Results 161 to 170 of about 45,343 (323)
Phylogenomics and the evolution of hemipteroid insects
Proceedings of the National Academy of Sciences of the United States of America, 2018 Significance Hemipteroid insects constitute a major fraction of insect diversity, comprising three orders and over 120,000 described species. We used a comprehensive sample of the diversity of this group involving 193 genome-scale datasets and sequences ...
K. Johnson +26 more
semanticscholar +1 more source
Plant Biotechnology Journal, EarlyView.ABSTRACT Cold stress adversely affects plant growth and development, significantly limiting fruit yield and quality in citrus. Ichang papeda (Citrus ichangensis), a cold‐tolerant citrus species, serves as a valuable genetic resource for studying cold adaptation, yet the key genes and their modes of action underlying the cold stress response remain ...
Jing Qu +6 more
wiley +1 more source
Phylogenomics reveals multiple losses of nitrogen-fixing root nodule symbiosis
Science, 2018 Genomic traces of symbiosis loss A symbiosis between certain bacteria and their plant hosts delivers fixed nitrogen to the plants. Griesmann et al. sequenced several plant genomes to analyze why nitrogen-fixing symbiosis is irregularly scattered through ...
Maximilian Griesmann +41 more
semanticscholar +1 more source
Transposable Element‐Mediated Structural Variation Drives Flower Colour Diversification in Camellia
Plant Biotechnology Journal, EarlyView.ABSTRACT The role of transposable elements (TEs) in genome evolution and phenotypic diversification in Camellia remains poorly understood. Here, we present an integrated analysis of genome resequencing data from 237 Camellia accessions and 11 de novo genome assemblies representing all major floral colour types.
Menglong Fan +5 more
wiley +1 more source
Phylogenomic Models from Tree Symmetries
SIAM Journal on Applied Algebra and GeometryA model of genomic sequence evolution on a species tree should include not only a sequence substitution process, but also a coalescent process, since different sites may evolve on different gene trees due to incomplete lineage sorting. Chifman and Kubatko initiated the study of such models, leading to the development of the SVDquartets methods of ...
Elizabeth S. Allman +2 more
openaire +4 more sources
Exploring the genetic diversity of the IPK Medicago germplasm collection using GBS
Plant Biology, EarlyView.Genotyping‐by‐sequencing of 1234 accessions from the Medicago collection of the Leibniz Institute of Plant Genetics and Crop Plant Research (IPK) revealed broad genetic diversity across 40 species, providing one of the first genus‐wide insights into relationships between both cultivated and wild species of Medicago.
N. Devabhakthini +6 more
wiley +1 more source
Hypothesis testing near singularities and boundaries
, 2018 The likelihood ratio statistic, with its asymptotic $\chi^2$ distribution at regular model points, is often used for hypothesis testing. At model singularities and boundaries, however, the asymptotic distribution may not be $\chi^2$, as highlighted by ...
Allman, Elizabeth S. +2 more
core +1 more source
Functional Classification Using Phylogenomic Inference
PLoS Computational Biology, 2006 Phylogenomic inference of protein (or gene) function attempts to address the question, “What function does this protein perform?” in an evolutionary context. As originally outlined by Jonathan Eisen [1–3], phylogenomic inference of protein function is a multistep process involving selection of homologs, multiple sequence alignment (MSA), and ...
Duncan Brown, Kimmen Sjölander
openaire +4 more sources
Zoologica Scripta, EarlyView.ABSTRACT In recent years, a wide array of tools originally developed for molecular dating analyses has been adapted for use within a morphological clock perspective. This is of paramount relevance for taxonomic groups that cannot be sampled in forms suitable for DNA extraction.
Anderson Lepeco +2 more
wiley +1 more source