Genome-wide survey of the bHLH super gene family in Brassica napus

Ke, Yun-Zhuo; Wu, Yun-Wen; Zhou, Hong-Jun; Chen, Ping; Wang, Mang-Mang; Liu, Ming-Ming; Li, Peng-Feng; Yang, Jin; Li, Jia-Na; Du, Hai

doi:10.1186/s12870-020-2315-8

BMC Plant Biology

Table 1 Functionally characterized plant bHLH proteins related to roots

From: Genome-wide survey of the bHLH super gene family in Brassica napus

Subfamily	Gene name	Species	Function
S1	AtbHLH029/FIT	Arabidopsis	Affects the plant’s iron uptake ability [44].
S2	bHLH006/MYC2	Arabidopsis, Oryza sativa, Solanum lycopersicum, Marchantia polymorpha. Catharanthus roseus, Salvia miltiorrhiza, Triticum aestivum, Artemisia annua, Aquilaria sinensis	Regulates the salt tolerance gene AtNHX6 and AtNHX6 in roots. Promotes ABA and JA responsiveness [45,46,47,48,49].
S2	AtbHLH17/AtAIB	Arabidopsis	Responds to NaCl, mannitol, and oxidative stress [50].
S3	GmbHLHm1	Glycine max	Linked to the activity of a unique class of ammonium channels and to signaling cascades influencing a nodule circadian clock [51].
S4	AtbHLH11	Arabidopsis	High expression in roots and acts as a negative regulator of iron homeostasis [52].
S4	AtbHLH105/ILR3	Arabidopsis	Regulates the network that controls wounding pathogen response in plant roots. Participates in auxin-conjugate metabolism [41, 53].
S5	bHLH001/EGL3	Arabidopsis, Arabisalpina, Gossypium hirsutum, Petunia hybrida, Zea mays	Enhancer of GL3.
S5	bHLH002/GL3		Partially redundantly regulates anthocyanin biosynthesis, trichome and root hair development [27, 28, 35, 54, 55].
S7	AtbHLH92	Arabidopsis	Responds to NaCl, dehydration, mannitol, and cold treatments, and regulates root elongation [56].
S12	GmbHLH57 GmbHLH300 AtbHLH38 AtbHLH39 AtbHLH100 AtbHLH101 SlbHLH068	Arabidopsis, S. lycopersicum, O. sativa, Glycine max, Z. mays	Induced by iron deficiency in both roots and shoots [44, 57,58,59].
S15	AtbHLH112	Arabidopsis	Regulates the salt stress response and root growth [60].
S15	AtbHLH68	Arabidopsis	Regulates ABA homeostasis and drought stress tolerance. Regulates lateral root development [61].
S16	AtbHLH163/PRE6	Arabidopsis	Negatively regulates auxin responses [62].
S19	AtbHLH148/AIF2	Arabidopsis, O. sativa, S. lycopersicum	Negatively regulate BR signaling pathways [63].
S23	AtbHLH156/LHW	Arabidopsis	Regulates the size of the vascular initial population in the root meristem [40].
S24	AtbHLH024/SPT	Arabidopsis	Regulates root growth by controlling the size of the root meristem [64].
S25	AtbHLH74	Arabidopsis	Regulates root growth in seedlings [65].
S26	bHLH066/LRL1	Arabidopsis, Lotus japonicas, Physcomitrella patens, Z. mays, O. sativa, Hordeum vulgare.	Act redundantly to positively regulate the development of root hairs [66,67,68].
	bHLH069/LRL2
	bHLH082/LRL3
	bHLH007/LRL4		Negatively controls root hair growth [67].
	bHLH059/LRL5		Negatively controls root hair growth [67].
	ZmPTF1	Z. mays	Regulates drought tolerance in maize by promoting root development and ABA synthesis [69].
S27	AtbHLH129	Arabidopsis	Regulates root elongation and ABA response [50].
S27	bHLH122	Arabidopsis, O. sativa, S. lycopersicum	Regulates the salt tolerance gene AtNHX6 in roots. Promotes ABA and JA responsiveness [45].
S28	bHLH086/RSL1	Arabidopsis, M. polymorpha, Brachypodium, P. patens	Partially redundant and involved in root hair development [70,71,72,73,74].
	bHLH085/RSL2
	bHLH084/RSL3
	bHLH054/RSL4
	bHLH139/RSL5

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ISSN: 1471-2229

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