ULTIMO AGGIORNAMENTO BANCA DATI: 13/09/2024 13:00:57
As a result of specific adaptations and habitat preferences strongly rheophilic fish species may show high levels of endemism. Many temperate rheophilic fish species were subjected to a series of range contractions during the Pleistocene, and then successfully expanded during the Holocene, colonising ...
This study quantified size-dependent cannibalism in barramundi Lates calcarifer through coupling a range of prey-predator pairs in a different range of fish sizes. Predictive models were developed using morphological traits with the alterative assumption of cannibalistic polyphenism. Predictive models ...
Non-indigenous species can dominate fouling assemblages on artificial structures in marine environments; however, the extent to which infected structures act as reservoirs for subsequent spread to natural habitats is poorly understood. Didemnum vexillum is one of few colonial ascidian species that is ...
Caspase-3, the essential effector caspase, plays a pivotal role during caspase-dependent apoptosis. In this study, we isolated and characterized caspase-3A gene from common carp. The common carp caspase-3A comprising 273 amino acids showed 71.8% sequence similarity and 59.3% sequence identity to human ...
Ploidy level affects cell size in many organisms, and ploidy-dependent cell enlargement has been used to breed many useful organisms. However, how polyploidy affects cell size remains unknown. Previous studies have explored changes in transcriptome data caused by polyploidy, but have not been successful. ...
Conservation is imperative for the Asian snakeheads Channa striata, as the species has been overfished due to its high market demand. Using maternal markers (mitochondrial cytochrome c oxidase subunit 1 gene (COI)), we discovered that evolutionary forces that drove population divergence did not show ...
We review the use of parasites as biological tags of marine fishes and cephalopods in host population structure studies. The majority of the work published has focused on marine fish and either single parasite species or more recently, whole parasite assemblages, as biological tags. There is representation ...
The variation of six biogenic amines (BAs) and total viable count (TVC) in common carp (Cyprinus carpio) stored in ice with 0, 4 and 8 h delay before icing was evaluated in a period of 4 days. Delayed icing led to significant (p < 0.05) increases in TVC throughout the period of storage and showed ...
The genetic differentiation of many marine fish species is low. Yet local adaptation may be common in marine fish species as the vast and changing marine environment provides more chances for natural selection. Here, we used anonymous as well as known protein gene linked microsatellites and mitochondrial ...
Background Current laboratory and point-of-care tests for HIV detect different analytes and use different sample types. Some have fast turnaround times (<1 hour). We investigated how HIV test choice could impact case finding by testing programs. Methods We analyzed 21,234 consecutive HIV tests ...
A neuritogenic monoglyceride, 1-O-(myristoyl) glycerol (MG), was isolated from the head of Ilisha elongate using a PC12 cell bioassay system, and its chemical structure was elucidated using spectroscopic methods. MG significantly induced 42% of the neurite outgrowth of PC12 cells at a concentration ...
The rapid expansion of human activities threatens ocean-wide biodiversity loss. Numerous marine animal populations have declined, yet it remains unclear whether these trends are symptomatic of a chronic accumulation of global marine extinction risk. We present the first systematic analysis of threat ...
The disclosure relates to a shrimp aquaculture structure including a set of at least two raceways of increasing depth each having a length and width and including two ends, two side walls having a top, a sloped bottom joining each side wall at two side wall junctions. Some of five raceways may be stacked ...
A three-dimensional grid for use as an algal turf growing surface contains a horizontal planar basal net containing a series of horizontal planar members and upwardly directed members.
Feeding method and production technology of a vegetarian feed for carnivorous fish prepared from Spirulina and Chlorella algae that are produced by cell proliferation in production tanks in electrolyzed water with chlorine-neutralizing sodium thiosulfate and are subsequently dried, pelleted and packaged. ...
A system for producing phototrophic biomass is provided. The system includes a green power generator and a carbon sequestering system. The green power generator is provided for generating power, wherein operation of the green power generator is controlled by an environmentally friendly business organization. ...
The invention concerns a method for manufacturing a lure. A lure body precisely matching the final shape and size of the lure is worked from wooden material and the lure body is outfitted. A plastic shell, in which the lure body is tightly enclosed, comprised of parts joinable by sealing, matching precisely ...
A fastener for holding or clamping at least one object is provided that comprises: a band (10) formed into a closed loop, said band having a first end and a second end and teeth (18) on its outer surface; and a head (12) that holds the band in a closed loop and comprises a first and a second passageway ...
A device and apparatus for determining wind conditions around a sailboat. The device includes means for receiving a measured wind angle and wind speed readings from a wind sensor attached to the sailboat and readings of boat heading and boat speed through the water, means for storing wind angle correction ...