Results 21 to 30 of about 84,791 (258)

Evidence-Based Taxonomy: Labels as Illocutionary Acts

open access: yesTaxonomy, 2022
Concepts in science have an important role: They delimit and specify objects, activities, processes, and abstract entities. When terms are diffuse, mean different things to different persons, and lead more to qualifications than demarcation, they cease ...
Antonio G. Valdecasas   +3 more
doaj   +1 more source

Genetic diversity of the Pegu Rice Frog, Microhyla berdmorei (Anura: Microhylidae) based on mitochondrial DNA

open access: yesMitochondrial DNA. Part B. Resources, 2021
The Pegu Rice Frog, Microhyla berdmorei is distributed across ten Asian countries. However, the DNA barcoding information (COI gene) is restricted to only Southeast Asian countries. Here, we sampled a specimen of M.
Shantanu Kundu   +7 more
doaj   +1 more source

Synopsis of Ecuadorian Pterichis (Orchidaceae) [PDF]

open access: yesPeerJ, 2021
A taxonomic synopsis of the orchid genus Pterichis in Ecuador is presented. All national representatives of this genus are characterized and their floral segments are illustrated. Four new species and two new varieties are described.
Marta Kolanowska   +2 more
doaj   +2 more sources

Characters evolution of Encyclia (Laeliinae-Orchidaceae) reveals a complex pattern not phylogenetically determined: insights from macro- and micromorphology

open access: yesBMC Plant Biology, 2023
Encyclia is the second-largest genus in the neotropical subtribe Laeliinae (Orchidaceae) and has more than 150 species, which are characterized by fairly consistent flower morphology.
Monika M. Lipińska   +7 more
doaj   +1 more source

The Taxonomy and Biology of Phytophthora and Pythium [PDF]

open access: yesJournal of Bacteriology & Mycology: Open Access, 2018
The genera Phytophthora and Pythium include many economically important species which have been placed in Kingdom Chromista or Kingdom Straminipila distinct from Kingdom Fungi Their taxonomic problems basic biology and economic importance have been reviewed Morphologically both genera are very similar in having coenocytic hyaline and freely ...
openaire   +1 more source

Gut microbiome and aging—A dynamic interplay of microbes, metabolites, and the immune system

open access: yesFEBS Letters, EarlyView.
Age‐dependent shifts in microbial communities engender shifts in microbial metabolite profiles. These in turn drive shifts in barrier surface permeability of the gut and brain and induce immune activation. When paired with preexisting age‐related chronic inflammation this increases the risk of neuroinflammation and neurodegenerative diseases.
Aaron Mehl, Eran Blacher
wiley   +1 more source

Evolution of morphological traits of Dendrobium sensu lato (Orchidaceae)—an attempt to resolve phylogenetic relationships in nominal and morphologically convergent sections

open access: yesBMC Plant Biology
Background Dendrobium is a large genus within the Orchidaceae family, containing over 1,600 species. Most are sympodial epiphytes. These species are distributed throughout southern, eastern, and southeastern Asia, the Pacific Islands, Australia, New ...
Aleksandra Burzacka-Hinz   +4 more
doaj   +1 more source

A review of the bacular morphology of some Indian bats (Mammalia: Chiroptera)

open access: yesJournal of Threatened Taxa, 2020
Bacular studies play a significant role in the case of bats and other mammals since it is considered an important taxon-specific character, thus helping in species discrimination.
Bhargavi Srinivasulu   +6 more
doaj   +1 more source

The human gut microbiome across the life course

open access: yesFEBS Letters, EarlyView.
Despite significant individual variation and continuous change throughout life, the human gut microbiome follows some life stage‐specific trends. This article provides a brief overview of how gut microbiome composition shifts across different phases of life. Created in BioRender. Özkurt, E. (2026) https://BioRender.com/8q4nrnc.
Alise J. Ponsero   +4 more
wiley   +1 more source

Three phosphatase families form a community: The phosphohydrolases that act upon inositol pyrophosphates

open access: yesFEBS Letters, EarlyView.
Inositol pyrophosphates are energy‐rich signaling molecules that perform critical functions in cells. Three different families of phosphatases hydrolyze the β phosphate of the inositol pyrophosphate molecules: two have narrow specificities and one is promiscuous.
Ronda J. Rolfes
wiley   +1 more source

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