Large-scale diversification without genetic isolation in nematode symbionts of figs
Diversification is commonly understood to be the divergence of phenotypes accompanying that of lineages. In contrast, alternative phenotypes arising from a single genotype are almost exclusively limited to dimorphism in nature. We report a remarkable case of macroevolutionary-scale diversification w...
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| Veröffentlicht in: | Science advances 2016-01, Vol.2 (1), p.e1501031-e1501031 |
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| creator | Susoy, Vladislav Herrmann, Matthias Kanzaki, Natsumi Kruger, Meike Nguyen, Chau N Rödelsperger, Christian Röseler, Waltraud Weiler, Christian Giblin-Davis, Robin M Ragsdale, Erik J Sommer, Ralf J |
| description | Diversification is commonly understood to be the divergence of phenotypes accompanying that of lineages. In contrast, alternative phenotypes arising from a single genotype are almost exclusively limited to dimorphism in nature. We report a remarkable case of macroevolutionary-scale diversification without genetic divergence. Upon colonizing the island-like microecosystem of individual figs, symbiotic nematodes of the genus Pristionchus accumulated a polyphenism with up to five discrete adult morphotypes per species. By integrating laboratory and field experiments with extensive genotyping of individuals, including the analysis of 49 genomes from a single species, we show that rapid filling of potential ecological niches is possible without diversifying selection on genotypes. This uncoupling of morphological diversification and speciation in fig-associated nematodes has resulted from a remarkable expansion of discontinuous developmental plasticity. |
| doi_str_mv | 10.1126/sciadv.1501031 |
| format | Article |
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This uncoupling of morphological diversification and speciation in fig-associated nematodes has resulted from a remarkable expansion of discontinuous developmental plasticity.</description><subject>Animals</subject><subject>Biological Evolution</subject><subject>Ecology</subject><subject>Ficus - genetics</subject><subject>Ficus - parasitology</subject><subject>Genetic Speciation</subject><subject>Genetics</subject><subject>Genome - genetics</subject><subject>Genotype</subject><subject>Nematoda - genetics</subject><subject>Phylogeny</subject><subject>Reproductive Isolation</subject><subject>SciAdv r-articles</subject><subject>Symbiosis - genetics</subject><issn>2375-2548</issn><issn>2375-2548</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpVUctOwzAQtBCIVqVXjihHLil2_MwFCVW8pEocgLPlOHZqlMQldor696RKqcppVzuzs6MdAK4RXCCUsbugnSq3C0QhghidgWmGOU0zSsT5ST8B8xC-IISIMEZRfgkmGRMZgRxPwftKdZVJg1a1SUq3NV1w1mkVnW-THxfXvo9JZVoTnU5c8PWIuDZpTaOiL00Sdk0xzGJIvE2sq8IVuLCqDmZ-qDPw-fT4sXxJV2_Pr8uHVaoJZTG1JRY50QUrFCm10IUgOoMox7nBkDAqKDSQ4IwLnEOBLSZWsJznhRVccyzwDNyPupu-aEypTRs7VctN5xrV7aRXTv5HWreWld9KwjEUlA4CtweBzn_3JkTZuKBNXavW-D5IxBnaG8nIQF2MVN35EDpjj2cQlPsw5BiGPIQxLNycmjvS_16PfwFzh4eD</recordid><startdate>20160101</startdate><enddate>20160101</enddate><creator>Susoy, Vladislav</creator><creator>Herrmann, Matthias</creator><creator>Kanzaki, Natsumi</creator><creator>Kruger, Meike</creator><creator>Nguyen, Chau N</creator><creator>Rödelsperger, Christian</creator><creator>Röseler, Waltraud</creator><creator>Weiler, Christian</creator><creator>Giblin-Davis, Robin M</creator><creator>Ragsdale, Erik J</creator><creator>Sommer, Ralf J</creator><general>American Association for the Advancement of Science</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>7X8</scope><scope>5PM</scope><orcidid>https://orcid.org/0000-0001-8187-1227</orcidid><orcidid>https://orcid.org/0000-0002-4801-2524</orcidid><orcidid>https://orcid.org/0000-0002-8861-8678</orcidid></search><sort><creationdate>20160101</creationdate><title>Large-scale diversification without genetic isolation in nematode symbionts of figs</title><author>Susoy, Vladislav ; Herrmann, Matthias ; Kanzaki, Natsumi ; Kruger, Meike ; Nguyen, Chau N ; Rödelsperger, Christian ; Röseler, Waltraud ; Weiler, Christian ; Giblin-Davis, Robin M ; Ragsdale, Erik J ; Sommer, Ralf J</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c456t-fd3894cb6ba4dc8cb84c201939e30465850e04327839083f34f86979bf87c7383</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Animals</topic><topic>Biological Evolution</topic><topic>Ecology</topic><topic>Ficus - genetics</topic><topic>Ficus - parasitology</topic><topic>Genetic Speciation</topic><topic>Genetics</topic><topic>Genome - genetics</topic><topic>Genotype</topic><topic>Nematoda - genetics</topic><topic>Phylogeny</topic><topic>Reproductive Isolation</topic><topic>SciAdv r-articles</topic><topic>Symbiosis - genetics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Susoy, Vladislav</creatorcontrib><creatorcontrib>Herrmann, Matthias</creatorcontrib><creatorcontrib>Kanzaki, Natsumi</creatorcontrib><creatorcontrib>Kruger, Meike</creatorcontrib><creatorcontrib>Nguyen, Chau N</creatorcontrib><creatorcontrib>Rödelsperger, Christian</creatorcontrib><creatorcontrib>Röseler, Waltraud</creatorcontrib><creatorcontrib>Weiler, Christian</creatorcontrib><creatorcontrib>Giblin-Davis, Robin M</creatorcontrib><creatorcontrib>Ragsdale, Erik J</creatorcontrib><creatorcontrib>Sommer, Ralf J</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Science advances</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Susoy, Vladislav</au><au>Herrmann, Matthias</au><au>Kanzaki, Natsumi</au><au>Kruger, Meike</au><au>Nguyen, Chau N</au><au>Rödelsperger, Christian</au><au>Röseler, Waltraud</au><au>Weiler, Christian</au><au>Giblin-Davis, Robin M</au><au>Ragsdale, Erik J</au><au>Sommer, Ralf J</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Large-scale diversification without genetic isolation in nematode symbionts of figs</atitle><jtitle>Science advances</jtitle><addtitle>Sci Adv</addtitle><date>2016-01-01</date><risdate>2016</risdate><volume>2</volume><issue>1</issue><spage>e1501031</spage><epage>e1501031</epage><pages>e1501031-e1501031</pages><issn>2375-2548</issn><eissn>2375-2548</eissn><abstract>Diversification is commonly understood to be the divergence of phenotypes accompanying that of lineages. 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| subjects | Animals Biological Evolution Ecology Ficus - genetics Ficus - parasitology Genetic Speciation Genetics Genome - genetics Genotype Nematoda - genetics Phylogeny Reproductive Isolation SciAdv r-articles Symbiosis - genetics |
| title | Large-scale diversification without genetic isolation in nematode symbionts of figs |
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