PlantTFDB
PlantRegMap/PlantTFDB v5.0
Plant Transcription Factor Database
Cinnamomum micranthum f. kanehirae
G2-like Family
Species TF ID Description
RWR72712.1G2-like family protein
RWR73818.1G2-like family protein
RWR74145.1G2-like family protein
RWR74205.1G2-like family protein
RWR74370.1G2-like family protein
RWR74769.1G2-like family protein
RWR74806.1G2-like family protein
RWR74807.1G2-like family protein
RWR74830.1G2-like family protein
RWR75107.1G2-like family protein
RWR75786.1G2-like family protein
RWR77269.1G2-like family protein
RWR77301.1G2-like family protein
RWR77455.1G2-like family protein
RWR78379.1G2-like family protein
RWR78551.1G2-like family protein
RWR78926.1G2-like family protein
RWR79555.1G2-like family protein
RWR79654.1G2-like family protein
RWR79785.1G2-like family protein
RWR79786.1G2-like family protein
RWR81042.1G2-like family protein
RWR81072.1G2-like family protein
RWR81192.1G2-like family protein
RWR81601.1G2-like family protein
RWR81969.1G2-like family protein
RWR81981.1G2-like family protein
RWR82090.1G2-like family protein
RWR83168.1G2-like family protein
RWR84610.1G2-like family protein
RWR84811.1G2-like family protein
RWR85521.1G2-like family protein
RWR85650.1G2-like family protein
RWR86116.1G2-like family protein
RWR86814.1G2-like family protein
RWR87306.1G2-like family protein
RWR88608.1G2-like family protein
RWR89601.1G2-like family protein
RWR89858.1G2-like family protein
RWR90509.1G2-like family protein
RWR90512.1G2-like family protein
RWR91568.1G2-like family protein
RWR92902.1G2-like family protein
RWR95065.1G2-like family protein
RWR95066.1G2-like family protein
RWR95612.1G2-like family protein
RWR95958.1G2-like family protein
RWR96324.1G2-like family protein
RWR96410.1G2-like family protein
RWR97453.1G2-like family protein
RWR97633.1G2-like family protein
RWR97806.1G2-like family protein
G2-like Family Introduction

The GLK proteins are members of the recently categorized GARP superfamily of transcription factors (Riechmann et al., 2000) defined by G2 in maize; the Arabidopsis RESPONSE REGULATOR-B (ARR-B) proteins (Imamura et al., 1999); and the PHOSPHATE STARVATION RESPONSE1 (PSR1) protein of Chlamydomonas (Wykoff et al., 1999). In the case of G2, three of the four defining features of most transcription factors have been verified experimentally in heterologous systems. G2 is nuclearlocalized (Hall et al., 1998), is able to transactivate reporter gene expression, and can both homo-dimerize and heterodimerize with ZmGLK1 (Rossini et al., 2001). DNA-binding activity of GLK proteins has yet to be demonstrated,however, the putative DNA-binding domain is highly conserved with domains in other GARP proteins such as ARR1 and ARR2 (Riechmann et al., 2000). Notably, ARR1 and ARR2 have been shown to bind DNA (Sakai et al.,2000), thus it is likely that GLK proteins act as transcriptional regulators of chloroplast development.

The GLK proteins are members of the GARP superfamily of transcription factors, and phylogenetic analysis demonstrates that the maize, rice and Arabidopsis GLK gene pairs comprise a distinct group within the GARP superfamily. Further phylogenetic analysis suggests that the gene pairs arose through separate duplication events in the monocot and dicot lineages. As in rice, AtGLK1 and AtGLK2 are expressed in partially overlapping domains in photosynthetic tissue. GLK genes therefore regulate chloroplast development in diverse plant species.

Fitter DW, Martin DJ, Copley MJ, Scotland RW, Langdale JA.
GLK gene pairs regulate chloroplast development in diverse plant species.
Plant J. 2002 Sep;31(6):713-27.
PMID: 12220263