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- W2525172329 abstract "Bidirectional gene pairs are highly abundant and mostly co-regulated in eukaryotic genomes. The structural features of bidirectional promoters (BDPs) have been well studied in yeast, humans and plants. However, the underlying mechanisms responsible for the coexpression of BDPs remain understudied, especially in plants. Here, we characterized chromatin features associated with rice BDPs. Several unique chromatin features were present in rice BDPs but were missing from unidirectional promoters (UDPs), including overrepresented active histone marks, canonical nucleosomes and underrepresented H3K27me3. In particular, overrepresented active marks (H3K4ac, H4K12ac, H4K16ac, H3K4me2 and H3K36me3) were truly overrepresented in type I BDPs but not in the other two BDPs, based on a Kolmogorov-Smirnov test. Our analyses indicate that active marks (H3K4ac, H4K12ac, H4K16ac, H3K4me3, H3K9ac and H3K27ac) may coordinate with repressive marks (H3K27me3 and H3K9me1/3) to build a unique chromatin structure that favors the coregulation of bidirectional gene pairs. Thus, our findings help to enhance the understanding of unique epigenetic mechanisms that regulate bidirectional gene pairs and may improve the manipulation of gene pairs for crop bioengineering." @default.
- W2525172329 created "2016-10-07" @default.
- W2525172329 creator A5000963442 @default.
- W2525172329 creator A5017553989 @default.
- W2525172329 creator A5022121149 @default.
- W2525172329 creator A5026129964 @default.
- W2525172329 creator A5026608819 @default.
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- W2525172329 creator A5042357669 @default.
- W2525172329 creator A5062234288 @default.
- W2525172329 creator A5079263322 @default.
- W2525172329 creator A5088197557 @default.
- W2525172329 date "2016-09-30" @default.
- W2525172329 modified "2023-10-12" @default.
- W2525172329 title "Histone modifications facilitate the coexpression of bidirectional promoters in rice" @default.
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