Fig. 5
![Fig. 5](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12870-019-1892-x/MediaObjects/12870_2019_1892_Fig5_HTML.png)
RNA-seq and qRT-PCR analysis of GhWOX genes during different stages of fiber development. a Heat map showing the relative expression levels of the GhWOX genes during different stages of fiber growth based on RNA-seq data. b Expression profiling of the GhWOX13 subfamily genes during cotton fiber development. Gene expression data were obtained from qRT-PCR assays with three independent replicates. The G. hirsutum ubiquitin gene GhUBQ7 was used to normalize the expression of the GhWOX genes