Exploring the sound-modulated delay in tomato ripening through expression analysis of coding and non-coding RNAs

Annals of Botany
Joo Yeol KimChoong-Min Ryu

Abstract

Sound is omnipresent in nature. Recent evidence supports the notion that naturally occurring and artificially generated sound waves induce inter- and intracellular changes in plants. These changes, in turn, lead to diverse physiological changes, such as enhanced biotic and abiotic stress responses, in both crops and model plants. We previously observed delayed ripening in tomato fruits exposed to 1 kHz sound vibrations for 6 h. Here, we evaluated the molecular mechanism underlying this delaying fruit ripening by performing RNA-sequencing analysis of tomato fruits at 6 h, 2 d, 5 d and 7 d after 1 kHz sound vibration treatment. Bioinformatic analysis of differentially expressed genes and non-coding small RNAs revealed that some of these genes are involved in plant hormone and cell wall modification processes. Ethylene and cytokinin biosynthesis and signalling-related genes were downregulated by sound vibration treatment, whereas genes involved in flavonoid, phenylpropanoid and glucan biosynthesis were upregulated. Furthermore, we identified two sound-specific microRNAs and validated the expression of the pre-microRNAs and the mRNAs of their target genes. Our results indicate that sound vibration helps to delay fruit ripening thro...Continue Reading

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Citations

Dec 19, 2019·Frontiers in Plant Science·Muriel QuinetStanley Lutts
Oct 14, 2020·Plant Signaling & Behavior·Francesca FrongiaLaura Arru

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Datasets Mentioned

BETA
GSE106337

Methods Mentioned

BETA
RNA-seq
electrophoresis
PCR
reverse transcription PCR

Software Mentioned

STAR
Pro Tools M - Powered
DAVID
ReviGO
DAVID Bioinformatics Resources
R

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