ULTIMO AGGIORNAMENTO BANCA DATI: 13/09/2024 13:00:57
Background Xylan is a major component of plant cells and the most abundant hemicellulose. Xylanases degrade xylan into monomers by randomly cleaving β-1,4-glycosidic bonds in the xylan backbone, and have widespread potential applications in various industries. The purpose of our study was to clone ...
Populations of the once common bottlenose dolphin (Tursiops truncatus) in Argentina have precipitously declined throughout the country in the past decades. Unfortunately, local declines of common species are easily overlooked when establishing priorities for conservation. In this study, demographics ...
Fat-rich diets not only induce obesity in humans but also make animals obese. Therefore, animals that accumulate body fat in response to a high-fat diet (especially rodents) are commonly used in obesity research. The effect of dietary fat on body fat accumulation is not fully understood in zebrafish, ...
The invention encompasses the use of a lipolytic enzyme obtainable from one of the following genera: Streptomyces, Corynebacterium and Thermobifida in various methods and uses, wherein the lipolytic enzyme hydrolyzes a glycolipid or a phospholipid or transferring an acyl group from a glycolipid or phospholipids ...
L'identificazione dei vivai e di altri habitat ittici essenziali degli stock sfruttati è un requisito fondamentale per lo sviluppo di una pianificazione della conservazione del territorio volta a ridurre l'impatto negativo della pesca sulle popolazioni e sugli ecosistemi sfruttati. La riduzione della ...
The present invention relates to a composition comprising phosphorous for use in preventing deformities in triploid fish. The invention additionally relates to the use of phosphorous for the manufacture of a medicament comprising phosphorous for the prevention of deformities in triploid fish and to ...
A process for preparing a sunflower meal fraction containing at least 50% of proteins and 10% or less of crude fibers. Sunflower meal fraction obtained by the process thereof and its use for preparing animal feed compositions. [Image Omitted]
Urotensin II (UII) is an evolutionarily conserved neuropeptide initially isolated from teleost fish on the basis of its smooth muscle-contracting activity. Subsequent studies have demonstrated the occurrence of several UII-related peptides (URPs), such that the UII family is now known to include four ...
Ecological succession provides a widely accepted description of seasonal changes in phytoplankton and mesozooplankton assemblages in the natural environment, but concurrent changes in smaller (i.e. microbes) and larger (i.e. macroplankton) organisms are not included in the model because plankton ranging ...
We assessed the effects of the prominent biogeographic (Point Conception and the Peninsula of Baja California) and phylogeographic barriers (Los Angeles Region) of the northeastern Pacific on the population connectivity of the brown smoothhound shark, Mustelus henlei (Triakidae). Data from the mitochondrial ...
This paper presents novel well construction work-flows and downhole measurements to improve the success rate with close tolerance casing and cementing operations. Drilling engineers routinely “flip the coin” and mentally take the risk of inferred underreaming. Considering the downtime that occurs across ...
Deep wells drilled into the Jurassic formations of Kuwait have long utilized oil based mud (OBM) with barite as the weighting material. However, barite caused considerable damage to the reservoir sections, resulting in reduced production rates. The high oil content in the OBM also prevented recording ...
Human activities have had the strongest impacts on natural ecosystems since the last glacial period, including the alteration of interspecific relationships such as food webs. In this paper, we present a historical record of major alterations of trophic structure by revealing millennium-scale dietary ...
Abstract As technology advances so does the ability to drill deeper and more complex 3D wells. The costs associated with these wells have also increased significantly. In an effort to minimize non-productive time (NPT), one key learning is that utilizing surface parameters alone for decision making ...
Ocean Acidification (OA) will influence marine ecosystems by changing species abundance and composition. Major effects are described for calcifying organisms, which are significantly impacted by decreasing pH values. Direct effects on commercially important fish are less well studied. The early life ...
Abstract Seahorses are currently facing great challenges in the wild, including habitat degradation and overexploitation, and how they will endure additional stress from rapid climate change has yet to be determined. Unlike most fishes, the poor swimming skills of seahorses, along with the ecological ...
A new protein, coded as D2-3, was obtained from the marine organism Tegillarca granosa L. by anion exchange and hydrophobic chromatography. The purity of D2-3 was over 99.0% as measured by RP-HPLC. Its molecular weight was shown to be 20.320 kDa by ESI-MS/MS, and the isoelectric point of D2-3 was 4.70. ...
Background Egg quality is an important aspect in rainbow trout farming. Post-ovulatory aging is one of the most important factors affecting egg quality. MicroRNAs (miRNAs) are the major regulators in various biological processes and their expression profiles could serve as reliable biomarkers for various ...
Background Columnaris causes severe mortalities among many different wild and cultured freshwater fish species, but understanding of host resistance is lacking. Catfish, the primary aquaculture species in the United States, serves as a great model for the analysis of host resistance against columnaris ...
The zebra mussel (Dreissena polymorpha, Pallas, 1771) is one of the most invasive species of freshwater bivalves, due to a combination of biological and anthropogenic factors. Once this species has been introduced to a new area, individuals form dense aggregations that are very difficult to remove, ...