Beyond ubiquitination: Proteolytic and nonproteolytic roles of HOS1

Jae Hoon Jung; Hyo Jun Lee; Mi Jeong Park; Chung Mo Park

doi:10.1016/j.tplants.2014.03.012

Beyond ubiquitination: Proteolytic and nonproteolytic roles of HOS1

Jae Hoon Jung
, Hyo Jun Lee
, Mi Jeong Park
, Chung Mo Park

Research output: Contribution to journal › Review article › peer-review

19 Scopus citations

Abstract

The E3 ubiquitin ligase HIGH EXPRESSION OF OSMOTICALLY RESPONSIVE GENES 1 (HOS1) functions as a cold signaling attenuator by degrading the INDUCER OF CBF EXPRESSION 1 transcription factor, which is a key regulator of the cold-induced transcriptome and freezing tolerance in plants. Recent studies demonstrate that HOS1 also plays nonproteolytic roles in gene expression regulation. HOS1 acts as a chromatin remodeling factor that modulates FLOWERING LOCUS C chromatin in cold regulation of flowering time. It associates with the nuclear pore complex to facilitate nucleocytoplasmic mRNA export to maintain circadian periodicity over a range of light and temperature conditions. In this review, we summarize recent advances in molecular mechanisms underlying HOS1 function during plant development in response to fluctuating environmental conditions.

Original language	English
Pages (from-to)	538-545
Number of pages	8
Journal	Trends in Plant Science
Volume	19
Issue number	8
DOIs	https://doi.org/10.1016/j.tplants.2014.03.012
State	Published - Aug 2014
Externally published	Yes

Keywords

Chromatin remodeling
Circadian clock
E3 ubiquitin ligase
HOS1
MRNA export
Photoperiodic flowering

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10.1016/j.tplants.2014.03.012

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title = "Beyond ubiquitination: Proteolytic and nonproteolytic roles of HOS1",

abstract = "The E3 ubiquitin ligase HIGH EXPRESSION OF OSMOTICALLY RESPONSIVE GENES 1 (HOS1) functions as a cold signaling attenuator by degrading the INDUCER OF CBF EXPRESSION 1 transcription factor, which is a key regulator of the cold-induced transcriptome and freezing tolerance in plants. Recent studies demonstrate that HOS1 also plays nonproteolytic roles in gene expression regulation. HOS1 acts as a chromatin remodeling factor that modulates FLOWERING LOCUS C chromatin in cold regulation of flowering time. It associates with the nuclear pore complex to facilitate nucleocytoplasmic mRNA export to maintain circadian periodicity over a range of light and temperature conditions. In this review, we summarize recent advances in molecular mechanisms underlying HOS1 function during plant development in response to fluctuating environmental conditions.",

keywords = "Chromatin remodeling, Circadian clock, E3 ubiquitin ligase, HOS1, MRNA export, Photoperiodic flowering",

author = "Jung, \{Jae Hoon\} and Lee, \{Hyo Jun\} and Park, \{Mi Jeong\} and Park, \{Chung Mo\}",

year = "2014",

month = aug,

doi = "10.1016/j.tplants.2014.03.012",

language = "English",

volume = "19",

pages = "538--545",

journal = "Trends in Plant Science",

issn = "1360-1385",

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TY - JOUR

T1 - Beyond ubiquitination

T2 - Proteolytic and nonproteolytic roles of HOS1

AU - Jung, Jae Hoon

AU - Lee, Hyo Jun

AU - Park, Mi Jeong

AU - Park, Chung Mo

PY - 2014/8

Y1 - 2014/8

N2 - The E3 ubiquitin ligase HIGH EXPRESSION OF OSMOTICALLY RESPONSIVE GENES 1 (HOS1) functions as a cold signaling attenuator by degrading the INDUCER OF CBF EXPRESSION 1 transcription factor, which is a key regulator of the cold-induced transcriptome and freezing tolerance in plants. Recent studies demonstrate that HOS1 also plays nonproteolytic roles in gene expression regulation. HOS1 acts as a chromatin remodeling factor that modulates FLOWERING LOCUS C chromatin in cold regulation of flowering time. It associates with the nuclear pore complex to facilitate nucleocytoplasmic mRNA export to maintain circadian periodicity over a range of light and temperature conditions. In this review, we summarize recent advances in molecular mechanisms underlying HOS1 function during plant development in response to fluctuating environmental conditions.

AB - The E3 ubiquitin ligase HIGH EXPRESSION OF OSMOTICALLY RESPONSIVE GENES 1 (HOS1) functions as a cold signaling attenuator by degrading the INDUCER OF CBF EXPRESSION 1 transcription factor, which is a key regulator of the cold-induced transcriptome and freezing tolerance in plants. Recent studies demonstrate that HOS1 also plays nonproteolytic roles in gene expression regulation. HOS1 acts as a chromatin remodeling factor that modulates FLOWERING LOCUS C chromatin in cold regulation of flowering time. It associates with the nuclear pore complex to facilitate nucleocytoplasmic mRNA export to maintain circadian periodicity over a range of light and temperature conditions. In this review, we summarize recent advances in molecular mechanisms underlying HOS1 function during plant development in response to fluctuating environmental conditions.

KW - Chromatin remodeling

KW - Circadian clock

KW - E3 ubiquitin ligase

KW - HOS1

KW - MRNA export

KW - Photoperiodic flowering

UR - https://www.scopus.com/pages/publications/84905170929

U2 - 10.1016/j.tplants.2014.03.012

DO - 10.1016/j.tplants.2014.03.012

M3 - Review article

C2 - 24768209

AN - SCOPUS:84905170929

SN - 1360-1385

VL - 19

SP - 538

EP - 545

JO - Trends in Plant Science

JF - Trends in Plant Science

IS - 8

ER -

Beyond ubiquitination: Proteolytic and nonproteolytic roles of HOS1

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