The meiotic transcriptome architecture of plants
2014
Stefanie eDukowic-Schulze | Changbin eChen
Although a number of genes that play key roles during the meiotic process have been characterized in great detail, the whole process of meiosis is still not completely unraveled. To gain insight into the bigger picture, large-scale approaches like RNA-seq and microarray can help to elucidate the transcriptome landscape during meiosis, discover co-regulated genes, enriched processes, and highly expressed known and unknown genes which might be important for meiosis. These high-throughput studies are gaining more and more popularity, but their beginnings reach back as far as the 1960´s. Frequently whole anthers or post-meiotic pollen were investigated, while less data is available on isolated cells during meiosis and only few studies that addressed the transcriptome of female meiosis. For this review, we compiled studies covering different plant species, and summarized and compared their key findings. Besides pointing to consistent as well as unique discoveries, we finally draw conclusions what can be learned from these studies and how to follow up on them in the future.
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