منابع مشابه
Tyrosinases from crustaceans form hexamers.
Tyrosinases, which are widely distributed among animals, plants and fungi, are involved in many biologically essential functions, including pigmentation, sclerotization, primary immune response and host defence. In the present study, we present a structural and physicochemical characterization of two new tyrosinases from the crustaceans Palinurus elephas (European spiny lobster) and Astacus lep...
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Atomic force microscopy (AFM) was used to study the structure of the staphylococcal alpha-hemolysin (alpha HL) oligomer formed in supported phospholipid bilayers. In contrast to the recent X-ray crystallographic demonstration of a heptameric stoichiometry for the oligomer formed in deoxycholate (DOC) micelles, the high-resolution unprocessed AFM images unequivocally revealed a hexamer in these ...
متن کاملCrustaceans
between species, but between different segments on the same animal. They have limbs specially adapted for walking, eating, grooming, swimming, mating, sensing the surrounding environment, brooding young, spearing prey, scraping surfaces and even snapping to make noise. Lobsters provide a good example of the limb diversity that can exist on even a single individual — the thoracic and abdominal a...
متن کاملMarine Isopod Crustaceans from Easter Island1
Isopods from 29 shallow-water stations around Easter Island were identified. Thirteen species in three suborders are described as new: suborder Anthuridea, Mesanthura pascuaensis, Sauranthura rapanui, Califanthura dodecaseta, Paranthura nordenstami; suborder Asellota, Joeropsis acoloris, Joeropsis bicornis, Joeropsis limbatus, Joeropsis trilabes, Salvatiella islapascua, Uromunna biloba, Paramun...
متن کاملBiomineralizations: insights and prospects from crustaceans
For growing, crustaceans have to molt cyclically because of the presence of a rigid exoskeleton. Most of the crustaceans harden their cuticle not only by sclerotization, like all the arthropods, but also by calcification. All the physiology of crustaceans, including the calcification process, is then linked to molting cycles. This means for these animals to find regularly a source of calcium io...
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ژورنال
عنوان ژورنال: Biochemical Journal
سال: 2003
ISSN: 0264-6021,1470-8728
DOI: 10.1042/bj20021058