Results 31 to 40 of about 7,203 (204)

Boric acid transport activity of marine teleost aquaporins expressed in Xenopus oocytes

open access: yesPhysiological Reports, 2023
Marine teleosts ingest large amounts of seawater containing various ions, including 0.4 mM boric acid, which can accumulate at toxic levels in the body. However, the molecular mechanisms by which marine teleosts absorb and excrete boric acid are not well
Shiori Kumagai   +15 more
doaj   +1 more source

Investigating diet as the source of tetrodotoxin in Pleurobranchaea maculata [PDF]

open access: yes, 2014
The origin of tetrodotoxin (TTX) is highly debated; researchers have postulated either an endogenous or exogenous source with the host accumulating TTX symbiotically or via food chain transmission.
Adamson, Janet E.   +6 more
core   +2 more sources

No evidence for a culturable bacterial tetrodotoxin producer in Pleurobranchaea maculata (Gastropoda: Pleurobranchidae) and Stylochoplana sp. (Platyhelminthes: Polycladida) [PDF]

open access: yes, 2015
Tetrodotoxin (TTX) is a potent neurotoxin found in the tissues of many taxonomically diverse organisms. Its origin has been the topic of much debate, with suggestions including endogenous production, acquisition through diet, and symbiotic bacterial ...
Cary, S. Craig   +3 more
core   +3 more sources

Tetraodon genome confirms Takifugu findings : most fish are ancient polyploids [PDF]

open access: yes, 2004
An evolutionary hypothesis suggested by studies of the genome of the tiger pufferfish Takifugu rubripes has now been confirmed by comparison with the genome of a close relative, the spotted green pufferfish Tetraodon nigroviridis.
Van de Peer, Yves
core   +1 more source

Intracellular immunohistochemical detection of tetrodotoxin in Pleurobranchaea maculata (Gastropoda) and Stylochoplana sp. (Turbellaria) [PDF]

open access: yes, 2015
Tetrodotoxin (TTX), is a potent neurotoxin targeting sodium channels that has been identified in multiple marine and terrestrial organisms. It was recently detected in the Opisthobranch Pleurobranchaea maculata and a Platyhelminthes Stylochoplana sp ...
Cary, S. Craig   +3 more
core   +3 more sources

Evolution of pigment synthesis pathways by gene and genome duplication in fish [PDF]

open access: yes, 2007
Background Coloration and color patterning belong to the most diverse phenotypic traits in animals. Particularly, teleost fishes possess more pigment cell types than any other group of vertebrates.
Ingo Braasch   +2 more
core   +1 more source

Characterization and expression analysis of the complement component 8β from pufferfish (Takifugu rubripes)

open access: yesAquaculture Reports, 2021
Complement 8β (C8β) is a critical component in the complement system, which mediates bacterial lysis and acts as an essential molecule for membrane attack complex (MAC) formation.
Yu-qing Xia   +4 more
doaj   +1 more source

Structural basis of template-boundary definition in Tetrahymena telomerase. [PDF]

open access: yes, 2015
Telomerase is required to maintain repetitive G-rich telomeric DNA sequences at chromosome ends. To do so, the telomerase reverse transcriptase (TERT) subunit reiteratively uses a small region of the integral telomerase RNA (TER) as a template.
Akiyama, Ben M   +5 more
core   +2 more sources

Short and long peptidoglycan recognition proteins (PGRPs) in zebrafish, with findings of multiple PGRP homologs in teleost fish [PDF]

open access: yes, 2007
Peptidoglycan recognition protein (PGRP) specifically binds to peptidoglycan and is considered to be one of the pattern recognition proteins in the innate immunity of insect and mammals. Using a database mining approach and RT-PCR, multiple peptidoglycan
Chang, M. X.   +3 more
core   +1 more source

Fractal fluctuations and statistical normal distribution [PDF]

open access: yes, 2009
Dynamical systems in nature exhibit self-similar fractal fluctuations and the corresponding power spectra follow inverse power law form signifying long-range space-time correlations identified as self-organized criticality.
Selvam, AM
core   +1 more source

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