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Social odors conveying dominance and reproductive information induce rapid physiological and neuromolecular changes in a cichlid fish

Background Social plasticity is a pervasive feature of animal behavior. Animals adjust the expression of their social behavior to the daily changes in social life and to transitions between life-history stages, and this ability has an impact in their Darwinian fitness. This behavioral plasticity may ...

Transcriptomic response to heat stress among ecologically divergent populations of redband trout

Background As ectothermic organisms have evolved to differing aquatic climates, the molecular basis of thermal adaptation is a key area of research. In this study, we tested for differential transcriptional response of ecologically divergent populations of redband trout (Oncorhynchus mykiss gairdneri) ...

Genomic selection needs to be carefully assessed to meet specific requirements in livestock breeding programs

Genomic selection is a promising development in agriculture, aiming improved production by exploiting molecular genetic markers to design novel breeding programs and to develop new markers-based models for genetic evaluation. It opens opportunities for research, as novel algorithms and lab methodologies ...

Cytogenetic Analysis and Chromosomal Characteristics of the Polymorphic 18S rDNA of Haliotis discus hannai from Fujian, China

We report on novel chromosomal characteristics of Haliotis discus hannai from a breeding population at Fujian, China. The karyotypes of H. discus hannai we obtained from an abalone farm include a common type 2n = 36 = 10M + 8SM (82%) and two rare types 2n = 36 = 11M + 7SM (14%) and 2n = 36 = 10M + 7SM ...

Rational Development of an Attenuated Recombinant Cyprinid Herpesvirus 3 Vaccine Using Prokaryotic Mutagenesis and In Vivo Bioluminescent Imaging

Cyprinid herpesvirus 3 (CyHV-3) is causing severe economic losses worldwide in common and koi carp industries, and a safe and efficacious attenuated vaccine compatible with mass vaccination is needed. We produced single deleted recombinants using prokaryotic mutagenesis. When producing a recombinant ...

Physical Forcing Mechanisms Controlling the Variability of Chlorophyll-a over the Royal-Charlotte and Abrolhos Banks—Eastern Brazilian Shelf

The Abrolhos Bank is part of the so-called Eastern Brazilian Shelf and is an area of high ecological and economic importance. The bank supports the largest and richest coral reefs in the South Atlantic and the largest rhodolith bed in the world. The spatial and seasonal variation of phytoplankton concentration, ...

Distinct genetic architecture underlies the emergence of sleep loss and prey-seeking behavior in the Mexican cavefish

Background Sleep is characterized by extended periods of quiescence and reduced responsiveness to sensory stimuli. Animals ranging from insects to mammals adapt to environments with limited food by suppressing sleep and enhancing their response to food cues, yet little is known about the genetic and ...

Comments: Conventional Economics

Robust forecasts for natural gas growth from conventional and unconventional sources continue to see a smooth shift to a world in which gas is the dominant fuel of choice by industry and consumers. But market forces may have a say on how quickly the world gets there. A new report examining the top ...

The green seaweed Ulva: a model system to study morphogenesis

Green macroalgae, mostly represented by the Ulvophyceae, the main multicellular branch of the Chlorophyceae, constitute important primary producers of marine and brackish coastal ecosystems. Ulva or sea lettuce species are some of the most abundant representatives, being ubiquitous in coastal benthic ...

Whole-Genome Sequencing Analysis of Quorum-Sensing Aeromonas hydrophila Strain M023 from Freshwater

Aeromonas hydrophila is a well-known waterborne pathogen that recently was found to infect humans. Here, we report the draft genome of a freshwater isolate from a Malaysian waterfall, A. hydrophila strain M023, which portrays N-acylhomoserine lactone-dependent quorum sensing.

Assessing the Antimicrobial Activity of Polyisoprene Based Surfaces

There has been an intense research effort in the last decades in the field of biofouling prevention as it concerns many aspects of everyday life and causes problems to devices, the environment, and human health. Many different antifouling and antimicrobial materials have been developed to struggle against ...

Long-chain omega-3 from low-trophic-level fish provides value to farmed seafood

Low-trophic-level fish are a crucial source of long-chain (LC) omega-3 fatty acids for farmed fish and humans. Many farm-raised fish species have a clear need for these nutrients. Farmed fish deposit the LC omega-3s in their flesh and transfer them up the food chain. However, the content of LC omega-3s ...

Risk of Introduction of Alien Species in the Goliat Field

This article, written by Assistant Technology Editor Karen Bybee, contains highlights of paper SPE 127063, ""The Risk of Introduction of Alien Species at the Goliat Field in the Barents Sea and Risk Reducing Measures,"" by Amund Ulfsnes, DNV; Egil Dragsund, OLF; and Torild Nissen-Lie, DNV, originally ...

Coiled-Tubing Intervention Results in Substantial Savings

This article, written by Assistant Technology Editor Karen Bybee, contains highlights of paper SPE 130682, ""High-Risk Coiled-Tubing Intervention Results in Substantial Savings,"" by F.N. Thom, SPE, and M.J. Taggart, SPE, BJ Services; J.D. Murdoch, SPE, Shell; and B. Ewing, Welltonic, originally prepared ...

Aluminum Pipes: A Viable Solution To Boost Drilling and Completion Technology

This article, written by Assistant Technology Editor Karen Bybee, contains highlights of paper IPTC 13758, ""Aluminium Pipes - A Viable Solution To Boost Drilling and Completion Technology,"" by M.Y. Gelfgat, SPE, A.V. Vakhrushev, D.V. Basovich, SPE, and V.S. Tikhonov, Aquatic Company, and A.C. Odell, ...

Characterization of Vibrio parahaemolyticus clinical strains from Maryland (2012–2013) and comparisons to a locally and globally diverse V. parahaemolyticus strains by whole-genome ...

Vibrio parahaemolyticus is the leading cause of foodborne illnesses in the US associated with the consumption of raw shellfish. Previous population studies of V. parahaemolyticus have used Multi-Locus Sequence Typing (MLST) or Pulsed Field Gel Electrophoresis (PFGE). Whole genome sequencing (WGS) provides ...

What characterises women who eat potatoes? A cross-sectional study among 74,208 women in the Norwegian Women and Cancer cohort

Background Studies of potato consumption have shown that age, region, socioeconomic status, and household structure are important determinants. Objective This study aims to map which factors influence potato consumption among women in the Norwegian Women and Cancer (NOWAC) study. Design A cross-sectional ...

Corda intrecciata appesantita per la raccolta e la coltura delle cozze

L’invenzione riguarda una corda intrecciata appesantita per la raccolta e la coltura di cozze del tipo usato per la raccolta di larve e successiva crescita di cozze, caratterizzata dal fatto di comprendere un nucleo pesante (3) formato da una treccia tessile tubolare strettamente intrecciata (3b) di ...

Microbial strains and their use in animals

Bacillus and Lactobacillus strains and methods that are useful for improving the performance of aquatic animals. The invention also discloses Bacillus and Lactobacillus strains and methods that are useful for inhibiting or slowing the growth of a pathogenic agent in an aquatic animal.

Method and device for detaching parasites that adhere to the skin of the fish

Method for detaching parasites that adhere to the skin of fish that comprises: a) generating electric currents through an electric device (4); b) sparsely distributing such reflectors (2b, 2b') in a dielectric device (2, 2'); c) emitting electromagnetic pulse fields in a dielectric device (2, 2') using ...

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