Results 151 to 160 of about 2,732 (168)
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Происхождение членистоногих и клад Ecdysozoa
Онтогенез, 2013Проблема происхождения типа Членистоногих уже давно считалась решенной на основе данных эволюционной морфологии. Но молекулярно-биологические исследования последних лет выдвинули новое решение, противоречащее предыдущему. Таким образом, возникла необходимость пересмотра аргументации обеих сторон и поиска путей к достижению консенсуса.
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Uncovering Ecdysozoa-specific Sphingomyelin Synthase by Phylogenetic Analysis of Metazoan Sequences
Zoological Science, 2019Sphingomyelin (SM) is a membrane phospholipid that is widely distributed in Metazoa; it is the major constituent of myelin sheaths in vertebrates. In mammals, two genes (SMS1 and SMS2) are responsible for its synthesis. No SM-producing genes have been clearly identified in insects and crustaceans (Ecdysozoa) despite the presence of a myelin sheath-like
Mitsuharu, Sato +2 more
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The multimeric β‐thymosin found in nematodes and arthropods is not a synapomorphy of the Ecdysozoa
Evolution & Development, 2004SummaryThe Ecdysozoa hypothesis proposes a clade of animals including arthropods and nematodes that share the characteristic of periodic molting or ecdysis. The original evidence supporting this hypothesis came from molecular phylogenies based on ribosomal RNA gene sequences. Contrary evidence has come from studies of multiple protein coding genes. One
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The larval nervous system of the penis wormPriapulus caudatus(Ecdysozoa)
Philosophical Transactions of the Royal Society B: Biological Sciences, 2016Gabriella Wolff +2 more
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