2,008 results match your criteria: "Warsaw University of Life Sciences--SGGW[Affiliation]"

The issue of air pollution from particulate matter (PM) is getting worse as more and more people move into urban areas around the globe. Due to the complexity and diversity of pollution sources, it has long been hard to rely on source control techniques to manage this issue. Due to the fact that urban trees may provide a variety of ecosystem services, there is an urgent need to investigate alternative strategies for dramatically improving air quality.

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The aim of this study is to develop an efficient method for micropropagation of × 'Rubrum'. Agar cultures containing Murashige and Skoog (MS) medium supplemented with 6-benzyl-amino-purine (BAP) in various concentrations (0.5 mg/L to 2 mg/L) and a temporary immersion bioreactor system (TIS) using liquid medium MS with an addition of 1 mg/L BAP were tested.

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Developments in Plant Proteins Production for Meat and Fish Analogues.

Molecules

March 2023

Department of Food Engineering and Process Management, Institute of Food Sciences, Warsaw University of Life Sciences-SGGW, Nowoursynowska 159c, 02-776 Warsaw, Poland.

In recent years, there have been significant developments in plant proteins production for meat and fish analogues. Some of the key developments include the use of new plant protein sources such as soy, legumes, grains, potatoes, and seaweed, as well as insect proteins, leaf proteins, mushrooms, and microbial proteins. Furthermore, to improve the technological and functional properties of plant proteins, they can be subjected to traditional and unconventional treatments such as chemical (glycosylation, deamidation, phosphorylation, and acylation), physical (pulsed electric fields, ultrasound, high hydrostatic pressure, dynamic high-pressure treatment, and cold plasma), and biological (fermentation and enzymatic modification).

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Ten Years of Animal Tuberculosis Monitoring in Free-Living European Bison () in Poland.

Animals (Basel)

March 2023

Department of Food Hygiene and Public Health Protection, Institute of Veterinary Medicine, Warsaw University of Life Sciences (SGGW), Nowoursynowska 159, 02-776 Warsaw, Poland.

In the period 1996-2012, two outbreaks of animal tuberculosis were noted in the population of free-living European bison () in the Bieszczady Mountains, Southern Poland. As the European bison is an endangered species and particularly susceptible to tuberculosis, not to mention a national icon, the decision was made to test all deceased bison for TB in Poland. The screened bison were obtained by elimination due to poor health or natural death.

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The wood warbler, Phylloscopus sibilatrix (Aves: Passeriformes), is a well-known model organism for studying bird migration, breeding habitat selection and nest predation. The nest acarofauna of this bird species has not been extensively studied so far. To provide a comprehensive report on mite species inhabiting wood warbler nests and to assess infestation parameters (prevalence, intensity, and abundance) for mite species and orders, we collected 45 nests of this bird species in the Wielkopolska National Park in western Poland.

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Heptacodium miconioides is an increasingly popular ornamental plant, originally being endemic to China. The late and long flowering determines its ecological and ornamental value in cultivation. The aims of this research were to define and distinguish phenological phases of the development of Heptacodium miconioides in the temperate zone region and identification of anatomical changes within the stem during autumn in relation to phenological phases and climatic conditions.

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Article Synopsis
  • The study focused on understanding the global historical and genetic relationships between Merino sheep and their derived breeds by genotyping 19 populations and analyzing additional data from 23 populations.
  • Several statistical tests confirmed that the genetic diversity in Merino breeds is influenced by their geographic origin and local admixture, particularly highlighting the impact of Australian, Rambouillet, and German strains.
  • The research identified 106 candidate genes under potential selection, including those related to immune response, growth, morphology, and reproductive traits, indicating the genetic adaptations of Merino sheep to different climates.
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  • Perennial ryegrass is impacted by cadmium (Cd) and nickel (Ni) pollution, causing limitations in photosynthesis.
  • A study analyzed photosynthetic efficiency in two ryegrass cultivars, 'Niga' and 'Nira', under heavy metal stress, focusing on chlorophyll fluorescence and reflectance.
  • Results showed decreased activity in both PSII and PSI, suggesting that certain photosynthetic efficiency metrics can help identify early signs of heavy metal stress on plant growth.
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The climate has drastically changed over the past two decades. Rising temperatures and climate change may lead to increased evapotranspiration, specifically soil evaporation, causing water to evaporate and salt to accumulate in the soil, resulting in increased soil salinity. As a result, there is a need to evaluate methods for predicting and monitoring the effects of salinity on crop growth and production through rapid screening.

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Effect of birch tar embedded in polylactide on its biodegradation.

Int J Biol Macromol

June 2023

Department of Environmental Microbiology and Biotechnology, Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University in Toruń, Gagarina 11, 87-100 Torun, Poland.

The plasticized film was made of polylactide and birch tar, which was used in a concentration of 1, 5 and 10 % by weight. Tar was added to the polymer to obtain materials with antimicrobial properties. The main purpose of this work is to characterize and biodegradation of this film after the end of its use.

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The eradication of smallpox was an enormous achievement due to the global vaccination program launched by World Health Organization. The cessation of the vaccination program led to steadily declining herd immunity against smallpox, causing a health emergency of global concern. The smallpox vaccines induced strong, humoral, and cell-mediated immune responses, protecting for decades after immunization, not only against smallpox but also against other zoonotic orthopoxviruses that now represent a significant threat to public health.

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Immortalized cell lines are widely used in vitro tools in oncology and hematology research. While these cell lines represent artificial systems and may accumulate genetic aberrations with each passage, they are still considered valuable models for pilot, preliminary, and screening studies. Despite their limitations, cell lines are cost-effective and provide repeatable and comparable results.

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Comparison of Phenotype and Genotype Virulence and Antimicrobial Factors of Typhimurium Isolated from Human Milk.

Int J Mol Sci

March 2023

Department of Food Hygiene and Public Health Protection, Institute of Veterinary Medicine, Warsaw University of Life Sciences, ul. Nowoursynowska 159, 02-776 Warsaw, Poland.

is a common foodborne infection. Many serovars belonging to subsp. are present in the gut of various animal species.

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Subspecies in Asymptomatic Zoo Herbivores in Poland.

Animals (Basel)

March 2023

Department of Food Hygiene and Public Health Protection, Institute of Veterinary Medicine, Warsaw University of Life Sciences (SGGW), Nowoursynowska 166, 02-787 Warsaw, Poland.

Mycobacterial infections are significant issues in zoo animals, influencing animal welfare, conservation efforts, and the zoonotic potential of pathogens. Although tuberculosis is recognised to be highly dangerous, paratuberculosis can also lead to animal losses and is potentially dangerous for humans. The aim of the current study was to confirm whether spp.

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Comparative physiological and biochemical mechanisms in diploid, triploid, and tetraploid watermelon (Citrullus lanatus L.) grafted by branches.

Sci Rep

March 2023

Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Henan Joint International Research Laboratory of Fruits and Cucurbits Biological Science in South Asia, Zhengzhou, 450009, China.

Seed production for polyploid watermelons is costly, complex, and labor-intensive. Tetraploid and triploid plants produce fewer seeds/fruit, and triploid embryos have a harder seed coat and are generally weaker than diploid seeds. In this study, we propagated tetraploid and triploid watermelons by grafting cuttings onto gourd rootstock (C.

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Background: The coronary vessels have been described in various species of domestic and wild ruminants. However, no studies on the detailed morphology and morphometry of heart orifices and coronary ostia in the Polish goat are available.

Materials And Methods: The study was carried out on 112 female, adult dairy goats belonging to Polish Fawn Improved and Polish White Improved breed, closely related to French Alpine and Saanen, respectively.

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Two significant soil degradation processes that pose a hazard to our ecosystems are soil salinization and sodification. The information on potential of salicylic acid (SA) and trehalose (Tre) to induce abiotic stress signaling and triggers physio-biochemical responses in crop plants is limited. Therefore, the present study was aimed to investigate the efficacy of 5 μM SA and/or 10 mM Tre in improving the growth, photosynthesis, ion homeostasis, nutrient acquisition, antioxidant defense system and yield of mustard plants growing under sodium chloride (NaCl) stress (0, 50, 100 and 150 mM NaCl).

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A review of tuberculosis and parasitic disease co-infection in ungulates, with regard to the potential threat to European bison ().

Pol J Vet Sci

March 2023

Department of Food Hygiene and Public Health Protection, Institute of Veterinary Medicine, Warsaw University of Life Sciences (SGGW), Nowoursynowska 159, 02-776 Warsaw, Poland.

Bovine tuberculosis (BTB) is a dangerous zoonosis which presents a serious problem for endangered species such as European bison ( Bison bonasus). Little is known about the influence of parasitic co-infections on the course and diagnosis of tuberculosis in animals. The best known co-infection in cattle is Fasciola hepatica and Mycobacterium bovis.

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Occurrence of Dirofilaria repens in wild carnivores in Poland.

Parasitol Res

May 2023

Department of Eco-epidemiology of Parasitic Diseases, Institute of Developmental Biology and Biomedical Sciences, Faculty of Biology, University of Warsaw, Miecznikowa 1, 02-096, Warsaw, Poland.

Article Synopsis
  • Dirofilaria repens is a zoonotic parasite affecting canines and other carnivores, with dogs serving as a primary reservoir and source of infection for mosquitoes.
  • A study analyzed 511 samples from seven wild carnivore species in Poland to detect the presence of this parasite, revealing a total prevalence of 3.13% and positive cases in several regions, particularly Masovia, which had the highest prevalence.
  • This research marks the first comprehensive examination of D. repens in wild hosts in Poland, identifying the first case in Eurasian badgers in the country and the second case in Europe.
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The Balkan Peninsula region has a very diverse agricultural and livestock tradition, and almost every country has its own local breed of sheep. Different breeds of sheep and different breeding traditions, despite the small geographical distance, determine the morphological and morphometric variability among animal breeds. In this study, this morphological diversity among the skulls of sheep breeds of some countries in the Balkan region was examined by the geometric morphometric method.

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Objectives: To describe multiligament stifle injury in dogs and report complications and long-term outcomes.

Methods: Medical records of dogs surgically treated for multiligament stifle injury were reviewed from six veterinary hospitals. Long-term follow-up was collected from referring veterinarians.

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Reprocessing of side-streams towards obtaining valuable bacterial metabolites.

Appl Microbiol Biotechnol

April 2023

Department of Food Biotechnology and Microbiology, Institute of Food Sciences, Warsaw University of Life Sciences - SGGW, Nowoursynowska 159C, 02-776, Warsaw, Poland.

Every year, all over the world, the industry generates huge amounts of residues. Side-streams are most often used as feed, landfilled, incinerated, or discharged into sewage. These disposal methods are far from perfect.

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European bison is a species for which health monitoring is essential in conservation activities. So far, little research has been carried out on the concentration of elements in this species. Most previous studies did not associate the concentration of elements with susceptibility to diseases.

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What Makes the Life of Stressed Plants a Little Easier? Defense Mechanisms against Adverse Conditions.

Plants (Basel)

February 2023

Department of Biochemistry and Microbiology, Institute of Biology, Warsaw University of Life Sciences-SGGW, Nowoursynowska 159, 02-776 Warsaw, Poland.

Plants experience a wide array of external factors, some of which negatively affect their metabolism, growth, and development [...

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High-pressure homogenization (HPH) is considered an innovative and modern method of processing and preserving liquid and semi-liquid foods. The aim of this research was to examine the impact of HPH processing on the content of betalain pigments and physicochemical properties of beetroot juice. Combinations of the following HPH parameters were tested: the pressure used (50, 100, 140 MPa), the number of cycles (1 and 3) and the applied cooling or no cooling.

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