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L M Iarovaia E A Shmeleva V S Samsonova E V Kulikovskaia 《Zhurnal mikrobiologii, epidemiologii, i immunobiologii》1985,(8):26-30
The chemical characteristics of 6 batches of the preparation, obtained from the cell wall of C. diphtheriae grown in liquid and solid culture media, with respect to their content of nitrogen, hexoses, pentoses, total amino sugars, lipids and to the possible admixture of nucleic acids are presented. From the results of the chemical analysis of these batches their standardization according to the ratio of total amino sugars and pentoses to total nitrogen in C. diphtheriae cell-wall preparation is proposed. 相似文献
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EA Dukhanina TI Lukyanova EA Romanova V Guerriero NV Gnuchev GP Georgiev DV Yashin LP Sashchenko 《Cell cycle (Georgetown, Tex.)》2015,14(22):3635-3643
PGRP-S (Tag7) is an innate immunity protein involved in the antimicrobial defense systems, both in insects and in mammals. We have previously shown that Tag7 specifically interacts with several proteins, including Hsp70 and the calcium binding protein S100A4 (Mts1), providing a number of novel cellular functions. Here we show that Tag7–Mts1 complex causes chemotactic migration of lymphocytes, with NK cells being a preferred target. Cells of either innate immunity (neutrophils and monocytes) or acquired immunity (CD4+ and CD8+ lymphocytes) can produce this complex, which confirms the close connection between components of the 2 branches of immune response. 相似文献
4.
B. N. Ivanov V. L. Shmeleva V. I. Ovchinnikova 《Journal of bioenergetics and biomembranes》1985,17(4):239-249
The number of protons released inside the chloroplast thylakoids per electron which is transferred through the electron transport chain (H+/e– ratio) was measured in isolated pea chloroplasts at pH 6.0 under continuous illumination and with methyl viologen as an electron acceptor. At saturating light intensity (200 W · m–2) (strong light) the H+/e– ratio was 3. At low intensity (0.9 W · m–2) (weak light) the H+/e– ratio was 2 with dark-adapted chloroplasts, but it was close to 3 with chloroplasts that were preilluminated with strong light. It is shown that the presence of azide in the reaction mixture leads to errors in the determination of the H+/e– ratio due to underestimation of the initial rate of H+ efflux on switching off the light. To explain the above data, we assume that transformation of the electron transport chain occurs during illumination with strong light, namely, the Q cycle becomes operative. 相似文献
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Zhukhovitskiĭ VG Shobukhova TS Spirina GV Shmeleva LP Kirillov MIu Sharaia VS Bezrukov VM Parashina VA 《Zhurnal mikrobiologii, epidemiologii, i immunobiologii》2004,(6):69-72
The diagnostic value of preparations is commonly characterized by sensitivity and specificity. But not all these characteristics make it possible to decide unequivocally which of the preparations to be compared is superior to the other one with respect to its diagnostic value. It is proposed that in the choice of a diagnostic preparation its capacity to provide data for exact diagnosis should be considered, i.e. the additional characteristic indicating the spread of the disease under study. As an example, the comparison of the diagnostic value of conventional methods and the polymerase chain reaction in the diagnostics of helicobacteriosis is presented. The described method for the evaluation of the diagnostic value of the preparation is well-grounded, simple and obvious. 相似文献
7.
Anokhin VA Zinkevich OD Fatkullina GR Safina NA Platonova OA Shmeleva EA Bondarenko VM 《Zhurnal mikrobiologii, epidemiologii, i immunobiologii》2002,(6):47-52
The enzyme immunoassay system (EIA) for differentiation of antibodies in therapeutic heterogeneous antitoxic serum and antibodies to Corynebacterium diphtheriae toxigenic strains in patients and carriers was developed. The use of EIA permitted the dynamic evaluation of the characteristics of humoral antitoxic and antibacterial immune response in 50 patients with the localized and disseminated forms of stomatopharyngeal diphtheria and 14 "healthy" carriers of toxigenic C. diphtheriae. As revealed in this study, the symptoms of the disease in patients with disseminated forms of stomatopharyngeal diphtheria developed in the presence of statistically significant low quantitative values of antitoxic and antibacterial antibodies to C. diphtheriae antigens. In the group of patients with the localized forms of the disease the initially low level of antitoxic antibodies was detected with the concentration of antibacterial antibodies remaining unchanged. During the period of convalescence the levels of antitoxic antibodies in both groups reached those of healthy persons. In case of localized forms of the disease the level of antibacterial antibodies decreased as compared with healthy persons, starting from the second week of the disease. The period of convalescence in the disseminated forms was characterized by the low concentration of antibacterial antibodies. Carrier state was formed in the presence of high levels of antitoxic antibodies and significantly low levels of antibacterial ones. 相似文献
8.
Background
Elucidation of the communal behavior of microbes in mixed species biofilms may have a major impact on understanding infectious diseases and for the therapeutics. Although, the structure and the properties of monospecies biofilms and their role in disease have been extensively studied during the last decade, the interactions within mixed biofilms consisting of bacteria and fungi such as Candida spp. have not been illustrated in depth. Hence, the aim of this study was to evaluate the interspecies interactions of Pseudomonas aeruginosa and six different species of Candida comprising C. albicans, C. glabrata, C. krusei, C. tropicalis, C. parapsilosis, and C. dubliniensis in dual species biofilm development. 相似文献9.
Angel R Barchuk Alexandre S Cristino Robert Kucharski Luciano F Costa Zilá LP Simões Ryszard Maleszka 《BMC developmental biology》2007,7(1):70
Background
In honeybees, differential feeding of female larvae promotes the occurrence of two different phenotypes, a queen and a worker, from identical genotypes, through incremental alterations, which affect general growth, and character state alterations that result in the presence or absence of specific structures. Although previous studies revealed a link between incremental alterations and differential expression of physiometabolic genes, the molecular changes accompanying character state alterations remain unknown. 相似文献10.
Antoinette?C?van der KuylEmail author Donato?LP?Ballasina Fokla?Zorgdrager 《BMC evolutionary biology》2005,5(1):29