Biology Bulletin Reviews
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Chemokine CCL2 and Its Receptor CCR2 in Regulation of Cognitive Functions and in Development of Aging Diseases
Biology Bulletin Reviews - Tập 12 - Trang 365-376 - 2022
Data are presented on a special group of cytokine proteins called chemokines, whose major and most important function is to stimulate the migration of leukocytes and other cells, thus they are involved in all protective, as well as destructive immune and inflammatory reactions. Chemokines mediate haptotaxis, chemokinesis, haptokinesis, adhesion, hematopoiesis, and angiogenesis. At the same time, c......
Ecogeographical Potential of the White Spruce (Picea glauca (Moench) Voss, Pinaceae), and the Possibility of Its Introduction into Northern Eurasia
Biology Bulletin Reviews - Tập 8 - Trang 203-211 - 2018
We analyzed the factors limiting the distribution of the white spruce (Picea glauca) in North America and the ecological amplitudes of the species in relation to these factors. Based on these data, an ecogeographical model of spruce dispersal was built. It is shown that the northbound dispersal of White Spruce in North America is limited by heat supply. The species range is shaped at the southwest......
A field study of tundra plant litter decomposition rate via mass loss and carbon dioxide emission: The role of biotic and abiotic controls, biotope, season of year, and spatial-temporal scale
Biology Bulletin Reviews - Tập 5 - Trang 1-16 - 2015
Although many recently published original papers and reviews deal with plant matter decomposition rates and their controls, we are still very limited in our understanding of these processes in boreal and high latitude plant communities, especially in the permafrost areas of our planet. First and foremost, this is holds true for winter periods. Here, we present the results of two years of field obs......
Thông tin về Đa dạng Phân loại của Thực vật Melittophilic tại Công viên Địa chất Toratau (Cộng hòa Bashkortostan) Dịch bởi AI
Biology Bulletin Reviews - Tập 13 - Trang S392-S397 - 2024
Trong thế giới hiện đại, hoạt động của con người có ảnh hưởng đáng kể đến thảm thực vật và cảnh quan, điều này tạo ra các vấn đề trong việc bảo tồn các chức năng tự nhiên của các hệ sinh thái cung cấp điều kiện sống cho con người. Một trong những cách giải quyết vấn đề này là nghiên cứu các loài chính xác định thành phần và cấu trúc của hệ sinh thái, cũng như các loài hiếm, sự đa dạng của chúng rấ......
#Biodiversity #Ecological balance #Melittophilic flora #Toratau Geopark #Republic of Bashkortostan
Stem cells and microenvironment: Integration of biochemical and mechanical factors
Biology Bulletin Reviews - Tập 4 - Trang 263-275 - 2014
The role of the microenvironment in the regulation of the main stem cell functions is considered. Special attention is paid to the effects of mechanical interactions and mechanical properties of the substrate on self-renewal, maintenance of potency, and differentiation in stem cells in vivo and in vitro. Primary cilia, mechanosensitive channels, receptors coupled with G proteins, and the proteins ......
Quantitative Parameters of Lysozyme in Organs and Tissues of Female Pikes Esox lucius (Esocidae) during Gonad Maturation
Biology Bulletin Reviews - Tập 13 - Trang 674-680 - 2023
The effect of the development of female pike Esox lucius gonads on the quantitative parameters of lysozyme, a component of nonspecific resistance, and the size of some organs of the immune system was studied from September to April. It was established that there is a significant decrease in the concentration of lysozyme in the serum and spleen during the period of female maturation and gonad devel......
Biological effects of Wolbachia pipientis: Elucidation of genetic mechanisms
Biology Bulletin Reviews - Tập 5 - Trang 109-118 - 2015
The intracellular alpha-proteobacteria Wolbachia pipientis infects about 40% of arthropod species from all major taxonomic groups; it also infects nematodes. Such a wide range of host species is unusual for highly specialized parasites, which include Wolbachia; it may be associated with the adaptation to the presence of germplasm in cells that exhibit minimal evolutionary variability in animals. H......
Genus Betula L.: Species-Specific Population-Genetic Features and Taxonomy Problems
Biology Bulletin Reviews - Tập 13 - Trang S377-S391 - 2024
The article summarizes and systematizes the results of studies by Russian and foreign authors related to the population-genetic features of the main members (silver birch Betula pendula L., downy birch Betula pubescens Ehrh., curly (or Karelian) birch Betula pendula Roth var. carelica (Mercklin) Hämet-Ahti) of the birch genus (Betula L.) growing in the forest zone of Europe. Information is provide......
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