Research Progresses on Epigenetic Regulation of Plant Branching/Tillering

doi:10.11983/CBB22027

Abstract

Abstract: Tillers are one type of branches unique to graminaceous plants. Branch/tiller number is one of the key factors in determining crop yield. The number of branches/tillers is determined by both the number of axillary meristems formed in the leaf axils and the activity of lateral buds. Epigenetic modification regulates various processes of plant growth and development, but how epigenetic modifications regulate plant branch/tiller number has not been systematically reported. This review summarized the latest research progresses in epigenetic regulation of axillary meristem formation and lateral bud outgrowth, and proposed the future research fields of epigenetic regulation of plant branching/tillering, which will provide theoretical guidance for the breeding of improved crop varieties through epigenetic modifications.

Key words: plant branching/tillering, epigenetic modification, axillary meristem, lateral bud, lateral bud outgrowth

Liu Ting, Wang Tianhao, Chun Yan, Li Xueyong, Zhao Jinfeng. Research Progresses on Epigenetic Regulation of Plant Branching/Tillering[J]. Chinese Bulletin of Botany, 2022, 57(4): 532-548.

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URL: https://www.chinbullbotany.com/EN/10.11983/CBB22027

https://www.chinbullbotany.com/EN/Y2022/V57/I4/532

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References 148

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基因全称	基因	物种	转录因子类型	参考文献
Blind	Bl	番茄	R2R3 MYB	Schmitz et al., 2002
CUP-SHAPED COTYLEDON 1	CUC1	拟南芥	NAC	Aida et al., 1997
CUP-SHAPED COTYLEDON 2	CUC2	拟南芥	NAC	Aida et al., 1997
CUP-SHAPED COTYLEDON 3	CUC3	拟南芥	NAC	Hibara et al., 2006
DRN-LIKE	DRNL/ESR2	拟南芥	AP2/ERF	Ikeda et al., 2006
ENHANCER OF SHOOT REGENERATION1/DORNROSCHEN	ESR1/DRN	拟南芥	AP2/ERF	Ikeda et al., 2006
EXCESSIVE BRANCHES1	EXB1/WRKY71	拟南芥	WRKY	Guo et al., 2015
LATERAL SUPPRESSOR	LAS/LS	拟南芥/番茄	GRAS	Schumacher et al., 1999
LAX PANICLE1	LAX1	水稻	bHLH	Komatsu et al., 2003
LAXPANICLE2	LAX2	水稻	bHLH	Tabuchi et al., 2011
MONOCULM 1	MOC1	水稻	GRAS	Li et al., 2003
PHABULOSA	PHB	拟南芥	HD-ZIPIII	Mallory et al., 2004
PHAVOLUTA	PHV	拟南芥	HD-ZIPIII	Prigge et al., 2005
REGULATOR OF AXILLARY MERISTEMS1	RAX1	拟南芥	R2R3 MYB	Mu?ller et al., 2006
REGULATOR OF AXILLARY MERISTEMS2	RAX2	拟南芥	R2R3 MYB	Mu?ller et al., 2006
REGULATOR OF AXILLARY MERISTEMS3	RAX3	拟南芥	R2R3 MYB	Mu?ller et al., 2006
REVOLUTA	REV	拟南芥	HD-ZIPIII	Otsuga et al., 2001
REGULATOR OF AXILLARY MERISTEM FORMATION	ROX1	拟南芥	bHLH	Yang et al., 2012
SQUANMOSA PROMOTER-BINDING PROTEIN-LIKE 9/15	SPL9/15	拟南芥	SPL	Tian et al., 2014

基因全称	基因	物种	转录因子类型	参考文献
Blind	Bl	番茄	R2R3 MYB	Schmitz et al., 2002
CUP-SHAPED COTYLEDON 1	CUC1	拟南芥	NAC	Aida et al., 1997
CUP-SHAPED COTYLEDON 2	CUC2	拟南芥	NAC	Aida et al., 1997
CUP-SHAPED COTYLEDON 3	CUC3	拟南芥	NAC	Hibara et al., 2006
DRN-LIKE	DRNL/ESR2	拟南芥	AP2/ERF	Ikeda et al., 2006
ENHANCER OF SHOOT REGENERATION1/DORNROSCHEN	ESR1/DRN	拟南芥	AP2/ERF	Ikeda et al., 2006
EXCESSIVE BRANCHES1	EXB1/WRKY71	拟南芥	WRKY	Guo et al., 2015
LATERAL SUPPRESSOR	LAS/LS	拟南芥/番茄	GRAS	Schumacher et al., 1999
LAX PANICLE1	LAX1	水稻	bHLH	Komatsu et al., 2003
LAXPANICLE2	LAX2	水稻	bHLH	Tabuchi et al., 2011
MONOCULM 1	MOC1	水稻	GRAS	Li et al., 2003
PHABULOSA	PHB	拟南芥	HD-ZIPIII	Mallory et al., 2004
PHAVOLUTA	PHV	拟南芥	HD-ZIPIII	Prigge et al., 2005
REGULATOR OF AXILLARY MERISTEMS1	RAX1	拟南芥	R2R3 MYB	Mu?ller et al., 2006
REGULATOR OF AXILLARY MERISTEMS2	RAX2	拟南芥	R2R3 MYB	Mu?ller et al., 2006
REGULATOR OF AXILLARY MERISTEMS3	RAX3	拟南芥	R2R3 MYB	Mu?ller et al., 2006
REVOLUTA	REV	拟南芥	HD-ZIPIII	Otsuga et al., 2001
REGULATOR OF AXILLARY MERISTEM FORMATION	ROX1	拟南芥	bHLH	Yang et al., 2012
SQUANMOSA PROMOTER-BINDING PROTEIN-LIKE 9/15	SPL9/15	拟南芥	SPL	Tian et al., 2014

调控基因	被调控基因	调控方式	物种	参考文献
CCP1	OsMADS58	组蛋白甲基化	水稻	Yan et al., 2015
CHR729	GA20OX4	组蛋白甲基化	水稻	Ma et al., 2015
FIE1	未知	组蛋白甲基化	水稻	Zhang et al., 2012
MET2, DRM2	MAX3	DNA甲基化	拟南芥	Berdasco et al., 2008
MBD9	未知	DNA甲基化	拟南芥	Peng et al., 2006
NGR5	D14, D3, IPA1, OsTB1	组蛋白甲基化	水稻	Wu et al., 2020
OsNRPD1a, OsNRPD1b	OsMIR156d, OsMIR156j, D14	DNA甲基化	水稻	Xu et al., 2020
SDG8	CRTISO	组蛋白甲基化	拟南芥	Cazzonelli et al., 2009
SDG8, CLF	LAS, UGT74E2	组蛋白甲基化	拟南芥	Bian et al., 2016
OsVIL2	OsTB1	组蛋白甲基化	水稻	Yoon et al., 2019

调控基因	被调控基因	调控方式	物种	参考文献
CCP1	OsMADS58	组蛋白甲基化	水稻	Yan et al., 2015
CHR729	GA20OX4	组蛋白甲基化	水稻	Ma et al., 2015
FIE1	未知	组蛋白甲基化	水稻	Zhang et al., 2012
MET2, DRM2	MAX3	DNA甲基化	拟南芥	Berdasco et al., 2008
MBD9	未知	DNA甲基化	拟南芥	Peng et al., 2006
NGR5	D14, D3, IPA1, OsTB1	组蛋白甲基化	水稻	Wu et al., 2020
OsNRPD1a, OsNRPD1b	OsMIR156d, OsMIR156j, D14	DNA甲基化	水稻	Xu et al., 2020
SDG8	CRTISO	组蛋白甲基化	拟南芥	Cazzonelli et al., 2009
SDG8, CLF	LAS, UGT74E2	组蛋白甲基化	拟南芥	Bian et al., 2016
OsVIL2	OsTB1	组蛋白甲基化	水稻	Yoon et al., 2019