Advances in Comparative and Environmental Physiology: Comparative Aspects of Mechanoreceptor Systems
Fumio Ito
joulu 2012 · Advances in Comparative and Environmental Physiology Kirja 10 · Springer Science & Business Media
E-kirja
309
sivuja
reportArvioita ja arvosteluja ei ole vahvistettu Lue lisää
Tietoa tästä e-kirjasta
In the past 5 years there has been an enormous increase of evidence that the ion channels activated by mechanical force are common to a wide variety of cell types. Mechanosensitive (MS) ion channels form a small proportion of the total channel population. They are now found in more than 30 cell types from E. coli, yeast, to plant, invertebrate, and vertebrate cells, where they occur in virtually all types of cells from bone to smooth muscle, as well as neurons. The majority of MS channels are permeable to monovalent cations and are slightly selective for K+ over Na +. How 2 ever, there are several reports of anion-selective MS channels, MS Ca + channels, and MS channels with large conductances that do not dis criminate markedly between cations and anions. Recently B. Hille has postulated possible evolutionary relationships between several types of ion channels, with mechanosensitive channels predating even the eukaryotes. Two voltage-gated channel types originate with the stem eukaryotes, as deduced from the presence of voltage-gated K+ 2 and Ca + channels in protozoa, algae, or higher plants. Agonist-gated chan nels as well as voltage-gated Na + channels appear with the earliest metazoan animals, as deduced from the presence of Na + spikes and fast chemical synapses in cnidaria (coelenterates), ctenophores, and all higher animals.
Arvioi tämä e-kirja
Kerro meille mielipiteesi.
Tietoa lukemisesta
Älypuhelimet ja tabletit
Asenna Google Play Kirjat ‑sovellus Androidille tai iPadille/iPhonelle. Se synkronoituu automaattisesti tilisi kanssa, jolloin voit lukea online- tai offline-tilassa missä tahansa oletkin.
Kannettavat ja pöytätietokoneet
Voit kuunnella Google Playsta ostettuja äänikirjoja tietokoneesi selaimella.
Lukulaitteet ja muut laitteet
Jos haluat lukea kirjoja sähköisellä lukulaitteella, esim. Kobo-lukulaitteella, sinun täytyy ladata tiedosto ja siirtää se laitteellesi. Siirrä tiedostoja tuettuihin lukulaitteisiin seuraamalla ohjekeskuksen ohjeita.
