نتایج جستجو برای: molecular systematics

تعداد نتایج: 640998  

Journal: :Acta Crystallographica Section A Foundations of Crystallography 1993

Journal: :Journal of the Yamashina Institute for Ornithology 1989

Journal: :Advances in parasitology 2005
Peter D Olson Vasyl V Tkach

The application of molecular systematics to the parasitic Platyhelminthes (Cestoda, Digenea and Monogenea) over the last decade has advanced our understanding of their interrelationships and evolution substantially. Here we review the current state of play and the early works that led to the molecular-based hypotheses that now predominate in the field; advances in their systematics, taxonomy, c...

2007
DAVID JAMES HARRIS

Harris, D. J.: Molecular systematics and evolution of lacertid lizards. Nat. Croat., Vol. 8, No. 3., 161–180, 1999, Zagreb. In recent years there has been an exponential increase in the amount of published DNA sequences, as it has become one of the most popular sources of data for reconstructing phylogenies. A number of studies have attempted to resolve the relationships of groups of lacertids ...

2017
Mark A. Clements

Molecular systematic research, using DNA sequences of the internal transcribed spacer (ITS) region of the 18-26S nuclear ribosomal repeat unit, was conducted on a broadly representative sample of the tribe Dendrobieae. The results provide independent support, in addition to evidence from plastid DNA analysis and morphology, for the phylogenetic reassessment of the taxon. At a broad level, Dendr...

Journal: :The Journal of parasitology 2001
K P Johnson R J Adams D H Clayton

The higher level phylogenetic relationships within the avian feather lice (Insecta: Phthiraptera: Ischnocera) are extremely problematic. Here we investigate the relationships of 1 family (Goniodidae), sometimes recognized as distinct within Ischnocera, using parsimony and likelihood analyses of nuclear and mitochondrial DNA sequences. These data support monophyly for a restricted definition of ...

Journal: :Current Biology 1999
Michael M. Miyamoto

Short interspersed repetitive elements - SINEs - are being championed as near-perfect phylogenetic characters; they have recently been used with notable success to resolve some phylogenetic conundrums, but they do have certain limitations that restrict their use as 'perfect' characters for molecular systematics.

2009
S. Suetrong C.L. Schoch J.W. Spatafora J. Kohlmeyer B. Volkmann-Kohlmeyer J. Sakayaroj S. Phongpaichit K. Tanaka K. Hirayama E.B.G. Jones

Phylogenetic analyses of four nuclear genes, namely the large and small subunits of the nuclear ribosomal RNA, transcription elongation factor 1-alpha and the second largest RNA polymerase II subunit, established that the ecological group of marine bitunicate ascomycetes has representatives in the orders Capnodiales, Hysteriales, Jahnulales, Mytilinidiales, Patellariales and Pleosporales. Most ...

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