brachypodium/antioxidant

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Nucleotide diversity and linkage disequilibrium in antioxidant genes of Brachypodium distachyon.

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Brachypodium distachyon (Brachypodium) is a powerful model system for studying cereal, bioenergy, forage, and turf grasses. Nucleotide diversity (π) and linkage disequilibrium (LD) in candidate genes involved in the antioxidative pathways in this species are not known. The average π for CAT encoding

Over-expression of the Brachypodium ASR gene, BdASR4, enhances drought tolerance in Brachypodium distachyon.

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BdASR4 expression was up-regulated during abiotic stress and hormone treatments. Plants over-expressing BdASR4 improved drought tolerant. BdASR4 may regulate antioxidant activities and transcript levels of stress-related and abscisic acid-responsive genes. Abiotic stress conditions negatively affect

Time-dependent leaf proteome alterations of Brachypodium distachyon in response to drought stress.

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UNASSIGNED For the first time, a comprehensive proteome analysis was conducted on Brachypodium leaves under drought stress. Gradual changes in response to drought stress were monitored. Drought is one of the major stress factors that dramatically affect the agricultural productivity worldwide.

The wheat E3 ligase TaPUB26 is a negative regulator in response to salt stress in transgenic Brachypodium distachyon.

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Various abiotic stresses, including high salinity, affect the growth and yield of crop plants. We isolated a gene, TaPUB26, from wheat that encodes a protein containing a U-box domain and armadillo (ARM) repeats. The TaPUB26 transcript levels were upregulated by high salinity, temperature, drought

Differential gene expression and metabolomic analyses of Brachypodium distachyon infected by deoxynivalenol producing and non-producing strains of Fusarium graminearum.

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BACKGROUND Fusarium Head Blight (FHB) caused primarily by Fusarium graminearum (Fg) is one of the major diseases of small-grain cereals including bread wheat. This disease both reduces yields and causes quality losses due to the production of deoxynivalenol (DON), the major type B trichothecene

Overexpression of wheat α-mannosidase gene TaMP impairs salt tolerance in transgenic Brachypodium distachyon.

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The TaMP gene from wheat encodes an α-mannosidase induced by salt stress that functions as negative regulator of salt tolerance in plants. Salt stress significantly affects growth and yield of crop plants. The α-mannosidases function in protein folding, trafficking, and endoplasmic

Interaction between elevated temperature and different types of Na-salicylate treatment in Brachypodium dystachion.

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Salicylic acid (SA) plays a role in several physiological processes in plants. Exogenously applied SA is a promising tool to reduce stress sensitivity. However, the mode of action may depend on how the treatment was performed and environmental conditions may alter the effects of SA. In the present

Overexpression of wheat ubiquitin gene, Ta-Ub2, improves abiotic stress tolerance of Brachypodium distachyon.

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Ubiquitination plays an important role in regulating plant's development and adaptability to abiotic stress. To investigate the possible functions of a wheat monoubiquitin gene Ta-Ub2 in abiotic stress in monocot and compare it with that in dicot, we generated transgenic Brachypodium plants

Identification of the ASR gene family from Brachypodium distachyon and functional characterization of BdASR1 in response to drought stress.

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CONCLUSIONS A genome-wide investigation identified five B. distachyon ASR genes. BdASR1 may be a transcription factor that confers drought resistance by activating antioxidant systems involving ROS-scavenging enzymes and non-enzymatic antioxidants. Abscisic acid-, stress-, and ripening-induced (ASR)

The effects of chronic radiation of gamma ray on protein expression and oxidative stress in Brachypodium distachyon.

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OBJECTIVE To compare the effects of gamma-irradiation on biochemical responses and growth, six-week-old Brachypodium plants were chronically exposed to gamma-irradiation for 30 days at various dosages. METHODS Growth surveys of Brachypodium plants in response to different dosages of

Transgenic tobacco plants overexpressing a grass PpEXP1 gene exhibit enhanced tolerance to heat stress.

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Heat stress is a detrimental abiotic stress limiting the growth of many plant species and is associated with various cellular and physiological damages. Expansins are a family of proteins which are known to play roles in regulating cell wall elongation and expansion, as well as other growth and

Genome-wide identification, phylogeny and expression profiling of class III peroxidases gene family in Brachypodium distachyon.

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Class III peroxidases are classical secretory plant peroxidases belonging to a large multi-gene family. Class III peroxidases are involved in various physical processes and the response to biotic and abiotic stress to protect plants from environmental adversities. In this study, 151 BdPrx genes were

The Brachypodium distachyon BdWRKY36 gene confers tolerance to drought stress in transgenic tobacco plants.

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CONCLUSIONS The expression of BdWRKY36 was upregulated by drought treatment. BdWRKY36 -overexpressing transgenic tobacco increased drought tolerance by controlling ROS homeostasis and regulating transcription of stress related genes. WRKY transcription factor plays important roles in plant growth,

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