Results 171 to 180 of about 1,104,726 (307)

Immune investment and sperm competition in a beetle [PDF]

, 2002
Jenny Drnevich, Andrew I Barnes, Michael T. Siva‐Jothy   +2 more
openalex   +1 more source

Rapid genome shrinkage in a self-fertile nematode reveals sperm competition proteins

Science, 2018
Da Yin, E. Schwarz, Cristel G. Thomas, Rebecca L Felde, I. Korf, A. Cutter, Caitlin M. Schartner, E. Ralston, B. Meyer, E. Haag   +9 more
semanticscholar   +1 more source

Reduced Fecundity Associated with Wolbachia Infection in a Neotropical Drosophilid Redução da fecundidade associada à infecção por Wolbachia em um Drosofilídeo Neotropical

Ecological Entomology, EarlyView.
Using multiple infected and uninfected Drosophila sturtevanti lines, we investigated (i) the impact of Wolbachia on fecundity and (ii) its effects relative to antibiotic treatment. Based on over 1680 dissected ovaries, fecundity was similar between infected and uninfected flies.
Letícia Carlesso de Paula Sena, Marina Magalhães Moreira, Luísa de Paula Bouzada Dias, Jhonny José Magalhães Guedes, Karla Suemy Clemente Yotoko   +4 more
wiley   +1 more source

Ejaculate evolution in external fertilizers: Influenced by sperm competition or sperm limitation?

Evolution; international journal of organic evolution, 2018
W. Liao, Yanshuang Huang, Yu Zeng, M. Zhong, Yibing Luo, S. Lüpold   +5 more
semanticscholar   +1 more source

Sex‐Specific Control and Incomplete Matings: Sperm Removal Behavior in a Bush Cricket Species

Ethology, EarlyView.
In this study, we investigated which sex influences the duration of sperm removal behaviour (SRB) in the ornate bush cricket, Metaplastes ornatus. Female traits showed a weak effect on SRB duration, and lighter females mated more frequently. Frequent unsuccessful mating terminations shortened SRB indicating high level of sexual conflict.
Chiara Flaskamp, Klaus Reinhold, Tuba Rizvi   +2 more
wiley   +1 more source

Male-derived PBP4 is essential for sperm competition by mediating sperm motility in moths. [PDF]

Proc Natl Acad Sci U S A
He Y, Yan Q, Hou JH, Li Y, Wei ZQ, Guo JM, Liu NY, Knaden M, Hansson BS, Dong SL, Zhang J.   +10 more
europepmc   +1 more source

The baculum affects paternity success of first but not second males in house mouse sperm competition. [PDF]

BMC Ecol Evol, 2021
Winkler L, Lindholm AK, Ramm SA, Sutter A.   +3 more
europepmc   +1 more source

Socially cued seminal fluid gene expression mediates responses in ejaculate quality to sperm competition risk

Proceedings of the Royal Society B: Biological Sciences, 2017
L. Simmons, M. Lovegrove
semanticscholar   +1 more source

When Similar Individuals Don't Attract: Absence of Assortative Mating by Coloration in a Damselfly With Honest Signaling

Ethology, EarlyView.
In Acanthagrion lancea damselflies, both sexes display blue ornamentation, but do they choose mates based on it? We tested whether mutual mate choice and time constraints influence ornament evolution. Blue coloration correlated with individual quality, but individuals did not choose mates based on color, and this was unaffected by time constraints over
Maria C. A. Melillo, Stefânia P. R. Ventura, Rhainer Guillermo‐Ferreira, Paulo Enrique C. Peixoto   +3 more
wiley   +1 more source

Sperm competition in humans [PDF]

, 2006
Nicholas Pound, Todd K. Shackelford, Aaron T. Goetz   +2 more
openaire   +1 more source