Search results for: Ildikó Varga

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Vascular inflammation and media calcification are already present in early stages of chronic kidney disease

Kerstin Benz, Ildiko Varga, Daniel Neureiter, Valentina Campean, more

Cardiovascular Pathology > 2017 > 27 > C > 57-67

While patients with chronic kidney disease (CKD) have a high prevalence of classical coronary risk factors, there is increasing evidence that atherosclerosis is different in renal compared to nonrenal patients. Therefore, the present study compares changes in different vessels obtained at cardiac surgery between patients with early and advanced CKD and nonrenal control patients.Fifty patients undergoing...

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Bridging the research-practice gap: Conservation research priorities in a Central and Eastern European country

Barbara Mihók, Eszter Kovács, Bálint Balázs, György Pataki, more

Journal for Nature Conservation > 2015 > 28 > Complete > 133-148

Halting biodiversity loss is a critical aim for the forthcoming decades, but is hindered by the gap between research and practice. Bridging this gap is a significant challenge in the countries of Central and Eastern Europe, where, compared to Western European countries, biodiversity is higher but the research budget is lower. Approaches to address bridging this gap include participatory research prioritizing...

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Habitat use and population biology of the Danube Clouded Yellow butterfly Colias myrmidone (Lepidoptera: Pieridae) in Romania

István Szentirmai, Attila Mesterházy, Ildikó Varga, Zoltán Schubert, more

Journal of Insect Conservation > 2014 > 18 > 3 > 417-425

The Danube Clouded Yellow (Colias myrmidone) is one of the most endangered butterflies in Europe. Its distribution range shrank dramatically in the last few decades due to the extinction of populations in Western and Central Europe. Ecological studies were commenced when populations were already at the verge of extinction, thus our knowledge on the population ecology and habitat use of this butterfly...

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Changes in the Distribution of European Mistletoe (Viscum album) in Hungary During the Last Hundred Years

Ildikó Varga, Péter Poczai, Viktor Tiborcz, Nikolett Réka Aranyi, more

Folia Geobotanica > 2014 > 49 > 4 > 559-577

The hemiparasitic European mistletoe (Viscum album) from the family Viscaceae (Santalaceae s.l.) is able to infest more than 380 woody taxa in Europe. At the beginning of the 20^th century, less than 10 % of Hungary was infested. The distribution area was centralized in the Transdanubian Mountains, and no mass occurrence was noticed elsewhere. Since then, the infested area has almost tripled, and heavily...

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Nuclear intron-targeting markers in genetic diversity analysis of black nightshade (Solanum sect. Solanum, Solanaceae) accessions

Péter Poczai, István Cernák, Ildikó Varga, Jaakko Hyvönen

Genetic Resources and Crop Evolution > 2014 > 61 > 1 > 247-266

Different molecular markers are routinely used in studies of potato (Solanum tuberosum) and the genus Solanum in general. Genome sequence databases provide potential to design new markers for various applications. Here we present the application of a recently developed core set of nuclear intron-targeting (indel) markers. These markers are based on the fact that in the plant genome introns are more...

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What types of powdery mildew can infect wheat-barley introgression lines?

Nikolett Réka Aranyi, Ildikó Varga, Péter Poczai, István Cernák, more

European Journal of Plant Pathology > 2014 > 139 > 1 > 19-25

This work is a detailed study of the infection of fungal biotrophic pathogens causing powdery mildew diseases on introgression lines originating from the intergeneric hybridisation between wheat and barley (Triticum aestivum L. × Hordeum vulgare L.). Powdery mildew fungi are among the most widespread biotrophic pathogens of plants also and infect dicot and monocot species. Most powdery mildew species...

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Application of direct PCR in rapid rDNA ITS haplotype determination of the hyperparasitic fungus Sphaeropsis visci (Botryosphaeriaceae)

Ildikó Varga, Péter Poczai, István Cernák, Jaakko Hyvönen

SpringerPlus > 2014 > 3 > 1 > 1-9

Background The plant pathogenic fungus, Sphaeropsis visci a dark-spored species of Botryosphaeriaceae, which causes the leaf spot disease of the European mistletoe (Viscum album). This species seems to have potential as a tool for biological control of the hemiparasite. For the rapid detection of S. visci haplotypes we tested a direct PCR assay without prior DNA purification. This approach was based...

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Leaf-spot disease on European mistletoe (Viscum album) caused by Phaeobotryosphaeria visci: a potential candidate for biological control

Ildikó Varga, János Taller, Tivadar Baltazár, Jaakko Hyvönen, more

Biotechnology Letters > 2012 > 34 > 6 > 1059-1065

Viscum album (European mistletoe), a perennial, evergreen, hemiparasitic shrub, infects a wide range of woody species. It adversely affects the height and diameter of growth and it is associated with increased mortality of its hosts. There is no effective control methods against it. We have found a specific hyperparasitic fungus, which can completely destroy European mistletoe by infecting its branches,...

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Genetic Variability of Thermal Nymphaea (Nymphaeaceae) Populations Based on ISSR Markers: Implications on Relationships, Hybridization, and Conservation

Péter Poczai, Kinga Klára Mátyás, István Szabó, Ildikó Varga, more

Plant Molecular Biology Reporter > 2011 > 29 > 4 > 906-918

The globally widespread genus Nymphaea exhibits a wide range of morphological and taxonomical diversity. The intrusion of a cultivated variety by progressive propagation and its affect on aquatic habitat is demonstrated in this case study. We have studied the genetic diversity, population, and stand structure of the neophyte Nymphaea × ‘Panama Pacific’ as well as other species found in Lake Hévíz...

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Structure and changes of macroinvertebrate community colonizing decomposing rhizome litter of common reed at Lake Fertő/Neusiedler See (Hungary)

Ildikó Varga

Hydrobiologia > 2003 > 506-509 > 1-3 > 413-420

Rhizome litter of Phragmites australis were enclosed in litter bags of 1 mm mesh size and submerged in a die-back reed stand of Lake Fertő/Neusiedler See (Hungary). Species composition, individual number and the ratio of functional feeding groups of the colonizing macroinvertebrate community were recorded between July 1997 and May 2000. Forty-one taxa were present during the study period. Dominant...

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