Results 151 to 160 of about 230,793 (360)
On the Interpretation of Bootstrap Trees: Appropriate Threshold of Clade Selection and Induced Gain [PDF]
, 1996 Vincent Berry, Olivier Gascuel
openalex +1 more source
, 2015 Phytophthora Clade 5 is a very poorly studied group of species of oomycete chromists, consisting of only two known species P. castaneae (≡ P. katsurae, nom. illegit .) and P. heveae with most isolates from East Asia and the Pacific Islands.
Bevan Simon Weir +6 more
semanticscholar +1 more source
Novel Versus Unsupported Clades: Assessing the Qualitative Support for Clades in MRP Supertrees [PDF]
Systematic Biology, 2003 Matrix representation with parsimony (MRP) supertree construction has been criticized because the supertree may specify clades that are contradicted by every source tree contributing to it. Such unsupported clades may also occur using other supertree methods; however, their incidence is largely unknown.
openaire +3 more sources
Applications in Plant Sciences, EarlyView.Abstract Premise The importance of natural history collections in modern ecological and genetic research cannot be overstated. Herbarium specimens provide historical information that can be used to investigate community ecology, phenology, and population genetics. In this study, environmental DNA (eDNA) metabarcoding and next‐generation sequencing were
Christopher Waters +2 more
wiley +1 more source
Acid digestion and symbiont: Proton sharing at the origin of mitochondriogenesis?
BioEssays, Volume 45, Issue 1, January 2023., 2023 ADMit hypothesis for the origin of eukaryotes. A bacterial symbiont became associated with a protophagocytic host that captured prey with membrane processes. The symbiont cooperated to kill and digest the prey with reactive oxygen species and the acidification of the microenvironment.
Mario Mencía
wiley +1 more source
The generalized Robinson-Foulds metric [PDF]
arXiv, 2013 The Robinson-Foulds (RF) metric is arguably the most widely used measure of phylogenetic tree similarity, despite its well-known shortcomings: For example, moving a single taxon in a tree can result in a tree that has maximum distance to the original one; but the two trees are identical if we remove the single taxon.
arxiv
More DNA support for a Cetacea/Hippopotamidae clade: the blood-clotting protein gene gamma-fibrinogen [PDF]
, 1997 John Gatesy
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A new spin on chemotaxonomy: Using non‐proteogenic amino acids as a test case
Applications in Plant Sciences, EarlyView.Abstract Premise Specialized metabolites serve various roles for plants and humans. Unlike core metabolites, specialized metabolites are restricted to certain plant lineages; thus, in addition to their ecological functions, specialized metabolites can serve as diagnostic markers of plant lineages.
Makenzie Gibson +4 more
wiley +1 more source
Endosymbiotic ratchet accelerates divergence after organelle origin
BioEssays, Volume 45, Issue 1, January 2023., 2023 Primary endosymbiosis gave rise to mitochondria and plastids. The proximate impacts of organelle origin on lineage evolution have not been addressed at the population level. Using data from the photosynthetic amoeba Paulinella, we hypothesize that primary endosymbiosis accelerates lineage divergence, a process we refer to as the endosymbiotic ratchet ...
Debashish Bhattacharya +3 more
wiley +1 more source
Asymptotics of the minimal clade size and related functionals of certain beta-coalescents [PDF]
arXiv, 2013 This article shows the asymptotics of distributions of various functionals of the Beta$(2-\alpha,\alpha)$ $n$-coalescent process with $1<\alpha<2$ when $n$ goes to infinity. This process is a Markov process taking {values} in the set of partitions of $\{1, \dots, n\}$, evolving from the intial value $\{1\},\cdots, \{n\}$ by merging (coalescing) blocks ...
arxiv