Results 11 to 20 of about 238,485 (256)
Phylogenetic diversity of the Rickettsiae [PDF]
Journal of Bacteriology, 1989 Small subunit rRNA sequences have been determined for representative strains of six species of the family Rickettsiaceae: Rickettsia rickettsii, Rickettsia prowazekii, Rickettsia typhi, Coxiella burnetii, Ehrlichia risticii, and Wolbachia persica. The relationships among these sequences and those of other eubacteria show that all members of the family ...
W G, Weisburg +9 more
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Phylogenetic Diversity within Seconds [PDF]
Systematic Biology, 2006 We consider a (phylogenetic) tree with n labeled leaves, the taxa, and a length for each branch in the tree. For any subset of k taxa, the phylogenetic diversity is defined as the sum of the branch-lengths of the minimal subtree connecting the taxa in the subset.
Minh, BQ +2 more
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The interactive effects of environmental gradient and dispersal shape spatial phylogenetic patterns
Frontiers in Ecology and Evolution, 2022 IntroductionThe emergence and maintenance of biodiversity include interacting environmental conditions, organismal adaptation to such conditions, and dispersal.
Yun-Ting Jang +4 more
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Taxonomic, functional, and phylogenetic beta diversity in the Inner Mongolia grassland
Global Ecology and Conservation, 2021 Beta diversity, which measures the variation in community composition along environmental gradients, has great significance for biodiversity conservation and nature reserve construction.
Fengshi Li +4 more
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Abundance-weighted phylogenetic diversity measures distinguish microbial community states and are robust to sampling depth [PDF]
PeerJ, 2013 In microbial ecology studies, the most commonly used ways of investigating alpha (within-sample) diversity are either to apply non-phylogenetic measures such as Simpson’s index to Operational Taxonomic Unit (OTU) groupings, or to use classical ...
Connor O. McCoy, Frederick A. Matsen IV
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Phylogenetic diversity and biodiversity indices on phylogenetic networks [PDF]
Mathematical Biosciences, 2018 In biodiversity conservation it is often necessary to prioritize the species to conserve. Existing approaches to prioritization, e.g. the Fair Proportion Index and the Shapley Value, are based on phylogenetic trees and rank species according to their contribution to overall phylogenetic diversity.
Kristina Wicke, Mareike Fischer
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Global Ecology and Conservation, 2021 Phylogenetic diversity is a biodiversity measurement that describes the amount of evolutionary history contained by the taxonomic units in a region. It has proven to be an important metric for determining conservation priorities.
Maria A. Aguilar-Tomasini +2 more
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Phylogenetic diversity of nonmarine picocyanobacteria [PDF]
FEMS Microbiology Ecology, 2013 We studied the phylogenetic diversity of nonmarine picocyanobacteria broadening the sequence data set with 43 new sequences of the 16S rRNA gene. The sequences were derived from monoclonal strains isolated from four volcanic high-altitude athalassohaline lakes in Mexico, five glacial ultraoligotrophic North Patagonian lakes and six Italian lakes of ...
Cristiana Callieri +6 more
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The phylogenetic diversity of eukaryotic transcription [PDF]
Nucleic Acids Research, 2003 Eukaryotic transcription is a highly regulated process involving interactions between large numbers of proteins. To analyse the phylogenetic distribution of the components of this process, six crown eukaryote group genomes were queried with a reference set of transcription-associated (TA) proteins.
Coulson, R M R, Ouzounis, C A
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Frontiers in Forests and Global Change, 2021 Biodiversity can be quantified by taxonomic, phylogenetic, and functional diversity. Current evidence points to a lack of congruence between the spatial distribution of these facets due to evolutionary and ecological constraints.
Cintia Freitas +7 more
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