植物无融合生殖、杂种优势与甲基化的作用
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摘要
无融合生殖是一种不发生雌雄配子融合的一种无性生殖方式。杂种优势是杂交子代在生长势、成活性、抗逆性、适应性等方面均优于双亲均值的现象,已在农林业中广泛应用。不管是无融合生殖还是杂种优势,两者均为生产上有益的性状表现,且都是遗传控制的。常规的研究大多集中在作为遗传信息的携带者DNA上,但越来越多的研究表明DNA甲基化在无融合生殖及杂种优势中起着十分重要的作用。本综述对近年来无融合生殖、杂种优势与甲基化作用的研究进展作一一阐述,旨在为深入的理论与实验研究提供帮助。
Apomixis is an asexual propagation in which embryo is formed without the nuclear fusion of male and female gametes. Heterosis is a phenomenon in which hybrids are superior to their parents in growth vigor, survival,stress resistance and adaptability and has been widely applied to agriculture and forestry. Both apomixis and heterosis are beneficial to production and genetically controlled. Conventional genetic studies mainly concentrate on the DNA, which is the carrier of genetic information, but in recent years, it has been increasingly found that DNA methylation plays an important role in apomixs and heterosis. This paper reviewed research progress in apomixis, heterosis as well as methylation, aiming at providing references for in-depth theoretical and experimental studies in the future.
Apomixis is an asexual propagation in which embryo is formed without the nuclear fusion of male and female gametes. Heterosis is a phenomenon in which hybrids are superior to their parents in growth vigor, survival,stress resistance and adaptability and has been widely applied to agriculture and forestry. Both apomixis and heterosis are beneficial to production and genetically controlled. Conventional genetic studies mainly concentrate on the DNA, which is the carrier of genetic information, but in recent years, it has been increasingly found that DNA methylation plays an important role in apomixs and heterosis. This paper reviewed research progress in apomixis, heterosis as well as methylation, aiming at providing references for in-depth theoretical and experimental studies in the future.
引文
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Butenko Y.,and Ohad N.,2011,Polycomb-group mediated epigenetic mechanisms through plant evolution,Biochim.Biophys.Acta.,1809(8):395-406
Carman J.G.,1997,Asynchronous expression of duplicate genes in angiosperms may cause apomixes,bispory,tetraspory,and polyembryony,Biol.J.Linn.Soc.,61(1):51-94
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Corral J.M.,Vogel H.,Aliyu O.M.,Hensel G.,Thiel T.,Kumlehn J.,and Sharbel T.F.,2013,A conserved apomixis-specific polymorphism is correlated with exclusive exonuclease ex pression in premeiotic ovules of apomictic Boechera species,Plant Physiol.,163(4):1660-1672
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Dobe觢C.,Lückl A.,Hülber K.,and Paule J.,2013,Prospects and limits of flow cytometric seed screen-insights from Potentilla sensu lato(Potentilleae,Rosaceae),New Phytol.,198(2):605-616
Galla G.,Zenoni S.,Avesani L.,Altschmied L.,Rizzo P.,Sharbel T.F.,and Barcaccia G.,2017,Pistil transcriptome analysis to disclose genes and gene products related to aposporous apomixis in Hypericum perforatum L.,Front.Plant Sci.,8:79
Garcia-Aguilar M.,Michaud C.,Leblanc O.,and Grimanelli D.,2010,Inactivation of a DNA methylation pathway in maize reproductive organs results in apomixis-like phenotypes,Plant Cell,22(10):3249-3267
Grimanelli D.,2012,Epigenetic regulation of reproductive development and the emergence of apomixis in angiosperms,Curr.Opi.Plant Biol.,15(1):57-62
Hand M.L.,and Koltunow A.M.,2014,The genetic control of apomixis:asexual seed formation,Genetics,197(2):441-450
Hojsgaard D.H.,Martínez E.J.,Acu觡a C.A.,Quarin C.L.,and Pupilli F.,2011,A molecular map of the apomixis-control locus in Paspalum procurrens and its comparative analysis with other species of Paspalum,Theor.Appl.Genet.,123(6):959-971
Hong Z.,Shi J.S.,Zheng R.H.,Yang L.W.,Chen X.C.,Weng Y.Z.,and Huang J.H.,2009,Epigenetic inheritance and varia tion of DNA methylation in Chinese fir(Cunninghamia lanceolata)intraspecific hybrids,Fenzi Zhiwu Yuzhong(Molecular Plant Breeding),7(3):591-598(洪舟,施季森,郑仁华,杨立伟,陈孝丑,翁玉榛,黄金华,2009,杉木亲本自交系及其杂交种DNA甲基化和表观遗传变异,分子植物育种,7(3):591-598)
Hou W.,Lin S.,Li Y.,Pang X.M.,Zeng Y.R.,and Wu R.L.,2011,A model for linkage analysis with apomixes,Theor.Appl.Genet.,123:681-691
Jia N.,2016,MSAP marker-based analysis of methylation in hickory,Thesis for M.S.,School of Forestry and Bio-technology,Zhejiang A&F University,Supervisor:Zeng Y.R.,pp.25-48(贾宁,2016,基于MSAP标记的山核桃甲基化研究,硕士学位论文,浙江农林大学林业与生物技术学院,导师:曾燕如,pp.25-48)
Keating S.T.,and El-Osta A.,2015,Epigenetics and metabolism,Circ.Res.,116(4):715-736
Koltunow A.M.,and Grossniklaus U.,2003,Apomixis:a devel opmental perspective,Annu.Rev.Plant Biol.,54(54):547-574
Li G.L.,Yu S.X.,Fan S.L.,Song M.Z.,and Pang C.Y.,2011,Advances of research on epigenetic,Shengwu Jishu Tongbao(Biotechnology Bulletin),31(1):40-49(李光雷,喻树迅,范术丽,宋美珍,庞朝友,2011,表观遗传学研究进展,生物技术通报,31(1):40-49)
Li Y.Y.,Wang C.,Liu X.Y.,Song J.,Li H.J.,Sui Z.P.,Zhang M.,Fang S.,Chu J.F.,Xin M.M.,Xie C.J.,Zhang Y.R.,Sun Q.X.,and Ni Z.F.,2016,Up-regulating the abscisic acid inactivation gene ZmABA-8ox1b contributes to seed germination heterosis by promoting cell expansion,J.Exp.Bot.,67(9):2889-2900
Lovell J.T.,Aliyu O.M.,Mau M.,Schranz M.E.,Koch M.,Kiefer C.,Song B.H.,Mitchell-Olds T.,and Sharbel T.F.,2013,On the origin and evolution of apomixis in Boechera,Plant Reprod.,26(4):309-315
Mangla Y.,Chaudhary M.,Gupta H.,Thakur R.,Goel S.,Raina S.N.,and Tandon R.,2015,Facultative apomixis and development of fruit in a deciduous shrub with medicinal and nutritional uses,Ao B Plants,7:1-12
Maua M.,Lovell J.T.,Corral J.M.,Kiefer C.,Koch M.A.,Aliyu O.M.,and Sharbel T.F.,2015,Hybrid apomicts trapped in the ecological niches of their sexual ancestors,Proc.Natl.Acad.Sci.USA,112(18):2357-2365
McCarrey J.R.,2015,The epigenome-a family affair,Science,350(6261):634-635
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