1
|
Nityagovsky NN, Kiselev KV, Suprun AR, Dubrovina AS. Impact of Exogenous dsRNA on miRNA Composition in Arabidopsis thaliana. PLANTS (BASEL, SWITZERLAND) 2024; 13:2335. [PMID: 39204771 PMCID: PMC11360658 DOI: 10.3390/plants13162335] [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: 07/10/2024] [Revised: 08/11/2024] [Accepted: 08/18/2024] [Indexed: 09/04/2024]
Abstract
The application of double-stranded RNAs (dsRNAs) to plant surfaces has emerged as a promising tool for manipulating gene expression in plants and pathogens, offering new opportunities for crop improvement. While research has shown the capability of exogenous dsRNAs to silence genes, the full spectrum of their impact, particularly on the intricate network of microRNAs (miRNAs), remains largely unexplored. Here, we show that the exogenous application of chalcone synthase (CHS)-encoding dsRNA to the rosette leaves of Arabidopsis thaliana induced extensive alterations in the miRNA profile, while non-specific bacterial neomycin phosphotransferase II (NPTII) dsRNA had a minimal effect. Two days after treatment, we detected 60 differentially expressed miRNAs among the 428 miRNAs found in the A. thaliana genome. A total of 59 miRNAs were significantly changed after AtCHS-dsRNA treatment compared with water and NPTII-dsRNA, and 1 miRNA was significantly changed after AtCHS-dsRNA and NPTII-dsRNA compared with the water control. A comprehensive functional enrichment analysis revealed 17 major GO categories enriched among the genes potentially targeted by the up- and downregulated miRNAs. These categories included processes such as aromatic compound biosynthesis (a pathway directly related to CHS activity), heterocycle biosynthesis, RNA metabolism and biosynthesis, DNA transcription, and plant development. Several predicted targets of upregulated and downregulated miRNAs, including APETALA2, SCL27, SOD1, GRF1, AGO2, PHB, and PHV, were verified by qRT-PCR. The analysis showed a negative correlation between the expression of miRNAs and the expression of their predicted targets. Thus, exogenous plant gene-specific dsRNAs induce substantial changes in the plant miRNA composition, ultimately affecting the expression of a wide range of genes. These findings have profound implications for our understanding of the effects of exogenously induced RNA interference, which can have broader effects beyond targeted mRNA degradation, affecting the expression of other genes through miRNA regulation.
Collapse
Affiliation(s)
| | | | | | - Alexandra S. Dubrovina
- Laboratory of Biotechnology, Federal Scientific Center of the East Asia Terrestrial Biodiversity, Far Eastern Branch of the Russian Academy of Sciences, Vladivostok 690022, Russia; (N.N.N.); (A.R.S.)
| |
Collapse
|
2
|
Pola-Sánchez E, Hernández-Martínez KM, Pérez-Estrada R, Sélem-Mójica N, Simpson J, Abraham-Juárez MJ, Herrera-Estrella A, Villalobos-Escobedo JM. RNA-Seq Data Analysis: A Practical Guide for Model and Non-Model Organisms. Curr Protoc 2024; 4:e1054. [PMID: 38808970 DOI: 10.1002/cpz1.1054] [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] [Indexed: 05/30/2024]
Abstract
RNA sequencing (RNA-seq) has emerged as a powerful tool for assessing genome-wide gene expression, revolutionizing various fields of biology. However, analyzing large RNA-seq datasets can be challenging, especially for students or researchers lacking bioinformatics experience. To address these challenges, we present a comprehensive guide to provide step-by-step workflows for analyzing RNA-seq data, from raw reads to functional enrichment analysis, starting with considerations for experimental design. This is designed to aid students and researchers working with any organism, irrespective of whether an assembled genome is available. Within this guide, we employ various recognized bioinformatics tools to navigate the landscape of RNA-seq analysis and discuss the advantages and disadvantages of different tools for the same task. Our protocol focuses on clarity, reproducibility, and practicality to enable users to navigate the complexities of RNA-seq data analysis easily and gain valuable biological insights from the datasets. Additionally, all scripts and a sample dataset are available in a GitHub repository to facilitate the implementation of the analysis pipeline. © 2024 The Authors. Current Protocols published by Wiley Periodicals LLC. Basic Protocol 1: Analysis of data from a model plant with an available reference genome Basic Protocol 2: Gene ontology enrichment analysis Basic Protocol 3: De novo assembly of data from non-model plants.
Collapse
Affiliation(s)
- Enrique Pola-Sánchez
- Laboratorio Nacional de Genómica para la Biodiversidad-Unidad de Genómica Avanzada, Centro de Investigación y de Estudios Avanzados del IPN (CINVESTAV), Unidad Irapuato, Irapuato, México
| | | | - Rafael Pérez-Estrada
- Centro de Ciencias Matemáticas, Universidad Nacional Autónoma de México (UNAM), Morelia, México
| | - Nelly Sélem-Mójica
- Centro de Ciencias Matemáticas, Universidad Nacional Autónoma de México (UNAM), Morelia, México
- The LatAmBio Initiative, Irapuato, México
| | - June Simpson
- Departamento de Ingeniería Genética, CINVESTAV, Unidad Irapuato, Irapuato, México
| | - María Jazmín Abraham-Juárez
- Laboratorio Nacional de Genómica para la Biodiversidad-Unidad de Genómica Avanzada, Centro de Investigación y de Estudios Avanzados del IPN (CINVESTAV), Unidad Irapuato, Irapuato, México
| | - Alfredo Herrera-Estrella
- Laboratorio Nacional de Genómica para la Biodiversidad-Unidad de Genómica Avanzada, Centro de Investigación y de Estudios Avanzados del IPN (CINVESTAV), Unidad Irapuato, Irapuato, México
- The LatAmBio Initiative, Irapuato, México
| | - José Manuel Villalobos-Escobedo
- The LatAmBio Initiative, Irapuato, México
- Department of Plant and Microbial Biology, University of California-Berkeley, Berkeley, California, United States
- Institute for Obesity Research, Tecnológico de Monterrey, Monterrey, Mexico
| |
Collapse
|
3
|
Zhou H, Ma J, Liu H, Zhao P. Genome-Wide Identification of the CBF Gene Family and ICE Transcription Factors in Walnuts and Expression Profiles under Cold Conditions. Int J Mol Sci 2023; 25:25. [PMID: 38203199 PMCID: PMC10778614 DOI: 10.3390/ijms25010025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 12/13/2023] [Accepted: 12/15/2023] [Indexed: 01/12/2024] Open
Abstract
Cold stress impacts woody tree growth and perennial production, especially when the temperature rapidly changes in late spring. To address this issue, we conducted the genome-wide identification of two important transcription factors (TFs), CBF (C-repeat binding factors) and ICE (inducers of CBF expression), in three walnut (Juglans) genomes. Although the CBF and ICE gene families have been identified in many crops, very little systematic analysis of these genes has been carried out in J. regia and J. sigillata. In this study, we identified a total of 16 CBF and 12 ICE genes in three Juglans genomes using bioinformatics analysis. Both CBF and ICE had conserved domains, motifs, and gene structures, which suggests that these two TFs were evolutionarily conserved. Most ICE genes are located at both ends of the chromosomes. The promoter cis-regulatory elements of CBF and ICE genes are largely involved in light and phytohormone responses. Based on 36 RNA sequencing of leaves from four walnut cultivars ('Zijing', 'Lvling', 'Hongren', and 'Liao1') under three temperature conditions (8 °C, 22 °C, and 5 °C) conditions in late spring, we found that the ICE genes were expressed more highly than CBFs. Both CBF and ICE proteins interacted with cold-related proteins, and many putative miRNAs had interactions with these two TFs. These results determined that CBF1 and ICE1 play important roles in the tolerance of walnut leaves to rapid temperature changes. Our results provide a useful resource on the function of the CBF and ICE genes related to cold tolerance in walnuts.
Collapse
Affiliation(s)
- Huijuan Zhou
- Xi’an Botanical Garden of Shaanxi Province, Institute of Botany of Shaanxi Province, Xi’an 710061, China;
| | - Jiayu Ma
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Sciences, Northwest University, Xi’an 710069, China; (J.M.); (H.L.)
| | - Hengzhao Liu
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Sciences, Northwest University, Xi’an 710069, China; (J.M.); (H.L.)
| | - Peng Zhao
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Sciences, Northwest University, Xi’an 710069, China; (J.M.); (H.L.)
| |
Collapse
|
4
|
Mehdi SMM, Szczesniak MW, Ludwików A. The Bro1-like domain-containing protein, AtBro1, modulates growth and abiotic stress responses in Arabidopsis. FRONTIERS IN PLANT SCIENCE 2023; 14:1157435. [PMID: 37251780 PMCID: PMC10213323 DOI: 10.3389/fpls.2023.1157435] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Accepted: 04/11/2023] [Indexed: 05/31/2023]
Abstract
Abscisic acid (ABA) affects plant physiology by altering gene expression, enabling plants to adapt to a wide range of environments. Plants have evolved protective mechanisms to allow seed germination in harsh conditions. Here, we explore a subset of these mechanisms involving the AtBro1 gene, which encodes one of a small family of poorly characterised Bro1-like domain-containing proteins, in Arabidopsis thaliana plants subjected to multiple abiotic stresses. AtBro1 transcripts were upregulated by salt, ABA and mannitol stress, while AtBro1-overexpression lines demonstrated robust tolerance to drought and salt stress. Furthermore, we found that ABA elicits stress-resistance responses in loss-of-function bro1-1 mutant plants and AtBro1 regulates drought resistance in Arabidopsis. When the AtBro1 promoter was fused to the β-glucuronidase (GUS) gene and introduced into plants, GUS was expressed mainly in rosette leaves and floral clusters, especially in anthers. Using a construct expressing an AtBro1-GFP fusion protein, AtBro1 was found to be localized in the plasma membrane in Arabidopsis protoplasts. A broad RNA-sequencing analysis revealed specific quantitative differences in the early transcriptional responses to ABA treatment between wild-type and loss-of-function bro1-1 mutant plants, suggesting that ABA stimulates stress-resistance responses via AtBro1. Additionally, transcripts levels of MOP9.5, MRD1, HEI10, and MIOX4 were altered in bro1-1 plants exposed to different stress conditions. Collectively, our results show that AtBro1 plays a significant role in the regulation of the plant transcriptional response to ABA and the induction of resistance responses to abiotic stress.
Collapse
Affiliation(s)
- Syed Muhammad Muntazir Mehdi
- Department of Biotechnology, Institute of Molecular Biology and Biotechnology, Faculty of Biology, Adam Mickiewicz University in Poznan, Poznan, Poland
| | - Michal Wojciech Szczesniak
- Institute of Human Biology and Evolution, Faculty of Biology, Adam Mickiewicz University in Poznan, Poznan, Poland
| | - Agnieszka Ludwików
- Department of Biotechnology, Institute of Molecular Biology and Biotechnology, Faculty of Biology, Adam Mickiewicz University in Poznan, Poznan, Poland
| |
Collapse
|
5
|
Jin Y, Wang B, Tian L, Zhao L, Guo S, Zhang H, Xu L, Han Z. Identification of miRNAs and their target genes associated with improved maize seed vigor induced by gibberellin. FRONTIERS IN PLANT SCIENCE 2022; 13:1008872. [PMID: 36176685 PMCID: PMC9514094 DOI: 10.3389/fpls.2022.1008872] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Accepted: 08/18/2022] [Indexed: 06/16/2023]
Abstract
High seed vigor is crucial for agricultural production owing to its potential in high quality and yield of crops and a better understanding of the molecular mechanism associated with maize seed vigor is highly necessary. To better understand the involvement and regulatory mechanism of miRNAs correlated with maize seed vigor, small RNAs and degradome sequencing of two inbred lines Yu537A and Yu82 were performed. A total of 791 mature miRNAs were obtained with different expressions, among of which 505 miRNAs were newly identified and the rest miRNAs have been reported before by comparing the miRNAs with the sequences in miRbase database. Analysis of miRNA families showed maize seeds contain fewer miRNA families and larger miRNA families compared with animals, indicating that functions of miRNAs in maize seeds were more synergistic than animals. Degradome sequencing was used to identify the targets of miRNAs and the results showed a total of 6,196 targets were obtained. Function analysis of differentially expressed miRNAs and targets showed Glycan degradation and galactose metabolism were closely correlated with improved maize seed vigor. These findings provide valuable information to understand the involvement of miRNAs with maize seed vigor and these putative genes will be valuable resources for improving the seed vigor in future maize breeding.
Collapse
Affiliation(s)
- Yunqian Jin
- College of Agronomy, Henan University of Science and Technology, Luoyang, China
- State Key Laboratory of Cotton Biology / Institute of Cotton Research of Chinese Academy of Agricultural Sciences / School of Agricultural Sciences, Zhengzhou University, Henan, Zhengzhou, China / Key Laboratory for Cotton Genetic Improvement, MOA, Anyang, Henan, China
| | - Bin Wang
- College of Agronomy, Henan University of Science and Technology, Luoyang, China
| | - Lei Tian
- College of Agronomy, Henan Agricultural University, Zhengzhou, China
| | - Linxi Zhao
- College of Agronomy, Henan University of Science and Technology, Luoyang, China
| | - Shulei Guo
- Cereal Institute, Henan Academy of Agricultural Science/Henan Provincial Key Laboratory of Maize Biology, Zhengzhou, China
| | - Hengchao Zhang
- College of Agronomy, Henan University of Science and Technology, Luoyang, China
| | - Lengrui Xu
- College of Agronomy, Henan University of Science and Technology, Luoyang, China
| | - Zanping Han
- College of Agronomy, Henan University of Science and Technology, Luoyang, China
| |
Collapse
|