Characterisation of Four Species of the Genus Kluyveromyces by Mitochondrial DNA Restriction Analysis
In the present work, we determine the relationships at the within-species level among strains of Kluyveromyces dobzhanskii, K. lactis, K. marxianus, and K. thermotolerans, through the restriction analysis of their mtDNAs. The three first species showed a high level of intraspecific mtDNA divergence,...
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| Veröffentlicht in: | Systematic and applied microbiology 1997-08, Vol.20 (3), p.397-408 |
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| creator | Belloch, Carmela Barrio, Eladio Uruburu, Federico Garcia, M. Dolores Querol, Amparo |
| description | In the present work, we determine the relationships at the within-species level among strains of
Kluyveromyces dobzhanskii, K. lactis, K. marxianus, and
K. thermotolerans, through the restriction analysis of their mtDNAs. The three first species showed a high level of intraspecific mtDNA divergence, this polymorphism is correlated to the varieties or species defined according to the original taxonomy of the genus, which is in concordance with that shown by other phenotypic or genotypic markers codified for by the nuclear genome. In these species, the analysis of the relationships among strains based on mtDNA restriction data agrees with previous classifications based on morphological traits and physiological abilities. On the contrary,
K. thermotolerans showed a reduced level of intraspecific divergence compared to the other three, which indicates that this species either is a more recent species, has suffered a reduction of polymorphism due to the action of evolutionary forces, or presents a lower mtDNA substitution rate. |
| doi_str_mv | 10.1016/S0723-2020(97)80008-2 |
| format | Article |
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Kluyveromyces dobzhanskii, K. lactis, K. marxianus, and
K. thermotolerans, through the restriction analysis of their mtDNAs. The three first species showed a high level of intraspecific mtDNA divergence, this polymorphism is correlated to the varieties or species defined according to the original taxonomy of the genus, which is in concordance with that shown by other phenotypic or genotypic markers codified for by the nuclear genome. In these species, the analysis of the relationships among strains based on mtDNA restriction data agrees with previous classifications based on morphological traits and physiological abilities. On the contrary,
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Kluyveromyces dobzhanskii, K. lactis, K. marxianus, and
K. thermotolerans, through the restriction analysis of their mtDNAs. The three first species showed a high level of intraspecific mtDNA divergence, this polymorphism is correlated to the varieties or species defined according to the original taxonomy of the genus, which is in concordance with that shown by other phenotypic or genotypic markers codified for by the nuclear genome. In these species, the analysis of the relationships among strains based on mtDNA restriction data agrees with previous classifications based on morphological traits and physiological abilities. On the contrary,
K. thermotolerans showed a reduced level of intraspecific divergence compared to the other three, which indicates that this species either is a more recent species, has suffered a reduction of polymorphism due to the action of evolutionary forces, or presents a lower mtDNA substitution rate.</description><subject>Biological and medical sciences</subject><subject>chemotaxonomy</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>haplotypes</subject><subject>Kluyveromyces</subject><subject>Kluyveromyces dobzhanskii</subject><subject>Kluyveromyces lactis</subject><subject>Kluyveromyces marxianus</subject><subject>Kluyveromyces marxianus var. lactis</subject><subject>Kluyveromyces thermotolerans</subject><subject>lactis</subject><subject>marxianus and thermotolerans</subject><subject>Microbiology</subject><subject>mitochondrial DNA</subject><subject>mtDNA restriction analysis</subject><subject>Mycology</subject><subject>Pathogenicity, host-agent relations, miscellaneous strains, epidemiology</subject><subject>restriction mapping</subject><subject>species differences</subject><subject>taxonomy</subject><issn>0723-2020</issn><issn>1618-0984</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1997</creationdate><recordtype>article</recordtype><recordid>eNqFkMGO0zAQhi0EEmXhERA5IASHwIwdx8kJVYVdEAtIdDlbjjOmRmnctZOV8va47WqvnEaj-Wbm18fYS4T3CFh_2ILiouTA4W2r3jUA0JT8EVthjU0JbVM9ZqsH5Cl7ltJfAKzaGleMNjsTjZ0o-mQmH8YiuOIyzLHYHsh6Ssd-2lFxReOcim_DvNxRDPvF5lG3FN_9FOwujH30Zig-_VgXvyhN0dvTrfVohiX59Jw9cWZI9OK-XrCby883my_l9c-rr5v1dWlFi1NJwkGlkLCuqUPb9eBspUQHCM4pK4URkte9MIQKHTZCWqglzwPsVWfFBXtzPnuI4XbOOfTeJ0vDYEYKc9KopAIuZQblGbQxpBTJ6UP0exMXjaCPTvXJqT4K063SJ6ea573X9w9MsmZw0YzWp4dlrpqmrpqMvTpjzgRt_mS1-veWAwrgjZJtVWXi45mgbOPOU9Qpyx4t9T6SnXQf_H-i_AMrRZTR</recordid><startdate>19970801</startdate><enddate>19970801</enddate><creator>Belloch, Carmela</creator><creator>Barrio, Eladio</creator><creator>Uruburu, Federico</creator><creator>Garcia, M. 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Psychology</topic><topic>haplotypes</topic><topic>Kluyveromyces</topic><topic>Kluyveromyces dobzhanskii</topic><topic>Kluyveromyces lactis</topic><topic>Kluyveromyces marxianus</topic><topic>Kluyveromyces marxianus var. lactis</topic><topic>Kluyveromyces thermotolerans</topic><topic>lactis</topic><topic>marxianus and thermotolerans</topic><topic>Microbiology</topic><topic>mitochondrial DNA</topic><topic>mtDNA restriction analysis</topic><topic>Mycology</topic><topic>Pathogenicity, host-agent relations, miscellaneous strains, epidemiology</topic><topic>restriction mapping</topic><topic>species differences</topic><topic>taxonomy</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Belloch, Carmela</creatorcontrib><creatorcontrib>Barrio, Eladio</creatorcontrib><creatorcontrib>Uruburu, Federico</creatorcontrib><creatorcontrib>Garcia, M. 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Kluyveromyces dobzhanskii, K. lactis, K. marxianus, and
K. thermotolerans, through the restriction analysis of their mtDNAs. The three first species showed a high level of intraspecific mtDNA divergence, this polymorphism is correlated to the varieties or species defined according to the original taxonomy of the genus, which is in concordance with that shown by other phenotypic or genotypic markers codified for by the nuclear genome. In these species, the analysis of the relationships among strains based on mtDNA restriction data agrees with previous classifications based on morphological traits and physiological abilities. On the contrary,
K. thermotolerans showed a reduced level of intraspecific divergence compared to the other three, which indicates that this species either is a more recent species, has suffered a reduction of polymorphism due to the action of evolutionary forces, or presents a lower mtDNA substitution rate.</abstract><cop>Jena</cop><pub>Elsevier GmbH</pub><doi>10.1016/S0723-2020(97)80008-2</doi><tpages>12</tpages></addata></record> |
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| ispartof | Systematic and applied microbiology, 1997-08, Vol.20 (3), p.397-408 |
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| language | eng |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Biological and medical sciences chemotaxonomy Fundamental and applied biological sciences. Psychology haplotypes Kluyveromyces Kluyveromyces dobzhanskii Kluyveromyces lactis Kluyveromyces marxianus Kluyveromyces marxianus var. lactis Kluyveromyces thermotolerans lactis marxianus and thermotolerans Microbiology mitochondrial DNA mtDNA restriction analysis Mycology Pathogenicity, host-agent relations, miscellaneous strains, epidemiology restriction mapping species differences taxonomy |
| title | Characterisation of Four Species of the Genus Kluyveromyces by Mitochondrial DNA Restriction Analysis |
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