Search Results - "Barták, M."

Establishing a community‐wide DNA barcode library as a new tool for arctic research by Wirta, H., Várkonyi, G., Rasmussen, C., Kaartinen, R., Schmidt, N. M., Hebert, P. D. N., Barták, M., Blagoev, G., Disney, H., Ertl, S., Gjelstrup, P., Gwiazdowicz, D. J., Huldén, L., Ilmonen, J., Jakovlev, J., Jaschhof, M., Kahanpää, J., Kankaanpää, T., Krogh, P. H., Labbee, R., Lettner, C., Michelsen, V., Nielsen, S. A., Nielsen, T. R., Paasivirta, L., Pedersen, S., Pohjoismäki, J., Salmela, J., Vilkamaa, P., Väre, H., von Tschirnhaus, M., Roslin, T.

“…DNA sequences offer powerful tools for describing the members and interactions of natural communities. In this study, we establish the to‐date most…”
Get full text

Chyromyidae (Diptera, Acalyptrata) of Turkey by Ebejer, M J, Barták, M

“…The Chyromyidae of Turkey are reviewed and all 15 species known from the country are listed. The following are new records: Andersson, 1976, (Collin, 1933),…”
Get full text

Resistance of Antarctic moss Sanionia uncinata to photoinhibition: chlorophyll fluorescence analysis of samples from the western and eastern coasts of the Antarctic Peninsula by Orekhova, A., Barták, M., Casanova‐Katny, A., Hájek, J., Sparks, J.

“…Interspecific differences in sensitivity of the Antarctic moss Sanionia uncinata from King George Island (KGI) and James Ross Island (JRI) to photoinhibitory…”
Get full text

SEM studies and discovery of an intriguing new Rhamphomyia (Pararhamphomyia) (Diptera, Empididae, Empidinae) species from the Kashmir Himalayas by Akbar, S. A., Kanturski, M., Barták, M., Wachkoo, A. A., Maqbool, A.

“…Here we present an intriguing new species of the Empididae genus Rhamphomyia (Pararhamphomyia) from the Kashmir Himalayas. The new species, Rhamphomyia…”
Get full text

Responses of thallus anatomy and chlorophyll fluorescence-based photosynthetic characteristics of two Antarctic species of genus Usnea to low temperature by HÁJEK, J., HOJDOVÁ, A., TRNKOVÁ, K., VÁCZI, P., BEDNAŘÍKOVÁ, M., BARTÁK, M.

“…Biometrical parameters of two fruticose lichens from Antarctica (Usnea aurantiaco-atra, U. sphacelata) were studied using thallus cross-sections at basal,…”
Get full text

Effect of UV-B radiation on the content of UV-B absorbing compounds and photosynthetic parameters in Parmotrema austrosinense from two contrasting habitats by Barták, M, Pláteníková, E, Carreras, H, Hájek, J, Morkusová, J, Mateos, A C, Marečková, M

“…We studied the resistance of Parmotrema austrosinense to UV-B stress. We focused on the effects of a high dose UV-B radiation on the content of chlorophylls,…”
Get full text

Effect of dehydration on spectral reflectance and photosynthetic efficiency in Umbilicaria arctica and U. hyperborea by Barták, M, Trnková, K, Hansen, E. S, Hazdrová, J, Skácelová, K, Hájek, J, Forbelská, M

“…In many polar and alpine ecosystems, lichens of genus Umbilicaria represent dominant species forming community structure. Photosynthetic and spectral…”
Get full text

Changes in photosynthesis, pigment composition and glutathione contents in two Antarctic lichens during a light stress and recovery by Balarinová, K, Barták, M, Hazdrová, J, Hájek, J, Jílková, J

“…Over last decades, several studies have been focused on short-term high light stress in lichens under laboratory conditions. Such studies reported a strong…”
Get full text

New faunistic data on Dolichopodidae (Diptera) from Turkey by Naglis, S., Tonguç, A., Barták, M.

“…Faunistic data is given for 83 species of Dolichopodidae from Turkey. The following genera are recorded for the first time in Turkey: Achalcus Loew, 1857,…”
Get full text

Interspecific differences in cryoresistance of lichen symbiotic algae of genus Trebouxia assessed by cell viability and chlorophyll fluorescence by HAJEK, J, VACZI, P, BARTAK, M, JAHNOVA, L

“…Unicellular algae of genus Trebouxia are the most frequent symbiotic photobionts found in lichen species adapted to extreme environments. When lichenised, they…”
Get full text

Technique of the Modulated Chlorophyll Fluorescence: Basic Concepts, Useful Parameters, and Some Applications by Roháček, K, Barták, M

“…The review summarizes basic information about slow and fast chlorophyll (Chl) a fluorescence induction kinetics (FIK) recorded using fluorimeters working on a…”
Get full text

Photosynthetic electron transport at low temperatures in the green algal foliose lichens Lasallia pustulata and Umbilicaria hirsuta affected by manipulated levels of ribitol by Hajek, J, Vaczi, P, Bartak, M

“…In lichens, ribitol is known as a carbon storage compound, an osmotic agens involved effectively in cell compartments protection during dehydration of lichen…”
Get full text

Inhibition of photosynthetic processes in foliose lichens induced by temperature and osmotic stress by Hajek, J, Bartak, M, Dubova, J

“…Negative effects of osmotically-induced dehydration of two foliose lichen species, Lasallia pustulata and Umbilicaria hirsuta, was studied at physiological (22…”
Get full text

Cryoproective role of ribitol in Xanthoparmelia somloensis by Hájek, J, Váczi, P, Barták, M, Smejkal, L, Lipavská, H

“…Thalli of Xanthoparmelia somloensis with natural content of polyols (control) and polyol-free thalli (acetone-rinsed) were used to study ribitol effects at low…”
Get full text

High-Light Stress and Photoprotection in Umbilicaria antarctica Monitored by Chlorophyll Fluorescence Imaging and Changes in Zeaxanthin and Glutathione by Barták, M., Hájek, J., Vráblíková, H., Dubová, J.

“…: The effect of high light on spatial distribution of chlorophyll (Chl) fluorescence parameters over a lichen thallus (Umbilicaria antarctica) was investigated…”
Get full text

Photosynthesis of lichen symbiotic alga Trebouxia erici as affected by irradiance and osmotic stress by Vaczi, P, Bartak, M

“…The relation between oxygen evolution rate (OER) and quantum yield of photochemical reactions in photosystem 2 (ΦPS2) was examined in lichen symbiotic alga…”
Get full text

A comparison of ground beetle assemblages (Coleoptera: Carabidae) in conventionally and ecologically managed alfalfa fields by Kolařík, P., Rotrekl, J., Barták, M., Krupauerová, A., Frydrych, J.

“…From 2007-2011, the occurrence of ground beetles (Coleoptera: Carabidae) was studied using emergence traps in two differently managed alfalfa fields in the…”
Get full text

Duration of irradiation rather than quantity and frequency of high irradiance inhibits photosynthetic processes in the lichen Lasallia pustulata by Bartak, M, Vrablikova-Cempirkova, H, Stepigova, J, Hajek, J, Vaczi, P, Vecerova, K

“…Lichen thalli were exposed to 4 regimes differing in irradiance and duration of irradiation. Photosynthetic efficiency of thalli was monitored by chlorophyll…”
Get full text

Heterogeneity of Chlorophyll Fluorescence over Thalli of Several Foliose Macrolichens Exposed to Adverse Environmental Factors: Interspecific Differences as Related to Thallus Hydration and High Irradiance by Barták, M, Hájek, J, Gloser, J

“…Spatial heterogeneity of chlorophyll (Chl) fluorescence over thalli of three foliose lichen species was studied using Chl fluorescence imaging (CFI) and slow…”
Get full text

Glutathione and zeaxanthin formation during high light stress in foliose lichens by Stepigova, J.,Masarykova Univ., Brno (Czech Republic). Ustav Experimentalni Biologie, Vrablikova, H.,Masarykova Univ., Brno (Czech Republic). Ustav Experimentalni Biologie, Lang, J.,Masarykova Univ., Brno (Czech Republic). Ustav Experimentalni Biologie, Vecerova, K.,Masarykova Univ., Brno (Czech Republic). Ustav Experimentalni Biologie, Bartak, M.,Masarykova Univ., Brno (Czech Republic). Ustav Experimentalni Biologie

“…Glutathione and xanthophyll cycle pigments, especially zeaxanthin, are important antioxidants protecting plants against various stresses. In our laboratory,…”
Get full text