Identification of ICE2, a gene involved in cold acclimation which determines freezing tolerance in Arabidopsis thaliana

Fursova, Oksana; Pogorelko, Gennady; Тарасов, В. А.

doi:10.1016/j.gene.2008.10.016

Cited by 234 publications

(169 citation statements)

References 24 publications

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“…a dominant mutation in INDUCER OF C-REPEAT/DEHYDRATION RESPONSE ELEMENT BINDING FACTOR EXPRESSION1 (ice1) indicated that CRF3 may be regulated by ICE1 (Lee et al, 2005). However, our analysis with loss-of-function mutants ice1 and ice2 (Fursova et al, 2009) showed that these mutations only slightly affected cold-responsive expression of CRF3 (Supplemental Figure 7), suggesting that a gene regulatory network other than ICE1 may be involved in cold response of CRF3.…”

Section: Discussionmentioning

confidence: 85%

CYTOKININ RESPONSE FACTOR2 (CRF2) and CRF3 Regulate Lateral Root Development in Response to Cold Stress in Arabidopsis

et al. 2016

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ORCID IDs: 0000-0001-7997-1544 (C.C.); 0000-0003-1735-5564 (J.K.)Lateral roots (LRs) are a major determinant of the root system architecture in plants, and developmental plasticity of LR formation is critical for the survival of plants in changing environmental conditions. In Arabidopsis thaliana, genetic pathways have been identified that regulate LR branching in response to numerous environmental cues, including some nutrients, salt, and gravity. However, it is not known how genetic components are involved in the LR adaptation response to cold. Here, we demonstrate that CYTOKININ RESPONSE FACTOR2 (CRF2) and CRF3, encoding APETALA2 transcription factors, play an important role in regulating Arabidopsis LR initiation under cold stress. Analysis of LR developmental kinetics demonstrated that both CRF2 and CRF3 regulate LR initiation. crf2 and crf3 single mutants exhibited decreased LR initiation under cold stress compared with the wild type, and the crf2 crf3 double mutants showed additively decreased LR densities compared with the single mutants. Conversely, CRF2 or CRF3 overexpression caused increased LR densities. CRF2 was induced by cold via a subset of the cytokinin two-component signaling (TCS) pathway, whereas CRF3 was upregulated by cold via TCSindependent pathways. Our results suggest that CRF2 and CRF3 respond to cold via TCS-dependent and TCS-independent pathways and control LR initiation and development, contributing to LR adaptation to cold stress.

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Section: Discussionmentioning

confidence: 85%

CYTOKININ RESPONSE FACTOR2 (CRF2) and CRF3 Regulate Lateral Root Development in Response to Cold Stress in Arabidopsis

et al. 2016

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“…In Arabidopsis, AtICE1 mainly controls the expression of AtCBF3/DREB1A (Chinnusamy et al 2003), AtICE2 controls the expression of AtCBF1/DREB1B (Fursova et al 2009), and both genes control AtCBF/DREB1-dependent cold signaling and cold tolerance. The functional role of SlICE2 is still unknown, but it is likely that SlICE2 may control cold signaling and cold tolerance.…”

Section: Discussionmentioning

confidence: 99%

SlICE1 encoding a MYC-type transcription factor controls cold tolerance in tomato, Solanum lycopersicum

Miura¹,

Shiba²,

Ohta³

et al. 2012

Plant Biotechnology

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Many abiotic and biotic stresses can reduce plant growth and development. Low temperature is one of the most harmful abiotic stresses, particularly for plants that are tropical or subtropical in origin. To elucidate the molecular mechanisms underlying the cold-stress response, components involved in the signal transduction of cold stress have been characterized. In this study, we characterized a basic helix-loop-helix (bHLH) transcription factor encoding gene, SlICE1, from tomato (Solanum lycopersicum), which shows similarity with Arabidopsis ICE1. e expression of SlICE1 was observed in younger leaves, owers, and green and red fruits. To characterize the function of SlICE1, overexpressing tomato lines were produced. SlICE1-overexpressing tomatoes exhibited chilling tolerance, and SlICE1 enhanced the expression of coldresponsive genes, such as SlCBF1 and SlDRCi7, as well as accumulation of ascorbic acid. e SlICE1 protein was degraded a er cold treatment. ese results indicate that SlICE1 enhances cold tolerance in tomatoes.

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“…Cold tolerance plays a critical role in determining rice development and biomass yield, so that studying on cold-response pathways will help inform genetic improvement of rice to increase biomass production. Although OsICE1/OsICE2 have high similarity in sequence with formerly reported AtICE1 (AT3G26744) and AtICE2 (AT1G12860) from Arabidopsis, 19,20,23 it is still largely unknown about their function in regulation of rice cold tolerance. In this study, we investigate whether OsICE1 (LOC_Os11g32100) and OsICE2 (LOC_Os01g70310) share conserved function through analysis of amino acid sequence similarity between OsICE1/OsICE2 and AtICE1/AtICE2.…”

Section: Ice1; Cold Stress; Positive Regulator; Transcription Factorsmentioning

confidence: 96%

The rice transcription factors OsICE confer enhanced cold tolerance in transgenic Arabidopsis

Deng

Yé

Fan

et al. 2017

Plant Signaling & Behavior

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Cold stress is one of the major constraints for crop yield. Plants have in turn evolved highly sophisticated mechanisms involving altered physiologic and biochemical processes to cope with the cold stress. Previous studies have revealed that the INDUCER OF CBF EXPRESSION 1 (ICE1), a basic helix-loop-helix (bHLH) transcription factor, directly binds and activates the expression of C-Repeat Binding Factor/ Dehydration-Responsive-Element-Binding protein (CBF/DREB1) to regulate the cold-response pathway in Arabidopsis thaliana. However, the function of AtICE1 orthologues in rice is largely unknown. Here we identified that OsICE1 and OsICE2 in rice shared highly conserved amino acid sequence with AtICE1 in Arabidopsis. Overexpression of OsICE1 and OsICE2 in Arabidopsis significantly enhanced the cold tolerance of Arabidopsis seedlings and improved the expression of cold-response genes. Furthermore, we showed that both OsICE1 and OsICE2 physically interact with OsMYBS3, a single DNA-binding repeat MYB transcription factor that is essential for cold adaptation in rice, suggesting that OsICE1/OsICE2 and OsMYBS3 probably act through specific signal transduction mechanisms to coordinate cold tolerance in rice. These results demonstrated that the 2 OsICEs are orthologues of AtICE1 and play positive regulators in activation of cold-response genes to regulate the cold tolerance.

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Identification of ICE2, a gene involved in cold acclimation which determines freezing tolerance in Arabidopsis thaliana

Cited by 234 publications

References 24 publications

CYTOKININ RESPONSE FACTOR2 (CRF2) and CRF3 Regulate Lateral Root Development in Response to Cold Stress in Arabidopsis

CYTOKININ RESPONSE FACTOR2 (CRF2) and CRF3 Regulate Lateral Root Development in Response to Cold Stress in Arabidopsis

SlICE1 encoding a MYC-type transcription factor controls cold tolerance in tomato, Solanum lycopersicum

The rice transcription factors OsICE confer enhanced cold tolerance in transgenic Arabidopsis

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