2022
DOI: 10.3389/fpls.2022.1008872
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Identification of miRNAs and their target genes associated with improved maize seed vigor induced by gibberellin

Abstract: High seed vigor is crucial for agricultural production owing to its potential in high quality and yield of crops and a better understanding of the molecular mechanism associated with maize seed vigor is highly necessary. To better understand the involvement and regulatory mechanism of miRNAs correlated with maize seed vigor, small RNAs and degradome sequencing of two inbred lines Yu537A and Yu82 were performed. A total of 791 mature miRNAs were obtained with different expressions, among of which 505 miRNAs wer… Show more

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Cited by 5 publications
(4 citation statements)
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“…Healthy seed germination is an important event for high-yield and highquality maize and involves a series of physiological and genetic regulations, such as miR-NAs, an important class of non-coding RNAs [26]. GA is generally regarded as a phytohormone that releases seed dormancy and promotes seed germination [27]. However, ABA is another important phytohormone that regulates seed germination, and the GA-ABA ratio is a key factor in breaking and promoting seed germination [28].…”
Section: Discussionmentioning
confidence: 99%
“…Healthy seed germination is an important event for high-yield and highquality maize and involves a series of physiological and genetic regulations, such as miR-NAs, an important class of non-coding RNAs [26]. GA is generally regarded as a phytohormone that releases seed dormancy and promotes seed germination [27]. However, ABA is another important phytohormone that regulates seed germination, and the GA-ABA ratio is a key factor in breaking and promoting seed germination [28].…”
Section: Discussionmentioning
confidence: 99%
“…The Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) were performed by R packages. Associated miRNAs were predicted with 4 lncRNAs and DEGs by DIANA Tools, [ 7 ] miRcode, [ 8 ] miRbase [ 9 ] , ENCORI and miRwalk. [ 10 ] Cytoscape software was applied to visualize the lncRNA-miRNA-DEG co-expression network to be used to predict the function of lncRNA and its upstream and downstream regulatory relationships.…”
Section: Methodsmentioning
confidence: 99%
“…Los microRNAs (miRNAs) son RNAs pequeños no codificantes de entre 18 y 25 nucleótidos de longitud (Li & Yu, 2021). En plantas, actúan como reguladores esenciales de la expresión genética y están implicados en multitud de procesos de desarrollo y fisiológicos, tales como la morfogénesis de las hojas, transición juvenil-adulto, floración, vigor de las semillas, asimilación de nutrientes, así como la respuesta a estrés biótico y abiótico (Jin et al, 2022;Dong et al, 2022). El mecanismo de acción de los miRNAs depende de la complementariedad de secuencias con un RNA mensajero (mRNA) al cual se unen; con la ayuda de una proteína ARGONAUTA (AGO) que tiene actividad de nucleasa, escinden el mRNA o interrumpen su traducción a proteína.…”
Section: Introductionunclassified