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Enteric bacteria associated with bloodstream infections are attracted to human serum through L-serine and the chemoreceptor Tsr, and in an enterohemorrhagic lesion model use chemotaxis to invade damaged vasculature.

Precise dosage of the imprinted H19 and Igf2 genes is critical for normal embryonic development, especially related to the cardiac-placental axis.

Zdbf2 is a paternally expressed gene that is mainly expressed in the hypothalamus and promotes appetite and body weight gain in neonates.

The nerve growth-repellent activity that generates spinal nerve repeat-patterning in birds and mammals is identified at the molecular level, and a similar system is revealed in adult brain grey matter.

A new cell type at the border of the fourth ventricle is the exclusive source of roof plate.

Food supply and nutrient stress tolerance coordinately shape the multilevel selection dynamics of a mitochondrial cheater by promoting cheater persistence at both within-host and between-host levels of selection.

Bariatric surgery reversed obesity-exacerbated tumor burden and increased efficacy of anti-PD-L1 immunotherapy.

Transgenic mice with high levels of FGF21 live for longer than wild-type mice and do so without reducing food intake.

Storage of long-term memory in Aplysia does not require stable synapses.