About: The spider Harpactea sadistica: co-evolution of traumatic insemination and complex female genital morphology in spiders

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About: The spider Harpactea sadistica: co-evolution of traumatic insemination and complex female genital morphology in spiders Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The research reported here demonstrates the first case of traumatic insemination in the arthropod subphylum Chelicerata, in particular how the genital morphology and mating behaviour of Harpactea sadistica (Řezáč 2008), a spider from Israel, has become adapted specifically for reproduction based on TI. Males have needle-like intromittent organs and females have atrophied spermathecae. In other spiders, eggs are fertilized simultaneously with oviposition, but the eggs of H. sadistica are fertilized in the ovaries (internal fertilization) and develop as embryos before being laid. Sperm-storage organs of phylogenetically basal groups to H. sadistica provide males with last male sperm priority and allow removal of sperm by males that mate later, suggesting that TI might have evolved as an adaptive strategy to circumvent an unfavourable structure of the sperm-storage organs, allowing the first male to mate with paternity advantage. The research reported here demonstrates the first case of traumatic insemination in the arthropod subphylum Chelicerata, in particular how the genital morphology and mating behaviour of Harpactea sadistica (Řezáč 2008), a spider from Israel, has become adapted specifically for reproduction based on TI. Males have needle-like intromittent organs and females have atrophied spermathecae. In other spiders, eggs are fertilized simultaneously with oviposition, but the eggs of H. sadistica are fertilized in the ovaries (internal fertilization) and develop as embryos before being laid. Sperm-storage organs of phylogenetically basal groups to H. sadistica provide males with last male sperm priority and allow removal of sperm by males that mate later, suggesting that TI might have evolved as an adaptive strategy to circumvent an unfavourable structure of the sperm-storage organs, allowing the first male to mate with paternity advantage. (en)
Title	The spider Harpactea sadistica: co-evolution of traumatic insemination and complex female genital morphology in spiders The spider Harpactea sadistica: co-evolution of traumatic insemination and complex female genital morphology in spiders (en)
skos:prefLabel	The spider Harpactea sadistica: co-evolution of traumatic insemination and complex female genital morphology in spiders The spider Harpactea sadistica: co-evolution of traumatic insemination and complex female genital morphology in spiders (en)
skos:notation	RIV/00027006:_____/09:00000729!RIV11-GA0-00027006
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GP206/09/P521)
http://linked.open...iv/cisloPeriodika	1668
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Řezáč, Milan
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Výzkumný ústav rostlinné výroby, v.v.i.
http://linked.open...dnocenehoVysledku	342951
http://linked.open...ai/riv/idVysledku	RIV/00027006:_____/09:00000729
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	hemocoelic insemination; hypodermic insemination; mating behaviour; sexual coercion; sperm competition; sexual selection (en)
http://linked.open.../riv/klicoveSlovo	sexual selection hemocoelic insemination hypodermic insemination mating behaviour sexual coercion sperm competition
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[05BE5CF14693]
http://linked.open...i/riv/nazevZdroje	Proceedings of the Royal Society B-Biological Science
http://linked.open...in/vavai/riv/obor	EG
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	1 (xsd:int)
http://linked.open...vavai/riv/projekt	Evolution of oniscophagy in the spider subfamily Dysderinae (Araneae: Dysderidae)
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	276
http://linked.open...iv/tvurceVysledku	Řezáč, Milan
http://linked.open...ain/vavai/riv/wos	000267373700002
issn	0962-8452
number of pages	5 (xsd:int)
is http://linked.open...avai/riv/vysledek of	The spider Harpactea sadistica: co-evolution of traumatic insemination and complex female genital morphology in spiders The spider Harpactea sadistica: co-evolution of traumatic insemination and complex female genital morphology in spiders The spider Harpactea sadistica: co-evolution of traumatic insemination and complex female genital morphology in spiders

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