sIgM plays a role in viral neutralization across both primitive and modern vertebrates by following conserved principles in the development of specialized antiviral immunity.
Evidence for H. naledi and increasing recognition of meaning-making behavior across the later Pleistocene suggests that the hominin emotional, socio-cognitive niche is broader and more significant than previously thought.
In Pseudomonas aeruginosa, the chemoreceptor cluster and flagellar motor colocalize at the same cell pole through FlhF anchoring, preventing cross-pathway signaling interference between chemotaxis and c-di-GMP regulation.