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Ilze Borbale (Laboratory of Industrial Microbiology and Food Biotechnology, Institute of Biology, University of Latvia, )
Biomaterials and biopolymers, such as bacterial cellulose (BC), are gaining increased importance as perspective eco-friendly materials with wide range of potential applications. BC is an exopolysaccharide produced mainly by certain acetic acid bacteria strains. BC exhibits unique physical and mechanical properties and has many potential applications starting from biomedicine to food industry....
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Kristaps Neiberts (Laboratory of Industrial Microbiology and Food Biotechnology, Institute of Biology, University of Latvia)
Bacterial cellulose (BC) is a biopolymer with a potentially high added value, produced by certain acetic acid bacteria (AAB) strains. Due to its great biodegradability and mechanical properties, BC has a wide range of potential applications in such fields as food industry, biomedicine, packaging, electronics et al. Up to date industrial-scale BC production still is mostly unsuccessful. In...
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Mrs Ilva Trapiņa (Genomics and Bioinformatics Lab., Institute of Biology of the University of Latvia)
This cooperation project (lzp-2021/1-0489) is interdisciplinary research related to economic activity in agriculture and biotechnology, implemented by the University of Latvia in collaboration with the Latvian University of Life Sciences and Technologies. The purpose of this study is to determine genetic and molecular markers to identify individual animals in sheep herds with the maximum...
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Ieva Grudzinska-Elsberga (University of Latvia, Institute of Biology)
Changing land use, climate change, urbanization and population pressures on rivers is an important socio-ecological process that requires managements and biomonitoring. The Venta River at Kuldiga hosts the Ventas Rumba, the widest waterfall in Europe, a popular recreational site for tourists and local residents. The catchment includes residential areas with allotments, industrial areas and...
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Ieva Ignatavičienė
Development of new technologies distributing electric power from power stations to our homes through a network of cables and wires, including numerous electric devices at working places and home environment become a source of electromagnetic radiation (EMR) much stronger than EMR of natural origin. To provide a better understanding of the impact of the EMR of anthropogenic origin on living...
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Valērija Križanovska (Latvian Institute of Organic Synthesis, Riga, Latvia)
Background. Daphne mezereum is a perennial, deciduous shrub that belongs to the Thymelaeaceae family. Based on Latvian ethnobotanical knowledge as well as current practices, D. mezereum has been used for digestive and skin problems, especially for toothache and tooth extraction. The content of biologically active components in plants is significantly affected by growing conditions,...
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Adomas Ragauskas
Modern investigations into genetic diversity of common carp, Cyprinus carpio L. strains maintained in Lithuania started only recently. In total 43 fin clips from alive old carp reproductors representing 5 different strains, as well as 4 hybrid lines, kept in Šilavotas carp farm were collected in 2020. Initially, genetic diversity was evaluated based on sequencing of mtDNA D-loop of selected...
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Kārlis Krecers (Laboratory of Industrial Microbiology and Food Biotechnology, Institute of Biology, University of Latvia, Ojara Vaciesa street 4, Riga, LV-1004, Latvia)
Cultivating of microalgae has led to increasing commercial interest in their use for producing valuable substances for food, feed, cosmetics, pharmaceuticals, and biodiesel et al., as well as for mitigation of environmental pollution and CO2 emissions. Some technical barriers exist on the commercialization of microalgal biomass and products thereof. These are mostly related to the cultivation...
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Edīte Juceviča
Nowadays, vegetable growing in greenhouses during the cold and dark winter seasons is an integral part of agriculture. To ensure better plant growth and production various artificial light sources are used. Lately, beside the other light sources light emitting diodes are introduced in greenhouse systems, as they are safer, easier to control digitally and are cooler than high-pressure sodium...
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Laura Āboliņa (University of Latvia, Institute of Biology, Laboratory of Plant Mineral Nutrition)
The growing of cloudberry in Latvia and globally is still done in rather small areas and harvests are mainly produced in wild stands, thus making cloudberry cultivation a promising research field. Berry plantations in extracted peat bogs are known to protect the upper peat layer from wind erosion and water loss, and to reduce GHG emissions. Production of high-quality berry yields contribute to...
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Ms Ance Priedniece
The research paper analyses breeding time changes of the Pied Flycatcher since 1950s. Data about breeding of the Pied Flycatcher in nest box plots near Garkalne were collected from 2019 to 2021 and compared to the data from 1950s (the same region).
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The aim of the scientific paper – to find out, what changes can be seen in breeding time of the Pied Flycatcher.
The results – during the time... -
Sergejs Kolesovs (Laboratory of Industrial Microbiology and Food Biotechnology, Institute of Biology, University of Latvia)
Currently maintaining agricultural sustainability is a major problem due to growing global population, climate change and rapid increase of food demand. General problems in agriculture are loss of harvest, plant diseases, abiotic stress which may result in loss of 20 – 40 % of the crop. Use of conventional methods, for instance - pesticides results in decreased sustainability, also many...
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Dr Alina Marandykina-Prakienė (Nature Research Centre, Akademijos 2, LT-08412 Vilnius, Lithuania)
Representatives of the genus Sarcocystis (Apicomplexa: Sarcocystidae) are parasitic protozoa broadly distributed in mammals, birds, and reptiles. They are distinguished by a two-host life cycle based on the prey-predator relationships. Sarcocysts are mainly formed in muscles or CNS of the intermediate host, and sporocysts develop in small intestine of definitive host. The intense Sarcocystis...
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Paulina Amšiejūtė
Paenibacillus larvae is a Gram-positive bacterium which is known as the causative agent of the American foulbrood (AFB), a highly contagious and fatal, widespread disease of honeybees. There are known four main bacteria genotypes classified as ERIC I - ERIC IV and recently detected ERIC V genotype. ERIC (enterobacterial repetitive intergenic consensus) genotypes differ in their virulence and...
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Gunta Čekstere (Institute of Biology, University of Latvia)
Establishment of native and alien deciduous broadleaved species (Acer platanoides, Tilia cordata, Quercus robur and Ulmus laevis, Acer pseudoplatanus and Tilia platyphyllos) has been stated in extensively managed mature and over-mature conifer - Pinus sylvestris and Picea abies - stands in Latvia during the last decades. The process which involves establishment of deciduous broad-leaved...
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Kārlis Žagata (University of Latvia Institute of Biology)
Common duckweed (Lemna minor L.) is widely used for phytoremediation and environment monitoring of wastewater in vivo as well plants could be efficiently grown in Petri dishes and quickly multiplied in laboratory conditions. In this work we used in vivo collected L. minor clones, being inhabited with bacteria and algae naturally co-existing in tissues of fronds and roots, to establish...
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Liene Aunina (Institute of Biology of University of Latvia)
Rhynchospora fusca is found in central Europe, the southern part of Scandinavia, the Baltic States, and the northeastern part of America. It is a suboceanic boreo-temperate species. Not surprisingly, in Latvia, the species is restricted to the Coastal Lowland, more precisely to the north-western part of it. Four sites are known and there are no historical records from other sites.
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The study... -
Tautvilė Šukytė
Preliminary results of Sarcocystis spp. infection in birds of prey in Lithuania
Tautvilė Šukytė, Evelina Juozaitytė-Ngugu, Dalius Butkauskas, Petras Prakas.
Nature Research Centre, Akademijos 2, LT-08412 Vilnius, Lithuania
corresponding author email: tautvile.sukyte@gmail.comSarcocystis spp. are cyst-forming protozoa parasites. They maintain prey-predator two-host life cycle....
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Andra Mikelsone
Cloudberry (Rubus chamaemorus L.) is a species of the boreal zone with a distribution areal in the northern hemisphere and the Latvian cloudberry localities are close to the southern distribution area of the species in Europe. It is an economically important plant that is already cultivated in the Fennoscandia. Fresh cloudberry fruits and compounds derived from fruits and leaves contain...
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Prof. Dmitry Babarikyn (Institute of Innovative Biomedical Technology Ltd)
In the case of type II diabetes, the most important preventive and therapeutic effect gives a diet with a minimal amount of easily digestible carbohydrates. Vegetable juices positioned as healthy food products, because of high content of phenolic and other biologically active compounds. However, due to the high glycemic index, juices contraindicated in diabetes, while juices with a reduced...
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Dr Svetlana Vasiljeva (University of Latvia, Institute of Biology)
The harmful effect of the most dangerous environmental heavy metal cadmium (Cd) is accompanied by an antioxidant-prooxidant imbalance in animal organ and tissues. Cd catalyses the formation of reactive oxygen species such as superoxide anions, hydroxyl radicals, and hydrogen peroxide in cell membranes following the oxidative stress and the risk of developing metabolic disorders and diseases....
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