1
|
Hardy EC, Balcerowicz M. Untranslated yet indispensable-UTRs act as key regulators in the environmental control of gene expression. JOURNAL OF EXPERIMENTAL BOTANY 2024; 75:4314-4331. [PMID: 38394144 PMCID: PMC11263492 DOI: 10.1093/jxb/erae073] [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: 11/01/2023] [Accepted: 02/22/2024] [Indexed: 02/25/2024]
Abstract
To survive and thrive in a dynamic environment, plants must continuously monitor their surroundings and adjust their development and physiology accordingly. Changes in gene expression underlie these developmental and physiological adjustments, and are traditionally attributed to widespread transcriptional reprogramming. Growing evidence, however, suggests that post-transcriptional mechanisms also play a vital role in tailoring gene expression to a plant's environment. Untranslated regions (UTRs) act as regulatory hubs for post-transcriptional control, harbouring cis-elements that affect an mRNA's processing, localization, translation, and stability, and thereby tune the abundance of the encoded protein. Here, we review recent advances made in understanding the critical function UTRs exert in the post-transcriptional control of gene expression in the context of a plant's abiotic environment. We summarize the molecular mechanisms at play, present examples of UTR-controlled signalling cascades, and discuss the potential that resides within UTRs to render plants more resilient to a changing climate.
Collapse
Affiliation(s)
- Emma C Hardy
- Division of Plant Sciences, University of Dundee at the James Hutton Institute, Dundee DD2 5DA, UK
| | - Martin Balcerowicz
- Division of Plant Sciences, University of Dundee at the James Hutton Institute, Dundee DD2 5DA, UK
| |
Collapse
|
2
|
Maździarz M, Krawczyk K, Kurzyński M, Paukszto Ł, Szablińska-Piernik J, Szczecińska M, Sulima P, Sawicki J. Epitranscriptome insights into Riccia fluitans L. (Marchantiophyta) aquatic transition using nanopore direct RNA sequencing. BMC PLANT BIOLOGY 2024; 24:399. [PMID: 38745128 PMCID: PMC11094948 DOI: 10.1186/s12870-024-05114-4] [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: 03/08/2024] [Accepted: 05/07/2024] [Indexed: 05/16/2024]
Abstract
BACKGROUND Riccia fluitans, an amphibious liverwort, exhibits a fascinating adaptation mechanism to transition between terrestrial and aquatic environments. Utilizing nanopore direct RNA sequencing, we try to capture the complex epitranscriptomic changes undergone in response to land-water transition. RESULTS A significant finding is the identification of 45 differentially expressed genes (DEGs), with a split of 33 downregulated in terrestrial forms and 12 upregulated in aquatic forms, indicating a robust transcriptional response to environmental changes. Analysis of N6-methyladenosine (m6A) modifications revealed 173 m6A sites in aquatic and only 27 sites in the terrestrial forms, indicating a significant increase in methylation in the former, which could facilitate rapid adaptation to changing environments. The aquatic form showed a global elongation bias in poly(A) tails, which is associated with increased mRNA stability and efficient translation, enhancing the plant's resilience to water stress. Significant differences in polyadenylation signals were observed between the two forms, with nine transcripts showing notable changes in tail length, suggesting an adaptive mechanism to modulate mRNA stability and translational efficiency in response to environmental conditions. This differential methylation and polyadenylation underline a sophisticated layer of post-transcriptional regulation, enabling Riccia fluitans to fine-tune gene expression in response to its living conditions. CONCLUSIONS These insights into transcriptome dynamics offer a deeper understanding of plant adaptation strategies at the molecular level, contributing to the broader knowledge of plant biology and evolution. These findings underscore the sophisticated post-transcriptional regulatory strategies Riccia fluitans employs to navigate the challenges of aquatic versus terrestrial living, highlighting the plant's dynamic adaptation to environmental stresses and its utility as a model for studying adaptation mechanisms in amphibious plants.
Collapse
Affiliation(s)
- Mateusz Maździarz
- Department of Botany and Evolutionary Ecology, University of Warmia and Mazury in Olsztyn, Plac Łódzki 1, Olsztyn, 10-719, Poland
| | - Katarzyna Krawczyk
- Department of Botany and Evolutionary Ecology, University of Warmia and Mazury in Olsztyn, Plac Łódzki 1, Olsztyn, 10-719, Poland
| | - Mateusz Kurzyński
- Department of Botany and Evolutionary Ecology, University of Warmia and Mazury in Olsztyn, Plac Łódzki 1, Olsztyn, 10-719, Poland
| | - Łukasz Paukszto
- Department of Botany and Evolutionary Ecology, University of Warmia and Mazury in Olsztyn, Plac Łódzki 1, Olsztyn, 10-719, Poland
| | - Joanna Szablińska-Piernik
- Department of Botany and Evolutionary Ecology, University of Warmia and Mazury in Olsztyn, Plac Łódzki 1, Olsztyn, 10-719, Poland
| | - Monika Szczecińska
- Department of Botany and Evolutionary Ecology, University of Warmia and Mazury in Olsztyn, Plac Łódzki 1, Olsztyn, 10-719, Poland
| | - Paweł Sulima
- Department of Genetics, Plant Breeding and Bioresource Engineering, University of Warmia and Mazury in Olsztyn, Plac Łódzki 3, Olsztyn, 10-724, Poland
| | - Jakub Sawicki
- Department of Botany and Evolutionary Ecology, University of Warmia and Mazury in Olsztyn, Plac Łódzki 1, Olsztyn, 10-719, Poland.
| |
Collapse
|
3
|
Xie Y, Chan LY, Cheung MY, Li MW, Lam HM. Current technical advancements in plant epitranscriptomic studies. THE PLANT GENOME 2023; 16:e20316. [PMID: 36890704 DOI: 10.1002/tpg2.20316] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Accepted: 02/05/2023] [Indexed: 06/18/2023]
Abstract
The growth and development of plants are the result of the interplay between the internal developmental programming and plant-environment interactions. Gene expression regulations in plants are made up of multi-level networks. In the past few years, many studies were carried out on co- and post-transcriptional RNA modifications, which, together with the RNA community, are collectively known as the "epitranscriptome." The epitranscriptomic machineries were identified and their functional impacts characterized in a broad range of physiological processes in diverse plant species. There is mounting evidence to suggest that the epitranscriptome provides an additional layer in the gene regulatory network for plant development and stress responses. In the present review, we summarized the epitranscriptomic modifications found so far in plants, including chemical modifications, RNA editing, and transcript isoforms. The various approaches to RNA modification detection were described, with special emphasis on the recent development and application potential of third-generation sequencing. The roles of epitranscriptomic changes in gene regulation during plant-environment interactions were discussed in case studies. This review aims to highlight the importance of epitranscriptomics in the study of gene regulatory networks in plants and to encourage multi-omics investigations using the recent technical advancements.
Collapse
Affiliation(s)
- Yichun Xie
- School of Life Sciences and Centre for Soybean Research of the State Key Laboratory of Agrobiotechnology, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China
| | - Long-Yiu Chan
- School of Life Sciences and Centre for Soybean Research of the State Key Laboratory of Agrobiotechnology, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China
| | - Ming-Yan Cheung
- School of Life Sciences and Centre for Soybean Research of the State Key Laboratory of Agrobiotechnology, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China
| | - Man-Wah Li
- School of Life Sciences and Centre for Soybean Research of the State Key Laboratory of Agrobiotechnology, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China
| | - Hon-Ming Lam
- School of Life Sciences and Centre for Soybean Research of the State Key Laboratory of Agrobiotechnology, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China
| |
Collapse
|
4
|
Nguyen LAC, Mori M, Yasuda Y, Galipon J. Functional Consequences of Shifting Transcript Boundaries in Glucose Starvation. Mol Cell Biol 2023; 43:611-628. [PMID: 37937348 PMCID: PMC10761120 DOI: 10.1080/10985549.2023.2270406] [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: 07/11/2023] [Accepted: 10/10/2023] [Indexed: 11/09/2023] Open
Abstract
Glucose is a major source of carbon and essential for the survival of many organisms, ranging from yeast to human. A sudden 60-fold reduction of glucose in exponentially growing fission yeast induces transcriptome-wide changes in gene expression. This regulation is multilayered, and the boundaries of transcripts are known to vary, with functional consequences at the protein level. By combining direct RNA sequencing with 5'-CAGE and short-read sequencing, we accurately defined the 5'- and 3'-ends of transcripts that are both poly(A) tailed and 5'-capped in glucose starvation, followed by proteome analysis. Our results confirm previous experimentally validated loci with alternative isoforms and reveal several transcriptome-wide patterns. First, we show that sense-antisense gene pairs are more strongly anticorrelated when a time lag is taken into account. Second, we show that the glucose starvation response initially elicits a shortening of 3'-UTRs and poly(A) tails, followed by a shortening of the 5'-UTRs at later time points. These result in domain gains and losses in proteins involved in the stress response. Finally, the relatively poor overlap both between differentially expressed genes (DEGs), differential transcript usage events (DTUs), and differentially detected proteins (DDPs) highlight the need for further study on post-transcriptional regulation mechanisms in glucose starvation.
Collapse
Affiliation(s)
- Lan Anh Catherine Nguyen
- Institute for Advanced Biosciences, Keio University, Yamagata, Tsuruoka, Japan
- Systems Biology Program, Graduate School of Media and Governance, Keio University, Kanagawa, Fujisawa, Japan
| | - Masaru Mori
- Institute for Advanced Biosciences, Keio University, Yamagata, Tsuruoka, Japan
- Systems Biology Program, Graduate School of Media and Governance, Keio University, Kanagawa, Fujisawa, Japan
- Institute of Innovation for Future Society, Nagoya University, Aichi, Nagoya, Japan
| | - Yuji Yasuda
- Institute for Advanced Biosciences, Keio University, Yamagata, Tsuruoka, Japan
- Faculty of Environment and Information Studies, Keio University, Kanagawa, Fujisawa, Japan
| | - Josephine Galipon
- Institute for Advanced Biosciences, Keio University, Yamagata, Tsuruoka, Japan
- Systems Biology Program, Graduate School of Media and Governance, Keio University, Kanagawa, Fujisawa, Japan
- Graduate School of Science and Engineering, Yamagata University, Yamagata, Yonezawa, Japan
| |
Collapse
|
5
|
Suhorukova AV, Sobolev DS, Milovskaya IG, Fadeev VS, Goldenkova-Pavlova IV, Tyurin AA. A Molecular Orchestration of Plant Translation under Abiotic Stress. Cells 2023; 12:2445. [PMID: 37887289 PMCID: PMC10605726 DOI: 10.3390/cells12202445] [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: 07/20/2023] [Revised: 09/12/2023] [Accepted: 09/26/2023] [Indexed: 10/28/2023] Open
Abstract
The complexities of translational strategies make this stage of implementing genetic information one of the most challenging to comprehend and, simultaneously, perhaps the most engaging. It is evident that this diverse range of strategies results not only from a long evolutionary history, but is also of paramount importance for refining gene expression and metabolic modulation. This notion is particularly accurate for organisms that predominantly exhibit biochemical and physiological reactions with a lack of behavioural ones. Plants are a group of organisms that exhibit such features. Addressing unfavourable environmental conditions plays a pivotal role in plant physiology. This is particularly evident with the changing conditions of global warming and the irrevocable loss or depletion of natural ecosystems. In conceptual terms, the plant response to abiotic stress comprises a set of elaborate and intricate strategies. This is influenced by a range of abiotic factors that cause stressful conditions, and molecular genetic mechanisms that fine-tune metabolic pathways allowing the plant organism to overcome non-standard and non-optimal conditions. This review aims to focus on the current state of the art in the field of translational regulation in plants under abiotic stress conditions. Different regulatory elements and patterns are being assessed chronologically. We deem it important to focus on significant high-performance techniques for studying the genetic information dynamics during the translation phase.
Collapse
|
6
|
Zhou J, Li QQ. Stress responses of plants through transcriptome plasticity by mRNA alternative polyadenylation. MOLECULAR HORTICULTURE 2023; 3:19. [PMID: 37789388 PMCID: PMC10536700 DOI: 10.1186/s43897-023-00066-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Accepted: 09/07/2023] [Indexed: 10/05/2023]
Abstract
The sessile nature of plants confines their responsiveness to changing environmental conditions. Gene expression regulation becomes a paramount mechanism for plants to adjust their physiological and morphological behaviors. Alternative polyadenylation (APA) is known for its capacity to augment transcriptome diversity and plasticity, thereby furnishing an additional set of tools for modulating gene expression. APA has also been demonstrated to exhibit intimate associations with plant stress responses. In this study, we review APA dynamic features and consequences in plants subjected to both biotic and abiotic stresses. These stresses include adverse environmental stresses, and pathogenic attacks, such as cadmium toxicity, high salt, hypoxia, oxidative stress, cold, heat shock, along with bacterial, fungal, and viral infections. We analyzed the overarching research framework employed to elucidate plant APA response and the alignment of polyadenylation site transitions with the modulation of gene expression levels within the ambit of each stress condition. We also proposed a general APA model where transacting factors, including poly(A) factors, epigenetic regulators, RNA m6A modification factors, and phase separation proteins, assume pivotal roles in APA related transcriptome plasticity during stress response in plants.
Collapse
Affiliation(s)
- Jiawen Zhou
- Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystem, College of the Environment and Ecology, Xiamen University, Xiamen, 361102, Fujian, China
| | - Qingshun Quinn Li
- Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystem, College of the Environment and Ecology, Xiamen University, Xiamen, 361102, Fujian, China.
- Biomedical Sciences, College of Dental Medicine, Western University of Health Sciences, Pomona, CA, 91766, USA.
| |
Collapse
|
7
|
Ortigosa F, Lobato-Fernández C, Pérez-Claros JA, Cantón FR, Ávila C, Cánovas FM, Cañas RA. Epitranscriptome changes triggered by ammonium nutrition regulate the proteome response of maritime pine roots. FRONTIERS IN PLANT SCIENCE 2022; 13:1102044. [PMID: 36618661 PMCID: PMC9815506 DOI: 10.3389/fpls.2022.1102044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Accepted: 12/08/2022] [Indexed: 06/17/2023]
Abstract
Epitranscriptome constitutes a gene expression checkpoint in all living organisms. Nitrogen is an essential element for plant growth and development that influences gene expression at different levels such as epigenome, transcriptome, proteome, and metabolome. Therefore, our hypothesis is that changes in the epitranscriptome may regulate nitrogen metabolism. In this study, epitranscriptomic modifications caused by ammonium nutrition were monitored in maritime pine roots using Oxford Nanopore Technology. Transcriptomic responses mainly affected transcripts involved in nitrogen and carbon metabolism, defense, hormone synthesis/signaling, and translation. Global detection of epitranscriptomic marks was performed to evaluate this posttranscriptional mechanism in un/treated seedlings. Increased N6-methyladenosine (m6A) deposition in the 3'-UTR was observed in response to ammonium, which seems to be correlated with poly(A) lengths and changes in the relative abundance of the corresponding proteins. The results showed that m6A deposition and its dynamics seem to be important regulators of translation under ammonium nutrition. These findings suggest that protein translation is finely regulated through epitranscriptomic marks likely by changes in mRNA poly(A) length, transcript abundance and ribosome protein composition. An integration of multiomics data suggests that the epitranscriptome modulates responses to nutritional, developmental and environmental changes through buffering, filtering, and focusing the final products of gene expression.
Collapse
Affiliation(s)
- Francisco Ortigosa
- Grupo de Biología Molecular y Biotecnología de Plantas, Departamento de Biología Molecular y Bioquímica, Universidad de Málaga, Málaga, Spain
| | - César Lobato-Fernández
- Grupo de Biología Molecular y Biotecnología de Plantas, Departamento de Biología Molecular y Bioquímica, Universidad de Málaga, Málaga, Spain
| | | | | | - Concepción Ávila
- Grupo de Biología Molecular y Biotecnología de Plantas, Departamento de Biología Molecular y Bioquímica, Universidad de Málaga, Málaga, Spain
| | - Francisco M. Cánovas
- Grupo de Biología Molecular y Biotecnología de Plantas, Departamento de Biología Molecular y Bioquímica, Universidad de Málaga, Málaga, Spain
| | - Rafael A. Cañas
- Integrative Molecular Biology Lab, Universidad de Málaga, Málaga, Spain
| |
Collapse
|
8
|
Jia J, Lu W, Liu B, Fang H, Yu Y, Mo W, Zhang H, Jin X, Shu Y, Long Y, Pei Y, Zhai J. An atlas of plant full-length RNA reveals tissue-specific and monocots-dicots conserved regulation of poly(A) tail length. NATURE PLANTS 2022; 8:1118-1126. [PMID: 35982302 DOI: 10.1038/s41477-022-01224-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2022] [Accepted: 07/14/2022] [Indexed: 06/15/2023]
Abstract
Poly(A) tail is a hallmark of eukaryotic messenger RNA and its length plays an essential role in regulating mRNA metabolism. However, a comprehensive resource for plant poly(A) tail length has yet to be established. Here, we applied a poly(A)-enrichment-free, nanopore-based method to profile full-length RNA with poly(A) tail information in plants. Our atlas contains over 120 million polyadenylated mRNA molecules from seven different tissues of Arabidopsis, as well as the shoot tissue of maize, soybean and rice. In most tissues, the size of plant poly(A) tails shows peaks at approximately 20 and 45 nucleotides, while the poly(A) tails in pollen exhibit a distinct pattern with strong peaks centred at 55 and 80 nucleotides. Moreover, poly(A) tail length is regulated in a gene-specific manner-mRNAs with short half-lives in general have long poly(A) tails, while mRNAs with long half-lives are featured with relatively short poly(A) tails that peak at ~45 nucleotides. Across species, poly(A) tails in the nucleus are almost twice as long as in the cytoplasm. Our comprehensive dataset lays the groundwork for future functional and evolutionary studies on poly(A) tail length regulation in plants.
Collapse
Affiliation(s)
- Jinbu Jia
- Department of Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen, China
- Institute of Plant and Food Science, Southern University of Science and Technology, Shenzhen, China
- Key Laboratory of Molecular Design for Plant Cell Factory of Guangdong Higher Education Institutes, Southern University of Science and Technology, Shenzhen, China
| | - Wenqin Lu
- Department of Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen, China
- Institute of Plant and Food Science, Southern University of Science and Technology, Shenzhen, China
- Key Laboratory of Molecular Design for Plant Cell Factory of Guangdong Higher Education Institutes, Southern University of Science and Technology, Shenzhen, China
| | - Bo Liu
- Department of Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen, China
- Institute of Plant and Food Science, Southern University of Science and Technology, Shenzhen, China
- Key Laboratory of Molecular Design for Plant Cell Factory of Guangdong Higher Education Institutes, Southern University of Science and Technology, Shenzhen, China
| | - Huihui Fang
- Department of Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen, China
- Institute of Plant and Food Science, Southern University of Science and Technology, Shenzhen, China
- Key Laboratory of Molecular Design for Plant Cell Factory of Guangdong Higher Education Institutes, Southern University of Science and Technology, Shenzhen, China
- School of Life Science and Shanxi Key Laboratory for Research and Development of Regional Plants, Shanxi University, Taiyuan, China
| | - Yiming Yu
- Department of Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen, China
- Institute of Plant and Food Science, Southern University of Science and Technology, Shenzhen, China
- Key Laboratory of Molecular Design for Plant Cell Factory of Guangdong Higher Education Institutes, Southern University of Science and Technology, Shenzhen, China
| | - Weipeng Mo
- Department of Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen, China
- Institute of Plant and Food Science, Southern University of Science and Technology, Shenzhen, China
- Key Laboratory of Molecular Design for Plant Cell Factory of Guangdong Higher Education Institutes, Southern University of Science and Technology, Shenzhen, China
| | - Hong Zhang
- Department of Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen, China
- Institute of Plant and Food Science, Southern University of Science and Technology, Shenzhen, China
- Key Laboratory of Molecular Design for Plant Cell Factory of Guangdong Higher Education Institutes, Southern University of Science and Technology, Shenzhen, China
| | - Xianhao Jin
- Department of Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen, China
- Institute of Plant and Food Science, Southern University of Science and Technology, Shenzhen, China
- Key Laboratory of Molecular Design for Plant Cell Factory of Guangdong Higher Education Institutes, Southern University of Science and Technology, Shenzhen, China
| | - Yi Shu
- Department of Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen, China
- Institute of Plant and Food Science, Southern University of Science and Technology, Shenzhen, China
- Key Laboratory of Molecular Design for Plant Cell Factory of Guangdong Higher Education Institutes, Southern University of Science and Technology, Shenzhen, China
| | - Yanping Long
- Department of Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen, China
- Institute of Plant and Food Science, Southern University of Science and Technology, Shenzhen, China
- Key Laboratory of Molecular Design for Plant Cell Factory of Guangdong Higher Education Institutes, Southern University of Science and Technology, Shenzhen, China
| | - Yanxi Pei
- School of Life Science and Shanxi Key Laboratory for Research and Development of Regional Plants, Shanxi University, Taiyuan, China
| | - Jixian Zhai
- Department of Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen, China.
- Institute of Plant and Food Science, Southern University of Science and Technology, Shenzhen, China.
- Key Laboratory of Molecular Design for Plant Cell Factory of Guangdong Higher Education Institutes, Southern University of Science and Technology, Shenzhen, China.
| |
Collapse
|
9
|
Gao Y, Liu X, Jin Y, Wu J, Li S, Li Y, Chen B, Zhang Y, Wei L, Li W, Li R, Lin C, Reddy ASN, Jaiswal P, Gu L. Drought induces epitranscriptome and proteome changes in stem-differentiating xylem of Populus trichocarpa. PLANT PHYSIOLOGY 2022; 190:459-479. [PMID: 35670753 PMCID: PMC9434199 DOI: 10.1093/plphys/kiac272] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Accepted: 05/11/2022] [Indexed: 05/25/2023]
Abstract
Understanding gene expression and regulation requires insights into RNA transcription, processing, modification, and translation. However, the relationship between the epitranscriptome and the proteome under drought stress remains undetermined in poplar (Populus trichocarpa). In this study, we used Nanopore direct RNA sequencing and tandem mass tag-based proteomic analysis to examine epitranscriptomic and proteomic regulation induced by drought treatment in stem-differentiating xylem (SDX). Our results revealed a decreased full-length read ratio under drought treatment and, especially, a decreased association between transcriptome and proteome changes in response to drought. Epitranscriptome analysis of cellulose- and lignin-related genes revealed an increased N6-Methyladenosine (m6A) ratio, which was accompanied by decreased RNA abundance and translation, under drought stress. Interestingly, usage of the distal poly(A) site increased during drought stress. Finally, we found that transcripts of highly expressed genes tend to have shorter poly(A) tail length (PAL), and drought stress increased the percentage of transcripts with long PAL. These findings provide insights into the interplay among m6A, polyadenylation, PAL, and translation under drought stress in P. trichocarpa SDX.
Collapse
Affiliation(s)
| | | | - Yandong Jin
- College of Forestry, Basic Forestry and Proteomics Research Center, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Ji Wu
- College of Forestry, Basic Forestry and Proteomics Research Center, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Shuang Li
- State Key Laboratory of Tree Genetics and Breeding, Northeast Forestry University, Harbin 150040, China
| | - Yaxing Li
- Basic Forestry and Proteomics Research Center, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Binqing Chen
- Basic Forestry and Proteomics Research Center, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Yaxin Zhang
- College of Forestry, Basic Forestry and Proteomics Research Center, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Linxiao Wei
- College of Forestry, Basic Forestry and Proteomics Research Center, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Wei Li
- State Key Laboratory of Tree Genetics and Breeding, Northeast Forestry University, Harbin 150040, China
| | - Ruili Li
- National Engineering Research Center of Tree Breeding and Ecological Restoration, College of Biological Sciences and Technology, Beijing Forestry University, Beijing 100083, China
| | - Chentao Lin
- Department of Molecular, Cell and Developmental Biology, University of California, Los Angeles, California 90095, USA
| | - Anireddy S N Reddy
- Department of Biology and Program in Cell and Molecular Biology, Colorado State University, Fort Collins, Colorado, USA
| | - Pankaj Jaiswal
- Department of Botany and Plant Pathology, Oregon State University, Corvallis, Oregon, USA
| | | |
Collapse
|
10
|
Xu SM, Curry-Hyde A, Sytnyk V, Janitz M. RNA polyadenylation patterns in the human transcriptome. Gene 2022; 816:146133. [PMID: 34998928 DOI: 10.1016/j.gene.2021.146133] [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: 08/04/2021] [Revised: 12/03/2021] [Accepted: 12/20/2021] [Indexed: 11/30/2022]
Abstract
The eukaryotic transcriptome undergoes various post-transcriptional modifications which assists gene expression. Polyadenylation is a molecular process occurring at the 3'-end of the RNA molecule which involves the poly(A) polymerase attaching adenine monophosphate molecules in a chain-like fashion to assemble a poly(A) tail. Multiple RNA isoforms are produced with differing 3'-UTR and exonic compositions through alternative polyadenylation (APA) which enhances the diversification of alternatively spliced mRNA transcripts. To study polyadenylation patterns, novel methods have been developed using short-read and long-read sequencing technologies to analyse the 3'-ends of the transcript. Recent studies have identified unique polyadenylation patterns in different cellular functions, including oncogenic activity, which could prove valuable in the understanding of medical genetics, particularly in the discovery of biomarkers in diseased states. We present a review of current literature reporting on polyadenylation and the biological relevance in the mammalian transcriptome, with a focus on the human transcriptome. Additionally, we have explored the various methods available to detect polyadenylation patterns using second and third generation sequencing technologies.
Collapse
Affiliation(s)
- Si-Mei Xu
- School of Biotechnology and Biomolecular Sciences, UNSW Sydney, Australia
| | - Ashton Curry-Hyde
- School of Biotechnology and Biomolecular Sciences, UNSW Sydney, Australia
| | - Vladimir Sytnyk
- School of Biotechnology and Biomolecular Sciences, UNSW Sydney, Australia
| | - Michael Janitz
- School of Biotechnology and Biomolecular Sciences, UNSW Sydney, Australia; Paul-Flechsig-Institute for Brain Research, University of Leipzig, Leipzig, Germany.
| |
Collapse
|
11
|
Zhang R, Zhi H, Li Y, Guo E, Feng G, Tang S, Guo W, Zhang L, Jia G, Diao X. Response of Multiple Tissues to Drought Revealed by a Weighted Gene Co-Expression Network Analysis in Foxtail Millet [ Setaria italica (L.) P. Beauv.]. FRONTIERS IN PLANT SCIENCE 2022; 12:746166. [PMID: 35095942 PMCID: PMC8790073 DOI: 10.3389/fpls.2021.746166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Accepted: 12/08/2021] [Indexed: 06/14/2023]
Abstract
Characterization of drought-tolerance mechanisms during the jointing stage in foxtail millet under water-limited conditions is essential for improving the grain yield of this C4 crop species. In this trial, two drought-tolerant and two drought-sensitive cultivars were examined using transcriptomic dissections of three tissues (root, stem, and leaf) under naturally occurring water-limited conditions. We detected a total of 32,170 expressed genes and characterized 13,552 differentially expressed genes (DEGs) correlated with drought treatment. The majority of DEGs were identified in the root tissue, followed by leaf and stem tissues, and the number of DEGs identified in the stems of drought-sensitive cultivars was about two times higher than the drought-tolerant ones. A total of 127 differentially expressed transcription factors (DETFs) with different drought-responsive patterns were identified between drought-tolerant and drought-sensitive genotypes (including MYB, b-ZIP, ERF, and WRKY). Furthermore, a total of 34 modules were constructed for all expressed genes using a weighted gene co-expression network analysis (WGCNA), and seven modules were closely related to the drought treatment. A total of 1,343 hub genes (including RAB18, LEA14, and RD22) were detected in the drought-related module, and cell cycle and DNA replication-related transcriptional pathways were identified as vital regulators of drought tolerance in foxtail millet. The results of this study provide a comprehensive overview of how Setaria italica copes with drought-inflicted environments during the jointing stage through transcriptional regulating strategies in different organs and lays a foundation for the improvement of drought-tolerant cereal cultivars through genomic editing approaches in the future.
Collapse
Affiliation(s)
- Renliang Zhang
- Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Hui Zhi
- Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Yuhui Li
- Research Institute of Millet, Shanxi Academy of Agricultural Sciences, Taiyuan, China
| | - Erhu Guo
- Research Institute of Millet, Shanxi Academy of Agricultural Sciences, Taiyuan, China
| | - Guojun Feng
- Research Institute of Grain Crop, Xinjiang Academy of Agricultural Sciences, Urumqi, China
| | - Sha Tang
- Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Weixia Guo
- Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Linlin Zhang
- Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Guanqing Jia
- Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Xianmin Diao
- Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing, China
| |
Collapse
|
12
|
Han SH, Kim JY, Lee JH, Park CM. Safeguarding genome integrity under heat stress in plants. JOURNAL OF EXPERIMENTAL BOTANY 2021:erab355. [PMID: 34343307 DOI: 10.1093/jxb/erab355] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Indexed: 06/13/2023]
Abstract
Heat stress adversely affects an array of molecular and cellular events in plant cells, such as denaturation of protein and lipid molecules and malformation of cellular membranes and cytoskeleton networks. Genome organization and DNA integrity are also disturbed under heat stress, and accordingly, plants have evolved sophisticated adaptive mechanisms that either protect their genomes from deleterious heat-induced damages or stimulate genome restoration responses. In particular, it is emerging that DNA damage responses are a critical defense process that underlies the acquirement of thermotolerance in plants, during which molecular players constituting the DNA repair machinery are rapidly activated. In recent years, thermotolerance genes that mediate the maintenance of genome integrity or trigger DNA repair responses have been functionally characterized in various plant species. Furthermore, accumulating evidence supports that genome integrity is safeguarded through multiple layers of thermoinduced protection routes in plant cells, including transcriptome adjustment, orchestration of RNA metabolism, protein homeostasis, and chromatin reorganization. In this review, we summarize topical progresses and research trends in understanding how plants cope with heat stress to secure genome intactness. We focus on molecular regulatory mechanisms by which plant genomes are secured against the DNA-damaging effects of heat stress and DNA damages are effectively repaired. We will also explore the practical interface between heat stress response and securing genome integrity in view of developing biotechnological ways of improving thermotolerance in crop species under global climate changes, a worldwide ecological concern in agriculture.
Collapse
Affiliation(s)
- Shin-Hee Han
- Department of Chemistry, Seoul National University, Seoul, Korea
| | - Jae Young Kim
- Department of Chemistry, Seoul National University, Seoul, Korea
| | - June-Hee Lee
- Department of Chemistry, Seoul National University, Seoul, Korea
| | - Chung-Mo Park
- Department of Chemistry, Seoul National University, Seoul, Korea
- Plant Genomics and Breeding Institute, Seoul National University, Seoul, Korea
| |
Collapse
|