Rheotaxis-based sperm separation using a biomimicry microfluidic device
Scientific Reports, 2021 Sperm selection is crucial to assisted reproduction, influencing the success rate of the treatment cycle and offspring health. However, in the current clinical sperm selection practices, bypassing almost all the natural selection barriers is a major ...
Iman Ramazani Sarbandi +3 more
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Co-evolution of male and female reproductive traits across the Bruchidae (Coleoptera) [PDF]
, 2008 1. Despite the obvious importance of spermatozoa to individual reproductive success a general explanation of variation in spermatozoan form and function is still lacking. In species with internal fertilization, sperm not only have to interact with the
Andrés +57 more
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Novel distance-progesterone-combined selection approach improves human sperm quality
Journal of Translational Medicine, 2018 Background Sperm selection is essential for the health of offspring conceived via assistive reproductive technology (ART). Various methods of sperm preparation for in vitro fertilization and intracytoplasmic sperm injection have been developed to acquire
Kun Li +6 more
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Cells, 2021 We present a new method for the selection of individual sperm cells using a microfluidic device that automatically traps each cell in a separate microdroplet that then individually self-assembles with other microdroplets, permitting the controlled ...
Yuval Atzitz +3 more
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Sperm mobility: mechanisms of fertilizing efficiency, genetic variation and phenotypic relationship with male status in the domestic fowl, Gallus gallus domesticus [PDF]
, 2002 When females are sexually promiscuous, sexual selection continues after insemination through sperm competition and cryptic female choice, and male traits conveying an advantage in competitive fertilization are selected for. Although individual male and
Allen J Feltmann +6 more
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The repeatable opportunity for selection differs between pre‐ and postcopulatory fitness components
Evolution Letters, 2021 In species with multiple mating, intense sexual selection may occur both before and after copulation. However, comparing the strength of pre‐ and postcopulatory selection is challenging, because (i) postcopulatory processes are generally difficult to ...
Lucas Marie‐Orleach +2 more
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Effect of inbreeding and heritability of sperm competition success in the bulb mite Rhizoglyphus robini [PDF]
, 2005 Sperm competition is a potent evolutionary force shaping the reproductive biology of most animal species. Here, we estimated the heritability of sperm competition success in the promiscuous bulb mite Rhizoglyphus robini.
Keller, L., Konior, M., Radwan, J.
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Experimental evolution reveals that sperm competition intensity selects for longer, more costly sperm [PDF]
, 2017 It is the differences between sperm and eggs that fundamentally underpin the differences between the sexes within reproduction. For males, it is theorized that widespread sperm competition leads to selection for investment in sperm numbers, achieved by ...
Godwin, Joanne L. +6 more
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Cryptic female choice favours sperm from major histocompatibility complex-dissimilar males [PDF]
, 2013 Cryptic female choice may enable polyandrous females to avoid inbreeding or bias offspring variability at key loci after mating. However, the role of these genetic benefits in cryptic female choice remains poorly understood. Female red junglefowl, Gallus
Alcaide M +8 more
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Taiwanese Journal of Obstetrics & Gynecology, 2015 Objective: To evaluate if hyaluronic acid (HA)-bound spermatozoa surpassed conventional microscopy-selected spermatozoa in the status of sperm DNA integrity by acridine orange (AO) fluorescence staining.
Meng-Ting Huang +5 more
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