthesis and sucrose metabolism are up-regulated during tuberous root development, which is consistent with the accumulation of starch, sugar phosphates, and nucleotides. An integrated analysis of phytohormones and gene transcripts revealed a relationship among AUX signaling, CK signaling, and BR signaling, with AUX, CK, and BR inducing tuberous root development. In contrast, ABA and JA inhibited tuberous root development. These phenomena might represent the differences between stem tubers (e.g., potato) and root tubers (e.g., cassava). On the basis of these results, a phytohormonal regulatory model for tuberous root development was constructed. This model may be useful for future phytohormonal studies involving cassava.
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Affiliation(s)
- Yoshinori Utsumi
- RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa, 230-0045, Japan.
| | - Maho Tanaka
- RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa, 230-0045, Japan
- RIKEN Cluster for Pioneering Research, 2-1 Hirosawa, Wako, Saitama, 351-0198, Japan
| | - Chikako Utsumi
- RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa, 230-0045, Japan
| | - Satoshi Takahashi
- RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa, 230-0045, Japan
- RIKEN Cluster for Pioneering Research, 2-1 Hirosawa, Wako, Saitama, 351-0198, Japan
| | - Akihiro Matsui
- RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa, 230-0045, Japan
- RIKEN Cluster for Pioneering Research, 2-1 Hirosawa, Wako, Saitama, 351-0198, Japan
| | - Atsushi Fukushima
- RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa, 230-0045, Japan
| | - Makoto Kobayashi
- RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa, 230-0045, Japan
| | - Ryosuke Sasaki
- RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa, 230-0045, Japan
| | - Akira Oikawa
- RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa, 230-0045, Japan
- Faculty of Agriculture, Yamagata University, Tsuruoka, Japan
| | - Miyako Kusano
- RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa, 230-0045, Japan
- Graduate School of Life and Environmental Sciences, University of Tsukuba, Tsukuba, Ibaraki, 305-8572, Japan
| | - Kazuki Saito
- RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa, 230-0045, Japan
- Graduate School of Pharmaceutical Sciences, Chiba University, Chiba, Chiba, 260-8675, Japan
| | - Mikiko Kojima
- RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa, 230-0045, Japan
| | - Hitoshi Sakakibara
- RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa, 230-0045, Japan
- Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya, 464-8601, Japan
| | - Punchapat Sojikul
- Department of Biotechnology, Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Jarunya Narangajavana
- Department of Biotechnology, Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Motoaki Seki
- RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa, 230-0045, Japan.
- RIKEN Cluster for Pioneering Research, 2-1 Hirosawa, Wako, Saitama, 351-0198, Japan.
- Kihara Institute for Biological Research, Yokohama City University, 641-12 Maioka-cho, Totsuka-ku, Yokohama, Kanagawa, 244-0813, Japan.
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Kondhare KR, Patil AB, Giri AP. Auxin: An emerging regulator of tuber and storage root development. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2021; 306:110854. [PMID: 33775360 DOI: 10.1016/j.plantsci.2021.110854] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 01/30/2021] [Accepted: 02/14/2021] [Indexed: 06/12/2023]
Abstract
Many tuber and storage root crops owing to their high nutritional values offer high potential to overcome food security issues. The lack of information regarding molecular mechanisms that govern belowground storage organ development (except a tuber crop, potato) has limited the application of biotechnological strategies for improving storage crop yield. Phytohormones like gibberellin and cytokinin are known to play a crucial role in governing potato tuber development. Another phytohormone, auxin has been shown to induce tuber initiation and growth, and its crosstalk with gibberellin and strigolactone in a belowground modified stem (stolon) contributes to the overall potato tuber yield. In this review, we describe the crucial role of auxin biology in development of potato tubers. Considering the emerging reports from commercially important storage root crops (sweet potato, cassava, carrot, sugar beet and radish), we propose the function of auxin and related gene regulatory network in storage root development. The pattern of auxin content of stolon during various stages of potato tuber formation appears to be consistent with its level in various developmental stages of storage roots. We have also put-forward the potential of three-way interaction between auxin, strigolactone and mycorrhizal fungi in tuber and storage root development. Overall, we propose that auxin gene regulatory network and its crosstalk with other phytohormones in stolons/roots could govern belowground tuber and storage root development.
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Affiliation(s)
- Kirtikumar R Kondhare
- Plant Molecular Biology Unit, Biochemical Sciences Division, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune 411008, Maharashtra, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, Uttar Pradesh, India.
| | - Aruna B Patil
- Plant Molecular Biology Unit, Biochemical Sciences Division, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune 411008, Maharashtra, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, Uttar Pradesh, India
| | - Ashok P Giri
- Plant Molecular Biology Unit, Biochemical Sciences Division, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune 411008, Maharashtra, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, Uttar Pradesh, India
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Ambrosino L, Colantuono C, Diretto G, Fiore A, Chiusano ML. Bioinformatics Resources for Plant Abiotic Stress Responses: State of the Art and Opportunities in the Fast Evolving -Omics Era. PLANTS 2020; 9:plants9050591. [PMID: 32384671 PMCID: PMC7285221 DOI: 10.3390/plants9050591] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 04/24/2020] [Accepted: 04/29/2020] [Indexed: 12/13/2022]
Abstract
Abiotic stresses are among the principal limiting factors for productivity in agriculture. In the current era of continuous climate changes, the understanding of the molecular aspects involved in abiotic stress response in plants is a priority. The rise of -omics approaches provides key strategies to promote effective research in the field, facilitating the investigations from reference models to an increasing number of species, tolerant and sensitive genotypes. Integrated multilevel approaches, based on molecular investigations at genomics, transcriptomics, proteomics and metabolomics levels, are now feasible, expanding the opportunities to clarify key molecular aspects involved in responses to abiotic stresses. To this aim, bioinformatics has become fundamental for data production, mining and integration, and necessary for extracting valuable information and for comparative efforts, paving the way to the modeling of the involved processes. We provide here an overview of bioinformatics resources for research on plant abiotic stresses, describing collections from -omics efforts in the field, ranging from raw data to complete databases or platforms, highlighting opportunities and still open challenges in abiotic stress research based on -omics technologies.
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Affiliation(s)
- Luca Ambrosino
- Department of Agricultural Sciences, University of Naples Federico II, 80055 Portici (Na), Italy; (L.A.); (C.C.)
- Department of Research Infrastructures for Marine Biological Resources (RIMAR), 80121 Naples, Italy
| | - Chiara Colantuono
- Department of Agricultural Sciences, University of Naples Federico II, 80055 Portici (Na), Italy; (L.A.); (C.C.)
- Department of Research Infrastructures for Marine Biological Resources (RIMAR), 80121 Naples, Italy
| | - Gianfranco Diretto
- Italian National Agency for New Technologies, Energy and Sustainable Economic Development (ENEA), 00123 Rome, Italy; (G.D.); (A.F.)
| | - Alessia Fiore
- Italian National Agency for New Technologies, Energy and Sustainable Economic Development (ENEA), 00123 Rome, Italy; (G.D.); (A.F.)
| | - Maria Luisa Chiusano
- Department of Agricultural Sciences, University of Naples Federico II, 80055 Portici (Na), Italy; (L.A.); (C.C.)
- Department of Research Infrastructures for Marine Biological Resources (RIMAR), 80121 Naples, Italy
- Correspondence: ; Tel.: +39-081-253-9492
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Kosakivska IV, Vasyuk VA, Voytenko LV, Shcherbatiuk MM, Romanenko KO, Babenko LM. Endogenous Phytohormones of Fern Polystichum aculeatum (L.) Roth Gametophytes at Different Stages of Morphogenesis in vitro Culture. CYTOL GENET+ 2020. [DOI: 10.3103/s0095452720010089] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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7
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Pontiggia D, Spinelli F, Fabbri C, Licursi V, Negri R, De Lorenzo G, Mattei B. Changes in the microsomal proteome of tomato fruit during ripening. Sci Rep 2019; 9:14350. [PMID: 31586085 PMCID: PMC6778153 DOI: 10.1038/s41598-019-50575-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2019] [Accepted: 08/23/2019] [Indexed: 11/09/2022] Open
Abstract
The variations in the membrane proteome of tomato fruit pericarp during ripening have been investigated by mass spectrometry-based label-free proteomics. Mature green (MG30) and red ripe (R45) stages were chosen because they are pivotal in the ripening process: MG30 corresponds to the end of cellular expansion, when fruit growth has stopped and fruit starts ripening, whereas R45 corresponds to the mature fruit. Protein patterns were markedly different: among the 1315 proteins identified with at least two unique peptides, 145 significantly varied in abundance in the process of fruit ripening. The subcellular and biochemical fractionation resulted in GO term enrichment for organelle proteins in our dataset, and allowed the detection of low-abundance proteins that were not detected in previous proteomic studies on tomato fruits. Functional annotation showed that the largest proportion of identified proteins were involved in cell wall metabolism, vesicle-mediated transport, hormone biosynthesis, secondary metabolism, lipid metabolism, protein synthesis and degradation, carbohydrate metabolic processes, signalling and response to stress.
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Affiliation(s)
- Daniela Pontiggia
- Department of Biology and Biotechnology "C. Darwin", Sapienza University of Rome, Rome, Italy
| | - Francesco Spinelli
- Department of Biology and Biotechnology "C. Darwin", Sapienza University of Rome, Rome, Italy
| | - Claudia Fabbri
- Department of Biology and Biotechnology "C. Darwin", Sapienza University of Rome, Rome, Italy
| | - Valerio Licursi
- Department of Biology and Biotechnology "C. Darwin", Sapienza University of Rome, Rome, Italy.,Institute for Systems Analysis and Computer Science "Antonio Ruberti", National Research Council, Rome, Italy
| | - Rodolfo Negri
- Department of Biology and Biotechnology "C. Darwin", Sapienza University of Rome, Rome, Italy.,Foundation Cenci Bolognetti-Institut Pasteur, Rome, Italy
| | - Giulia De Lorenzo
- Department of Biology and Biotechnology "C. Darwin", Sapienza University of Rome, Rome, Italy. .,Foundation Cenci Bolognetti-Institut Pasteur, Rome, Italy.
| | - Benedetta Mattei
- Department of Life, Health and Environmental Sciences, University of L'Aquila, L'Aquila, Italy
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Transcriptomic Responses of Dove Tree (Davidia involucrata Baill.) to Heat Stress at the Seedling Stage. FORESTS 2019. [DOI: 10.3390/f10080656] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The dove tree (Davidia involucrata Baill.), a tertiary relic species, is adapted to cool climates. With the progression of global warming, high-temperature stress has become the primary environmental factor restricting geographic distribution, ex situ conservation, and landscape application for D. involucrata resources. However, the detailed molecular events underlying D. involucrata responses to heat stress are poorly understood. Here, we conducted RNA-Seq-based gene expression profiling in D. involucrata seedlings during the time course of a 42 °C heat treatment (0, 1, 6, and 12 h). After de novo assembly, we obtained 138,923 unigenes, of which 69,743 were annotated in public databases. Furthermore, 19,532, 20,497 and 27,716 differentially expressed genes (DEGs) were identified after 1 h (HS1), 6 h (HS6), and 12 h (HS12) of heat treatment in comparison to 0 h (HS0), respectively. Based on a KEGG enrichment analysis, the two pathways “protein processing in endoplasmic reticulum” and “plant hormone signal transduction” are hypothesized to play vital roles during heat response in D. involucrata, and their potential interactions during heat stress are also discussed. In addition, 32 genes encoding putative heat shock transcription factors (Hsfs) were found to be associated with the response of D. involucrata to heat stress. Finally, the expression patterns of eight heat-responsive genes derived from qRT-PCR were in agreement with their transcript level alterations, as determined by a transcriptome analysis. Taken together, our transcriptomic data provide the first comprehensive transcriptional profile affected by heat stress in D. involucrata, which will facilitate further studies on the improvement of heat tolerance in this rare and endangered species.
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Kolachevskaya OO, Lomin SN, Arkhipov DV, Romanov GA. Auxins in potato: molecular aspects and emerging roles in tuber formation and stress resistance. PLANT CELL REPORTS 2019; 38:681-698. [PMID: 30739137 DOI: 10.1007/s00299-019-02395-0] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Accepted: 02/02/2019] [Indexed: 05/04/2023]
Abstract
The study of the effects of auxins on potato tuberization corresponds to one of the oldest experimental systems in plant biology, which has remained relevant for over 70 years. However, only recently, in the postgenomic era, the role of auxin in tuber formation and other vital processes in potatoes has begun to emerge. This review describes the main results obtained over the entire period of auxin-potato research, including the effects of exogenous auxin; the content and dynamics of endogenous auxins; the effects of manipulating endogenous auxin content; the molecular mechanisms of auxin signaling, transport and inactivation; the role and position of auxin among other tuberigenic factors; the effects of auxin on tuber dormancy; the prospects for auxin use in potato biotechnology. Special attention is paid to recent insights into auxin function in potato tuberization and stress resistance. Taken together, the data discussed here leave no doubt on the important role of auxin in potato tuberization, particularly in the processes of tuber initiation, growth and sprouting. A new integrative model for the stage-dependent auxin action on tuberization is presented. In addition, auxin is shown to differentially affects the potato resistance to biotrophic and necrotrophic biopathogens. Thus, the modern auxin biology opens up new perspectives for further biotechnological improvement of potato crops.
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Affiliation(s)
- Oksana O Kolachevskaya
- Laboratory of Signaling Systems, Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, Moscow, 127276, Russia
| | - Sergey N Lomin
- Laboratory of Signaling Systems, Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, Moscow, 127276, Russia
| | - Dmitry V Arkhipov
- Laboratory of Signaling Systems, Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, Moscow, 127276, Russia
| | - Georgy A Romanov
- Laboratory of Signaling Systems, Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, Moscow, 127276, Russia.
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, 119992, Russia.
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Guzmán-Guzmán P, Porras-Troncoso MD, Olmedo-Monfil V, Herrera-Estrella A. Trichoderma Species: Versatile Plant Symbionts. PHYTOPATHOLOGY 2019; 109:6-16. [PMID: 30412012 DOI: 10.1094/phyto-07-18-0218-rvw] [Citation(s) in RCA: 87] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Because of the need to provide food for the growing population, agricultural activity is faced with the huge challenge of counteracting the negative effects generated by adverse environmental factors and diseases caused by pathogens on crops, while avoiding environmental pollution due to the excessive use of agrochemicals. The exploitation of biological systems that naturally increase plant vigor, preparing them against biotic and abiotic stressors that also promote their growth and productivity represents a useful and viable strategy to help face these challenges. Fungi from the genus Trichoderma have been widely used in agriculture as biocontrol agents because of their mycoparasitic capacity and ability to improve plant health and protection against phytopathogens, which makes it an excellent plant symbiont. The mechanisms employed by Trichoderma include secretion of effector molecules and secondary metabolites that mediate the beneficial interaction of Trichoderma with plants, providing tolerance to biotic and abiotic stresses. Here we discuss the most recent advances in understanding the mechanisms employed by this opportunistic plant symbiont as biocontrol agent and plant growth promoter. In addition, through genome mining we approached a less explored factor that Trichoderma could be using to become successful plant symbionts, the production of phytohormones-auxins, cytokinins, abscisic acid, gibberellins, among others. This approach allowed us to detect sets of genes encoding proteins potentially involved in phytohormone biosynthesis and signaling. We discuss the implications of these findings in the physiology of the fungus and in the establishment of its interaction with plants.
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Affiliation(s)
- Paulina Guzmán-Guzmán
- First and third authors: Departamento de Biología, DCNyE Campus Guanajuato, Universidad de Guanajuato, Noria Alta s/n. CP 36050, Guanajuato, Gto., México; and second and fourth authors: Laboratorio Nacional de Genómica para la Biodiversidad-Unidad de Genómica Avanzada, Cinvestav. Km 9.6 Libramiento Norte Carretera Irapuato-León, CP 36824, Irapuato, Gto., México
| | - María Daniela Porras-Troncoso
- First and third authors: Departamento de Biología, DCNyE Campus Guanajuato, Universidad de Guanajuato, Noria Alta s/n. CP 36050, Guanajuato, Gto., México; and second and fourth authors: Laboratorio Nacional de Genómica para la Biodiversidad-Unidad de Genómica Avanzada, Cinvestav. Km 9.6 Libramiento Norte Carretera Irapuato-León, CP 36824, Irapuato, Gto., México
| | - Vianey Olmedo-Monfil
- First and third authors: Departamento de Biología, DCNyE Campus Guanajuato, Universidad de Guanajuato, Noria Alta s/n. CP 36050, Guanajuato, Gto., México; and second and fourth authors: Laboratorio Nacional de Genómica para la Biodiversidad-Unidad de Genómica Avanzada, Cinvestav. Km 9.6 Libramiento Norte Carretera Irapuato-León, CP 36824, Irapuato, Gto., México
| | - Alfredo Herrera-Estrella
- First and third authors: Departamento de Biología, DCNyE Campus Guanajuato, Universidad de Guanajuato, Noria Alta s/n. CP 36050, Guanajuato, Gto., México; and second and fourth authors: Laboratorio Nacional de Genómica para la Biodiversidad-Unidad de Genómica Avanzada, Cinvestav. Km 9.6 Libramiento Norte Carretera Irapuato-León, CP 36824, Irapuato, Gto., México
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De Zio E, Trupiano D, Karady M, Antoniadi I, Montagnoli A, Terzaghi M, Chiatante D, Ljung K, Scippa GS. Tissue-specific hormone profiles from woody poplar roots under bending stress. PHYSIOLOGIA PLANTARUM 2019; 165:101-113. [PMID: 30187489 DOI: 10.1111/ppl.12830] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2018] [Revised: 08/16/2018] [Accepted: 09/02/2018] [Indexed: 06/08/2023]
Affiliation(s)
- Elena De Zio
- Department of Biosciences and Territory, University of Molise, 86090 Pesche, Italy
| | - Dalila Trupiano
- Department of Biosciences and Territory, University of Molise, 86090 Pesche, Italy
| | - Michal Karady
- Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences, 90183 Umeå, Sweden
| | - Ioanna Antoniadi
- Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences, 90183 Umeå, Sweden
| | - Antonio Montagnoli
- Department of Biotechnology and Life Sciences, University of Insubria, 21100 Varese, Italy
| | - Mattia Terzaghi
- Department of Biotechnology and Life Sciences, University of Insubria, 21100 Varese, Italy
| | - Donato Chiatante
- Department of Biotechnology and Life Sciences, University of Insubria, 21100 Varese, Italy
| | - Karin Ljung
- Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences, 90183 Umeå, Sweden
| | - Gabriella S Scippa
- Department of Biosciences and Territory, University of Molise, 86090 Pesche, Italy
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Jegadeesan S, Beery A, Altahan L, Meir S, Pressman E, Firon N. Ethylene production and signaling in tomato (Solanum lycopersicum) pollen grains is responsive to heat stress conditions. PLANT REPRODUCTION 2018; 31:367-383. [PMID: 29948007 DOI: 10.1007/s00497-018-0339-0] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2018] [Accepted: 06/05/2018] [Indexed: 05/21/2023]
Abstract
Tomato pollen grains have the capacity for ethylene production, possessing specific components of the ethylene-biosynthesis and -signaling pathways, being affected/responsive to high-temperature conditions. Exposure of plants to heat stress (HS) conditions reduces crop yield and quality, mainly due to sensitivity of pollen grains. Recently, it was demonstrated that ethylene, a gaseous plant hormone, plays a significant role in tomato pollen heat-tolerance. It is not clear, however, whether, or to what extent, pollen grains are dependent on the capacity of the surrounding anther tissues for ethylene synthesis and signaling, or can synthesize this hormone and possess an active signaling pathway. The aim of this work was (1) to investigate if isolated, maturing and mature, tomato pollen grains have the capacity for ethylene production, (2) to find out whether pollen grains possess an active ethylene-biosynthesis and -signaling pathway and characterize the respective tomato pollen components at the transcript level, (3) to look into the effect of short-term HS conditions. Results from accumulation studies showed that pollen, anthers, and flowers produced ethylene and HS affected differentially ethylene production by (rehydrated) mature pollen, compared to anthers and flowers, causing elevated ethylene levels. Furthermore, several ethylene synthesis genes were expressed, with SlACS3 and SlACS11 standing out as highly HS-induced genes of the pollen ethylene biosynthesis pathway. Specific components of the ethylene-signaling pathway as well as several ethylene-responsive factors were expressed in pollen, with SlETR3 (ethylene receptor; named also NR, for never ripe) and SlCTR2 (constitutive triple response2) being HS responsive. This work shows that tomato pollen grains have the capacity for ethylene production, possessing active ethylene-biosynthesis and -signaling pathways, highlighting specific pollen components that serve as a valuable resource for future research on the role of ethylene in pollen thermotolerance.
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Affiliation(s)
- Sridharan Jegadeesan
- Department of Vegetable Research, Institute of Plant Sciences, Agricultural Research Organization, The Volcani Center, 50250, Bet Dagan, Israel
- The Robert H. Smith Institute of Plant Sciences and Genetics in Agriculture, The Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot, Israel
| | - Avital Beery
- Department of Vegetable Research, Institute of Plant Sciences, Agricultural Research Organization, The Volcani Center, 50250, Bet Dagan, Israel
| | - Leviah Altahan
- Department of Vegetable Research, Institute of Plant Sciences, Agricultural Research Organization, The Volcani Center, 50250, Bet Dagan, Israel
| | - Shimon Meir
- Postharvest Science of Fresh Produce, Postharvest and Food Sciences, Agricultural Research Organization, The Volcani Center, 50250, Bet Dagan, Israel
| | - Etan Pressman
- Department of Vegetable Research, Institute of Plant Sciences, Agricultural Research Organization, The Volcani Center, 50250, Bet Dagan, Israel
| | - Nurit Firon
- Department of Vegetable Research, Institute of Plant Sciences, Agricultural Research Organization, The Volcani Center, 50250, Bet Dagan, Israel.
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Więsyk A, Iwanicka-Nowicka R, Fogtman A, Zagórski-Ostoja W, Góra-Sochacka A. Time-Course Microarray Analysis Reveals Differences between Transcriptional Changes in Tomato Leaves Triggered by Mild and Severe Variants of Potato Spindle Tuber Viroid. Viruses 2018; 10:v10050257. [PMID: 29762480 PMCID: PMC5977250 DOI: 10.3390/v10050257] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Revised: 05/09/2018] [Accepted: 05/12/2018] [Indexed: 01/06/2023] Open
Abstract
Viroids are small non-capsidated non-coding RNA replicons that utilize host factors for efficient propagation and spread through the entire plant. They can incite specific disease symptoms in susceptible plants. To better understand viroid-plant interactions, we employed microarray analysis to observe the changes of gene expression in “Rutgers” tomato leaves in response to the mild (M) and severe (S23) variants of potato spindle tuber viroid (PSTVd). The changes were analyzed over a time course of viroid infection development: (i) the pre-symptomatic stage; (ii) early symptoms; (iii) full spectrum of symptoms and (iv) the so-called ‘recovery’ stage, when stem regrowth was observed in severely affected plants. Gene expression profiles differed depending on stage of infection and variant. In S23-infected plants, the expression of over 3000 genes was affected, while M-infected plants showed 3-fold fewer differentially expressed genes, only 20% of which were specific to the M variant. The differentially expressed genes included many genes related to stress; defense; hormone metabolism and signaling; photosynthesis and chloroplasts; cell wall; RNA regulation, processing and binding; protein metabolism and modification and others. The expression levels of several genes were confirmed by nCounter analysis.
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Affiliation(s)
- Aneta Więsyk
- Institute of Biochemistry and Biophysics Polish Academy of Sciences, Pawinskiego 5A, 02-106 Warsaw, Poland; (A.W.); (R.I.-N.); (A.F.)
| | - Roksana Iwanicka-Nowicka
- Institute of Biochemistry and Biophysics Polish Academy of Sciences, Pawinskiego 5A, 02-106 Warsaw, Poland; (A.W.); (R.I.-N.); (A.F.)
- Laboratory of Systems Biology, Faculty of Biology, University of Warsaw, 02-096 Warsaw, Poland
| | - Anna Fogtman
- Institute of Biochemistry and Biophysics Polish Academy of Sciences, Pawinskiego 5A, 02-106 Warsaw, Poland; (A.W.); (R.I.-N.); (A.F.)
| | - Włodzimierz Zagórski-Ostoja
- Institute of Biochemistry and Biophysics Polish Academy of Sciences, Pawinskiego 5A, 02-106 Warsaw, Poland; (A.W.); (R.I.-N.); (A.F.)
| | - Anna Góra-Sochacka
- Institute of Biochemistry and Biophysics Polish Academy of Sciences, Pawinskiego 5A, 02-106 Warsaw, Poland; (A.W.); (R.I.-N.); (A.F.)
- Correspondence: ; Tel.: +48-22-592-34-08; Fax: +48-22-592-21-90
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