The investigation revealed the previously overlooked presence of a micropyle at the animal egg pole, thus rejecting recent textbook belief that the eggs of Polypterus slack a micropyle. Comparison with data for other gnathostomes demonstrates that eggs with a micropyle are a further synapomorphy ...
gene encoding the 鈭 27-kDa putative amino acid ATP-binding cassette (ABC) transporter, periplasmic substrate-binding protein from Neisseria meningitidis serogroup B (MenB) strain MC58 was cloned and expressed in Escherichia coli, and the purified recombinant (r)NMB1612 was used for animal immuniza...