An Integrated Metabolomic and Gene Expression Analysis of 'Sachinoka' Strawberry and Its Somaclonal Mutant Reveals Fruit Color and Volatiles Differences

Overview

Journal Plants (Basel)

Date 2023 Jan 8

PMID 36616212

Authors

Ruiqing Bian

Shuang Yu

Xinyu Song

Jinxiang Yao

Junxiang Zhang

Zhihong Zhang

Affiliations

Soon will be listed here.

Abstract

Plant tissue culture produces a wide range of genetic variations which are useful for quality improvement of the plant species. However, the differences in metabolic components and the key genes responsible for the difference in metabolic components between somaclonal variation and the original parent are still largely unknown. In this study, a mutant named 'Mixue' was identified with somaclonal variation of the 'Sachinoka' strawberry. The contents of pelargonidin-3--glucoside and cyanidin-3--glucoside in the red fruit of 'Mixue' were significantly decreased compared with 'Sachinoka'. In comparison with 'Sachinoka', the expression levels of , , and in the turning fruit of 'Mixue' were significantly down-regulated, while the expression of was significantly up-regulated in the red fruit. 'Sachinoka' and 'Mixue' fruits were found to have 110 volatile components. Among them, 15 volatile components in the red fruit of 'Mixue' were significantly increased compared with 'Sachinoka', such as nerolidol, benzaldehyde, ethyl hexanoate, ethyl isovalerate, which led to an enhanced aroma in 'Mixue' and might result from the up-regulated expression of , and in 'Mixue'. These results provide useful information on the effect of somaclonal variation on metabolic components of strawberry fruit and lay the foundation for the improvement in quality of strawberry.

Citing Articles

Comparative Characterization of Fruit Volatiles and Volatile-Related Genes Expression of 'Benihoppe' Strawberry and Its Somaclonal Mutant.

Zhang Z, Yu S, Zhang Z, Zhang J, Li H Plants (Basel). 2023; 12(5).

PMID: 36903969 PMC: 10005569. DOI: 10.3390/plants12051109.

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