A L Mashinsky

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An important goal with plant experiments in microgravity is to achieve a complete life cycle, the "seed-to-seed experiment." Some Soviet attempts to reach this goal are described, notably an experiment with the tiny mustard, Arabidopsis thaliana, in the Phyton 3 device on Salyut 7. Normal seeds were produced although yields were reduced and development was(More)
Aboard the orbital stations, "Salyut-7" and "Mir", investigations on the peculiarities of moisture transfer in capillary-porous bodies (CPB; that is, soil substitutes) in microgravity were conducted by the authors with a specially designed device and an original method. Water distribution in CPB-perlite (fractions 1.5... 2.5 mm) was studied, and theoretical(More)
The purpose of the experiment was to study general and local effects of space flight factors on the rhythm of cellular activity and on the morphological and genetic properties of biological objects. The Pushchino strain, Actinomyces levoris Kras 17-225A-IBFM, isolated at the Institute of Biological Physics, Moscow, was chosen as the main biological object.(More)
The submicroscopic organization of Chlorella vulgaris cells (strain LARG-1) growing over 30 days on a solid agarized medium aboard the orbital station "Mir" was studied. A number of differences in the ultrastructure of cells of the experimental population compared to the control has been revealed. Thus, changes in the membrane system of plastids, in(More)
Funaria hygrometrica protonema cells grown in the "IFS-2" (Inoculating fixing system) for 96 days on board the Salyut 6-Soyuz 32 orbital scientific station were examined by light and electron-microscopy. Investigation of experimental and control cells of the moss protonema showed common features as well as distinctions in their structure. Protonema cells(More)
Two series of experiments were carried out on the orbital station Salyut 4: one series consisted of two experiments (30 and 62 days respectively) designed to study the effect of space-flight factors on the growth and development of Drosophila melanogaster, strain D-32, and the second series consisted of two experiments (24-33 days) designed to study the(More)
Growth data and electron-microscopic analyses are presented for Proteus vulgaris cultures which were grown during space flight in polyethylene packets in a semisolid medium with Tryptose for 96 h. In the suboptimal culture conditions the growth and morphological characteristics of the flight and ground control variants were nearly identical, but we were(More)
It was shown that under space flight conditions development of male genitals in Muscari racemosum is accelerated compared to that of laboratory and natural field controls. Conditions of space flight produced an inhibitory effect on germination and germinative energy of Anethum graveolens seeds. The first stages of the plant development, right up to the(More)
The effects were studied of a long-term space exposure (72 days) aboard the Salyut orbital station on the following: dry seeds of Crepis capillaris (L.) Wallr. and Arabidopsis thaliana (L.) Heynh, haploid and diploid strains of Saccharomyces cerevisiae mutant for adenine locus (ad) and strain LARG-I of Chlorella vulgaris Beijer. A modifying effect of space(More)
The miniature cenosis consisting of the water fern Azolla with its associated symbiotic nitrogen-fixing cyanobacterium Anabaena and the concomitant bacteria was investigated. Ecological closure was shown to produce sharp quantitative and qualitative changes in the number and type of concomitant bacteria. Changes in the distribution of bacterial types grown(More)