Research advances of MYB transcription factors in plant stress resistance and breeding

Li, Jinlu; Han, Guoliang; Sun, Cuifeng; Sui, Na

doi:10.1080/15592324.2019.1613131

Cited by 183 publications

(141 citation statements)

References 119 publications

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“…Plant △ ∼ 1-pyrroline-5-carboxylic acid synthase ( P5CS ) is a key enzyme involved in proline synthesis, and it is also important for abiotic stress responses ( Li et al, 2018 ; Arabbeigi, Arzani & Majidi, 2019 ). Ascorbate peroxidase ( APX ) plays an important role in plant abiotic stress, and is an important index for measuring stress responsiveness ( Li et al., 2019a ; Li et al., 2019b ; Cunha et al, 2019 ). Our experimental results indicated that the overexpression of SlMYB102 can increase both APX2 and P5CS expression ( Figs.…”

Section: Discussionmentioning

confidence: 99%

“…MdMYB88 and MdMYB124 actively regulate frost tolerance and cold response gene expression in apples and in A. thaliana (Xie et al, 2018), while PbrMYB5 controls AsA synthesis by regulating the expression of dehydroascorbate reductase (DHAR2), thereby improving the cold resistance of transgenic tobacco plants (Xing et al, 2019). These past studies provide clear evidence for the vital role of plant MYB family transcription factors in abiotic stress responses (Abe et al, 1997;Li et al, 2019a;Li et al, 2019b).…”

Section: Introductionmentioning

confidence: 97%

“…The MYB family is one of the largest transcription factor families in plants ( Li et al., 2019a ; Li et al., 2019b ), with four distinct MYB subfamilies that are designated according to their structural repeat composition ( Dubos et al, 2010 ). These families include the 1R-MYB/MYB-related subfamily that includes MYB domain-containing proteins with a single R structure ( Nemie-Feyissa et al, 2014 ), the R2R3-MYB subfamily which includes MYB domain-containing factors with two R structures, the R1R2R3-MYB subfamily which includes MYB domain-containing transcription factors containing 3 R structures ( Haga et al, 2007 ), and a group of MYB domain-containing transcription factors containing 4 R structures similar to the R1/R2 structure ( Hou et al, 2014 ).…”

Section: Introductionmentioning

confidence: 99%

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SlMYB102 expression enhances low-temperature stress resistance in tomato plants

Wang

Hao

Chen

et al. 2020

PeerJ

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Herein, we identified the tomato SlMYB102 gene as a MYB family transcription factor of the R2R3-MYB subfamily. We additionally determined that the SlMYB102 promoter region contains photoresponsive, abiotic stress-responsive, and hormone-responsive regulatory elements, and we detected higher SlMYB102 expression in the reproductive organs of tomato than that in vegetative organs, with the expression being highest in ripe fruits and in roots. SlMYB102 expression was also shown to be cold-inducible. The protein encoded by SlMYB102 localized to the nucleus wherein it was found to mediate the transcriptional activation of target genes through its C-terminal domain. Overexpression of SlMYB102 in tomato plants conferred enhanced tolerance to cold stress. Under such cold stress conditions, we found that proline levels in the leaves of SlMYB102 overexpressing transgenic plants were higher than those in WT plants. In addition, S1MYB102 overexpression was associated with the enhanced expression of cold response genes including SlCBF1, SlCBF3, SlDREB1, SlDEB2, and SlICE1. We also found that the overexpression of SlMYB102 further enhanced the cold-induced upregulation of SlP5CS and SlAPX2. Taken together, these results suggest that SlMYB102 may be involved in the C-repeat binding transcription factor (CBF) and proline synthesis pathways, thereby improving tomato plant cold resistance.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 97%

Section: Introductionmentioning

confidence: 99%

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SlMYB102 expression enhances low-temperature stress resistance in tomato plants

Wang

Hao

Chen

et al. 2020

PeerJ

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“…Myb is another TF that is well characterized as a Ca 2+ /CaM-dependent protein. It acts upstream to a number of defense-responsive, salinity, and drought-receptive genes ( Do Heo et al, 1999 ; Stracke et al, 2001 ; Li et al, 2019 ). CaM also supports transcriptional repression interceded by CBNAC/NTL9 ( Kim et al, 2007 ).…”

Section: Calcium: a Second Messenger And Its Interaction With Calmodumentioning

confidence: 99%

Ca2+/Calmodulin Complex Triggers CAMTA Transcriptional Machinery Under Stress in Plants: Signaling Cascade and Molecular Regulation

Iqbal

Singh

et al. 2020

Front. Plant Sci.

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Calcium (Ca2+) ion is a critical ubiquitous intracellular second messenger, acting as a lead currency for several distinct signal transduction pathways. Transient perturbations in free cytosolic Ca2+ ([Ca2+]cyt) concentrations are indispensable for the translation of signals into adaptive biological responses. The transient increase in [Ca2+]cyt levels is sensed by an array of Ca2+ sensor relay proteins such as calmodulin (CaM), eventually leading to conformational changes and activation of CaM. CaM, in a Ca2+-dependent manner, regulates several transcription factors (TFs) that are implicated in various molecular, physiological, and biochemical functions in cells. CAMTA (calmodulin-binding transcription activator) is one such member of the Ca2+-loaded CaM-dependent family of TFs. The present review focuses on Ca2+ as a second messenger, its interaction with CaM, and Ca2+/CaM-mediated CAMTA transcriptional regulation in plants. The review recapitulates the molecular and physiological functions of CAMTA in model plants and various crops, confirming its probable involvement in stress signaling pathways and overall plant development. Studying Ca2+/CaM-mediated CAMTA TF will help in answering key questions concerning signaling cascades and molecular regulation under stress conditions and plant growth, thus improving our knowledge for crop improvement.

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“…The GRAS and MYB TF families are two of the most over-represented families in cycling transcripts that are downregulated in response to heat, especially during the early response (Table S1). These two families participate in many aspects of plant growth and development [94,95]. Thus, transcriptional regulation of these family members under heat reflects the adjustment of developmental processes in response to this stress.…”

Section: Time Of Day and Other Clock-regulated Heat Responsive Transcmentioning

confidence: 99%

Interaction between the Circadian Clock and Regulators of Heat Stress Responses in Plants

Mody

Bonnot

Nagel

2020

Genes

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The circadian clock is found ubiquitously in nature, and helps organisms coordinate internal biological processes with environmental cues that inform the time of the day or year. Both temperature stress and the clock affect many important biological processes in plants. Specifically, clock-controlled gene regulation and growth are impacted by a compromised clock or heat stress. The interactions linking these two regulatory pathways include several rhythmic transcription factors that are important for coordinating the appropriate response to temperature stress. Here we review the current understanding of clock control of the regulators involved in heat stress responses in plants.

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Research advances of MYB transcription factors in plant stress resistance and breeding

Cited by 183 publications

References 119 publications

SlMYB102 expression enhances low-temperature stress resistance in tomato plants

SlMYB102 expression enhances low-temperature stress resistance in tomato plants

Ca2+/Calmodulin Complex Triggers CAMTA Transcriptional Machinery Under Stress in Plants: Signaling Cascade and Molecular Regulation

Interaction between the Circadian Clock and Regulators of Heat Stress Responses in Plants

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