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TROPHIC STRATEGIES IN DINOFLAGELLATES: HOW NUTRIENTS PASS THROUGH THE AMPHIESMA
стр.3-11
Kalinina V., Matantseva O., Berdieva M., Skarlato S.
Dinoflagellates, the protists of high ecological relevance, possess a very complex cell covering, the amphiesma. In this article, we review the available information about the structure and role of the amphiesma and discuss how nutrients overpass this barrier, focusing on membrane transport, micropinocytosis and receptor-mediated endocytosis. The hypothesized role of the pusule, a unique membrane organelle with unknown functions, in dinoflagellate nutrition is discussed.
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ANNOTATED LIST OF SPECIES OF THE MICROSPORIDIA DESCRIBED IN THE FORMER SOVIET UNION AND RUSSIA IN 20TH CENTURY (1967-2000)
стр.12-37
Sokolova Yu.Y., Issi I.V., Voronin V.N.
The annotated list contains 118 species of microsporidia (phylum Microsporidia Balbiani 1982) described in Russia and other States of the Former Soviet Union (FSU) during the last decades of the 20th century (1967-2000). These species are distributed among 46 genera, 20 of which were new for science at the time of description. The described microsporidia parasitize about 100 hosts belonging to major groups of freshwater and terrestrial invertebrates and fish. The goal of this publication is to draw the attention of the international community to microsporidia taxa described in Russia and FSU during the era of the “iron curtain”. Many of the taxa comprising the list, are poorly known because the descriptions would be published in Russian, often in hardly available editions. The list reflects the abundance of microsporidia and breadth of their distribution among various hosts and biocenoses. We hope that publication of the list stimulates the interest of young microsporidiologists working on the territory of FSU, to the species described by their predecessors. Validation of these taxa that had been described basing on morphology, by molecular tools is badly warranted and will certainly contribute to creation of a better system of the phylum Microsporidia.
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THE NEW AND RARE SPECIES OF THE TESTATE AMOEBAE (AMOEBOZOA: ARCELLINIDA) FROM MOUNTAIN LAKES OF AZERBAIJAN
стр.38-46
Snegovaya N.Yu., Tahirova E.N.
A new testate amoebae, Awerintzewia minuta sp. n. and two rare species, Difflugia serbica Ogden and Živković, 1983, and Difflugia biconvata Ertl, 1965 were found during a faunistic study of the testate amoebae in two high-mountain lakes in Azerbaijan. The morphology and biometrics of these testate amoebae were described by LM and SEM investigations. The genus Awerintzewia Schouteden, 1906 and two species: Difflugia serbica Ogden and Živković, 1983 and Difflugia biconvata Ertl, 1965 are reported for the fauna of the Caucasus for the first time.
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THE COMPLETE MITOCHONDRIAL GENOME OF CLYDONELLA SAWYERI (AMOEBOZOA, DISCOSEA, VANNELLIDA)
стр.47-54
Bondarenko N., Glotova A., Kamyshatskaya O., Mesentsev Ye., Lotonin K., Masharsky A., Polev D., Nassonova E., Smirnov A.
We describe the complete sequence and organization of the mitochondrial genome from a brackish-water amoeba Clydonella sawyeri (Amoebozoa, Discosea, Vannellida). The circular mitochondrial DNA of this species has 31,131 bp in length and contains 17 protein-coding genes, 2 ribosomal RNAs, 21 transfer RNAs and 13 open reading frames. Length and gene content distinguish mitochondrial genome of Clydonella sawyeri from the mitochondrial genomes of other Amoebozoa species.
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JOHN CLAYTON CLAMP (1949-2018)
стр.55-56
Rosaura M.E., Dovgal I.V.
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