نتایج جستجو برای: ctenophora

تعداد نتایج: 318  

2016
Adriano Senatore Hamad Raiss Phuong Le

Voltage-gated calcium (Cav) channels serve dual roles in the cell, where they can both depolarize the membrane potential for electrical excitability, and activate transient cytoplasmic Ca2+ signals. In animals, Cav channels play crucial roles including driving muscle contraction (excitation-contraction coupling), gene expression (excitation-transcription coupling), pre-synaptic and neuroendocri...

A. A. Janbaz , F. Kaymaram , H. Fazli , K. Khedmati , M. A. Afraei Bandpei , R. Pourgholam , S. Abdolmaleki,

  This paper aimed to investigate the fishery and biological characteristics of anchovy Kilka in Iranian waters of the Caspian Sea from 2005-2007, including length and age structure ,Von Bertalanffy growth parameters, length and age at first capture, condition factor, sex ratio, natural and fishing mortality. The examination of catch data approved that Kilka population in the Caspian S...

ژورنال: اقیانوس شناسی 2023

Background and Objectives:  ??? Methods:  ??? Findings: ??? Conclusion:  ??? In this survey, gelatinous zooplankton fauna from the coastal/estuarine waters, northern of Bushehr were analyzed during summer of 2017 to spring 2018. 5 species were identified for the first time from Persian Gulf, including 3 species from Hydromedusa, Eutima gegenbaueri, Eirene viridula and Clytia discoid, one spe...

Journal: :Frontiers in Marine Science 2021

The impact of the rapidly changing Arctic on zooplankton community structure and seasonal behaviour is not yet understood. Here we examine 6 months under-ice observations from N-ICE2015 expedition (January to June 2015) in Nansen Basin Yermak Plateau north Svalbard. Stratified sampling water column was done with MultiNet during entire expedition, upper 5 m below sea ice performed April-May by d...

Journal: :The Journal of experimental biology 2015
Stefan Gründer Marc Assmann

Neurons either use electrical or chemical synapses to communicate with each other. Transmitters at chemical synapses are either small molecules or neuropeptides. After binding to their receptors, transmitters elicit postsynaptic potentials, which can either be fast and transient or slow and longer lasting, depending on the type of receptor. Fast transient potentials are mediated by ionotropic r...

Journal: :Arhiv za higijenu rada i toksikologiju 2016
Ivana Tlak Gajger Marina Kosanović Nina Bilandžić Marija Sedak Bruno Čalopek

Beeswax foundations are a necessary material in intensive modern beekeeping. Heavy metals can accumulate in these foundations for decades, as it is a common beekeeping practice to recycle wax. Beeswax samples were analysed using GFAAS for As, Cd, Pb, and Hg concentrations during the production of beeswax foundations using casting technology with a prolonged cooling and sedimentation phase. Sign...

Journal: :International journal of food microbiology 2013
Tyann Blessington Christopher G Theofel Elizabeth J Mitcham Linda J Harris

The survival of Salmonella enterica Enteritidis PT 30 or five-strain cocktails of S. enterica, Escherichia coli O157:H7, and Listeria monocytogenes was evaluated on inshell walnuts during storage. Inshell walnuts were separately inoculated with an aqueous preparation of the pathogens at levels of 10 to 4 log CFU/nut, dried for 24 h, and then stored at either 4 °C or ambient conditions (23-25 °C...

Journal: :Molecular biology and evolution 2009
Jirí Nehyba Radmila Hrdlicková Henry R Bose

This manuscript presents the first extensive phylogenetics analysis of a key family of immune regulators, the interferon regulatory factor (IRF) family. The IRF family encodes transcription factors that play important roles in immune defense, stress responses, reproduction, development, and carcinogenesis. Several times during their evolution, the IRF genes have undergone expansion and diversif...

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