نتایج جستجو برای: anemone
تعداد نتایج: 1670 فیلتر نتایج به سال:
The recent analysis of a novel class of rare genomic changes, RGC_CAMs (after conserved amino acids-multiple substitutions), supported the Coelomata clade of animals as opposed to the Ecdysozoa clade (Rogozin et al. 2007). A subsequent reanalysis, with the sequences from the sea anemone Nematostella vectensis included in the set of outgroup species, suggested that this result was an artifact ca...
Antho-KAamide (L-3-phenyllactyl-Phe-Lys-Ala-NH2) and Antho-RIamide (L-3-phenyllactyl-Tyr-Arg-Ile-NH2) are novel neuropeptides isolated from the sea anemone Anthopleura elegantissima. They both inhibited spontaneous contractions of isolated muscle preparations from a wide variety of anemone species (threshold around 10(-7) M). Their actions were universal in that they inhibited every muscle prep...
Sea anemones produce a myriad of toxic peptides and proteins of which a large group acts on voltage-gated Na+ channels. However, in comparison to other organisms, their venoms and toxins are poorly studied. Most of the known voltage-gated Na+ channel toxins isolated from sea anemone venoms act on neurotoxin receptor site 3 and inhibit the inactivation of these channels. Furthermore, it seems th...
New peptides have been isolated from the sea anemone Anemonia sulcata which inhibit competitively the binding of 125I-dendrotoxin I (a classical ligand for K+ channel) to rat brain membranes and behave as blockers of voltage-sensitive K+ channels. Sea anemone kalicludines are 58-59-amino acid peptides cross-linked with three disulfide bridges. They are structurally homologous both to dendrotoxi...
We identified the single gene for nuclear lamin in the genome draft of the sea anemone Nematostella vectensis, a member of the cnidaria, a very old metazoan phylum. The gene consists of 10 exons and 9 introns. Strikingly all 9 intron positions are conserved in the human lamin B genes, which have only 1 (lamin B1) or 2 (lamin B2) additional introns. Using the information on neighboring genes we ...
Sea anemones are seemingly primitive animals that, along with corals, jellyfish, and hydras, constitute the oldest eumetazoan phylum, the Cnidaria. Here, we report a comparative analysis of the draft genome of an emerging cnidarian model, the starlet sea anemone Nematostella vectensis. The sea anemone genome is complex, with a gene repertoire, exon-intron structure, and large-scale gene linkage...
گونه‌های زیر بعنوان گونه جدید برای فلور ایران گزارش داده می‌شوند. Aconitum pubiceps, Androsace armeniaca, Cerastium szowitsii, Agropyron caninum, Geranium pratense, Hablitzia tamnoides, Lepidium campestre, Menyanthes trifoliata, Rosularia pilosa, Rubus saxatilis, Sedum subulatum, Silene multifida, Vincetoxicum rehmannii. Anemone albana که در فلور‌های ترکیه و شوروی بطور مشکوک از ایران ذکر شده ...
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