Expression Analysis of Argonaute Genes in Maize ( L.) in Response to Abiotic Stress

Overview

Journal Hereditas

Specialty Genetics

Date 2019 Aug 2

PMID 31367213

Citations 15

Authors

Lihong Zhai

Feng Teng

Kangpeng Zheng

Juan Xiao

Wenbin Deng

Wei Sun

Affiliations

Soon will be listed here.

Abstract

Background: Argonaute (AGO) protein is a kind of RNA binding protein that plays an integral role in the gene-silencing pathways guided by small RNAs. But there are few studies about the regulation of AGO genes responded to diverse abiotic stress in maize.

Results: In this study, we analyzed the expression of seventeen ZmAGO genes under heat, cold, salinity, drought and ABA treatments using quantitative PCR (qPCR). All showed differential expression modes under various abiotic stress treatments. Two ( and ) and other fifteen ZmAGOs exhibited specific up-regulation in response to heat separately. Several genes are very sensitive to cold stress, but many genes are slow to respond to NaCl treatment. Nine genes (, , , , , and ) presented definite up-regulation in response to drought, which were similar to the pattern of gene regulation under abscisic acid (ABA) treatment.

Conclusions: Various genes respond to different abiotic stress treatments. These results provide fundamental information and insights for the further study on the role of abiotic stress resistance genes in maize and provide basis for further study on the function of AGO genes in response to abiotic stress in maize.

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