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T S Minina E A Andreevskaia I V Domaradski? 《Zhurnal mikrobiologii, epidemiologii, i immunobiologii》1978,(10):61-66
Use of E. coli strains with phenotypes Rec+ and Rec- asrecipients in intergenera crosses confirmed the supposition put forward by the authors formerly that new chromosomal markers in transconjugantes originated due to Psuedomonas aeruginosa. These chromosomal markers were transferred together with plasmid R conditioning the conjugation, and maintained without being built-into E. coli chromosome. Between the arg+ marker and the plasmid R18 there existed labile physical connection demonstrable only under definite conditions of recombinant selection. 相似文献
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The experimental data of previous papers are considered as a basis for the hypothesis about intraneuronal system controlled by cyclic nucleotides and changing the membrane permeability upon creating the generatory potential. This system is suggested to be an extremal molecular regulator in which the price of action per single operation approximates the physical limit. The electro-mechanical intraneuronal system is capable of solving multidimensional physical problems by means of molecular "digital" hypersound holo-gram coded by DNA molecular text which is an image of functions of target search. 相似文献
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Panagiotis N. Moschou Andrei P. Smertenko Elena A. Minina Kazutake Fukada Eugene I. Savenkov Stephanie Robert Patrick J. Hussey Peter V. Bozhkov 《The Plant cell》2013,25(6):2171-2186
Vesicle trafficking plays an important role in cell division, establishment of cell polarity, and translation of environmental cues to developmental responses. However, the molecular mechanisms regulating vesicle trafficking remain poorly understood. Here, we report that the evolutionarily conserved caspase-related protease separase (EXTRA SPINDLE POLES [ESP]) is required for the establishment of cell polarity and cytokinesis in Arabidopsis
thaliana. At the cellular level, separase colocalizes with microtubules and RabA2a (for RAS GENES FROM RAT BRAINA2a) GTPase-positive structures. Separase facilitates polar targeting of the auxin efflux carrier PIN-FORMED2 (PIN2) to the rootward side of the root cortex cells. Plants with the radially swollen4 (rsw4) allele with compromised separase activity, in addition to mitotic failure, display isotropic cell growth, perturbation of auxin gradient formation, slower gravitropic response in roots, and cytokinetic failure. Measurements of the dynamics of vesicle markers on the cell plate revealed an overall reduction of the delivery rates of KNOLLE and RabA2a GTPase in separase-deficient roots. Furthermore, dissociation of the clathrin light chain, a protein that plays major role in the formation of coated vesicles, was slower in rsw4 than in the control. Our results demonstrate that separase is a key regulator of vesicle trafficking, which is indispensable for cytokinesis and the establishment of cell polarity. 相似文献
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Druzhinin V. G. Minina V. I. Baranova E. D. Golovina T. A. Meyer A. V. Mikhaylova A. O. Timofeeva A. A. Titov V. A. Tolochko T. A. Shubenkina D. P. 《Russian Journal of Genetics》2019,55(10):1242-1249
Russian Journal of Genetics - The results of the study of chromosomal aberrations and micronuclei in blood lymphocytes, as well as micronuclei in buccal epithelium cells of 50 untreated men with... 相似文献
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