Moderately haloalkaliphilic actinomycetes in salt-affected soils
It was found that the population density of actinomycetes in solonchaks and saline desert soils varied from hundreds to tens of thousands of colony-forming units (CFUs) per 1 g of soil depending on soil type and was by 1–3 orders of magnitude lower than the number of mycelial bacteria in main soil t...
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| Veröffentlicht in: | Eurasian soil science 2009-12, Vol.42 (13), p.1515-1520 |
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| creator | Zvyagintsev, D. G. Zenova, G. M. Oborotov, G. V. |
| description | It was found that the population density of actinomycetes in solonchaks and saline desert soils varied from hundreds to tens of thousands of colony-forming units (CFUs) per 1 g of soil depending on soil type and was by 1–3 orders of magnitude lower than the number of mycelial bacteria in main soil types. Actinomycetes grow actively in saline soils, and the length of their mycelium reaches 140 m per 1 g of soil. Domination of moderately halophilic, alkaliphilic, and haloalkaliphilic actinomycetes, which grow well under 5% NaCl and pH 8–9, is a specific feature of actinomycetal complexes in saline soils. Representatives of
Streptomyces
and
Micromonospora
genera were found among the haloalkaliphilic actinomycetes. Micromonospores demonstrated lower (than streptomycetes) adaptability to high salt concentrations. Investigation of the phylogenetic position of isolated dominant haloalkaliphilic strains of streptomycetes performed on the basis of sequencing of the gene 16S rRNA enabled identifying these strains as
Streptomyces pluricolorescens
and
S. prunicolor
. |
| doi_str_mv | 10.1134/S1064229309130122 |
| format | Article |
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Streptomyces
and
Micromonospora
genera were found among the haloalkaliphilic actinomycetes. Micromonospores demonstrated lower (than streptomycetes) adaptability to high salt concentrations. Investigation of the phylogenetic position of isolated dominant haloalkaliphilic strains of streptomycetes performed on the basis of sequencing of the gene 16S rRNA enabled identifying these strains as
Streptomyces pluricolorescens
and
S. prunicolor
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Streptomyces
and
Micromonospora
genera were found among the haloalkaliphilic actinomycetes. Micromonospores demonstrated lower (than streptomycetes) adaptability to high salt concentrations. Investigation of the phylogenetic position of isolated dominant haloalkaliphilic strains of streptomycetes performed on the basis of sequencing of the gene 16S rRNA enabled identifying these strains as
Streptomyces pluricolorescens
and
S. prunicolor
.</description><subject>Adaptability</subject><subject>Alkalinity</subject><subject>Desert soils</subject><subject>Deserts</subject><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Geotechnical Engineering & Applied Earth Sciences</subject><subject>Micromonospora</subject><subject>Population density</subject><subject>RNA</subject><subject>Saline soils</subject><subject>Sodium chloride</subject><subject>Soil Biology</subject><subject>Soil microbiology</subject><subject>Soil types</subject><subject>Soils</subject><subject>Soils, Salts in</subject><subject>Streptomyces</subject><subject>Streptomycetes</subject><issn>1064-2293</issn><issn>1556-195X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp1kT1LBDEQhhdR8PMH2C0Wdntm8rGbdIr4BYqFCnZLLpmc0dzmTPaK-_fmOAtRJEXCzPMML5mqOgYyAWD87AlIyylVjChgBCjdqvZAiLYBJV63y7u0m3V_t9rP-Z0QJiWXe9X5Q7SY9IhhVb_pEHX40MEv3nzwptZm9EOcrwyOmGs_1FmHsdHOoRnR1jn6kA-rHadDxqPv-6B6ub56vrxt7h9v7i4v7hvDpBibKUyVadFyJTpHKIKwThsiFLdUTaUDpqYaiSUKO9cy2XXKEm6oRckMgGAH1elm7iLFzyXmsZ_7bDAEPWBc5p4CFVxyWsCTX-B7XKahZOvLX7SUS8IKNNlAMx2w94OLY9KmHItzb-KAzpf6RUcJ7UDyrgiwEUyKOSd0_SL5uU6rHki_3kD_ZwPFoRsnF3aYYfqR5F_pC1HzhwI</recordid><startdate>20091201</startdate><enddate>20091201</enddate><creator>Zvyagintsev, D. 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G.</au><au>Zenova, G. M.</au><au>Oborotov, G. V.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Moderately haloalkaliphilic actinomycetes in salt-affected soils</atitle><jtitle>Eurasian soil science</jtitle><stitle>Eurasian Soil Sc</stitle><date>2009-12-01</date><risdate>2009</risdate><volume>42</volume><issue>13</issue><spage>1515</spage><epage>1520</epage><pages>1515-1520</pages><issn>1064-2293</issn><eissn>1556-195X</eissn><abstract>It was found that the population density of actinomycetes in solonchaks and saline desert soils varied from hundreds to tens of thousands of colony-forming units (CFUs) per 1 g of soil depending on soil type and was by 1–3 orders of magnitude lower than the number of mycelial bacteria in main soil types. Actinomycetes grow actively in saline soils, and the length of their mycelium reaches 140 m per 1 g of soil. Domination of moderately halophilic, alkaliphilic, and haloalkaliphilic actinomycetes, which grow well under 5% NaCl and pH 8–9, is a specific feature of actinomycetal complexes in saline soils. Representatives of
Streptomyces
and
Micromonospora
genera were found among the haloalkaliphilic actinomycetes. Micromonospores demonstrated lower (than streptomycetes) adaptability to high salt concentrations. Investigation of the phylogenetic position of isolated dominant haloalkaliphilic strains of streptomycetes performed on the basis of sequencing of the gene 16S rRNA enabled identifying these strains as
Streptomyces pluricolorescens
and
S. prunicolor
.</abstract><cop>Dordrecht</cop><pub>SP MAIK Nauka/Interperiodica</pub><doi>10.1134/S1064229309130122</doi><tpages>6</tpages></addata></record> |
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| ispartof | Eurasian soil science, 2009-12, Vol.42 (13), p.1515-1520 |
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| subjects | Adaptability Alkalinity Desert soils Deserts Earth and Environmental Science Earth Sciences Geotechnical Engineering & Applied Earth Sciences Micromonospora Population density RNA Saline soils Sodium chloride Soil Biology Soil microbiology Soil types Soils Soils, Salts in Streptomyces Streptomycetes |
| title | Moderately haloalkaliphilic actinomycetes in salt-affected soils |
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