Regulatory roles of noncoding RNAs in callus induction and plant cell dedifferentiation

Bravo-Vázquez, Luis Alberto; Angulo-Bejarano, Paola Isabel; Bandyopadhyay, Anindya; Sharma, Ashutosh; Paul, Sujay

doi:10.1007/s00299-023-02992-0

Cited by 4 publications

(2 citation statements)

References 129 publications

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“…Moreover, several miRNAs (microRNAs) and their targets were identified in embryogenic and non-embryogenic calli derived from plumular explants. This information details the gene regulatory mechanism involved in SE [75,76].…”

Section: Gene Regulatory Mechanism During the Development Of Sementioning

confidence: 99%

Transcriptional Regulations and Hormonal Signaling during Somatic Embryogenesis in the Coconut Tree: An Insight

Khan,

Li,

Shi

et al. 2023

Forests

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The coconut palm (Cocos nucifera L.) is a perennial, cross-pollinated, oil-bearing tropical forest tree. Recently, the demand for coconut goods has surged to 5 to 10 times its former value; however, coconut production is in jeopardy. Coconut senility is one of the most apparent factors that influence productivity. Adequate replanting is urgently required to maintain the growing demand for coconut products. However, coconut palm mass replanting might not be possible with traditional approaches. To overcome this snag, micropropagation via somatic embryogenesis (SE) has enormous potential for proficient clonal propagation in the coconut palm. During SE, the stimulation of cell proliferation, acquisition of embryogenic cell competence, and induction of somatic embryos undergo a series of developmental events. This phenomenon requires regulation in gene expression patterns and the activation of specific signaling pathways. This review summarizes gene regulatory mechanisms involved in the cell cycle, dedifferentiation, totipotency, embryo initiation, and meristem development during somatic embryo formation. Plant hormonal signal transduction is also highlighted during the formation of SE in coconut.

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Section: Gene Regulatory Mechanism During the Development Of Sementioning

confidence: 99%

Transcriptional Regulations and Hormonal Signaling during Somatic Embryogenesis in the Coconut Tree: An Insight

Khan,

Li,

Shi

et al. 2023

Forests

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“… 1 They exert a pivotal control on the post-transcriptional regulation of gene expression by virtue of their capability to mediate the degradation or translational inhibition of messenger RNAs (mRNAs). 1 As a matter of fact, plant miRNAs have been widely associated with several biological functions, including development and reproduction, 2 cell reprogramming, 3 secondary metabolism, 4 and biotic and abiotic stress responses. 5 …”

Section: Introductionmentioning

confidence: 99%

Identification and expression profiling of microRNAs in leaf tissues of Foeniculum vulgare Mill. under salinity stress

Bravo-Vázquez,

García-Ortega,

Medina-Feria

et al. 2024

Plant Signaling & Behavior

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Analysis of the potential involvement of lncRNAs in embryogenic competence of Solanum betaceum Cav. (tamarillo) calli

Cordeiro,

Camelo,

Pedrosa

et al. 2024

Plant Cell Tiss Organ Cult

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Somatic embryogenesis (SE) is a process by which somatic cells reprogram, acquire totipotency and embark on embryo formation. Although SE is a valuable tool for micropropagation in many crops, it presents specific challenges in woody species due to some bottlenecks, such as loss of embryogenic competence during subcultures and the often-low somatic embryo conversion into plantlets. Hence, great interest exists in exploring the regulatory networks involved on SE. As transcription modulators, long non-coding RNAs (lncRNAs) have been found essential in a wide range of biological processes. This work aimed to identify lncRNAs related to the embryogenic competence in Solanum betaceum Cav. (tamarillo). Nanopore® long-read sequencing was conducted in cell lines with distinct cell fates and, based on their coding potential, 60 transcripts were selected as lncRNA candidates. Similar expression patterns were found among embryogenic cell lines (EC) and cells that lost their embryogenic potential (herein long-term callus, LTC), whereas non-EC (NEC) showed differentially expressed lncRNAs. Whereas lncRNAs upregulated in EC and LTC were predicted to target embryogenesis-related genes, such as AGAMOUS-like 15 and WUSCHEL-related HOMEOBOX 2, lncRNAs upregulated in NEC were predicted to target mainly genes involved in carbohydrate metabolism, cell wall formation, auxin and ethylene signalling pathways. Altogether, these results show the involvement of lncRNA in the process of somatic embryogenesis in S. betaceum, indicating that EC present a pattern of lncRNA expression that suggests its action on genes that directly modulate the morphogenic response in vitro, while in NEC the modulation through this type of RNAs seems to be predominantly reflected in genes more related to cellular physiology. Graphical Abstract

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Regulatory roles of noncoding RNAs in callus induction and plant cell dedifferentiation

Cited by 4 publications

References 129 publications

Transcriptional Regulations and Hormonal Signaling during Somatic Embryogenesis in the Coconut Tree: An Insight

Transcriptional Regulations and Hormonal Signaling during Somatic Embryogenesis in the Coconut Tree: An Insight

Identification and expression profiling of microRNAs in leaf tissues of Foeniculum vulgare Mill. under salinity stress

Analysis of the potential involvement of lncRNAs in embryogenic competence of Solanum betaceum Cav. (tamarillo) calli

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