The effects of nested miRNAs and their host genes on immune defense against Bacillus thuringiensis infection in Caenorhabditis elegans

Zárate-Potes, Alejandra and Yang, Wentao and Andresen, Bentje and Nakad, Rania and Haase, Daniela and Rosenstiel, Philip and Dierking, Katja and Schulenburg, Hinrich (2021) The effects of nested miRNAs and their host genes on immune defense against Bacillus thuringiensis infection in Caenorhabditis elegans. Developmental and comparative immunology, 123. ISSN 0145-305X

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Abstract

microRNAs (miRNAs) are small non-coding RNA-molecules that influence translation by binding to the target gene mRNA. Many miRNAs are found in nested arrangements within larger protein-coding host genes. miRNAs and host genes in a nested arrangement are often transcribed simultaneously, which may indicate that both have similar functions. miRNAs have been implicated in regulating defense responses against pathogen infection in C. elegans and in mammals. Here, we asked if miRNAs in nested arrangements and their host genes are involved in the C. elegans response against infection with Bacillus thuringiensis (Bt). We performed miRNA sequencing and subsequently focused on four nested miRNA-host gene arrangements for a functional genetic analysis. We identified mir-58.1 and mir-2 as negative regulators of C. elegans resistance to Bt infection. However, we did not find any miRNA/host gene pair in which both contribute to defense against Bt.

Item Type:
Journal Article
Journal or Publication Title:
Developmental and comparative immunology
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/2400/2403
Subjects:
ID Code:
175175
Deposited By:
Deposited On:
09 Sep 2022 10:20
Refereed?:
Yes
Published?:
Published
Last Modified:
09 Sep 2022 10:20