brain
- Mitochondrial plasticity in the cerebellum of two anoxia-tolerant sharks: contrasting responses to anoxia/re-oxygenation
Highlighted Article: The brain mitochondria of reef sharks reveal some adaptations that parallel their contrasted physiological strategies to cope with environmental oxygen deprivation.
- Social stress increases plasma cortisol and reduces forebrain cell proliferation in subordinate male zebrafish (Danio rerio)
Summary: Elevated cortisol reduces cell proliferation in the telencephalon of socially subordinate male, but not female, zebrafish.
- HIF1α and physiological responses to hypoxia are correlated in mice but not in rats
Summary: Compared with SD rats, FVB mice have higher ventilatory and metabolic responses to hypoxia, higher induction of HIF-1α, and lower Glut1 protein expression in the brainstem.
- Transcriptomic analysis of instinctive and learned reward-related behaviors in honey bees
Highlighted Article: Brain gene expression analysis sheds new light on the relationship between instincts and learned behaviors and provides new insights into how the brain's reward system influences social behavior.
- On doing two things at once: dolphin brain and nose coordinate sonar clicks, buzzes and emotional squeals with social sounds during fish capture
Summary: Dolphins use sonar to hunt fish; they make different sounds and different decisions simultaneously.
- Stress in Atlantic salmon: response to unpredictable chronic stress
Summary: The unpredictable chronic stressor (UCS) paradigm, which mimics the effects of multiple stressors, causes dynamic changes at every level of the hypothalamic–pituitary gland–interrenal gland (HPI) axis of Atlantic salmon parr.