Results 31 to 40 of about 28,708 (163)

The Irkutsk focus of opisthorchosis (to the 40th Anniversary of the discovery)

open access: yesРоссийский паразитологический журнал, 2023
The purpose of the research is to summarize our own and literature data on the Irkutsk focus of opisthorchosis.Materials and methods. The materials (mollusks, cyprinids and muskrat) were collected in the reservoirs of the Biryusa River basin.
O. T. Rusinek, S. P. Veprikov
doaj   +1 more source

Effects of Short-Term Salinity Stress on Ions, Free Amino Acids, Na+/K+-ATPase Activity, and Gill Histology in the Threatened Freshwater Shellfish Solenaia oleivora

open access: yesFishes, 2022
Salinity is an important ecological factor affecting the osmolality of aquatic animals. Solenaia oleivora is an endemic and economically important freshwater shellfish in China.
Ting Zhang   +4 more
doaj   +1 more source

An Update of Tetrodotoxins Toxicity and Risk Assessment Associated to Contaminated Seafood Consumption in Europe: A Systematic Review

open access: yesToxins
Following the occurrence of Tetrodotoxins (TTXs) in Europe—a group of neurotoxins identified in Asia, where fatalities occurred after the ingestion of contaminated pufferfish—the EFSA proposed a limit of 44 µg of TTX/kg of shellfish meat in mollusks in ...
Carlo Varini   +5 more
doaj   +1 more source

Factors Controlling the Distribution of Intermediate Host Snails of Schistosoma in Crater Lakes in Uganda: A Machine Learning Approach

open access: yesFrontiers in Environmental Science, 2022
Schistosomiasis affects over 700 million people globally. 90% of the infected live in sub-Saharan Africa, where the trematode species Schistosoma mansoni and S.
Zadoki Tabo   +10 more
doaj   +1 more source

Extraction of α-, β- and γ-chitosan from Portunus segnis, Sepia pharaonis and Aspergillus niger, and comparison of their antimicrobial activities

open access: yesیافته‌های نوین در علوم زیستی, 2017
Three types of chitin as α (exoskeleton of crustaceans), β (cuttlebone of cephalopods) and γ (some fungal cell wall) exist in nature. Chitosan is the most important derivative of chitin, which has various biological activities.
Mohammad Sadegh Khakshoor   +1 more
doaj  

Redescription of Temnocephala iheringi (Platyhelminthes: Temnocephalida) based on specimens from Pomacea canaliculata (Mollusca: Ampullariidae) of the state of Rio Grande do Sul, Brazil: the possible type host and type locality

open access: yesZoologia (Curitiba), 2010
The original description of Temnocephala iheringi Haswell, 1893 was based on specimens collected by Hermann von Ihering from undetermined ampullariid apple snails, which at that time were identified as Ampullaria sp., and sent to William H. Haswell, with
Samantha A. Seixas   +2 more
doaj   +1 more source

The role of histones in the immune responses of aquatic invertebrates

open access: yesInvertebrate Survival Journal, 2013
Histones are primary components of eukaryotic chromatin and highly abundant in all animal cells. In addition to their important role in chromatin structure and transcriptional regulation, histones contribute to innate immune responses. In several aquatic
C Nikapitiya   +2 more
doaj  

Home - About - Disclaimer - Privacy