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......
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......
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......
A study of the distribution ranges of small mammals in southeastern Transbaikalia using ecological niche-based modeling methods
Biology Bulletin Reviews - - 2015
Unexpected effects of tumor-suppressing genes on fruit fly development
Biology Bulletin Reviews - Tập 4 - Trang 1-14 - 2014
Numerous commonly known suppressor genes not only prevent unrestricted cell division or neoplasia but also produce various effects on animal development, vital functions, and fitness. The pleiotropic effects of these genes are related to their primary role in controlling key cell processes. In cooperation with other proteins, products of suppressor genes form cell junctions and polarity; take part......
Adaptive Strategies and Genetic Stability of Species from the Spiraea Genus (Rosaceae) in Natural Population Systems
Biology Bulletin Reviews - - 2022
The Renewing Species. A Common Population-Genetic Explanation of Species Phenomena for Sexual and Asexual Organisms
Biology Bulletin Reviews - Tập 9 - Trang 385-392 - 2019
I suggest a common population genetic mechanism that explains persistence of biological species as consistently reproducing groups of similar organisms: genetic renewal due to genetic drift or selection, which restricts genetic diversity of populations. In contrast to concepts explaining species integrity via interbreeding, the concept of drift- and selection-induced genetic renewal explains speci......
Nucleotide substitutions in rDNA of evolutionarily static angiosperm groups
Biology Bulletin Reviews - Tập 1 - Trang 110-124 - 2011
In this study we examine nucleotide substitutions in rDNA ITS1 of a number of evolutionarily static angiosperm taxa. It has been demonstrated that, in the majority of cases, cytosine-to-thymine substitutions in CpG dinucleotides prevail. The rate of cytosine-to-thymine substitutions in other neighboring positions is on the average twice as small. The rate of all other substitution types is 4–10 ti......
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