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Dynamic changes in transposable element and gene methylation in mulberry ( Morus notabilis ) in response to Botrytis cinerea by Youchao Xin; Bi Ma; Qiwei Zeng; Wenmin He; Meiling Qin; Ningjia He is a Agricultural and Biological Sciences article available to read on EtoBox.

What is Dynamic changes in transposable element and gene methylation in mulberry ( Morus notabilis ) in response to Botrytis cinerea about?

DNA methylation has been proposed to regulate plant stress resistance. However, the dynamic changes in DNA methylation in woody plants and their correlations with pathogenic responses are not fully understood. Here, we present single-base maps of the DNA methylomes of mulberry (__Morus notabilis__) leaves that were subjected to a mock treatment or inoculation with __Botrytis cinerea__. Compared with the former, the latter showed decreased mCG and mCHG levels and increased mCHH levels. DNA methylation inhibitors reduced resistance gene methylation levels and enhanced mulberry resistance, suggesting that the hypomethylation of resistance genes affects mulberry resistance to __B. cinerea__. Virus-induced gene silencing of __MnMET1__ enhanced the expression of mulberry-resistance genes, thereby increasing the plant’s resistance to __B. cinerea__. We also found that __MITE__s play a dominant role in controlling DNA methylation levels. __MITE__s appear to be the main sources of 24-nt siRNAs that regulate gene expression through the RNA-directed DNA methylation pathway.

Who reads Dynamic changes in transposable element and gene methylation in mulberry ( Morus notabilis ) in response to Botrytis cinerea?

Author

Youchao Xin; Bi Ma; Qiwei Zeng; Wenmin He; Meiling Qin; Ningjia He

Publisher

Oxford University Press (OUP)

Published

2021

Language

EN

Field

Agricultural and Biological Sciences (Life Sciences)