Evolution under unpredictable environmental conditions: quantitative genetics of larval life-history traits in a myobatrachid frog Crinia georgiana
The southwestern Australian frog Crinia georgiana (Anura; Myobatrachidae) inhabits ephemeral pools in which the tadpoles often face desiccation. Under these conditions selection on tadpoles can be severe and can directly affect fitness during the aquatic as well as the terrestrial developmental stag...
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| Veröffentlicht in: | Animal cells and systems 2012, 16(5), , pp.425-430 |
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| creator | Smith, Michael J., University of Western Australia, Perth, Western Australia, Australia Jang, Y.K., Ewha Womans University, Seoul, Republic of Korea |
| description | The southwestern Australian frog Crinia georgiana (Anura; Myobatrachidae) inhabits ephemeral pools in which the tadpoles often face desiccation. Under these conditions selection on tadpoles can be severe and can directly affect fitness during the aquatic as well as the terrestrial developmental stages. A quantitative genetic study using a half-sib breeding design was conducted to understand the genetic effects on larval life-history traits. We found no significant additive genetic variance in any of larval traits. Except for hatching period, heritability estimates based on females were high in egg size, larval period, snout-vent length, and weight at metamorphosis, suggesting non-additive genetic effects. These results indicate that any response to selection during hatching and larval periods should be predominately governed by non-additive genetic effects in C. georgiana. |
| doi_str_mv | 10.1080/19768354.2012.715594 |
| format | Article |
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Under these conditions selection on tadpoles can be severe and can directly affect fitness during the aquatic as well as the terrestrial developmental stages. A quantitative genetic study using a half-sib breeding design was conducted to understand the genetic effects on larval life-history traits. We found no significant additive genetic variance in any of larval traits. Except for hatching period, heritability estimates based on females were high in egg size, larval period, snout-vent length, and weight at metamorphosis, suggesting non-additive genetic effects. 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Under these conditions selection on tadpoles can be severe and can directly affect fitness during the aquatic as well as the terrestrial developmental stages. A quantitative genetic study using a half-sib breeding design was conducted to understand the genetic effects on larval life-history traits. We found no significant additive genetic variance in any of larval traits. Except for hatching period, heritability estimates based on females were high in egg size, larval period, snout-vent length, and weight at metamorphosis, suggesting non-additive genetic effects. These results indicate that any response to selection during hatching and larval periods should be predominately governed by non-additive genetic effects in C. georgiana.</description><subject>additive genetic variation</subject><subject>Anura</subject><subject>Crinia georgiana</subject><subject>larval period</subject><subject>MADRE</subject><subject>maternal effect</subject><subject>MERE</subject><subject>MOTHERS</subject><subject>multiple mating</subject><subject>Myobatrachidae</subject><subject>Quantitative genetics</subject><subject>생물학</subject><issn>1976-8354</issn><issn>2151-2485</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNqFkdFqFDEUhgdRcK2-gULAG29mTSaZycQbKUvVYkEo9TqcySTbtLPJ9iSzZZ_DFzbjKoI3cuAcCN__Q_iq6jWja0Z7-p4p2fW8FeuGsmYtWdsq8aRaNaxldSP69mm1WpB6YZ5XL1K6o7RraK9W1Y-LQ5zm7GMgcxgtlr1HO3qTYZgsseHgMYadDRkmYmIY_cKmD-RhhpB9huwPlmxtsNmbRKIjE-ChsJN3tr71KUc8kozgcyI-ECC7YxygPJhbPxKHcUs26IOHUhJx6yHAy-qZgynZV7_vWfX908XN5kt99e3z5eb8qjai4bnmjZASbOukHZg0ygCMzJhBjXSUpsxAjbKKd6PknEsY3aCgt10vW2pER_lZ9e7UG9Dpe-N1BP_rbqO-R31-fXOppeqYYn_RPcaH2aasdz4ZO00QbJyTZo1iHRVULujbf9C7OGMoH9GsCOkFp1IUSpwogzEltE7v0e8Aj5pRvUjVf6TqRao-SS2xj6eYDy7iDh4jTqPOcJwiOoRgfNL8Pw1vTg0OooYtlsDX6wK0lIqe9vwnngC0rw</recordid><startdate>201210</startdate><enddate>201210</enddate><creator>Smith, Michael J., University of Western Australia, Perth, Western Australia, Australia</creator><creator>Jang, Y.K., Ewha Womans University, Seoul, Republic of Korea</creator><general>Taylor & Francis Group</general><general>Taylor & Francis Ltd</general><general>한국통합생물학회</general><scope>FBQ</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QO</scope><scope>7SN</scope><scope>7TK</scope><scope>7TM</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>P64</scope><scope>RC3</scope><scope>7ST</scope><scope>SOI</scope><scope>ACYCR</scope></search><sort><creationdate>201210</creationdate><title>Evolution under unpredictable environmental conditions: quantitative genetics of larval life-history traits in a myobatrachid frog Crinia georgiana</title><author>Smith, Michael J., University of Western Australia, Perth, Western Australia, Australia ; Jang, Y.K., Ewha Womans University, Seoul, Republic of Korea</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c423t-32477ae5f7eb17c9caad1ccb9d0d7c7c7b0c9e936d73337adfb9a8e68750c4603</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>additive genetic variation</topic><topic>Anura</topic><topic>Crinia georgiana</topic><topic>larval period</topic><topic>MADRE</topic><topic>maternal effect</topic><topic>MERE</topic><topic>MOTHERS</topic><topic>multiple mating</topic><topic>Myobatrachidae</topic><topic>Quantitative genetics</topic><topic>생물학</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Smith, Michael J., University of Western Australia, Perth, Western Australia, Australia</creatorcontrib><creatorcontrib>Jang, Y.K., Ewha Womans University, Seoul, Republic of Korea</creatorcontrib><collection>AGRIS</collection><collection>CrossRef</collection><collection>Biotechnology Research Abstracts</collection><collection>Ecology Abstracts</collection><collection>Neurosciences Abstracts</collection><collection>Nucleic Acids Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Genetics Abstracts</collection><collection>Environment Abstracts</collection><collection>Environment Abstracts</collection><collection>Korean Citation Index</collection><jtitle>Animal cells and systems</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Smith, Michael J., University of Western Australia, Perth, Western Australia, Australia</au><au>Jang, Y.K., Ewha Womans University, Seoul, Republic of Korea</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Evolution under unpredictable environmental conditions: quantitative genetics of larval life-history traits in a myobatrachid frog Crinia georgiana</atitle><jtitle>Animal cells and systems</jtitle><date>2012-10</date><risdate>2012</risdate><volume>16</volume><issue>5</issue><spage>425</spage><epage>430</epage><pages>425-430</pages><issn>1976-8354</issn><eissn>2151-2485</eissn><abstract>The southwestern Australian frog Crinia georgiana (Anura; Myobatrachidae) inhabits ephemeral pools in which the tadpoles often face desiccation. Under these conditions selection on tadpoles can be severe and can directly affect fitness during the aquatic as well as the terrestrial developmental stages. A quantitative genetic study using a half-sib breeding design was conducted to understand the genetic effects on larval life-history traits. We found no significant additive genetic variance in any of larval traits. Except for hatching period, heritability estimates based on females were high in egg size, larval period, snout-vent length, and weight at metamorphosis, suggesting non-additive genetic effects. These results indicate that any response to selection during hatching and larval periods should be predominately governed by non-additive genetic effects in C. georgiana.</abstract><cop>Daejeon</cop><pub>Taylor & Francis Group</pub><doi>10.1080/19768354.2012.715594</doi><tpages>6</tpages></addata></record> |
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| ispartof | Animal Cells and Systems, 2012, 16(5), , pp.425-430 |
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| language | eng |
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| source | Alma/SFX Local Collection |
| subjects | additive genetic variation Anura Crinia georgiana larval period MADRE maternal effect MERE MOTHERS multiple mating Myobatrachidae Quantitative genetics 생물학 |
| title | Evolution under unpredictable environmental conditions: quantitative genetics of larval life-history traits in a myobatrachid frog Crinia georgiana |
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