B. Karpinska

Publications85
h-index27
Citations4,716
Highly Influential Citations248
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Systemic signaling and acclimation in response to excess excitation energy in Arabidopsis.
TLDR
Plants possess a mechanism to communicate excess excitation energy systemically, allowing them to mount a defense against further episodes of such stress, and systemic redox changes in the proximity of photosystem II, hydrogen peroxide, and the induction of antioxidant defenses are key determinants of this mechanism of systemic acquired acclimation.
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Photosynthetic electron transport regulates the expression of cytosolic ascorbate peroxidase genes in Arabidopsis during excess light stress.
TLDR
Measurements of photosynthetic parameters and the use of electron transport inhibitors indicated that a novel signal transduction pathway was initiated at plastoquinone and regulated, at least in part, by the redox status of the plastOquinone pool.
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Chloroplast Signaling and LESION SIMULATING DISEASE1 Regulate Crosstalk between Light Acclimation and Immunity in Arabidopsis[W]
TLDR
The data suggest that the balanced activities of LSD1, EDS1, PAD4, and EIN2 regulate signaling of programmed cell death, light acclimation, and holistic defense responses that are initiated, at least in part, by redox changes of the PQ pool.
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LESION SIMULATING DISEASE 1 Is Required for Acclimation to Conditions That Promote Excess Excitation Energy12[w]
TLDR
The data suggest that lsd1 failed to acclimate to light conditions that promote excess excitation energy (EEE) and that LSD1 function was required for optimal catalase activity and that through this regulation LSD1 can influence the effectiveness of photorespiration in dissipating EEE and consequently may be a key determinant of acclimatory processes.
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The role of hydrogen peroxide in regulation of plant metabolism and cellular signalling in response to environmental stresses.
TLDR
The potential role of H2O2 in the photosynthetic mode of carbon assimilation, such as C4 metabolism and CAM (Crassulacean acid metabolism) is discussed and it is speculated that early in the evolution of oxygenic photosynthesis on Earth, H1O2 could have been involved in the development of modern photosystem II.
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Transcriptional regulation of the CRK/DUF26 group of Receptor-like protein kinases by ozone and plant hormones in Arabidopsis
TLDR
Combining expression analysis from multiple treatments with mutants altered in hormone biosynthesis or signalling suggest a model in which O3 and salicylic acid (SA) activate separate signaling pathways that exhibit negative crosstalk.
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Evidence for Light Wavelength-Specific Photoelectrophysiological Signaling and Memory of Excess Light Episodes in Arabidopsis[W][OA]
TLDR
It is concluded that plants possess a complex and dynamic light training and memory system that involves quantum redox, reactive oxygen species, hormonal, and PEPS signaling and is used to optimize light acclimation and immune defenses.
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Light perception in plant disease defence signalling.
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Arabidopsis Chloroplastic Glutathione Peroxidases Play a Role in Cross Talk between Photooxidative Stress and Immune Responses1[W][OA]
TLDR
It is shown that reduced cpGPX expression, either in transgenic lines with lower total GPX1 and GPX7 expression or in a gpx7 insertion mutant, leads to compromised photooxidative stress tolerance but increased basal resistance to virulent bacteria.
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MYB transcription factors are differentially expressed and regulated during secondary vascular tissue development in hybrid aspen
TLDR
Three MYB genes showed different expression patterns in various organs, tissues and stem sub-sections representing different developmental stages of vascular tissue formation, and a higher transcript level of caffeoyl-CoA 3-O-methyltransferase was found in the phloem of the transgenic plants, suggesting that PttMYB21a might function as a transcriptional repressor.
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