Small RNA profiling reveals that an ovule-specific microRNA, cja-miR5179, targets a B-class MADS-box gene in Camellia japonica.

ABSTRACT:

Background and aims

The functional specialization of microRNA and its target genes is often an important factor in the establishment of spatiotemporal patterns of gene expression that are essential to plant development and growth. In different plant lineages, understanding the functional conservation and divergence of microRNAs remains to be explored.

Methods

To identify small regulatory RNAs underlying floral patterning, we performed a tissue-specific profiling of small RNAs in various floral organs from single and double flower varieties (flowers characterized by multiple layers of petals) in Camellia japonica. We identified cja-miR5179, which belongs to a deeply conserved microRNA family that is conserved between angiosperms and basal plants but frequently lost in eudicot

SUBMITTER: Ma X 

PROVIDER: S-EPMC10808017 | biostudies-literature | 2023 Nov

REPOSITORIES: biostudies-literature