Abstract:
:Amaranth has been proposed as an exceptional alternative for food security and climate change mitigation. Information about the distribution, abundance, or specificity of miRNAs in amaranth species is scare. Here, small RNAs from seedlings under control, drought, heat, and cold stress conditions of the Amaranthus hypocondriacus variety "Gabriela" were sequenced and miRNA loci identified in the amaranth genome using the ShortStack software. Fifty-three genuine miRNA clustersthirty-nine belonging to conserved families, and fourteen novel, were identified. Identification of their target genes suggests that conserved amaranth miRNAs are involved in growth and developmental processes, as well as stress responses. MiR0005, an amaranth-specific miRNA, exhibited an unusual high level of expression, akin to that of conserved miRNAs. Overall, our results broaden our knowledge regarding the distribution, abundance and expression of miRNAs in amaranth, providing the basis for future research on miRNAs and their functions in this important species.
journal_name
Genomicsjournal_title
Genomicsauthors
Martínez Núñez M,Ruíz Rivas M,Gregorio Jorge J,Hernández PFV,Luna Suárez S,de Folter S,Chávez Montes RA,Rosas Cárdenas FFdoi
10.1016/j.ygeno.2020.11.027subject
Has Abstractpub_date
2021-01-01 00:00:00pages
88-103issue
1 Pt 1eissn
0888-7543issn
1089-8646pii
S0888-7543(20)32031-0journal_volume
113pub_type
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