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1

Drought Stress Effects on Photosynthesis, Chlorophyll Fluorescence and Water Relations in Tolerant and Susceptible Chickpea (Cicer Arietinum L.) Genotypes

100%

Rahbarian R., Khavari-Nejad R., Ganjeali A., Bagheri A., Najafi F.

Acta Biologica Cracoviensia s. Botanica

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2011

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vol. 53

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issue 1

2

Lamellar spacing of photosystem II membrane fragments upon dehydration studied by neutron membrane diffraction

100%

Pieper J., Rusevich L., Hauß T., Renger G.

Optofluidics, Microfluidics and Nanofluidics

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2015

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vol. 2

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issue 1

EN

The effect of dehydration on the lamellar spacing of photosystem II (PS II) membrane fragments from spinach has been investigated using neutron membrane diffraction at room temperature. The diffraction data reveal a major peak at a scattering vector Q of 0.049 Å−1 at a relative humidity (r.h.) of 90% corresponding to a repeat distance D of about 129 Å. Upon dehydration to 44% r.h., this peak shifts to about 0.060 Å−1 corresponding to a distance of 104.7±2.5 Å. Within experimental error, the latter repeat distance remains almost the same at hydration levels below 44% r.h. indicating that most of the hydration water is removed. This result is consistent with the earlier finding that hydration-induced conformational protein motions in PS II membrane fragments are observed above 44% r.h. and correlated with the onset electron transfer in PS II (Pieper et al. 2008, Eur. Biophys. J. 37: 657–663).

3

Changes in dynamics of 14C incorporation and releaseby Antarctic marine diatoms in the presence of Lindane during subsequent light/dark periods

100%

Bystrzejewska G., Łukowski A., Ligowski R., Bystrzejewska G., Łukowski A., Ligowski R.

Polish Polar Research

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1993

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vol. 14

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issue 1

4

Long Wave UV-B Radiation and Asahi SL Modify Flavonoid Content and Radical Scavenging Activity of Zea mays var. saccharata Leaves

86%

Skórska E., Grzeszczuk M., Barańska M., Wójcik-Stopczyńska B.

Acta Biologica Cracoviensia s. Botanica

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2019

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vol. 61

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issue 1

5

Temperature effect on growth, and selected parameters of Phaeodactylum tricornutum in batch cultures

86%

Bojko M., Brzostowska K., Kuczyńska P., Latowski D., Olchawa-Pajor M., Krzeszowiec W., Waloszek A., Strzałka K.

Acta Biochimica Polonica

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2013

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vol. 60

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issue 4

861-864

EN

The effect of optimal and stress temperatures on the growth kinetics of the Phaeodactylum tricornutum CCAP/1055/1 strain (a model diatom with a known genome sequence) in batch cultures was examined. The analysis of the obtained results showed two phases of culture growth. There were significant positive correlations between OD increase of chlorophyll a chlorophyll c and protein concentration at different temperatures. The Fv/Fm parameter achieved a maximum level on the 6th or 7th day and then decreased to the values registered on the first day of observation. Genetic material undergoes gradual degradation 10 days after inoculation. The size of the cells was invariable.

6

The key role of the redox status in regulation of metabolism in photosynthesizing organisms

86%

Kornas A., Kuźniak E., Ślesak I., Miszalski Z.

Acta Biochimica Polonica

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2010

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vol. 57

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issue 2

143-151

EN

The redox status of the cell is described by the ratio of reduced to non-reduced compounds. Redox reactions which determine the redox state are an essential feature of all living beings on Earth. However, the first life forms evolved under strongly anoxic conditions of the young Earth, and the redox status probably was based on iron and sulphur compounds. Nowadays, redox reactions in cells have developed in strict connection to molecular oxygen and its derivatives i.e. reactive oxygen species (ROS). Oxygen has started to accumulate on the Earth due to oxygenic photosynthesis. All aspects of aerobic life involve ROS, reactive nitrogen species (RNS), antioxidants and redox regulation. Many different redox-active compounds are involved in the complex of redox processes, including pyridine nucleotides, thioredoxins, glutaredoxins and other thiol/disulphide-containing proteins. Redox regulation is integrated with the redox-reactions in photosynthesis and respiration to achieve an overall energy balance and to maintain a reduced state necessary for the biosynthetic pathways that are reductive in nature. It underlies the physiological and developmental flexibility in plant response to environmental signals.

7

Impact of warming on Nostoc colonies (Cyanobacteria) in a wet hummock meadow, Spitsbergen

86%

Elster J., Kvíderová J., Hájek T., Láska K., Šimek M.

Polish Polar Research

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2012

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issue 4

8

Photosynthetic performance in Antarctic lichens with different growth forms reflect the diversity of lichenized algal adaptation to microhabitats

86%

Cao S., Zhang J., Zheng H., Liu C., Zhou Q.

Polish Polar Research

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2015

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issue 2

9

Waterlogging tolerance: A review on regulative morpho-physiological homeostasis of crop plants

86%

Sharma S., Sharma J., Soni V., Kalaji H. M., Elsheery N. I., Sharma S., Sharma J., Soni V., Kalaji H. M., Elsheery N. I.

Journal of Water and Land Development

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2021

10

Selenium nanoparticle protected strawberry against salt stress through modifications in salicylic acid, ion homeostasis, antioxidant machinery, and photosynthesis performance

86%

Soleymanzadeh R., Iranbakhsh A., Habibi G., Ardebili Z. O., Soleymanzadeh R., Iranbakhsh A., Habibi G., Ardebili Z. O.

Acta Biologica Cracoviensia s. Botanica

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2020

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vol. 62

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issue 1

11

Characteristic of carbon dioxide absorption by cereals in Poland and China

86%

Pawłowski L., Pawłowska M., Cel W., Wang L., Li C., Mei T.

Gospodarka Surowcami Mineralnymi

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2019

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vol. 35

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issue 1

12

The role of hydrogen peroxide in regulation of plant metabolism and cellular signalling in response to environmental stresses

72%

Ślesak I., Libik M., Karpinska B., Karpinski S., Miszalski Z.

Acta Biochimica Polonica

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2007

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vol. 54

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issue 1

39-50

EN

Hydrogen peroxide (H2O2) is produced predominantly in plant cells during photosynthesis and photorespiration, and to a lesser extent, in respiration processes. It is the most stable of the so-called reactive oxygen species (ROS), and therefore plays a crucial role as a signalling molecule in various physiological processes. Intra- and intercellular levels of H2O2 increase during environmental stresses. Hydrogen peroxide interacts with thiol-containing proteins and activates different signalling pathways as well as transcription factors, which in turn regulate gene expression and cell-cycle processes. Genetic systems controlling cellular redox homeostasis and H2O2 signalling are discussed. In addition to photosynthetic and respiratory metabolism, the extracellular matrix (ECM) plays an important role in the generation of H2O2, which regulates plant growth, development, acclimatory and defence responses. During various environmental stresses the highest levels of H2O2 are observed in the leaf veins. Most of our knowledge about H2O2 in plants has been obtained from obligate C3 plants. The potential role of H2O2 in the photosynthetic mode of carbon assimilation, such as C4 metabolism and CAM (Crassulacean acid metabolism) is discussed. We speculate that early in the evolution of oxygenic photosynthesis on Earth, H2O2 could have been involved in the evolution of modern photosystem II.

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Drought Stress Effects on Photosynthesis, Chlorophyll Fluorescence and Water Relations in Tolerant and Susceptible Chickpea (Cicer Arietinum L.) Genotypes

Lamellar spacing of photosystem II membrane fragments upon dehydration studied by neutron membrane diffraction

Changes in dynamics of 14C incorporation and releaseby Antarctic marine diatoms in the presence of Lindane during subsequent light/dark periods

Long Wave UV-B Radiation and Asahi SL Modify Flavonoid Content and Radical Scavenging Activity of Zea mays var. saccharata Leaves

Temperature effect on growth, and selected parameters of Phaeodactylum tricornutum in batch cultures

The key role of the redox status in regulation of metabolism in photosynthesizing organisms

Impact of warming on Nostoc colonies (Cyanobacteria) in a wet hummock meadow, Spitsbergen

Photosynthetic performance in Antarctic lichens with different growth forms reflect the diversity of lichenized algal adaptation to microhabitats

Waterlogging tolerance: A review on regulative morpho-physiological homeostasis of crop plants

Selenium nanoparticle protected strawberry against salt stress through modifications in salicylic acid, ion homeostasis, antioxidant machinery, and photosynthesis performance

Characteristic of carbon dioxide absorption by cereals in Poland and China

The role of hydrogen peroxide in regulation of plant metabolism and cellular signalling in response to environmental stresses