Sequence analysis and expression patterns of histone H2A variants in Phytophthora infestans
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National Natural Science Foundation of China (No. 30270862).

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    Abstract:

    In eukaryotic cells, DNA is packaged inside the nucleus together with histones to form nucleosomes. Each histone molecule contains two of each core histone subunits H2A, H2B, H3 and H4. Among core histones, the H2A family is of great interest due to the high diversity of specialized variants. These variants have shown important role in critical cellular processes. Epigenetic mechanism in oomycetes is barely known. Phytophthora infestans is a severe pathogen and a model species in oomycetes. In this study, we studied the sequence and expression pattern of H2A variants of P. infestans through genome search, sequences alignment, phylogenetic analysis and realtime qPCR detection. P. infestans contains conserved genes encoding histone variants H2A.X.1, H2A.X.2 and H2A.Z, and these genes have specific expression patterns during development and infection stages. Our datasets provide useful inputs to help explore the epigenetic mechanisms of oomycetes.

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汪晓雯,国立耘. 致病疫霉组蛋白H2A变异体序列与表达[J]. Chinese Journal of Biotechnology, 2016, 32(11): 1564-1575

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  • Received:March 18,2016
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  • Online: October 26,2016
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