Mycelial actinobacteria in salt-affected soils of arid territories of Ukraine and Russia

TitleMycelial actinobacteria in salt-affected soils of arid territories of Ukraine and Russia
Publication TypeJournal Article
Year of Publication2015
AuthorsGrishko V.N, Syshchikova O.V, Zenova G.M, Kozhevin P.A, Dubrova M.S, Lubsanova D.A, Chernov I.Y
JournalEurasian Soil Science
Volume48
Pagination72-76
Date PublishedJan
Type of ArticleArticle
ISBN Number1064-2293
Accession NumberWOS:000347528100007
Keywordssalt-affected soils, soil actinomycetes
Abstract

A high population density (up to hundreds of thousands or millions CFU/g soil) of mycelial bacteria (actinomycetes) is determined in salt-affected soils of arid territories of Ukraine, Russia, and Turkmenistan. Of all the studied soils, the lowest amounts of actinomycetes (thousands and tens of thousands CFU/g soil) are isolated from sor (playa) and soda solonchaks developed on the bottoms of drying salt lakes in Buryatia and in the Amu Darya Delta. Actinomycetes of the Streptomyces, Micromonospora, and Nocardiopsis genera were recorded in the studied soils. It is found that conditions of preincubation greatly affect the activity of substrate consumption by the cultures of actinomycetes. This could be attributed to changes in the metabolism of actinomycetes as a mechanism of their adaptation to the increased osmotic pressure of the medium. The alkali tolerance of halotolerant actinomycetes isolated from the salt-affected soils is experimentally proved.

Short TitleEurasian Soil Sci.Eurasian Soil Sci.
Alternate JournalEurasian Soil Sci.
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Cited Reference Count: 21
Grishko, V. N. Syshchikova, O. V. Zenova, G. M. Kozhevin, P. A. Dubrova, M. S. Lubsanova, D. A. Chernov, I. Yu

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Grishko, VN (reprint author), Natl Acad Sci Ukraine, Kryvyi Rih Bot Garden, Ul Marshaka 50, UA-50089 Kryvyi Rih, Ukraine.
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