Isolation and characteristics of yeasts able to grow at low concentrations of nutrients
Seven oligotrophic yeasts, which can grow in a 104‐fold dilution of malt–yeast–glucose–peptone medium (10−4 YM), were mainly isolated from soil. These yeasts belong to the Cryptococcaceae. When inoculated at about 102 cells/ml in 10−4 YM, the isolates grew to 1·4×103–2·4×105 cells/ml after 3 days. S...
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| Veröffentlicht in: | Yeast (Chichester, England) England), 1998-02, Vol.14 (3), p.233-238 |
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| container_title | Yeast (Chichester, England) |
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| creator | Kimura, Yoshio Nakano, Yoshinaga Fujita, Kiyoto Miyabe, Shinji Imasaka, Shigeru Ishikawa, Yasuko Sato, Masayuki |
| description | Seven oligotrophic yeasts, which can grow in a 104‐fold dilution of malt–yeast–glucose–peptone medium (10−4 YM), were mainly isolated from soil. These yeasts belong to the Cryptococcaceae. When inoculated at about 102 cells/ml in 10−4 YM, the isolates grew to 1·4×103–2·4×105 cells/ml after 3 days. Some culture collection yeasts fell into three groups according to their growth characteristics in 10−4 YM, one group showing characteristics of the oligotrophic yeasts. The half‐saturation values of uptake by the five isolated oligotrophic yeasts for D‐glucose, L‐leucine and L‐amino acids were 6·0–25·0, 1·7–43·3 and 3·5–21·6 μM, respectively. The oligotrophic yeasts suspended in 10 mM‐phosphate buffer (pH 6·0) had high tolerances for starvation, and remained more than 15% viable after 90 days of starvation. © 1998 John Wiley & Sons, Ltd. |
| doi_str_mv | 10.1002/(SICI)1097-0061(199802)14:3<233::AID-YEA216>3.0.CO;2-1 |
| format | Article |
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These yeasts belong to the Cryptococcaceae. When inoculated at about 102 cells/ml in 10−4 YM, the isolates grew to 1·4×103–2·4×105 cells/ml after 3 days. Some culture collection yeasts fell into three groups according to their growth characteristics in 10−4 YM, one group showing characteristics of the oligotrophic yeasts. The half‐saturation values of uptake by the five isolated oligotrophic yeasts for D‐glucose, L‐leucine and L‐amino acids were 6·0–25·0, 1·7–43·3 and 3·5–21·6 μM, respectively. 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These yeasts belong to the Cryptococcaceae. When inoculated at about 102 cells/ml in 10−4 YM, the isolates grew to 1·4×103–2·4×105 cells/ml after 3 days. Some culture collection yeasts fell into three groups according to their growth characteristics in 10−4 YM, one group showing characteristics of the oligotrophic yeasts. The half‐saturation values of uptake by the five isolated oligotrophic yeasts for D‐glucose, L‐leucine and L‐amino acids were 6·0–25·0, 1·7–43·3 and 3·5–21·6 μM, respectively. The oligotrophic yeasts suspended in 10 mM‐phosphate buffer (pH 6·0) had high tolerances for starvation, and remained more than 15% viable after 90 days of starvation. © 1998 John Wiley & Sons, Ltd.</description><subject>Cryptococcaceae</subject><subject>Culture Media - chemistry</subject><subject>low‐nutrient conditions</subject><subject>Mitosporic Fungi - growth & development</subject><subject>Mitosporic Fungi - isolation & purification</subject><subject>Oligotrophic yeasts</subject><subject>Plants - microbiology</subject><subject>Soil Microbiology</subject><subject>starvation</subject><subject>Water Microbiology</subject><subject>Yeasts - growth & development</subject><subject>Yeasts - isolation & purification</subject><issn>0749-503X</issn><issn>1097-0061</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1998</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkU9v1DAQxa0KVJbCR0DyCbWHLGM78Z-lqrQKBSJV2gMtLSfL6zgQlI2L7VW13x5vs-oFpJ5GevPmzWh-CF0QmBMA-uH0W1M3ZwSUKAA4OSVKSaBnpFywc8rYYrFsPhU_LpeU8As2h3m9-kgLcoRmTyMv0AxEqYoK2N0r9DrG3wCEVFQeo2NVlSUtyxm6baIfTOr9iM3YYvvLBGOTC31MvY3Yd3jnTEwRm_XgcPL4Z_AP2CQ85GL9aN2YwuP8o3ncptBnKb5BLzszRPf2UE_QzefL6_prcbX60tTLq8KWnPFCSCPbSlFV0dZYZfiadRVwYKozjnECVhBTWSnatW0dcCfbThLuqCDKEd6yE_R-yr0P_s_WxaQ3fbRuGMzo_DZqoYRUXLFnjYRTBUzIbPw-GW3wMQbX6fvQb0zYaQJ6j0brPRq9_7Pe_1lPaDQpNdMZjdYZjZ7QZAV0vdK5m4PfHS7YrjeufYo9sMj9u6n_0A9u98_WZ5b-d-dBYX8BMO2qDQ</recordid><startdate>199802</startdate><enddate>199802</enddate><creator>Kimura, Yoshio</creator><creator>Nakano, Yoshinaga</creator><creator>Fujita, Kiyoto</creator><creator>Miyabe, Shinji</creator><creator>Imasaka, Shigeru</creator><creator>Ishikawa, Yasuko</creator><creator>Sato, Masayuki</creator><general>John Wiley & Sons, Ltd</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>M7N</scope><scope>7X8</scope></search><sort><creationdate>199802</creationdate><title>Isolation and characteristics of yeasts able to grow at low concentrations of nutrients</title><author>Kimura, Yoshio ; Nakano, Yoshinaga ; Fujita, Kiyoto ; Miyabe, Shinji ; Imasaka, Shigeru ; Ishikawa, Yasuko ; Sato, Masayuki</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4636-78a8d592952dac9a6b3f506039fae3610c71a5c87dbcde06e8df816e2719e16d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1998</creationdate><topic>Cryptococcaceae</topic><topic>Culture Media - chemistry</topic><topic>low‐nutrient conditions</topic><topic>Mitosporic Fungi - growth & development</topic><topic>Mitosporic Fungi - isolation & purification</topic><topic>Oligotrophic yeasts</topic><topic>Plants - microbiology</topic><topic>Soil Microbiology</topic><topic>starvation</topic><topic>Water Microbiology</topic><topic>Yeasts - growth & development</topic><topic>Yeasts - isolation & purification</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kimura, Yoshio</creatorcontrib><creatorcontrib>Nakano, Yoshinaga</creatorcontrib><creatorcontrib>Fujita, Kiyoto</creatorcontrib><creatorcontrib>Miyabe, Shinji</creatorcontrib><creatorcontrib>Imasaka, Shigeru</creatorcontrib><creatorcontrib>Ishikawa, Yasuko</creatorcontrib><creatorcontrib>Sato, Masayuki</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>MEDLINE - Academic</collection><jtitle>Yeast (Chichester, England)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kimura, Yoshio</au><au>Nakano, Yoshinaga</au><au>Fujita, Kiyoto</au><au>Miyabe, Shinji</au><au>Imasaka, Shigeru</au><au>Ishikawa, Yasuko</au><au>Sato, Masayuki</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Isolation and characteristics of yeasts able to grow at low concentrations of nutrients</atitle><jtitle>Yeast (Chichester, England)</jtitle><addtitle>Yeast</addtitle><date>1998-02</date><risdate>1998</risdate><volume>14</volume><issue>3</issue><spage>233</spage><epage>238</epage><pages>233-238</pages><issn>0749-503X</issn><eissn>1097-0061</eissn><abstract>Seven oligotrophic yeasts, which can grow in a 104‐fold dilution of malt–yeast–glucose–peptone medium (10−4 YM), were mainly isolated from soil. These yeasts belong to the Cryptococcaceae. When inoculated at about 102 cells/ml in 10−4 YM, the isolates grew to 1·4×103–2·4×105 cells/ml after 3 days. Some culture collection yeasts fell into three groups according to their growth characteristics in 10−4 YM, one group showing characteristics of the oligotrophic yeasts. The half‐saturation values of uptake by the five isolated oligotrophic yeasts for D‐glucose, L‐leucine and L‐amino acids were 6·0–25·0, 1·7–43·3 and 3·5–21·6 μM, respectively. The oligotrophic yeasts suspended in 10 mM‐phosphate buffer (pH 6·0) had high tolerances for starvation, and remained more than 15% viable after 90 days of starvation. © 1998 John Wiley & Sons, Ltd.</abstract><cop>Chichester, UK</cop><pub>John Wiley & Sons, Ltd</pub><pmid>9544244</pmid><doi>10.1002/(SICI)1097-0061(199802)14:3<233::AID-YEA216>3.0.CO;2-1</doi><tpages>6</tpages></addata></record> |
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| source | MEDLINE; Wiley Online Library Journals Frontfile Complete; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Wiley Free Content |
| subjects | Cryptococcaceae Culture Media - chemistry low‐nutrient conditions Mitosporic Fungi - growth & development Mitosporic Fungi - isolation & purification Oligotrophic yeasts Plants - microbiology Soil Microbiology starvation Water Microbiology Yeasts - growth & development Yeasts - isolation & purification |
| title | Isolation and characteristics of yeasts able to grow at low concentrations of nutrients |
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