A guard-cell-specific MYB transcription factor regulates stomatal movements and plant drought tolerance.
Eleonora Cominelli,Massimo Galbiati,Alain Vavasseur,Lucio Conti,T. Sala,Marnik Vuylsteke,Nathalie Leonhardt,Stephen L. Dellaporta,Chiara Tonelli +8 more
TL;DR: The characterization of AtMYB60, a R2R3-MYB gene of Arabidopsis, is reported as the first transcription factor involved in the regulation of stomatal movements and opens new possibilities to engineeringStomatal activity to help plants survive desiccation.
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About: This article is published in Current Biology. The article was published on 12 Jul 2005. and is currently open access. The article focuses on the topics: Guard cell & Transpiration.
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Citations
Gene Expression Analysis of Rice Seedling under Potassium Deprivation Reveals Major Changes in Metabolism and Signaling Components
Alka Shankar,Amarjeet Singh,Poonam Kanwar,Ashish Kumar Srivastava,Amita Pandey,Penna Suprasanna,Sanjay Kapoor,Girdhar K. Pandey +7 more
TL;DR: The results of this study indicate that potassium deprivation leads to activation of multiple genes and gene networks, which may be acting in concert to sense the external potassium and mediate uptake, distribution and ultimately adaptation to low potassium conditions.
AtMYB20 is negatively involved in plant adaptive response to drought stress
TL;DR: AtMYB20 acts as a negative regulator of plant response to desiccation stress in an ABA-dependent manner and is validated by the experiment in which treatment with 10 μM ABA for 2 h resulted in constant stomatal opening on leaves of 35S:m5AtMYb20 plants but stomatic closure on myb20 mutant plants.
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MYB3 plays an important role in lignin and anthocyanin biosynthesis under salt stress condition in Arabidopsis
TL;DR: Nuclear-localized Arabidopsis MYB3 functions as a transcriptional repressor for regulation of lignin and anthocyanin biosynthesis under high salt conditions as discussed by the authors .
Anthocyanin Biosynthesis Genes as Model Genes for Genome Editing in Plants.
TL;DR: In this paper, a review of successful events of CRISPR/Cas editing of anthocyanin genes are summarized, and new model genes are proposed, which can be useful for molecular biologists and genetic engineers, crop scientists, plant genetics and physiologists.
R2R3-MYB transcription factor family in tea plant (Camellia sinensis): Genome-wide characterization, phylogeny, chromosome location, structure and expression patterns.
Xuejin Chen,Pengjie Wang,Mengya Gu,Xinying Lin,Binghao Hou,Yucheng Zheng,Yun Sun,Shan Jin,Naixing Ye +8 more
TL;DR: In this paper, a total of 122 CsR2R3-MYB genes were identified from the chromosome level genome of Camellia sinensis and phylogenetic classification of these genes were performed.
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References
Guard cell signal transduction
Julian I. Schroeder,Gethyn J. Allen,Véronique Hugouvieux,June M. Kwak,David Waner +4 more
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TL;DR: Stomatal guard cells have become a highly developed model system for characterizing early signal transduction mechanisms in plants and for elucidating how individual signaling mechanisms can interact within a network in a single cell.
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phot1 and phot2 mediate blue light regulation of stomatal opening
Toshinori Kinoshita,Michio Doi,Noriyuki Suetsugu,Noriyuki Suetsugu,Takatoshi Kagawa,Takatoshi Kagawa,Masamitsu Wada,Masamitsu Wada,Ken-ichiro Shimazaki +8 more
TL;DR: It is demonstrated that in a double mutant of phot1 and phot2 stomata do not respond to blue light although single mutants are phenotypically normal, and blue light receptors mediating stomatal opening are acted redundantly.
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Guard cell abscisic acid signalling and engineering drought hardiness in plants
TL;DR: The molecular understanding of the guard cell signal transduction network opens possibilities for engineering stomatal responses to control CO2 intake and plant water loss.
851
Arabidopsis Cys2/His2-Type Zinc-Finger Proteins Function as Transcription Repressors under Drought, Cold, and High-Salinity Stress Conditions
Hideki Sakamoto,Kyonoshin Maruyama,Yoh Sakuma,Tetsuo Meshi,Masaki Iwabuchi,Kazuo Shinozaki,Kazuko Yamaguchi-Shinozaki +6 more
TL;DR: Results suggest that AZF2 and STZ function as transcriptional repressors to increase stress tolerance following growth retardation and Transgenic Arabidopsis overexpressing STZ showed growth retardations and tolerance to drought stress.
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Microarray Expression Analyses of Arabidopsis Guard Cells and Isolation of a Recessive Abscisic Acid Hypersensitive Protein Phosphatase 2C Mutant
Nathalie Leonhardt,June M. Kwak,Nadia Robert,David Waner,Guillaume Leonhardt,Julian I. Schroeder +5 more
TL;DR: Exposure profiling reveals ABA modulation of many known guard cell ABA signaling components at the transcript level, and a highly ABA-induced protein phosphatase 2C transcript, AtP2C-HA, is identified in guard cells.