Histone H3K9 Methyltransferase G9a in Oocytes Is Essential for Preimplantation Development but Dispensable for CG Methylation Protection

Summary: Mammalian histone methyltransferase G9a (also called EHMT2) deposits H3K9me2 on chromatin and is essential for postimplantation development. However, its role in oogenesis and preimplantation development remains poorly understood. We show that H3K9me2-enriched chromatin domains in mouse ooc...
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Autor*in:	Wan Kin Au Yeung [verfasserIn] Julie Brind’Amour [verfasserIn] Yu Hatano [verfasserIn] Kazuo Yamagata [verfasserIn] Robert Feil [verfasserIn] Matthew C. Lorincz [verfasserIn] Makoto Tachibana [verfasserIn] Yoichi Shinkai [verfasserIn] Hiroyuki Sasaki [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2019

Übergeordnetes Werk:	In: Cell Reports - Elsevier, 2015, 27(2019), 1, Seite 282-293.e4
Übergeordnetes Werk:	volume:27 ; year:2019 ; number:1 ; pages:282-293.e4

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.1016/j.celrep.2019.03.002

Katalog-ID:	DOAJ001850113

Internformat


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245	1	0	\|a Histone H3K9 Methyltransferase G9a in Oocytes Is Essential for Preimplantation Development but Dispensable for CG Methylation Protection
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520			\|a Summary: Mammalian histone methyltransferase G9a (also called EHMT2) deposits H3K9me2 on chromatin and is essential for postimplantation development. However, its role in oogenesis and preimplantation development remains poorly understood. We show that H3K9me2-enriched chromatin domains in mouse oocytes are generally depleted of CG methylation, contrasting with their association in embryonic stem and somatic cells. Oocyte-specific disruption of G9a results in reduced H3K9me2 enrichment and impaired reorganization of heterochromatin in oocytes, but only a modest reduction in CG methylation is detected. Furthermore, in both oocytes and 2-cell embryos, G9a depletion has limited impact on the expression of genes and retrotransposons. Although their CG methylation is minimally affected, preimplantation embryos derived from such oocytes show abnormal chromosome segregation and frequent developmental arrest. Our findings illuminate the functional importance of G9a independent of CG methylation in preimplantation development and call into question the proposed role for H3K9me2 in CG methylation protection in zygotes. : Au Yeung et al. report that H3K9 methyltransferase G9a in mouse oocytes is essential for preimplantation development. Contrary to the previous model, however, maternal G9a is dispensable for CG methylation protection in zygotes and is instead important for chromatin reorganization in oocytes and proper chromosome segregation in preimplantation embryos. Keywords: oocyte, preimplantation embryo, histone modification, DNA methylation, G9a, H3K9me2, chromatin organization, chromosome segregation
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700	0		\|a Makoto Tachibana \|e verfasserin \|4 aut
700	0		\|a Yoichi Shinkai \|e verfasserin \|4 aut
700	0		\|a Hiroyuki Sasaki \|e verfasserin \|4 aut
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publishDate	2019
allfields	10.1016/j.celrep.2019.03.002 doi (DE-627)DOAJ001850113 (DE-599)DOAJe80322b9adb744f09afd94c11f84bdf1 DE-627 ger DE-627 rakwb eng QH301-705.5 Wan Kin Au Yeung verfasserin aut Histone H3K9 Methyltransferase G9a in Oocytes Is Essential for Preimplantation Development but Dispensable for CG Methylation Protection 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Summary: Mammalian histone methyltransferase G9a (also called EHMT2) deposits H3K9me2 on chromatin and is essential for postimplantation development. However, its role in oogenesis and preimplantation development remains poorly understood. We show that H3K9me2-enriched chromatin domains in mouse oocytes are generally depleted of CG methylation, contrasting with their association in embryonic stem and somatic cells. Oocyte-specific disruption of G9a results in reduced H3K9me2 enrichment and impaired reorganization of heterochromatin in oocytes, but only a modest reduction in CG methylation is detected. Furthermore, in both oocytes and 2-cell embryos, G9a depletion has limited impact on the expression of genes and retrotransposons. Although their CG methylation is minimally affected, preimplantation embryos derived from such oocytes show abnormal chromosome segregation and frequent developmental arrest. Our findings illuminate the functional importance of G9a independent of CG methylation in preimplantation development and call into question the proposed role for H3K9me2 in CG methylation protection in zygotes. : Au Yeung et al. report that H3K9 methyltransferase G9a in mouse oocytes is essential for preimplantation development. Contrary to the previous model, however, maternal G9a is dispensable for CG methylation protection in zygotes and is instead important for chromatin reorganization in oocytes and proper chromosome segregation in preimplantation embryos. Keywords: oocyte, preimplantation embryo, histone modification, DNA methylation, G9a, H3K9me2, chromatin organization, chromosome segregation Biology (General) Julie Brind’Amour verfasserin aut Yu Hatano verfasserin aut Kazuo Yamagata verfasserin aut Robert Feil verfasserin aut Matthew C. Lorincz verfasserin aut Makoto Tachibana verfasserin aut Yoichi Shinkai verfasserin aut Hiroyuki Sasaki verfasserin aut In Cell Reports Elsevier, 2015 27(2019), 1, Seite 282-293.e4 (DE-627)684964562 (DE-600)2649101-1 22111247 nnns volume:27 year:2019 number:1 pages:282-293.e4 https://doi.org/10.1016/j.celrep.2019.03.002 kostenfrei https://doaj.org/article/e80322b9adb744f09afd94c11f84bdf1 kostenfrei http://www.sciencedirect.com/science/article/pii/S2211124719303092 kostenfrei https://doaj.org/toc/2211-1247 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 27 2019 1 282-293.e4
spelling	10.1016/j.celrep.2019.03.002 doi (DE-627)DOAJ001850113 (DE-599)DOAJe80322b9adb744f09afd94c11f84bdf1 DE-627 ger DE-627 rakwb eng QH301-705.5 Wan Kin Au Yeung verfasserin aut Histone H3K9 Methyltransferase G9a in Oocytes Is Essential for Preimplantation Development but Dispensable for CG Methylation Protection 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Summary: Mammalian histone methyltransferase G9a (also called EHMT2) deposits H3K9me2 on chromatin and is essential for postimplantation development. However, its role in oogenesis and preimplantation development remains poorly understood. We show that H3K9me2-enriched chromatin domains in mouse oocytes are generally depleted of CG methylation, contrasting with their association in embryonic stem and somatic cells. Oocyte-specific disruption of G9a results in reduced H3K9me2 enrichment and impaired reorganization of heterochromatin in oocytes, but only a modest reduction in CG methylation is detected. Furthermore, in both oocytes and 2-cell embryos, G9a depletion has limited impact on the expression of genes and retrotransposons. Although their CG methylation is minimally affected, preimplantation embryos derived from such oocytes show abnormal chromosome segregation and frequent developmental arrest. Our findings illuminate the functional importance of G9a independent of CG methylation in preimplantation development and call into question the proposed role for H3K9me2 in CG methylation protection in zygotes. : Au Yeung et al. report that H3K9 methyltransferase G9a in mouse oocytes is essential for preimplantation development. Contrary to the previous model, however, maternal G9a is dispensable for CG methylation protection in zygotes and is instead important for chromatin reorganization in oocytes and proper chromosome segregation in preimplantation embryos. Keywords: oocyte, preimplantation embryo, histone modification, DNA methylation, G9a, H3K9me2, chromatin organization, chromosome segregation Biology (General) Julie Brind’Amour verfasserin aut Yu Hatano verfasserin aut Kazuo Yamagata verfasserin aut Robert Feil verfasserin aut Matthew C. Lorincz verfasserin aut Makoto Tachibana verfasserin aut Yoichi Shinkai verfasserin aut Hiroyuki Sasaki verfasserin aut In Cell Reports Elsevier, 2015 27(2019), 1, Seite 282-293.e4 (DE-627)684964562 (DE-600)2649101-1 22111247 nnns volume:27 year:2019 number:1 pages:282-293.e4 https://doi.org/10.1016/j.celrep.2019.03.002 kostenfrei https://doaj.org/article/e80322b9adb744f09afd94c11f84bdf1 kostenfrei http://www.sciencedirect.com/science/article/pii/S2211124719303092 kostenfrei https://doaj.org/toc/2211-1247 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 27 2019 1 282-293.e4
allfields_unstemmed	10.1016/j.celrep.2019.03.002 doi (DE-627)DOAJ001850113 (DE-599)DOAJe80322b9adb744f09afd94c11f84bdf1 DE-627 ger DE-627 rakwb eng QH301-705.5 Wan Kin Au Yeung verfasserin aut Histone H3K9 Methyltransferase G9a in Oocytes Is Essential for Preimplantation Development but Dispensable for CG Methylation Protection 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Summary: Mammalian histone methyltransferase G9a (also called EHMT2) deposits H3K9me2 on chromatin and is essential for postimplantation development. However, its role in oogenesis and preimplantation development remains poorly understood. We show that H3K9me2-enriched chromatin domains in mouse oocytes are generally depleted of CG methylation, contrasting with their association in embryonic stem and somatic cells. Oocyte-specific disruption of G9a results in reduced H3K9me2 enrichment and impaired reorganization of heterochromatin in oocytes, but only a modest reduction in CG methylation is detected. Furthermore, in both oocytes and 2-cell embryos, G9a depletion has limited impact on the expression of genes and retrotransposons. Although their CG methylation is minimally affected, preimplantation embryos derived from such oocytes show abnormal chromosome segregation and frequent developmental arrest. Our findings illuminate the functional importance of G9a independent of CG methylation in preimplantation development and call into question the proposed role for H3K9me2 in CG methylation protection in zygotes. : Au Yeung et al. report that H3K9 methyltransferase G9a in mouse oocytes is essential for preimplantation development. Contrary to the previous model, however, maternal G9a is dispensable for CG methylation protection in zygotes and is instead important for chromatin reorganization in oocytes and proper chromosome segregation in preimplantation embryos. Keywords: oocyte, preimplantation embryo, histone modification, DNA methylation, G9a, H3K9me2, chromatin organization, chromosome segregation Biology (General) Julie Brind’Amour verfasserin aut Yu Hatano verfasserin aut Kazuo Yamagata verfasserin aut Robert Feil verfasserin aut Matthew C. Lorincz verfasserin aut Makoto Tachibana verfasserin aut Yoichi Shinkai verfasserin aut Hiroyuki Sasaki verfasserin aut In Cell Reports Elsevier, 2015 27(2019), 1, Seite 282-293.e4 (DE-627)684964562 (DE-600)2649101-1 22111247 nnns volume:27 year:2019 number:1 pages:282-293.e4 https://doi.org/10.1016/j.celrep.2019.03.002 kostenfrei https://doaj.org/article/e80322b9adb744f09afd94c11f84bdf1 kostenfrei http://www.sciencedirect.com/science/article/pii/S2211124719303092 kostenfrei https://doaj.org/toc/2211-1247 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 27 2019 1 282-293.e4
allfieldsGer	10.1016/j.celrep.2019.03.002 doi (DE-627)DOAJ001850113 (DE-599)DOAJe80322b9adb744f09afd94c11f84bdf1 DE-627 ger DE-627 rakwb eng QH301-705.5 Wan Kin Au Yeung verfasserin aut Histone H3K9 Methyltransferase G9a in Oocytes Is Essential for Preimplantation Development but Dispensable for CG Methylation Protection 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Summary: Mammalian histone methyltransferase G9a (also called EHMT2) deposits H3K9me2 on chromatin and is essential for postimplantation development. However, its role in oogenesis and preimplantation development remains poorly understood. We show that H3K9me2-enriched chromatin domains in mouse oocytes are generally depleted of CG methylation, contrasting with their association in embryonic stem and somatic cells. Oocyte-specific disruption of G9a results in reduced H3K9me2 enrichment and impaired reorganization of heterochromatin in oocytes, but only a modest reduction in CG methylation is detected. Furthermore, in both oocytes and 2-cell embryos, G9a depletion has limited impact on the expression of genes and retrotransposons. Although their CG methylation is minimally affected, preimplantation embryos derived from such oocytes show abnormal chromosome segregation and frequent developmental arrest. Our findings illuminate the functional importance of G9a independent of CG methylation in preimplantation development and call into question the proposed role for H3K9me2 in CG methylation protection in zygotes. : Au Yeung et al. report that H3K9 methyltransferase G9a in mouse oocytes is essential for preimplantation development. Contrary to the previous model, however, maternal G9a is dispensable for CG methylation protection in zygotes and is instead important for chromatin reorganization in oocytes and proper chromosome segregation in preimplantation embryos. Keywords: oocyte, preimplantation embryo, histone modification, DNA methylation, G9a, H3K9me2, chromatin organization, chromosome segregation Biology (General) Julie Brind’Amour verfasserin aut Yu Hatano verfasserin aut Kazuo Yamagata verfasserin aut Robert Feil verfasserin aut Matthew C. Lorincz verfasserin aut Makoto Tachibana verfasserin aut Yoichi Shinkai verfasserin aut Hiroyuki Sasaki verfasserin aut In Cell Reports Elsevier, 2015 27(2019), 1, Seite 282-293.e4 (DE-627)684964562 (DE-600)2649101-1 22111247 nnns volume:27 year:2019 number:1 pages:282-293.e4 https://doi.org/10.1016/j.celrep.2019.03.002 kostenfrei https://doaj.org/article/e80322b9adb744f09afd94c11f84bdf1 kostenfrei http://www.sciencedirect.com/science/article/pii/S2211124719303092 kostenfrei https://doaj.org/toc/2211-1247 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 27 2019 1 282-293.e4
allfieldsSound	10.1016/j.celrep.2019.03.002 doi (DE-627)DOAJ001850113 (DE-599)DOAJe80322b9adb744f09afd94c11f84bdf1 DE-627 ger DE-627 rakwb eng QH301-705.5 Wan Kin Au Yeung verfasserin aut Histone H3K9 Methyltransferase G9a in Oocytes Is Essential for Preimplantation Development but Dispensable for CG Methylation Protection 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Summary: Mammalian histone methyltransferase G9a (also called EHMT2) deposits H3K9me2 on chromatin and is essential for postimplantation development. However, its role in oogenesis and preimplantation development remains poorly understood. We show that H3K9me2-enriched chromatin domains in mouse oocytes are generally depleted of CG methylation, contrasting with their association in embryonic stem and somatic cells. Oocyte-specific disruption of G9a results in reduced H3K9me2 enrichment and impaired reorganization of heterochromatin in oocytes, but only a modest reduction in CG methylation is detected. Furthermore, in both oocytes and 2-cell embryos, G9a depletion has limited impact on the expression of genes and retrotransposons. Although their CG methylation is minimally affected, preimplantation embryos derived from such oocytes show abnormal chromosome segregation and frequent developmental arrest. Our findings illuminate the functional importance of G9a independent of CG methylation in preimplantation development and call into question the proposed role for H3K9me2 in CG methylation protection in zygotes. : Au Yeung et al. report that H3K9 methyltransferase G9a in mouse oocytes is essential for preimplantation development. Contrary to the previous model, however, maternal G9a is dispensable for CG methylation protection in zygotes and is instead important for chromatin reorganization in oocytes and proper chromosome segregation in preimplantation embryos. Keywords: oocyte, preimplantation embryo, histone modification, DNA methylation, G9a, H3K9me2, chromatin organization, chromosome segregation Biology (General) Julie Brind’Amour verfasserin aut Yu Hatano verfasserin aut Kazuo Yamagata verfasserin aut Robert Feil verfasserin aut Matthew C. Lorincz verfasserin aut Makoto Tachibana verfasserin aut Yoichi Shinkai verfasserin aut Hiroyuki Sasaki verfasserin aut In Cell Reports Elsevier, 2015 27(2019), 1, Seite 282-293.e4 (DE-627)684964562 (DE-600)2649101-1 22111247 nnns volume:27 year:2019 number:1 pages:282-293.e4 https://doi.org/10.1016/j.celrep.2019.03.002 kostenfrei https://doaj.org/article/e80322b9adb744f09afd94c11f84bdf1 kostenfrei http://www.sciencedirect.com/science/article/pii/S2211124719303092 kostenfrei https://doaj.org/toc/2211-1247 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 27 2019 1 282-293.e4
language	English
source	In Cell Reports 27(2019), 1, Seite 282-293.e4 volume:27 year:2019 number:1 pages:282-293.e4
sourceStr	In Cell Reports 27(2019), 1, Seite 282-293.e4 volume:27 year:2019 number:1 pages:282-293.e4
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Biology (General)
isfreeaccess_bool	true
container_title	Cell Reports
authorswithroles_txt_mv	Wan Kin Au Yeung @@aut@@ Julie Brind’Amour @@aut@@ Yu Hatano @@aut@@ Kazuo Yamagata @@aut@@ Robert Feil @@aut@@ Matthew C. Lorincz @@aut@@ Makoto Tachibana @@aut@@ Yoichi Shinkai @@aut@@ Hiroyuki Sasaki @@aut@@
publishDateDaySort_date	2019-01-01T00:00:00Z
hierarchy_top_id	684964562
id	DOAJ001850113
language_de	englisch
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author	Wan Kin Au Yeung
spellingShingle	Wan Kin Au Yeung misc QH301-705.5 misc Biology (General) Histone H3K9 Methyltransferase G9a in Oocytes Is Essential for Preimplantation Development but Dispensable for CG Methylation Protection
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topic_title	QH301-705.5 Histone H3K9 Methyltransferase G9a in Oocytes Is Essential for Preimplantation Development but Dispensable for CG Methylation Protection
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title	Histone H3K9 Methyltransferase G9a in Oocytes Is Essential for Preimplantation Development but Dispensable for CG Methylation Protection
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title_full	Histone H3K9 Methyltransferase G9a in Oocytes Is Essential for Preimplantation Development but Dispensable for CG Methylation Protection
author_sort	Wan Kin Au Yeung
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author_browse	Wan Kin Au Yeung Julie Brind’Amour Yu Hatano Kazuo Yamagata Robert Feil Matthew C. Lorincz Makoto Tachibana Yoichi Shinkai Hiroyuki Sasaki
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title_sort	histone h3k9 methyltransferase g9a in oocytes is essential for preimplantation development but dispensable for cg methylation protection
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title_auth	Histone H3K9 Methyltransferase G9a in Oocytes Is Essential for Preimplantation Development but Dispensable for CG Methylation Protection
abstract	Summary: Mammalian histone methyltransferase G9a (also called EHMT2) deposits H3K9me2 on chromatin and is essential for postimplantation development. However, its role in oogenesis and preimplantation development remains poorly understood. We show that H3K9me2-enriched chromatin domains in mouse oocytes are generally depleted of CG methylation, contrasting with their association in embryonic stem and somatic cells. Oocyte-specific disruption of G9a results in reduced H3K9me2 enrichment and impaired reorganization of heterochromatin in oocytes, but only a modest reduction in CG methylation is detected. Furthermore, in both oocytes and 2-cell embryos, G9a depletion has limited impact on the expression of genes and retrotransposons. Although their CG methylation is minimally affected, preimplantation embryos derived from such oocytes show abnormal chromosome segregation and frequent developmental arrest. Our findings illuminate the functional importance of G9a independent of CG methylation in preimplantation development and call into question the proposed role for H3K9me2 in CG methylation protection in zygotes. : Au Yeung et al. report that H3K9 methyltransferase G9a in mouse oocytes is essential for preimplantation development. Contrary to the previous model, however, maternal G9a is dispensable for CG methylation protection in zygotes and is instead important for chromatin reorganization in oocytes and proper chromosome segregation in preimplantation embryos. Keywords: oocyte, preimplantation embryo, histone modification, DNA methylation, G9a, H3K9me2, chromatin organization, chromosome segregation
abstractGer	Summary: Mammalian histone methyltransferase G9a (also called EHMT2) deposits H3K9me2 on chromatin and is essential for postimplantation development. However, its role in oogenesis and preimplantation development remains poorly understood. We show that H3K9me2-enriched chromatin domains in mouse oocytes are generally depleted of CG methylation, contrasting with their association in embryonic stem and somatic cells. Oocyte-specific disruption of G9a results in reduced H3K9me2 enrichment and impaired reorganization of heterochromatin in oocytes, but only a modest reduction in CG methylation is detected. Furthermore, in both oocytes and 2-cell embryos, G9a depletion has limited impact on the expression of genes and retrotransposons. Although their CG methylation is minimally affected, preimplantation embryos derived from such oocytes show abnormal chromosome segregation and frequent developmental arrest. Our findings illuminate the functional importance of G9a independent of CG methylation in preimplantation development and call into question the proposed role for H3K9me2 in CG methylation protection in zygotes. : Au Yeung et al. report that H3K9 methyltransferase G9a in mouse oocytes is essential for preimplantation development. Contrary to the previous model, however, maternal G9a is dispensable for CG methylation protection in zygotes and is instead important for chromatin reorganization in oocytes and proper chromosome segregation in preimplantation embryos. Keywords: oocyte, preimplantation embryo, histone modification, DNA methylation, G9a, H3K9me2, chromatin organization, chromosome segregation
abstract_unstemmed	Summary: Mammalian histone methyltransferase G9a (also called EHMT2) deposits H3K9me2 on chromatin and is essential for postimplantation development. However, its role in oogenesis and preimplantation development remains poorly understood. We show that H3K9me2-enriched chromatin domains in mouse oocytes are generally depleted of CG methylation, contrasting with their association in embryonic stem and somatic cells. Oocyte-specific disruption of G9a results in reduced H3K9me2 enrichment and impaired reorganization of heterochromatin in oocytes, but only a modest reduction in CG methylation is detected. Furthermore, in both oocytes and 2-cell embryos, G9a depletion has limited impact on the expression of genes and retrotransposons. Although their CG methylation is minimally affected, preimplantation embryos derived from such oocytes show abnormal chromosome segregation and frequent developmental arrest. Our findings illuminate the functional importance of G9a independent of CG methylation in preimplantation development and call into question the proposed role for H3K9me2 in CG methylation protection in zygotes. : Au Yeung et al. report that H3K9 methyltransferase G9a in mouse oocytes is essential for preimplantation development. Contrary to the previous model, however, maternal G9a is dispensable for CG methylation protection in zygotes and is instead important for chromatin reorganization in oocytes and proper chromosome segregation in preimplantation embryos. Keywords: oocyte, preimplantation embryo, histone modification, DNA methylation, G9a, H3K9me2, chromatin organization, chromosome segregation
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title_short	Histone H3K9 Methyltransferase G9a in Oocytes Is Essential for Preimplantation Development but Dispensable for CG Methylation Protection
url	https://doi.org/10.1016/j.celrep.2019.03.002 https://doaj.org/article/e80322b9adb744f09afd94c11f84bdf1 http://www.sciencedirect.com/science/article/pii/S2211124719303092 https://doaj.org/toc/2211-1247
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up_date	2024-07-03T22:43:14.253Z
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Our findings illuminate the functional importance of G9a independent of CG methylation in preimplantation development and call into question the proposed role for H3K9me2 in CG methylation protection in zygotes. : Au Yeung et al. report that H3K9 methyltransferase G9a in mouse oocytes is essential for preimplantation development. Contrary to the previous model, however, maternal G9a is dispensable for CG methylation protection in zygotes and is instead important for chromatin reorganization in oocytes and proper chromosome segregation in preimplantation embryos. 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Lorincz</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="0" ind2=" "><subfield code="a">Makoto Tachibana</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="0" ind2=" "><subfield code="a">Yoichi Shinkai</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="0" ind2=" "><subfield code="a">Hiroyuki Sasaki</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">In</subfield><subfield code="t">Cell Reports</subfield><subfield code="d">Elsevier, 2015</subfield><subfield code="g">27(2019), 1, Seite 282-293.e4</subfield><subfield code="w">(DE-627)684964562</subfield><subfield code="w">(DE-600)2649101-1</subfield><subfield code="x">22111247</subfield><subfield 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Histone H3K9 Methyltransferase G9a in Oocytes Is Essential for Preimplantation Development but Dispensable for CG Methylation Protection

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