Regulation of small RNA-mediated high temperature stress responses in crop plants

Singh, Roshan Kumar; Prasad, Ashish; Maurya, Jyoti; Prasad, Manoj

doi:10.1007/s00299-021-02745-x

Cited by 26 publications

(15 citation statements)

References 60 publications

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“…miRNAs play an important role in repressing and cleaving genes at the post-transcriptional level. Md-miR156ab and Md-miR395 could regulate MdWRKYN1 and MdWRKY26 in the response to fungal pathogens in M. domestica [ 79 ]; tae-mir159a was observed to target wheat WRKY gene under heat stress [ 80 ]; Ha-miR396 targeted WRKY6 to regulate the early responses to high temperature in H. annuus [ 66 ]; moreover, the main role of miR159 was the WRKY TFs [ 81 ]. In the current study, there was not a simple one-to-one relationship between miRNAs and AsWRKYs.…”

Section: Discussionmentioning

confidence: 99%

Genome-Wide Identification and Characterization of the Oat (Avena sativa L.) WRKY Transcription Factor Family

Liu

Jia

et al. 2022

Genes

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The WRKY family is widely involved in the regulation of plant growth and stress response and is one of the largest gene families related to plant environmental adaptation. However, no systematic studies on the WRKY family in oat (Avena sativa L.) have been conducted to date. The recently published complete genome sequence of oat enables the systematic analysis of the AsWRKYs. Based on a genome-wide study of oat, we identified 162 AsWRKYs that were unevenly distributed across 21 chromosomes; a phylogenetic tree of WRKY domains divided these genes into three groups (I, II, and III). We also analyzed the gene duplication events and identified a total of 111 gene pairs that showed strong purifying selection during the evolutionary process. Surprisingly, almost all genes evolved after the completion of subgenomic differentiation of hexaploid oat. Further studies on the functional analysis indicated that AsWRKYs were widely involved in various biological processes. Notably, expression patterns of 16 AsWRKY genes revealed that the response of AsWRKYs were affected by stress level and time. In conclusion, this study provides a reference for further analysis of the role of WRKY transcription factors in species evolution and functional differentiation.

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Section: Discussionmentioning

confidence: 99%

Genome-Wide Identification and Characterization of the Oat (Avena sativa L.) WRKY Transcription Factor Family

Liu

Jia

et al. 2022

Genes

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“…TCP transcription factors could affect plant growth, development and multiple physiological processes [63], including gametophyte development, seed germination, floral organ and leaf development [3,4,21,64,65]. Moreover, it is well known that microRNA (miRNA) control key biological processes in plants [66][67][68][69][70]. Among them, miR319 has been extensively studied for its roles in regulating leaf shape development due to its close relationship with TCP genes.…”

Section: Discussionmentioning

confidence: 99%

Genome-Wide Identification and Expression Pattern Analysis of the TCP Gene Family in Radish (Raphanus sativus L.)

Man¹,

Liu²,

Zheng³

et al. 2022

Horticulturae

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TCP transcription factors are a unique transcription family in higher plants, and play important roles in plant development, responses to environmental stresses and phytohormones. Radish is an important crop and widely cultivated worldwide. However, genome-wide identification and expression analysis of TCP family in radish has not been reported yet. In this study, 32 RsTCP genes were identified from the whole genome. Phylogenetic analysis showed that the RsTCP family can be divided into two major groups and three subgroups, namely Class I (PCF), Class II (CIN), and Class II (CYC/TB1). Chromosome mapping showed that 32 genes were distributed on all nine chromosomes of radish. Transcriptome data indicated that the transcription of RsTCP genes differed between tissues and developmental stages. Multiple phytohormone-related cis-acting elements in the promoter region of RsTCPs and several post-translational modification sites in RsTCP protein sequences were identified. The real-time quantitative PCR (RT-qPCR) analysis indicated that several RsTCP genes changed significantly in response to the treatments, including low temperature, drought, salt, gibberellin (GA3), and abscisic acid. Among them, RsTCP16 showed significantly higher levels in leaves than in other radish tissues, and the transcription of RsTCP16 was significantly upregulated under the five treatments, especially during low temperature, salt shock, and GA3 response, suggesting that RsTCP16 could be involved in the development of radish leaves and the response to stress. In summary, these results provided a basis for further exploring the molecular mechanism of RsTCP genes in radish.

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“… Illustrations of siRNA biogenesis in plants (Ref Borges et al, 2018 ; Singh et al, 2021 ). (A) miRNA biogenesis model derived from MIR gene.…”

Section: Srna Biogenesismentioning

confidence: 99%

“…RdDM can not only maintain long-term genome stability by inhibiting transposable elements but also ensure plants’ life activities under stress conditions by regulating gene expression ( Rymen et al, 2020 ; Guo et al, 2021 ). High temperature stress usually promotes RdDM ( Singh et al, 2021 ), which inhibits the expression of ROS1 gene due to hypermethylation and affects seed germination ( Malabarba et al, 2021 ). The slowdown of life activities may be beneficial to tolerate high temperature environments.…”

Section: Srna Functionsmentioning

confidence: 99%

Biogenesis, Trafficking, and Function of Small RNAs in Plants

Tang

Yan

et al. 2022

Front. Plant Sci.

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Small RNAs (sRNAs) encoded by plant genomes have received widespread attention because they can affect multiple biological processes. Different sRNAs that are synthesized in plant cells can move throughout the plants, transport to plant pathogens via extracellular vesicles (EVs), and transfer to mammals via food. Small RNAs function at the target sites through DNA methylation, RNA interference, and translational repression. In this article, we reviewed the systematic processes of sRNA biogenesis, trafficking, and the underlying mechanisms of its functions.

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Regulation of small RNA-mediated high temperature stress responses in crop plants

Cited by 26 publications

References 60 publications

Genome-Wide Identification and Characterization of the Oat (Avena sativa L.) WRKY Transcription Factor Family

Genome-Wide Identification and Characterization of the Oat (Avena sativa L.) WRKY Transcription Factor Family

Genome-Wide Identification and Expression Pattern Analysis of the TCP Gene Family in Radish (Raphanus sativus L.)

Biogenesis, Trafficking, and Function of Small RNAs in Plants

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