PlantTFDB
Plant Transcription Factor Database
v4.0
Previous version: v1.0, v2.0, v3.0
Linum usitatissimum
G2-like Family
Species TF ID Description
Lus10001149G2-like family protein
Lus10001754G2-like family protein
Lus10001844G2-like family protein
Lus10002207G2-like family protein
Lus10002483G2-like family protein
Lus10002629G2-like family protein
Lus10004809G2-like family protein
Lus10005036G2-like family protein
Lus10005777G2-like family protein
Lus10007132G2-like family protein
Lus10007279G2-like family protein
Lus10007513G2-like family protein
Lus10008197G2-like family protein
Lus10009334G2-like family protein
Lus10010404G2-like family protein
Lus10010442G2-like family protein
Lus10011660G2-like family protein
Lus10012056G2-like family protein
Lus10012102G2-like family protein
Lus10012142G2-like family protein
Lus10012239G2-like family protein
Lus10016676G2-like family protein
Lus10017442G2-like family protein
Lus10018649G2-like family protein
Lus10019452G2-like family protein
Lus10019639G2-like family protein
Lus10020264G2-like family protein
Lus10020995G2-like family protein
Lus10021035G2-like family protein
Lus10021699G2-like family protein
Lus10022885G2-like family protein
Lus10022886G2-like family protein
Lus10023816G2-like family protein
Lus10023857G2-like family protein
Lus10024938G2-like family protein
Lus10027291G2-like family protein
Lus10027806G2-like family protein
Lus10028102G2-like family protein
Lus10029225G2-like family protein
Lus10029607G2-like family protein
Lus10029808G2-like family protein
Lus10030989G2-like family protein
Lus10032746G2-like family protein
Lus10032778G2-like family protein
Lus10033642G2-like family protein
Lus10034280G2-like family protein
Lus10035043G2-like family protein
Lus10035093G2-like family protein
Lus10035387G2-like family protein
Lus10035705G2-like family protein
Lus10036758G2-like family protein
Lus10037169G2-like family protein
Lus10037296G2-like family protein
Lus10038734G2-like family protein
Lus10038735G2-like family protein
Lus10038996G2-like family protein
Lus10039123G2-like family protein
Lus10039124G2-like family protein
Lus10039883G2-like family protein
Lus10040569G2-like family protein
Lus10040583G2-like family protein
Lus10040780G2-like family protein
Lus10040945G2-like family protein
Lus10041485G2-like family protein
Lus10043304G2-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