Sperm production responds to perceived sperm competition risk in male Drosophila melanogaster
Abstract Postcopulatory sexual selection arising from female multiple mating leads to the evolution of ejaculates that maximize a male's reproductive success under sperm competition. Where the risk of sperm competition is variable, optimal fitness may be achieved by plastically altering ejacula...
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| Veröffentlicht in: | Physiology & behavior 2014-05, Vol.131, p.111-114 |
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| creator | Moatt, Joshua P Dytham, Calvin Thom, Michael D.F |
| description | Abstract Postcopulatory sexual selection arising from female multiple mating leads to the evolution of ejaculates that maximize a male's reproductive success under sperm competition. Where the risk of sperm competition is variable, optimal fitness may be achieved by plastically altering ejaculate characteristics in response to the prevailing sperm competition environment. In the model species Drosophila melanogaster , males expecting to encounter sperm competition mate for longer and transfer more accessory proteins and sperm. Here we show that after being housed with a single rival for one week, the seminal vesicles of male D. melanogaster contain a significantly greater proportion of live sperm than those of males maintained alone, indicating adaptive adjustment of sperm quality in response to the perceived risk of sperm competition. This effect is due to an increase in the number of live sperm produced, indicating that males upregulate sperm production in response to the presence of rivals. Our data suggest that males show plasticity in the rate of spermatogenesis that is adaptive in the context of a fluctuating sperm competition environment. |
| doi_str_mv | 10.1016/j.physbeh.2014.04.027 |
| format | Article |
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Where the risk of sperm competition is variable, optimal fitness may be achieved by plastically altering ejaculate characteristics in response to the prevailing sperm competition environment. In the model species Drosophila melanogaster , males expecting to encounter sperm competition mate for longer and transfer more accessory proteins and sperm. Here we show that after being housed with a single rival for one week, the seminal vesicles of male D. melanogaster contain a significantly greater proportion of live sperm than those of males maintained alone, indicating adaptive adjustment of sperm quality in response to the perceived risk of sperm competition. This effect is due to an increase in the number of live sperm produced, indicating that males upregulate sperm production in response to the presence of rivals. 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Psychophysiology ; Reproduction - physiology ; Seminal Vesicles - cytology ; Sexual selection ; Sperm counts ; Sperm number ; Sperm viability ; Spermatogenesis - physiology ; Spermatozoa - physiology</subject><ispartof>Physiology & behavior, 2014-05, Vol.131, p.111-114</ispartof><rights>Elsevier Inc.</rights><rights>2014 Elsevier Inc.</rights><rights>2015 INIST-CNRS</rights><rights>Copyright © 2014 Elsevier Inc. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c483t-e4ce117c39f4c0bd713460d8a69613cea1b055558a53a5bcdb115bdfe70253533</citedby><cites>FETCH-LOGICAL-c483t-e4ce117c39f4c0bd713460d8a69613cea1b055558a53a5bcdb115bdfe70253533</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.physbeh.2014.04.027$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3548,27923,27924,45994</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=28506601$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/24769021$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Moatt, Joshua P</creatorcontrib><creatorcontrib>Dytham, Calvin</creatorcontrib><creatorcontrib>Thom, Michael D.F</creatorcontrib><title>Sperm production responds to perceived sperm competition risk in male Drosophila melanogaster</title><title>Physiology & behavior</title><addtitle>Physiol Behav</addtitle><description>Abstract Postcopulatory sexual selection arising from female multiple mating leads to the evolution of ejaculates that maximize a male's reproductive success under sperm competition. Where the risk of sperm competition is variable, optimal fitness may be achieved by plastically altering ejaculate characteristics in response to the prevailing sperm competition environment. In the model species Drosophila melanogaster , males expecting to encounter sperm competition mate for longer and transfer more accessory proteins and sperm. Here we show that after being housed with a single rival for one week, the seminal vesicles of male D. melanogaster contain a significantly greater proportion of live sperm than those of males maintained alone, indicating adaptive adjustment of sperm quality in response to the perceived risk of sperm competition. This effect is due to an increase in the number of live sperm produced, indicating that males upregulate sperm production in response to the presence of rivals. Our data suggest that males show plasticity in the rate of spermatogenesis that is adaptive in the context of a fluctuating sperm competition environment.</description><subject>Animals</subject><subject>Behavioral psychophysiology</subject><subject>Biological and medical sciences</subject><subject>Cell Count</subject><subject>Cell Death</subject><subject>Cell Survival</subject><subject>Competitive Behavior - physiology</subject><subject>Cues</subject><subject>Drosophila melanogaster</subject><subject>Drosophila melanogaster - physiology</subject><subject>Ejaculate quality</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Housing, Animal</subject><subject>Male</subject><subject>Mating strategies</subject><subject>Psychiatry</subject><subject>Psychology. Psychoanalysis. Psychiatry</subject><subject>Psychology. Psychophysiology</subject><subject>Reproduction - physiology</subject><subject>Seminal Vesicles - cytology</subject><subject>Sexual selection</subject><subject>Sperm counts</subject><subject>Sperm number</subject><subject>Sperm viability</subject><subject>Spermatogenesis - physiology</subject><subject>Spermatozoa - physiology</subject><issn>0031-9384</issn><issn>1873-507X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkkuLFDEQx4Mo7uzqR1ByEbz0WHn146LI6qqw4GEVvEhIJ9VOZrs7bdK9MN_etDMqeNGiIIf8qupfD0KeMNgyYOWL_XbaHVKLuy0HJreQnVf3yIbVlSgUVF_ukw2AYEUjanlGzlPaQzYhxUNyxmVVNsDZhny9mTAOdIrBLXb2YaQR0xRGl-gcaP6z6O_Q0fQTs2GYcPZHzqdb6kc6mB7pmxhSmHa-N3TA3ozhm0kzxkfkQWf6hI9P7wX5fPX20-X74vrjuw-Xr68LK2sxFygtMlZZ0XTSQusqJmQJrjZlUzJh0bAWVLbaKGFUa13LmGpdhxVwJZQQF-T5MW_u4_uCadaDTxb7rATDkjRTEjhvOFP_gfKmFllBnVF1RG3uLkXs9BT9YOJBM9DrEvRen5ag1yVoyM6rHPf0VGJpB3S_o35NPQPPToBJ1vRdNKP16Q9XKyhLWLlXRw7z7O48Rp2sx9Gi8xHtrF3w_5Ty8q8Mtvejz0Vv8YBpH5Y45sVophPXoG_Wi1kPhknIQmsufgAR-717</recordid><startdate>20140528</startdate><enddate>20140528</enddate><creator>Moatt, Joshua P</creator><creator>Dytham, Calvin</creator><creator>Thom, Michael D.F</creator><general>Elsevier Inc</general><general>Elsevier</general><scope>IQODW</scope><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>7QG</scope><scope>7TK</scope></search><sort><creationdate>20140528</creationdate><title>Sperm production responds to perceived sperm competition risk in male Drosophila melanogaster</title><author>Moatt, Joshua P ; Dytham, Calvin ; Thom, Michael D.F</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c483t-e4ce117c39f4c0bd713460d8a69613cea1b055558a53a5bcdb115bdfe70253533</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Animals</topic><topic>Behavioral psychophysiology</topic><topic>Biological and medical sciences</topic><topic>Cell Count</topic><topic>Cell Death</topic><topic>Cell Survival</topic><topic>Competitive Behavior - physiology</topic><topic>Cues</topic><topic>Drosophila melanogaster</topic><topic>Drosophila melanogaster - physiology</topic><topic>Ejaculate quality</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Housing, Animal</topic><topic>Male</topic><topic>Mating strategies</topic><topic>Psychiatry</topic><topic>Psychology. Psychoanalysis. Psychiatry</topic><topic>Psychology. Psychophysiology</topic><topic>Reproduction - physiology</topic><topic>Seminal Vesicles - cytology</topic><topic>Sexual selection</topic><topic>Sperm counts</topic><topic>Sperm number</topic><topic>Sperm viability</topic><topic>Spermatogenesis - physiology</topic><topic>Spermatozoa - physiology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Moatt, Joshua P</creatorcontrib><creatorcontrib>Dytham, Calvin</creatorcontrib><creatorcontrib>Thom, Michael D.F</creatorcontrib><collection>Pascal-Francis</collection><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>Animal Behavior Abstracts</collection><collection>Neurosciences Abstracts</collection><jtitle>Physiology & behavior</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Moatt, Joshua P</au><au>Dytham, Calvin</au><au>Thom, Michael D.F</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Sperm production responds to perceived sperm competition risk in male Drosophila melanogaster</atitle><jtitle>Physiology & behavior</jtitle><addtitle>Physiol Behav</addtitle><date>2014-05-28</date><risdate>2014</risdate><volume>131</volume><spage>111</spage><epage>114</epage><pages>111-114</pages><issn>0031-9384</issn><eissn>1873-507X</eissn><abstract>Abstract Postcopulatory sexual selection arising from female multiple mating leads to the evolution of ejaculates that maximize a male's reproductive success under sperm competition. Where the risk of sperm competition is variable, optimal fitness may be achieved by plastically altering ejaculate characteristics in response to the prevailing sperm competition environment. In the model species Drosophila melanogaster , males expecting to encounter sperm competition mate for longer and transfer more accessory proteins and sperm. Here we show that after being housed with a single rival for one week, the seminal vesicles of male D. melanogaster contain a significantly greater proportion of live sperm than those of males maintained alone, indicating adaptive adjustment of sperm quality in response to the perceived risk of sperm competition. This effect is due to an increase in the number of live sperm produced, indicating that males upregulate sperm production in response to the presence of rivals. Our data suggest that males show plasticity in the rate of spermatogenesis that is adaptive in the context of a fluctuating sperm competition environment.</abstract><cop>Amsterdam</cop><pub>Elsevier Inc</pub><pmid>24769021</pmid><doi>10.1016/j.physbeh.2014.04.027</doi><tpages>4</tpages></addata></record> |
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| subjects | Animals Behavioral psychophysiology Biological and medical sciences Cell Count Cell Death Cell Survival Competitive Behavior - physiology Cues Drosophila melanogaster Drosophila melanogaster - physiology Ejaculate quality Fundamental and applied biological sciences. Psychology Housing, Animal Male Mating strategies Psychiatry Psychology. Psychoanalysis. Psychiatry Psychology. Psychophysiology Reproduction - physiology Seminal Vesicles - cytology Sexual selection Sperm counts Sperm number Sperm viability Spermatogenesis - physiology Spermatozoa - physiology |
| title | Sperm production responds to perceived sperm competition risk in male Drosophila melanogaster |
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