Table 1.

Phosphorylation of translation initiation factors.

Initiation factor	Kinase	System	Stimulus	Outcome	Reference
eIF2- subunit α	GCN2	Arabidopsis, tobacco	Herbicide, stress		Lageix et al., 2008; Zhang et al., 2008
eIF2- subunit β	TOR	Arabidopsis Cell Culture	Sucrose		van Leene et al., 2019
eIF2B- subunit δ	TOR	Arabidopsis, Arabidopsis Cell Culture	Sucrose		Boex-Fontvieille et al., 2013; van Leene et al., 2019
eIF3- subunit b		Arabidopsis	Darkness, high CO2		Boex-Fontvieille et al., 2013; Choudhary et al., 2015
eIF3- subunit c	CK2	In vitro, Arabidopsis			Dennis & Browning, 2009; Boex-Fontvieille et al., 2013; Choudhary et al., 2015
eIF3- subunit d		Arabidopsis			Boex-Fontvieille et al., 2013
eIF3- subunit h	TOR-S6K1	Arabidopsis	Auxin	increased translation of uORF containing transcripts	Schepetilnikov et al., 2013
eIF3- subunit i	BRI1	in-vitro		unknown	Ehsan et al., 2005
eIF4A	CDKA	In vitro	Darkness	inactive eIF4A In vitro/ unknown In vivo	Bush et al., 2016; Boex-Fontvieille et al., 2013
eIF4B	CK2, TOR	In vitro, Arabidopsis Cell Culture	Sucrose High CO2		Gallie et al., 1997; Dennis & Browning, 2009; van Leene et al., 2019; Choudhary et al., 2015 Boex-Fontvieille et al., 2013;
eIF4E	SnRK1	In vitro			Bruns et al., 2019
eIF4G	TOR	Arabidopsis Cell Culture	Sucrose Darkness		van Leene et al., 2019; Boex-Fontvieille et al., 2013
eIFiso4E	SnRK1	In vitro			Bruns et al., 2019
eIFiso4G	SnRK1	Maize	Hypoxia	Regulation of core hypoxia gene expression	Cho et al., 2019; Choudhary et al., 2015
eIF5	CK2	In vitro, Arabidopsis			Dennis & Browning, 2009; Boex-Fontvieille et al., 2013; Choudhary et al., 2015
eIF6	TOR	Arabidopsis Cell Culture	Sucrose		van Leene et al., 2019

The table emphasizes events with a known stimulus, outcome or kinase.