Mating and Breeding News
February 15, 2019

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updated 3:54pm EST

More Mating and Breeding News
February 15, 2019

New Study Examines the Way Estrogen Affects Methamphetamine Addiction

Feb. 6, 2019 — Researchers look at how methamphetamine affects female rats. Findings show that the drug induces different signaling changes in the brains of male rats versus their female counterparts, which may ... read more

Jan. 31, 2019 — Warmer water temperatures, combined with low-level exposure to chemicals already known to be harmful to aquatic life, influence the expression of genes in the offspring of an abundant North American ... read more

Jan. 31, 2019 — A new study suggests that the membrane of salmon eggs may evolve to cope with reduced oxygen levels in rivers, thereby helping their embryos to incubate ... read more

Male Mice Hard-Wired to Recognize Sex of Other Mice

Jan. 31, 2019 — A male mouse identifies the sex of an unfamiliar mouse because of hard-wired brain physiology, not previous experience, investigators have ... read more

Crossbreeding Threatens Conservation of Endangered Milky Storks

Jan. 31, 2019 — A team of researchers has discovered that the conservation of milky storks, an endangered wading bird native to Southeast Asia, is threatened due to crossbreeding with their more widespread cousins, ... read more

Jan. 31, 2019 — A look at the brains of an endangered spiny rat off the coast of Japan could illuminate the subtle genetic influences that stimulate a mammal's cells to develop as male versus female in the ... read more

Jan. 30, 2019 — Evolution is a rich and dynamic process. Species respond to pressures in a variety of ways, most of which reduce to finding food, avoiding becoming someone else's food and attracting a mate. To ... read more

Birds-of-Paradise Genomes Target Sexual Selection

Jan. 28, 2019 — Researchers provide genome sequences for 5 birds-of-paradise species: 3 without previous genome data and 2 with improved data. Birds-of-paradise are classic examples of extreme sexual selection due ... read more

Flounders in the Gulf of Finland: Decline Caused by the Near Disappearance of One Species

Jan. 25, 2019 — Morphologically very similar species can disappear before we even notice they are ... read more

Zika Vaccines Should Induce Responses by CD4+ T Cells

Jan. 24, 2019 — Immune cells called CD4+ T cells could be important mediators of protection against the Zika virus, according to a new study. The findings support vaccine strategies that induce a protective CD4+ T ... read more

Jan. 24, 2019 — African giant pouched rats have an exceptional sense of smell - they are used to detect land mines and tuberculosis - but scientists know very little about their biology or social structure, and ... read more

Jan. 24, 2019 — Baby birds and eggs are on the menu for at least 94 species of animals in Australia's forests and woodlands, according to new research. Scientists reviewed 177 existing bird studies across the ... read more

How Sex Pheromones Diversify: Lessons from Yeast

Jan. 22, 2019 — What happens to sex pheromones as new species emerge? New research studies sex pheromones in the fission yeast Schizosaccharomyces pombe, revealing an 'asymmetric' pheromone recognition ... read more

Jan. 18, 2019 — The reintroduction program for the green turtle in the Cayman Islands has been crucial in order to recover this species, which are threatened by the effects of human overexploitation, according to ... read more

Alternations in Gut Microbiota in Pregnancy and Lactation

Jan. 17, 2019 — Recent studies have shown that maternal gut microbiota in humans primes the offspring's immune and metabolic development during pregnancy and lactation. Due to environmental factors that are ... read more

Size Matters: To Livebearer Fish, Big Fins Are a Big Deal

Jan. 17, 2019 — Biologists studied the evolution of 40 molly and Limia species, and concluded dorsal fin displays arose first for males to compete with other males, only later being used in courtship displays to ... read more

Fruit Fly Promiscuity Alters the Evolutionary Forces on Males

Jan. 17, 2019 — Researchers have demonstrated for the first time what effect female fruit flies having multiple partners has on sexual selection -- before and after mating. Sexual selection is the branch of natural ... read more

Cilia Beat to an Unexpected Rhythm in Male Reproductive Tract, Study in Mice Reveals

Jan. 14, 2019 — Waves of undulating cilia drive several processes essential to life. They clear debris and mucus from the respiratory tract, move spinal fluid through the brain and transport embryos from the ovaries ... read more

Jan. 11, 2019 — One of the greatest challenges in saving endangered species is to predict if an animal population will die out. Accurate and reliable models are crucial for ... read more

Jan. 10, 2019 — Researchers have found yet another way in which climate change has been detrimental to migrating birds. As European winters have become warmer, pied flycatchers traveling from Africa to reach ... read more

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