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  • Title: Transcriptomic profiling and characterization of microRNAs in Macrobrachium rosenbergii potentially involved in immune response to Enterobacter cloacae infection.
    Author: Zhang L, Xu S, Zhang Z, Zhang X, Liu X.
    Journal: Microb Pathog; 2023 Oct; 183():106291. PubMed ID: 37557932.
    Abstract:
    Enterobacter cloacae is a member of the Enterobacter family, which could prevent Macrobrachium rosenbergii from growing and cause mass mortality. However, no research has focused on microRNA immunity in M. rosenbergii infected with E. cloacae. To clarify the immune response mechanisms, transcriptomic analysis was performed on the miRNAs of M. rosenbergii infected with E. cloacae YZ3 strain. Following quality screening, 10,616,712 clean reads were obtained from the control group and 12,726,421 from the infected group. Among 899 known miRNAs, 446 differentially expressed miRNAs (DEMs) were identified. Meanwhile, 59 novel miRNAs were predicted, along with 39 DEMs. Target genes of DEMs have been predicted in order to gain a deeper understanding of the immune-related functions. GO and KEGG pathway analysis revealed the biological functions and signaling pathways of target genes. The results indicated that E. cloacae significantly affected the NOD-like receptor, RIG-I-like receptor and Toll-like receptor pathways. Ten DEMs were randomly selected, and their expression level was verified by Quantitative Real-time PCR technology. Overall, this study highlights the influential role of miRNAs in the innate immune system of M. rosenbergii, which has important implications for developing new strategies to prevent and treat related diseases in the future.
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