Research Advance of K+ Channel AKT1 in Plants

doi:10.11983/CBB16023

Abstract

Guoqiang Wu, Qingzhao Shui, Ruijun Feng. Research Advance of K⁺ Channel AKT1 in Plants[J]. Chinese Bulletin of Botany, 2017, 52(2): 225-234.

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https://www.chinbullbotany.com/EN/Y2017/V52/I2/225

Figure 1 Diagrammatic representation of plant Shaker type K+ channel topological structure (Modified from Nieves- Cordones and Gaillard, 2014)S1-S6 indicate six transmembrane domains; S4 represents voltage sensor; CNBD indicates cyclic-nucleotide binding domain.

Figure 2 Phylogenetic tree of plant AKT1The sources and GenBank accession numbers of AKT1 are as follows: Eucalyptus camaldulensis, EcAKT1 (AAL256- 48.1); Malus domestica, MdAKT1 (XP_008352270); Glycine max, GmAKT1 (NP_001304431); Populus euphratica, Pe- AKT1 (ADA79674); Gossypium hirsutum, GhAKT1 (AHZ30- 618); Arabidopsis thaliana, AtAKT1 (NP_180233.1); Zygophyllum xanthoxylon, ZxAKT1 (ACX37089.1); Daucus carota, DcAKT1 (CAG27094); Lycopersicon esculentum, LeAKT1 (CAA65254); Solanum tuberosum, StAKT1 (NP_001275- 347); Lilium longiflorum, LlAKT1 (ABO15470); Hordeum vulgare, HvAKT1 (ABE99810.1); Triticum aestivum, TaAKT1 (AAF36832.1); Musa acuminata subsp. malaccensis, MaAKT1 (XP_009386140); Elaeis guineensis, EgAKT1 (XP_ 010925144); Phoenix dactylifera, PdAKT1 (XP_008809- 499); Nicotiana tabacum, NtAKT1 (BAD81034); Vitis vinifera, VvAKT1 (NP_001268010). Beta vulgaris BvAKT1 was cloned by Wu's research group. Multiple alignment of AKT1 sequences was performed by the Clustal W. Phylogenetic tree of plants AKT1 was constructed by the Maximum Likelihood and JTT (Jones-Taylor-Thornton) model (MEGA 5.10).

Table 1 AKT1 in higher plants

基因	物种	表达部位	参考文献
AtAKT1	拟南芥(Arabidopsis thaliana)	根表皮、皮层及内皮层	Lagarde et al., 1996
LeAKT1	番茄(Lycopersicon esculentum)	根毛	Hartje et al., 2000
VfAKT1	蚕豆(Vicia faba)	叶和韧皮部	Ache et al., 2001
GhAKT1	棉花(Gossypium hirsutum)	叶细胞皮层、内皮层及光合细胞	Xu et al., 2014
OsAKT1	水稻(Oryza sativa)	根和叶	Golldack et al., 2003
McAKT1	冰叶日中花(Mesembryanthemum crystallinum)	茎和叶	Su et al., 2001
PtAKT1	小花碱茅(Puccinellia tenuiflora)	根	Wang et al., 2015
SsAKT1	盐地碱蓬(Suaeda salsa)	根和叶	Duan et al., 2015
StAKT1	马铃薯(Solanum tuberosum)	保卫细胞、叶表皮和根	Zimmermann et al., 1998
TaAKT1	小麦(Triticum aestivum)	根皮层细胞	Buschmann et al., 2000
ZmAKT1	玉米(Zea mays)	胚芽鞘细胞	Philippar et al., 1999
CaAKT1	辣椒(Capsicum annuum)	根	Martinez-Cordero et al., 2005
NtAKT1	烟草(Nicotiana tabacum)	根	Sano et al., 2007
HvAKT1	大麦(Hordeum vulgare)	叶	Boscari et al., 2009
DcAKT1	胡萝卜(Daucus carota)	茎、根毛和叶	Formentin et al., 2004
VvAKT1.1 VvAKT1.2	葡萄(Vitis vinifera) 葡萄(V. vinifera)	根和浆果浆果	Cuéllar et al., 2010 Cuéllar et al., 2013

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