Negative correlation between rates of molecular evolution and flowering cycles in temperate woody bamboos revealed by plastid phylogenomics
نویسندگان
چکیده
منابع مشابه
Phylogenetics, systematics and evolution of the temperate woody bamboos with an emphasis on the Kuruna clade
The subfamily Bambusoideae (bamboos) is one of 12 subfamilies in Poaceae (grass family) and is primarily associated with forest habitats. Bambusoideae, which include nearly 1,500 species worldwide, is classified into two tribes of woody bamboos (the tropical Bambuseae and the temperate Arundinarieae) and one tribe of herbaceous bamboos (the Olyreae). The Arundinarieae, with ca. 550 species, is ...
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Adaptive evolution in humans revealed by the negative correlation between the polymorphism and fixation phases of evolution.
The selective forces acting on amino acid substitutions may be different in the two phases of molecular evolution: polymorphism and fixation. Negative selection and genetic drift may dominate the first phase, whereas positive selection may become much more significant in the second phase. However, the conventional dichotomy of synonymous vs. nonsynonymous changes does not offer the resolution n...
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BACKGROUND Bambusoideae is the only subfamily that contains woody members in the grass family, Poaceae. In phylogenetic analyses, Bambusoideae, Pooideae and Ehrhartoideae formed the BEP clade, yet the internal relationships of this clade are controversial. The distinctive life history (infrequent flowering and predominance of asexual reproduction) of woody bamboos makes them an interesting but ...
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We provide in this chapter an overview of the basic steps to reconstruct evolutionary relationships through standard phylogeny estimation approaches as well as network approaches for sequences more closely related. We discuss the importance of sequence alignment, selecting models of evolution, and confidence assessment in phylogenetic inference. We also introduce the reader to a variety of soft...
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ژورنال
عنوان ژورنال: BMC Plant Biology
سال: 2017
ISSN: 1471-2229
DOI: 10.1186/s12870-017-1199-8