机构:
Cold Spring Harbor Lab, Cold Spring Harbor, NY 11724 USANatl Univ Singapore, Temasek Life Sci Lab, Singapore 117604, Singapore
Calarco, Joseph P.
[4
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Susaki, Daichi
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机构:
Nagoya Univ, Grad Sch Sci, Div Biol Sci, Chikusa Ku, Nagoya, Aichi 4648602, JapanNatl Univ Singapore, Temasek Life Sci Lab, Singapore 117604, Singapore
Susaki, Daichi
[5
]
Lim, Pei Qi
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机构:
Natl Univ Singapore, Temasek Life Sci Lab, Singapore 117604, SingaporeNatl Univ Singapore, Temasek Life Sci Lab, Singapore 117604, Singapore
In mammals and plants, parental genomic imprinting restricts the expression of specific loci to one parental allele. Imprinting in mammals relies on sex-dependent de novo deposition of DNA methylation during gametogenesis but a comparable mechanism was not shown in plants. Rather, paternal silencing by the maintenance DNA methyltransferase 1 (MET1) and maternal activation by the DNA demethylase DEMETER (DME) cause maternal expression. However, genome-wide studies suggested other DNA methylation-dependent imprinting mechanisms. Here, we show that de novo RNA-directed DNA methylation (RdDM) regulates imprinting at specific loci expressed in endosperm. RdDM in somatic tissues is required to silence expression of the paternal allele. By contrast, the repression of RdDM in female gametes participates with or without DME requirement in the activation of the maternal allele. The contrasted activity of DNA methylation between male and female gametes appears sufficient to prime imprinted maternal expression. After fertilization, MET1 maintains differential expression between the parental alleles. RdDM depends on small interfering RNAs (siRNAs). The involvement of RdDM in imprinting supports the idea that sources of siRNAs such as transposons and de novo DNA methylation were recruited in a convergent manner in plants and mammals in the evolutionary process leading to selection of imprinted loci.
机构:
Campus Univ Autonoma Madrid, Dept Mol Cell & Dev Biol, Madrid, Spain
Campus Univ Autonoma Madrid, Dept Plant Mol Genet, Madrid, SpainCampus Univ Autonoma Madrid, Dept Mol Cell & Dev Biol, Madrid, Spain
Ausin, Israel
Greenberg, Maxim V. C.
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Campus Univ Autonoma Madrid, Dept Mol Cell & Dev Biol, Madrid, SpainCampus Univ Autonoma Madrid, Dept Mol Cell & Dev Biol, Madrid, Spain
Greenberg, Maxim V. C.
Li, Carey Fei
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机构:
Campus Univ Autonoma Madrid, Dept Mol Cell & Dev Biol, Madrid, Spain
Univ Calif Irvine, Dept Neurol, Inst Immunol, Irvine, CA 92717 USACampus Univ Autonoma Madrid, Dept Mol Cell & Dev Biol, Madrid, Spain
Li, Carey Fei
Jacobsen, Steven E.
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机构:
Campus Univ Autonoma Madrid, Dept Mol Cell & Dev Biol, Madrid, Spain
Univ Calif Los Angeles, Howard Hughes Med Inst, Los Angeles, CA 90024 USACampus Univ Autonoma Madrid, Dept Mol Cell & Dev Biol, Madrid, Spain
机构:
RIKEN, Plant Sci Ctr, Plant Genom Network Res Team, Plant Funct Genom Res Grp,Tsurumi Ku, Yokohama, Kanagawa 2300045, JapanRIKEN, Plant Sci Ctr, Plant Genom Network Res Team, Plant Funct Genom Res Grp,Tsurumi Ku, Yokohama, Kanagawa 2300045, Japan
Kurihara, Yukio
Matsui, Akihifo
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机构:
RIKEN, Plant Sci Ctr, Plant Genom Network Res Team, Plant Funct Genom Res Grp,Tsurumi Ku, Yokohama, Kanagawa 2300045, JapanRIKEN, Plant Sci Ctr, Plant Genom Network Res Team, Plant Funct Genom Res Grp,Tsurumi Ku, Yokohama, Kanagawa 2300045, Japan
Matsui, Akihifo
Kawashima, Makiko
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机构:
RIKEN, Plant Sci Ctr, Plant Genom Network Res Team, Plant Funct Genom Res Grp,Tsurumi Ku, Yokohama, Kanagawa 2300045, JapanRIKEN, Plant Sci Ctr, Plant Genom Network Res Team, Plant Funct Genom Res Grp,Tsurumi Ku, Yokohama, Kanagawa 2300045, Japan
Kawashima, Makiko
Kaminuma, Eli
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h-index: 0
机构:
RIKEN, Yokohama Inst, Bioinformat & Syst Engn Div, Tsurumi Ku, Kanagawa 2300045, JapanRIKEN, Plant Sci Ctr, Plant Genom Network Res Team, Plant Funct Genom Res Grp,Tsurumi Ku, Yokohama, Kanagawa 2300045, Japan
Kaminuma, Eli
Ishida, Junko
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机构:
RIKEN, Plant Sci Ctr, Plant Genom Network Res Team, Plant Funct Genom Res Grp,Tsurumi Ku, Yokohama, Kanagawa 2300045, JapanRIKEN, Plant Sci Ctr, Plant Genom Network Res Team, Plant Funct Genom Res Grp,Tsurumi Ku, Yokohama, Kanagawa 2300045, Japan
Ishida, Junko
Morosawa, Taeko
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h-index: 0
机构:
RIKEN, Plant Sci Ctr, Plant Genom Network Res Team, Plant Funct Genom Res Grp,Tsurumi Ku, Yokohama, Kanagawa 2300045, JapanRIKEN, Plant Sci Ctr, Plant Genom Network Res Team, Plant Funct Genom Res Grp,Tsurumi Ku, Yokohama, Kanagawa 2300045, Japan
Morosawa, Taeko
Mochizuki, Yoshiki
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机构:
RIKEN, Yokohama Inst, Bioinformat & Syst Engn Div, Tsurumi Ku, Kanagawa 2300045, JapanRIKEN, Plant Sci Ctr, Plant Genom Network Res Team, Plant Funct Genom Res Grp,Tsurumi Ku, Yokohama, Kanagawa 2300045, Japan
Mochizuki, Yoshiki
Kobayashi, Norio
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机构:
RIKEN, Yokohama Inst, Bioinformat & Syst Engn Div, Tsurumi Ku, Kanagawa 2300045, JapanRIKEN, Plant Sci Ctr, Plant Genom Network Res Team, Plant Funct Genom Res Grp,Tsurumi Ku, Yokohama, Kanagawa 2300045, Japan
Kobayashi, Norio
Toyoda, Tetsuro
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机构:
RIKEN, Yokohama Inst, Bioinformat & Syst Engn Div, Tsurumi Ku, Kanagawa 2300045, JapanRIKEN, Plant Sci Ctr, Plant Genom Network Res Team, Plant Funct Genom Res Grp,Tsurumi Ku, Yokohama, Kanagawa 2300045, Japan
Toyoda, Tetsuro
Shinozaki, Kazuo
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机构:
RIKEN, Plant Sci Ctr, Gene Discovery Res Team, Gene Discovery Res Grp, Tsukuba, Ibaraki 3050074, JapanRIKEN, Plant Sci Ctr, Plant Genom Network Res Team, Plant Funct Genom Res Grp,Tsurumi Ku, Yokohama, Kanagawa 2300045, Japan
Shinozaki, Kazuo
Seki, Motoaki
论文数: 0引用数: 0
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机构:
RIKEN, Plant Sci Ctr, Plant Genom Network Res Team, Plant Funct Genom Res Grp,Tsurumi Ku, Yokohama, Kanagawa 2300045, Japan
Yokohama City Univ, Kihara Inst Biol Res, Totsuka Ku, Yokohama, Kanagawa 2440813, JapanRIKEN, Plant Sci Ctr, Plant Genom Network Res Team, Plant Funct Genom Res Grp,Tsurumi Ku, Yokohama, Kanagawa 2300045, Japan