Populus

Sex-biased genes

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Species Name Name Description Protein homology Other info Source
Populus sp. ARR17 Orthologue of Arabidopsis response regulator 17 (ARR17). Type-A response regulator implicated in the negative regulation of the plant hormone cytokinin. Regulation of hormone signaling pathways are crucial for the development of female/male patterns. Inverted repeats of this gene were found in the male-specific region on chr Y, producing small non-coding RNAs, which are affecting the expression of the actual ARR17, by producing male-specific methylation patterns (viz. Loci/sequence category). Orthologue of Arabidopsis response regulator 17 (ARR17). https://doi.org/10.1038/s41477-020-0672-9
Populus balsamifera Function of sex-biased genes Sex-biased expression mainly in floral tissue, almost nothing in leaf tissue. Female- biased genes associated with photosynthesis,male-biased genes with mitochondrial function. No elevated rates of protein evolution in sex-biased genes. Sex-biased expression probably due to energetic reasons associated with flowering. https://doi.org/10.1111/nph.15421

Sex-chrom database 2021