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ULTIMO AGGIORNAMENTO BANCA DATI: 13/09/2024 13:00:57

Gene-centromere mapping in meiotic gynogenetic European seabass

Background Fully isogenic lines in fish can be developed using “mitotic” gynogenesis (suppression of first zygotic mitosis following inactivation of the sperm genome). However, genome-wide verification of the steps in this process has seldom been applied. We used ddRADseq to generate SNP markers in ...

Global gene expression in muscle from fasted/refed trout reveals up-regulation of genes promoting myofibre hypertrophy but not myofibre production

Background Compensatory growth is a phase of rapid growth, greater than the growth rate of control animals, that occurs after a period of growth-stunting conditions. Fish show a capacity for compensatory growth after alleviation of dietary restriction, but the underlying cellular mechanisms are unknown. ...

Zebrafish models for functional and toxicological screening of nanoscale drug delivery systems: promoting preclinical applications

Preclinical screening with animal models is an important initial step in clinical translation of new drug delivery systems. However, establishing efficacy, biodistribution, and biotoxicity of complex, multicomponent systems in small animal models can be expensive and time-consuming. Zebrafish models ...

Variation in growth rates of branching corals along Australia’s Great Barrier Reef

Coral growth is an important component of reef health and resilience. However, few studies have investigated temporal and/or spatial variation in growth of branching corals, which are important contributors to the structure and function of reef habitats. This study assessed growth (linear extension, ...

Application of environmental DNA to detect an endangered marine skate species in the wild

Environmental DNA (eDNA) techniques have only recently been applied in the marine environment to detect the presence of marine species. Species-specific primers and probes were designed to detect the eDNA of the endangered Maugean skate (Zearaja maugeana) from as little as 1 L of water collected at ...

Shift in tuna catches due to ocean warming

Ocean warming is already affecting global fisheries with an increasing dominance of catches of warmer water species at higher latitudes and lower catches of tropical and subtropical species in the tropics. Tuna distributions are highly conditioned by sea temperature, for this reason and their worldwide ...

Emergence Time and Skin Melanin Spot Patterns Do Not Correlate with Growth Performance, Social Competitive Ability or Stress Response in Farmed Rainbow Trout

In wild salmonid fish, specific individual behavioral traits have been correlated with the timing of fry emergence from their gravel spawning nests; Early emerging fish display more aggressive behavior and have a higher probability of becoming socially dominant, compared to fish that emerge at a later ...

Flaked fish analogs and methods for making such analogs

The invention provides flaked fish analogs comprising from about from about 18 to about 25% protein, from about 3 to about 9% fat, and from about 60 to about 85% moisture. The compositions have a realistic fish-like appearance and texture, mostly due to the presence of “flakes” that mimic the flakes ...

Vessel characteristic estimation device and automatic steering device

To easily grasp a relationship of parameter values which influence a log velocity of a ship, with the log velocity of the ship caused by the parameters, a ship characteristic estimating device (9b) is provided, which includes a data output unit (6) configured to output a plurality of parameter data ...

Fishing rod

One object is to provide a fishing rod (1) that prevents peeling of UV curable resin layers on outer surfaces of poles having various curvatures. In accordance with one aspect, the fishing rod includes a pole (A, B) having an outer diameter of 25 mm or less, the pole having a base (20) and a UV curable ...

Spinning reel spool and spinning reel

The present invention relates to a spool 4 for a spinning reel being mountable on a spool shaft 15. The spool 4 includes a spool body 42 that rotates with respect to the spool shaft 15. The spool 4 also includes a drag mechanism 43 between the spool body 42 and the spool shaft 15 to apply a braking ...

Dry glassy composition comprising a bioactive material

The present invention relates to formulations and methods for stabilizing and protecting of biologic materials during harsh storing and use conditions, wherein the formulations relate to embedded bioactive materials and biologics, including live bacteria, in a protective glassy matrix.

Method for separating hatched artemia from their winter eggs, and separator for artemia winter eggs

A method for separating hatched and / or hatched Artemia permanent eggs (4) of already hatched Artemia (14), in particular Artemia salina, by means of a separator (1, 1a, 1b), includes the following steps: - fixing non-hatched Artemia permanent eggs (4) in or on the separator (1, 1a, 1b), - at least ...

Analysis of complete genome sequence and major surface antigens of Neorickettsia helminthoeca, causative agent of salmon poisoning disease

Summary Neorickettsia helminthoeca, a type species of the genus Neorickettsia, is an endosymbiont of digenetic trematodes of veterinary importance. Upon ingestion of salmonid fish parasitized with infected trematodes, canids develop salmon poisoning disease ( SPD), an acute febrile illness that is ...

Microarray expression profiling in the denervated hippocampus identifies long noncoding RNAs functionally involved in neurogenesis

Background The denervated hippocampus provides a proper microenvironment for the survival and neuronal differentiation of neural progenitors. While thousands of lncRNAs were identified, only a few lncRNAs that regulate neurogenesis in the hippocampus are reported. The present study aimed to perform ...

Molecular diagnosis of Pseudoterranova decipiens s.s in human, France

Background Anisakis and Pseudoterranova are the main genera involved in human infections caused by nematodes of the Anisakidae family. Species identification is complicated due to the lack of differential morphological characteristics at the larval stage, thus requiring molecular differentiation. Pseudoterranova ...

Wandering behaviour prevents inter and intra oceanic speciation in a coastal pelagic fish

Small pelagic fishes have the ability to disperse over long distances and may present complex evolutionary histories. Here, Old World Anchovies (OWA) were used as a model system to understand genetic patterns and connectivity of fish between the Atlantic and Pacific basins. We surveyed 16 locations ...

Spatial variation in coral reef fish and benthic communities in the central Saudi Arabian Red Sea

Local-scale ecological information is critical as a sound basis for spatial management and conservation and as support for ongoing research in relatively unstudied areas. We conducted visual surveys of fish and benthic communities on nine reefs (3–24 km from shore) in the Thuwal area of the central ...

The complete genome sequence of Exiguobacterium arabatum W‐01 reveals potential probiotic functions

Abstract Shrimp is extensively cultured worldwide. Shrimp farming is suffering from a variety of diseases. Probiotics are considered to be one of the effective methods to prevent and cure shrimp diseases. Exiguobacterium arabatum W‐01, a gram‐positive and orange‐pigmented bacterium, was isolated from ...

Bacteria from Animals as a Pool of Antimicrobial Resistance Genes

Antimicrobial agents are used in both veterinary and human medicine. The intensive use of antimicrobials in animals may promote the fixation of antimicrobial resistance genes in bacteria, which may be zoonotic or capable to transfer these genes to human-adapted pathogens or to human gut microbiota via ...

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di: 1926

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