Results 111 to 120 of about 230,793 (360)
Antibacterial Siderophores of Pandoraea Pathogens and Their Impact on the Diseased Lung Microbiota
Angewandte Chemie, EarlyView.Genome mining of environmental and pathogenic Pandoraea species identified a conserved NRPS gene cluster and led to the discovery of novel siderophores, pandorabactins, which exert their antibacterial activity by depleting iron from competitors. Bioinformatic analysis of sputum from cystic fibrosis patients coupled with bioassays indicates that ...
Elena Herzog +8 more
wiley +2 more sources
Clades and clans: a comparison study of two evolutionary models [PDF]
arXiv, 2014 The Yule-Harding-Kingman (YHK) model and the proportional to distinguishable arrangements (PDA) model are two binary tree generating models that are widely used in evolutionary biology. Understanding the distributions of clade sizes under these two models provides valuable insights into macro-evolutionary processes, and is important in hypothesis ...
arxiv
Efficient Semantic Image Synthesis via Class-Adaptive Normalization [PDF]
arXiv, 2020 Spatially-adaptive normalization (SPADE) is remarkably successful recently in conditional semantic image synthesis \cite{park2019semantic}, which modulates the normalized activation with spatially-varying transformations learned from semantic layouts, to prevent the semantic information from being washed away. Despite its impressive performance, a more
arxiv
Proceedings of the National Academy of Sciences of the United States of America, 2016 Significance Despite the importance of sociality in the evolutionary history of life, its molecular basis is still poorly understood. The role of novel genes vs. conserved genes is particularly hotly debated.
S. McKenzie +3 more
semanticscholar +1 more source
Comparing the effects of symbiotic algae (Symbiodinium) clades C1 and D on early growth stages of Acropora tenuis. [PDF]
PLoS ONE, 2014 Reef-building corals switch endosymbiotic algae of the genus Symbiodinium during their early growth stages and during bleaching events. Clade C Symbiodinium algae are dominant in corals, although other clades - including A and D - have also been commonly
Ikuko Yuyama, Tomihiko Higuchi
doaj +1 more source
Epidemiological and evolutionary analysis of the 2014 Ebola virus outbreak [PDF]
arXiv, 2014 The 2014 epidemic of the Ebola virus is governed by a genetically diverse viral population. In the early Sierra Leone outbreak, a recent study has identified new mutations that generate genetically distinct sequence clades. Here we find evidence that major Sierra Leone clades have systematic differences in growth rate and reproduction number.
arxiv
FEMS Microbiology Ecology, 2016 Methanogenic Thermoplasmata of the novel order Methanomassiliicoccales were recently discovered in human and animal gastro-intestinal tracts (GITs). However, their distribution in other methanogenic environments has not been addressed systematically ...
Andrea Söllinger +6 more
semanticscholar +1 more source
Grass functional traits reflect the long history of fire and grazers in the savannas of Texas
American Journal of Botany, EarlyView.Abstract Premise Understanding relationships among grass traits, fire, and herbivores may help improve conservation strategies for savannas that are threatened by novel disturbance regimes. Emerging theory, developed in Africa, emphasizes that functional traits of savanna grasses reflect the distinct ways that fire and grazers consume biomass ...
Ashish N. Nerlekar +2 more
wiley +1 more source
Non-equilibrium evolution of volatility in origination and extinction explains fat-tailed fluctuations in Phanerozoic biodiversity [PDF]
arXiv, 2017 Fluctuations in biodiversity, large and small, are pervasive in the fossil record, yet we do not understand the processes generating them. Here we extend theory from non-equilibrium statistical physics to describe the previously unaccounted for fat-tailed form of fluctuations in marine invertebrate richness through the Phanerozoic.
arxiv
PLoS Pathogens, 2016 The development of biomedical interventions to reduce acquisition of HIV-1 infection remains a global priority, however their potential effectiveness is challenged by very high HIV-1 envelope diversity.
Cecilia Rademeyer +41 more
semanticscholar +1 more source