Clonal reproduction by males and females in the little fire ant
Sexual reproduction can lead to major conflicts between sexes and within genomes. Here we report an extreme case of such conflicts in the little fire ant Wasmannia auropunctata. We found that sterile workers are produced by normal sexual reproduction, whereas daughter queens are invariably clonally...
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| Veröffentlicht in: | Nature 2005-06, Vol.435 (7046), p.1230-1234 |
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| creator | Fournier, D Estoup, A Orivel, J Foucaud, J Jourdan, H Le Breton, J Keller, L |
| description | Sexual reproduction can lead to major conflicts between sexes and within genomes. Here we report an extreme case of such conflicts in the little fire ant Wasmannia auropunctata. We found that sterile workers are produced by normal sexual reproduction, whereas daughter queens are invariably clonally produced. Because males usually develop from unfertilized maternal eggs in ants and other haplodiploid species, they normally achieve direct fitness only through diploid female offspring. Hence, although the clonal production of queens increases the queen's relatedness to reproductive daughters, it potentially reduces male reproductive success to zero. In an apparent response to this conflict between sexes, genetic analyses reveal that males reproduce clonally, most likely by eliminating the maternal half of the genome in diploid eggs. As a result, all sons have nuclear genomes identical to those of their father. The obligate clonal production of males and queens from individuals of the same sex effectively results in a complete separation of the male and female gene pools. These findings show that the haplodiploid sex-determination system provides grounds for the evolution of extraordinary genetic systems and new types of sexual conflict. |
| doi_str_mv | 10.1038/nature03705 |
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Here we report an extreme case of such conflicts in the little fire ant Wasmannia auropunctata. We found that sterile workers are produced by normal sexual reproduction, whereas daughter queens are invariably clonally produced. Because males usually develop from unfertilized maternal eggs in ants and other haplodiploid species, they normally achieve direct fitness only through diploid female offspring. Hence, although the clonal production of queens increases the queen's relatedness to reproductive daughters, it potentially reduces male reproductive success to zero. In an apparent response to this conflict between sexes, genetic analyses reveal that males reproduce clonally, most likely by eliminating the maternal half of the genome in diploid eggs. As a result, all sons have nuclear genomes identical to those of their father. The obligate clonal production of males and queens from individuals of the same sex effectively results in a complete separation of the male and female gene pools. These findings show that the haplodiploid sex-determination system provides grounds for the evolution of extraordinary genetic systems and new types of sexual conflict.</description><identifier>ISSN: 0028-0836</identifier><identifier>EISSN: 1476-4687</identifier><identifier>DOI: 10.1038/nature03705</identifier><identifier>PMID: 15988525</identifier><identifier>CODEN: NATUAS</identifier><language>eng</language><publisher>London: Nature Publishing Group UK</publisher><subject>Alleles ; Animal and plant ecology ; Animal reproduction ; Animal, plant and microbial ecology ; Animals ; Ants - genetics ; Ants - physiology ; asexual reproduction ; Biological and medical sciences ; Biological Evolution ; Cellular Biology ; clonal reproduction ; clones ; Cloning ; Demecology ; Diploidy ; DNA - analysis ; DNA - genetics ; Eggs ; Female ; Females ; Formicidae ; Fundamental and applied biological sciences. Psychology ; Gene Frequency ; Gene loci ; genetic markers ; Genome ; Genotype ; Genotype & phenotype ; haplodiploidy ; Haploidy ; Heredity ; Humanities and Social Sciences ; insect pests ; insect reproduction ; Insects ; letter ; Life Sciences ; loci ; Male ; males ; microsatellite repeats ; Microsatellite Repeats - genetics ; Models, Genetic ; multidisciplinary ; Offspring ; Pedigree ; Protozoa. Invertebrata ; queen insects ; Reproduction ; Reproduction - genetics ; Reproduction - physiology ; Science ; Science (multidisciplinary) ; Sexes ; Sexual Behavior, Animal - physiology ; sexual reproduction ; Spermatozoa - metabolism ; Wasmannia auropunctata ; worker insects</subject><ispartof>Nature, 2005-06, Vol.435 (7046), p.1230-1234</ispartof><rights>Macmillan Magazines Ltd. 2005</rights><rights>2005 INIST-CNRS</rights><rights>COPYRIGHT 2005 Nature Publishing Group</rights><rights>Copyright Nature Publishing Group Jun 30, 2005</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c773t-41cc3c1fbcb0eb338e31d90840fc43b50adfa59f987ed4d8b14425766c7c31b23</citedby><cites>FETCH-LOGICAL-c773t-41cc3c1fbcb0eb338e31d90840fc43b50adfa59f987ed4d8b14425766c7c31b23</cites><orcidid>0000-0002-3710-5354 ; 0000-0002-5636-3228 ; 0000-0003-2272-3149 ; 0000-0002-3756-4008 ; 0000-0002-4357-6144</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1038/nature03705$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1038/nature03705$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>230,314,780,784,885,2726,27923,27924,41487,42556,51318</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=16912480$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/15988525$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink><backlink>$$Uhttps://hal.inrae.fr/hal-02683434$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Fournier, D</creatorcontrib><creatorcontrib>Estoup, A</creatorcontrib><creatorcontrib>Orivel, J</creatorcontrib><creatorcontrib>Foucaud, J</creatorcontrib><creatorcontrib>Jourdan, H</creatorcontrib><creatorcontrib>Le Breton, J</creatorcontrib><creatorcontrib>Keller, L</creatorcontrib><title>Clonal reproduction by males and females in the little fire ant</title><title>Nature</title><addtitle>Nature</addtitle><addtitle>Nature</addtitle><description>Sexual reproduction can lead to major conflicts between sexes and within genomes. Here we report an extreme case of such conflicts in the little fire ant Wasmannia auropunctata. We found that sterile workers are produced by normal sexual reproduction, whereas daughter queens are invariably clonally produced. Because males usually develop from unfertilized maternal eggs in ants and other haplodiploid species, they normally achieve direct fitness only through diploid female offspring. Hence, although the clonal production of queens increases the queen's relatedness to reproductive daughters, it potentially reduces male reproductive success to zero. In an apparent response to this conflict between sexes, genetic analyses reveal that males reproduce clonally, most likely by eliminating the maternal half of the genome in diploid eggs. As a result, all sons have nuclear genomes identical to those of their father. The obligate clonal production of males and queens from individuals of the same sex effectively results in a complete separation of the male and female gene pools. These findings show that the haplodiploid sex-determination system provides grounds for the evolution of extraordinary genetic systems and new types of sexual conflict.</description><subject>Alleles</subject><subject>Animal and plant ecology</subject><subject>Animal reproduction</subject><subject>Animal, plant and microbial ecology</subject><subject>Animals</subject><subject>Ants - genetics</subject><subject>Ants - physiology</subject><subject>asexual reproduction</subject><subject>Biological and medical sciences</subject><subject>Biological Evolution</subject><subject>Cellular Biology</subject><subject>clonal reproduction</subject><subject>clones</subject><subject>Cloning</subject><subject>Demecology</subject><subject>Diploidy</subject><subject>DNA - analysis</subject><subject>DNA - genetics</subject><subject>Eggs</subject><subject>Female</subject><subject>Females</subject><subject>Formicidae</subject><subject>Fundamental and applied biological sciences. 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Here we report an extreme case of such conflicts in the little fire ant Wasmannia auropunctata. We found that sterile workers are produced by normal sexual reproduction, whereas daughter queens are invariably clonally produced. Because males usually develop from unfertilized maternal eggs in ants and other haplodiploid species, they normally achieve direct fitness only through diploid female offspring. Hence, although the clonal production of queens increases the queen's relatedness to reproductive daughters, it potentially reduces male reproductive success to zero. In an apparent response to this conflict between sexes, genetic analyses reveal that males reproduce clonally, most likely by eliminating the maternal half of the genome in diploid eggs. As a result, all sons have nuclear genomes identical to those of their father. 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| fulltext | fulltext |
| identifier | ISSN: 0028-0836 |
| ispartof | Nature, 2005-06, Vol.435 (7046), p.1230-1234 |
| issn | 0028-0836 1476-4687 |
| language | eng |
| recordid | cdi_hal_primary_oai_HAL_hal_02683434v1 |
| source | MEDLINE; Nature; SpringerLink Journals - AutoHoldings |
| subjects | Alleles Animal and plant ecology Animal reproduction Animal, plant and microbial ecology Animals Ants - genetics Ants - physiology asexual reproduction Biological and medical sciences Biological Evolution Cellular Biology clonal reproduction clones Cloning Demecology Diploidy DNA - analysis DNA - genetics Eggs Female Females Formicidae Fundamental and applied biological sciences. Psychology Gene Frequency Gene loci genetic markers Genome Genotype Genotype & phenotype haplodiploidy Haploidy Heredity Humanities and Social Sciences insect pests insect reproduction Insects letter Life Sciences loci Male males microsatellite repeats Microsatellite Repeats - genetics Models, Genetic multidisciplinary Offspring Pedigree Protozoa. Invertebrata queen insects Reproduction Reproduction - genetics Reproduction - physiology Science Science (multidisciplinary) Sexes Sexual Behavior, Animal - physiology sexual reproduction Spermatozoa - metabolism Wasmannia auropunctata worker insects |
| title | Clonal reproduction by males and females in the little fire ant |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-08T12%3A59%3A11IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-gale_hal_p&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=Clonal%20reproduction%20by%20males%20and%20females%20in%20the%20little%20fire%20ant&rft.jtitle=Nature&rft.au=Fournier,%20D&rft.date=2005-06-30&rft.volume=435&rft.issue=7046&rft.spage=1230&rft.epage=1234&rft.pages=1230-1234&rft.issn=0028-0836&rft.eissn=1476-4687&rft.coden=NATUAS&rft_id=info:doi/10.1038/nature03705&rft_dat=%3Cgale_hal_p%3EA185469736%3C/gale_hal_p%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_pqid=204557056&rft_id=info:pmid/15988525&rft_galeid=A185469736&rfr_iscdi=true |