Affiliation:
1. Department of Biotechnology, College of Agriculture Junagadh Agricultural University Junagadh Gujarat India
Abstract
AbstractThe present study employed microRNA (miRNA) sequencing and metabolome profiling of Trichoderma parental strains and fusants during normal growth and interaction with the phytopathogen Sclerotium rolfsii Sacc. In‐vitro antagonism indicated that abiotic stress‐tolerant Tricho‐fusant FU21 was examined as a potent biocontroller with mycoparasitic action after 10 days. During interaction with the test pathogen, the most abundant uprising intracellular metabolite was recognized as
l‐proline, which corresponds to held‐down
l‐alanine, associated with arginine and proline metabolism, biosynthesis of secondary metabolites, and nitrogen metabolism linked to predicted genes controlled by miRNAs viz., cel‐miR‐8210‐3p, hsa‐miR‐3613‐5p, and mml‐miR‐7174‐3p. The miRNAs‐ mml‐miR‐320c and mmu‐miR‐6980‐5p were found to be associated with phenylpropanoid biosynthesis, transcription factors, and signal transduction pathways, respectively, and were ascertained downregulated in potent FU21_IB compared with FU21_CB. The amino benzoate degradation and T cell receptor signaling pathways were regulated by miRNAs cel‐miR‐8210 and tca‐miR‐3824 as stress tolerance mechanisms of FU21. The intracellular metabolites
l‐proline, maleic acid,
d‐fructose, Myo‐inositol, arabinitol,
d‐xylose, mannitol, and butane were significantly elevated as potential biocontrol and stress‐tolerant constituents associated with miRNA regulatory pathways in potent FU21_IB. A network analysis between regulatory miRNA‐predicted genes and intracellular metabolomics acknowledged possible biocontrol pathways/mechanisms in potent FU21_IB to restrain phytopathogen.
Subject
Cell Biology,Clinical Biochemistry,Physiology
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