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(cryptic)
17,831 results
  • The evolution of strong reproductive isolation between sympatric intertidal snails. [Journal Article]
    Philos Trans R Soc Lond B Biol Sci. 2020 Aug 31; 375(1806):20190545.Stankowski S, Westram AM, … Butlin RK
  • The evolution of strong reproductive isolation (RI) is fundamental to the origins and maintenance of biological diversity, especially in situations where geographical distributions of taxa broadly overlap. But what is the history behind strong barriers currently acting in sympatry? Using whole-genome sequencing and single nucleotide polymorphism genotyping, we inferred (i) the evolutionary relati…
  • Revised Taxonomy and Expanded Biodiversity of the Phytomyxea (Rhizaria, Endomyxa). [Journal Article]
    J Eukaryot Microbiol. 2020 Jul 12 [Online ahead of print]Hittorf M, Letsch-Praxmarer S, … Neuhauser S
  • Phytomyxea (phytomyxids) is a group of obligate biotrophic pathogens belonging to the Rhizaria. Some phytomyxids are well studied and include known plant pathogens such as Plasmodiophora brassicae, the causal agent of clubroot disease. Despite this economic importance the taxonomy and biodiversity of this group is largely cryptic, with many species described in the pre-molecular area. Some of the…
  • Evolutionary biogeography of the reef-building coral genus Galaxea across the Indo-Pacific ocean. [Journal Article]
    Mol Phylogenet Evol. 2020 Jul 08 [Online ahead of print]Wepfer PH, Nakajima Y, … Mitarai S
  • Stony corals (Scleractinia) form the basis for some of the most diverse ecosytems on Earth, but we have much to learn about their evolutionary history and systematic relationships. In order to improve our understanding of species in corals we here investigated phylogenetic relationships between morphologically defined species and genetic lineages in the genus Galaxea (Euphyllidae) using a combine…
  • How to resolve cryptic species of polypores: an example in Fomes. [Journal Article]
    IMA Fungus. 2019; 10:17.Peintner U, Kuhnert-Finkernagel R, … Perini C
  • Species that cannot be easily distinguished based on morphology, but which form distinct phylogenetic lineages based on molecular markers, are often referred to as cryptic species. They have been proposed in a number of fungal genera, including the basidiomycete genus Fomes. The main aim of this work was to test new methods for species delimitation in cryptic lineages of polypores, and to define …
  • Deciphering and predicting CD4+ T cell immunodominance of influenza virus hemagglutinin. [Journal Article]
    J Exp Med. 2020 Oct 05; 217(10)Cassotta A, Paparoditis P, … Sallusto F
  • The importance of CD4+ T helper (Th) cells is well appreciated in view of their essential role in the elicitation of antibody and cytotoxic T cell responses. However, the mechanisms that determine the selection of immunodominant epitopes within complex protein antigens remain elusive. Here, we used ex vivo stimulation of memory T cells and screening of naive and memory T cell libraries, combined …
  • Overview of Schistochilopsis (Hepaticae) in Pacific Asia with the Description Protochilopsisgen. nov. [Journal Article]
    Plants (Basel). 2020 Jul 06; 9(7)Bakalin VA, Fedosov VE, … Troitsky AV
  • The taxonomic diversity center of Schistochilopsis is in East Asia, where the genus also shows the highest genetic diversity and morphological plasticity. The integrative survey of Schistochilopsis in East Asia was the main goal of the present account. Plant materials were obtained from recent collections made by authors in various parts of amphi-Pacific Asia; several types of specimens were also…
  • Citizen Scientists Create an Exascale Computer to Combat COVID-19. [Preprint]
    bioRxiv. 2020 Jun 28Zimmerman MI, Porter JR, … Bowman GR
  • The SARS-CoV-2/COVID-19 pandemic continues to threaten global health and socioeconomic stability. Experiments have revealed snapshots of many of the viral components but remain blind to moving parts of these molecular machines. To capture these essential processes, over a million citizen scientists have banded together through the Folding@home distributed computing project to create the world's f…
  • A pH-dependent switch mediates conformational masking of SARS-CoV-2 spike. [Preprint]
    bioRxiv. 2020 Jul 04Zhou T, Tsybovsky Y, … Kwong PD
  • SARS-CoV-2 has emerged as a global pathogen, sparking urgent vaccine development efforts with the trimeric spike. However, the inability of antibodies like CR3022, which binds a cryptic spike epitope with nanomolar affinity, to neutralize virus, suggests a spike-based means of neutralization escape. Here, we show the SARS-CoV-2 spike to have 10% the unfolding enthalpy of a globular protein at phy…
  • Plant-parasitic nematodes associated with sugarcane in Kilimanjaro, Tanzania. [Journal Article]
    J Nematol. 2020; 52:1-17.Singh PR, Kashando BE, … Bert W
  • Morphological and molecular analyses of plant-parasitic nematodes (PPN) from 12 sugarcane plantation sites of Tanganyika Planting Company (TPC) Limited in Kilimanjaro region of Tanzania revealed the presence of six PPN genera, i.e. Helicotylenchus, Hemicycliophora, Pratylenchus, Rotylenchulus, Scutellonema, and Tylenchorhynchus. The genera with the highest densities and present in virtually all s…
  • Pest categorisation of non-EU viruses of Rubus L. [Journal Article]
    EFSA J. 2020 Jan; 18(1):e05928.EFSA Panel on Plant Health (PLH), Bragard C, … Rubino L
  • The Panel on Plant Health of EFSA conducted a pest categorisation of 17 viruses of Rubus L. that were previously classified as either non-EU or of undetermined standing in a previous opinion. These infectious agents belong to different genera and are heterogeneous in their biology. Blackberry virus X, blackberry virus Z and wineberry latent virus were not categorised because of lack of informatio…
  • Pest categorisation of non-EU viruses of Fragaria L. [Journal Article]
    EFSA J. 2019 Sep; 17(9):e05766.EFSA Panel on Plant Health (PLH), Bragard C, … Rubino L
  • Following a request from the EU Commission, the Panel on Plant Health addressed the pest categorisation of the viruses and viroids of Fragaria L. determined as being either non-EU or of undetermined standing in a previous EFSA opinion. These infectious agents belong to different genera and are heterogeneous in their biology. With the exclusion of strawberry latent virus and strawberry latent C vi…
  • Pest categorisation of non-EU viruses and viroids of Vitis L. [Journal Article]
    EFSA J. 2019 Sep; 17(9):e05669.EFSA Panel on Plant Health (EFSA PLH Panel), Bragard C, … Rubino L
  • Following a request from the EU Commission, the Panel on Plant Health addressed the pest categorisation of the viruses and viroids of Vitis L. determined as being either non-EU or of undetermined standing in a previous EFSA opinion. These infectious agents belong to different genera and are heterogeneous in their biology. With the exclusion of grapevine virus 101-14.N.23.9.1/South Africa/2009 for…
  • Pest categorisation of non-EU viruses and viroids of Cydonia Mill., Malus Mill. and Pyrus L. [Journal Article]
    EFSA J. 2019 Sep; 17(9):e05590.EFSA Panel on Plant Health (PLH), Bragard C, … Rubino L
  • Following a request from the EU Commission, the Panel on Plant Health performed a pest categorisation of 17 viruses and viroids, herein called viruses, of Cydonia Mill., Malus Mill. and Pyrus L. determined as being either non-EU or of undetermined standing in a previous EFSA opinion. These viruses belong to different genera and are heterogeneous in their biology. They can be detected by available…
  • CRISPR-based curing and analysis of metabolic burden of cryptic plasmids in Escherichia coli Nissle 1917. [Journal Article]
    Eng Life Sci. 2019 Jun; 19(6):478-485.Zainuddin HS, Bai Y, Mansell TJ
  • E. coli Nissle 1917 (EcN) has long been used as an over-the-counter probiotic and has shown potential to be used as a live biotherapeutic. It contains two stably replicating cryptic plasmids, pMUT1, and pMUT2, the function of which is unclear but the presence of which may increase the metabolic burden on the cell, particularly in the context of added recombinant plasmids. In this work, we present…
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