Posts Tagged ‘Reproduction’

Linking the why and how of aging; evidence for somatotropic control of long-term memory function in the pond snail Lymnaea stagnalis [SHORT COMMUNICATION]

Lis de Weerd, Petra M. Hermann, and Willem C. WilderingOrganisms live on a budget; hence they cannot maximize all their activities at the same time. Instead, they must prioritize how they spend limiting resources on the many processes they rely on in …

Sperm in hot water: Direct and indirect thermal challenges interact to impact on brown trout sperm quality [RESEARCH ARTICLE]

Miriam Fenkes, John L. Fitzpatrick, Karlina Ozolina, Holly A. Shiels, and Robert L. NuddsRecent and future climate change alters the thermal habitat of aquatic species on a global scale, generating novel environmental challenges during all life stages…

Current versus future reproduction and longevity: a re-evaluation of predictions and mechanisms [REVIEW]

Yufeng Zhang and Wendy R. Hood
Oxidative damage is predicted to be a mediator of trade-offs between current reproduction and future reproduction or survival, but most studies fail to support such predictions. We suggest that two factors underlie the eq…

Dopaminergic inhibition of gonadotropin-releasing hormone neurons in the cichlid fish, Astatotilapia burtoni [SHORT COMMUNICATION]

Astra S. Bryant, Anna K. Greenwood, Scott A. Juntti, Allie E. Byrne, and Russell D. FernaldDopamine regulates reproduction in part by modulating neuronal activity within the hypothalamic-pituitary-gonadal (HPG) axis. Previous studies suggested numerou…

Male chemistry primes females for reproduction — but at a cost

A research team led by a Northwestern University scientist has discovered that male animals, through their invisible chemical “essence,” prime female animals for reproduction but with the unfortunate side effect of also hastening females’ aging process…

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