Biochemical and molecular characterization of plant MYB transcription factor family

Du, Hongwu; Zhang, Li; Liu, Lei; Tang, Xiaofeng; Yang, Wenjie; Wu, Yihan; Huang, Yubi; Tang, Yixiong

doi:10.1134/s0006297909010015

Cited by 202 publications

(161 citation statements)

References 113 publications

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“…MYB genes were generated by successive gain of repeat units. Du et al (2009) and Dubos et al (2010) have reviewed the structure, characteristic, classification, multi-functionality, mechanism of combinational control, the "gain" model for evolution and function redundancy of MYB genes in detail.…”

Section: Evolution Of Mybmentioning

confidence: 99%

“…A tremendous amount of data is available on the roles of MYB transcription factors in plants (Du et al 2009;Dubos et al 2010). The functions of MYB proteins have been investigated in numerous plant species such as Arabidopsis, maize, cotton, rice (Oryza sativa), petunia (Petunia hybrida), snapdragon (Antirrhinum majus), grapevine (Vitis vinifera L.), poplar (Populus tremuloides) and apple (Malus domestica), using both genetic and molecular analyses.…”

Section: Functions Of Mybmentioning

confidence: 99%

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MYB transcription factor genes as regulators for plant responses: an overview

Ambawat

Sharma

Yadav

et al. 2013

Physiol Mol Biol Plants

817

544

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Regulation of gene expression at the level of transcription controls many crucial biological processes. Transcription factors (TFs) play a great role in controlling cellular processes and MYB TF family is large and involved in controlling various processes like responses to biotic and abiotic stresses, development, differentiation, metabolism, defense etc. Here, we review MYB TFs with particular emphasis on their role in controlling different biological processes. This will provide valuable insights in understanding regulatory networks and associated functions to develop strategies for crop improvement.

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Section: Evolution Of Mybmentioning

confidence: 99%

Section: Functions Of Mybmentioning

confidence: 99%

MYB transcription factor genes as regulators for plant responses: an overview

Ambawat

Sharma

Yadav

et al. 2013

Physiol Mol Biol Plants

817

544

View full text Add to dashboard Cite

show abstract

“…WRKY TFs belong to a superfamily with different functions and are involved in the response to biotic and abiotic stresses (Pandey and Somssich, 2009;Chen et al, 2012). MYB TFs function as stressresponsive factors, as key factors in the signaling of many hormones (Du et al, 2009), and as regulators of anthocyanin biosynthesis in citrus (Butelli et al, 2012). In our results, AP2/EREBP and NAC family TFs were mainly present in the SubLs, including Ethylene Response DNA Binding Factor2 (CL9870), Related to AP2.4 (CL3372), DREB and EAR Motif Protein2 (CL4034), ABR1 (CL11397), ERF018 (CL8491), ERF071 (CL788), ERF013 (CL6697), NAP (CL2421), NAC010 (CL7396), NAC017 (CL13252), NAC078 (CL3268), etc.…”

Section: Differential Expression Patterns Of Transcription Factors Ammentioning

confidence: 99%

Network Analysis of Postharvest Senescence Process in Citrus Fruits Revealed by Transcriptomic and Metabolomic Profiling

Ding¹,

Chang²,

Ma³

et al. 2015

Plant Physiol.

106

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Citrus (Citrus spp.), a nonclimacteric fruit, is one of the most important fruit crops in global fruit industry. However, the biological behavior of citrus fruit ripening and postharvest senescence remains unclear. To better understand the senescence process of citrus fruit, we analyzed data sets from commercial microarrays, gas chromatography-mass spectrometry, and liquid chromatography-mass spectrometry and validated physiological quality detection of four main varieties in the genus Citrus. Network-based approaches of data mining and modeling were used to investigate complex molecular processes in citrus. The Citrus Metabolic Pathway Network and correlation networks were constructed to explore the modules and relationships of the functional genes/metabolites. We found that the different flesh-rind transport of nutrients and water due to the anatomic structural differences among citrus varieties might be an important factor that influences fruit senescence behavior. We then modeled and verified the citrus senescence process. As fruit rind is exposed directly to the environment, which results in energy expenditure in response to biotic and abiotic stresses, nutrients are exported from flesh to rind to maintain the activity of the whole fruit. The depletion of internal substances causes abiotic stresses, which further induces phytohormone reactions, transcription factor regulation, and a series of physiological and biochemical reactions.

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“…However, several proteins, including protein tyrosine phosphatases and transcription factors, have been shown to be targets for oxidation by ROS (11,74). TFs of the Myb family are found in animals, plants, fungi, protozoa, and algae (14,45,51,58,66,76). These proteins play important roles in various cellular processes, such as cell proliferation, apoptosis, differentiation, metabolism, and environmental sensing.…”

mentioning

confidence: 99%

FlbD, a Myb Transcription Factor of Aspergillus nidulans, Is Uniquely Involved in both Asexual and Sexual Differentiation

et al. 2012

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ABSTRACTIn the fungusAspergillus nidulans, inactivation of theflbAto-E,fluG,fluF, andtmpAgenes results in similar phenotypes, characterized by a delay in conidiophore and asexual spore production.flbBto-Dencode transcription factors needed for proper expression of thebrlAgene, which is essential for asexual development. However, recent evidence indicates that FlbB and FlbE also have nontranscriptional functions. Here we show thatfluF1is an allele offlbDwhich results in an R47P substitution. Amino acids C46 and R47 are highly conserved in FlbD and many other Myb proteins, and C46 has been proposed to mediate redox regulation. Comparison of ΔflbDandflbDR47Pmutants uncovered a new and specific role forflbDduring sexual development. WhileflbDR47Pmutants retain partial function during conidiation, bothΔflbDandflbDR47Pmutants are unable to develop the peridium, a specialized external tissue that differentiates during fruiting body formation and ends up surrounding the sexual spores. This function, unique among otherfluffygenes, does not affect the viability of the naked ascospores produced by mutant strains. Notably, ascospore development in these mutants is still dependent on the NADPH oxidase NoxA. We generated R47K, C46D, C46S, and C46A mutant alleles and evaluated their effects on asexual and sexual development. Conidiation defects were most severe inΔflbDmutants and stronger in R47P, C46D, and C46S strains than in R47K strains. In contrast, mutants carrying theflbDC46Aallele exhibited conidiation defects in liquid culture only under nitrogen starvation conditions. The R47K, R47P, C46D, and C46S mutants failed to develop any peridial tissue, while theflbDC46Astrain showed normal peridium development and increased cleistothecium formation. Our results show that FlbD regulates both asexual and sexual differentiation, suggesting that both processes require FlbD DNA binding activity and that FlbD is involved in the response to nitrogen starvation.

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Biochemical and molecular characterization of plant MYB transcription factor family

Cited by 202 publications

References 113 publications

MYB transcription factor genes as regulators for plant responses: an overview

MYB transcription factor genes as regulators for plant responses: an overview

Network Analysis of Postharvest Senescence Process in Citrus Fruits Revealed by Transcriptomic and Metabolomic Profiling

FlbD, a Myb Transcription Factor of Aspergillus nidulans, Is Uniquely Involved in both Asexual and Sexual Differentiation

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