-
Article
Effects of Leachates from Hydrothermal Ore Particulates on Life Cycle Parameters and Expression of Defense-Related Genes in the Marine Copepod Tigriopus japonicus
We investigated the effects of fine particulate matter from hydrothermal ore on the physiological and molecular responses of the marine copepod Tigriopus japonicus. We evaluated its life cycle parameters includin...
-
Article
Characterization of bacterial community structure in two alcyonacean soft corals (Litophyton sp. and Sinularia sp.) from Chuuk, Micronesia
Microbes in the coral holobiont play important roles in nitrogen fixation, carbon supply, antibiotic production, mucus recycling, and food supply to maintain homeostasis in corals. However, microbes can also i...
-
Article
New records of two deep-sea eels collected from the Western Pacific Ocean based on COI and 16S rRNA genes
Two deep-sea eels collected from the Western Pacific Ocean are described in this study. Based on their morphological characteristics, the two deep-sea eel specimens were assumed to belong to the cusk-eel famil...
-
Article
Identification and response of cytochrome P450 genes in the brackish water flea Diaphanosoma celebensis after exposure to benzo[α]pyrene and heavy metals
The cytochrome P450 (CYP) enzyme family is extensive; these enzymes participate in phase I enzyme metabolism and are involved in xenobiotic detoxification in all living organisms. Despite their significance in...
-
Article
Effects of temperature shifts on life parameters and expression of fatty acid synthesis and heat shock protein genes in temperate and Antarctic copepods Tigriopus japonicus and Tigriopus kingsejongensis
Global warming, increase of the atmospheric temperature leading to changes in climate, is a growing environmental concern for all organisms including marine organisms, and many efforts have been made to reveal...
-
Article
Effects of temperature changes on the generation of reactive oxygen species and the expression and activity of glutathione-S transferases in two congeneric copepods Tigriopus japonicus and Tigriopus kingsejongensis
We measured the generation of intracellular reactive oxygen species (ROS) and the enzymatic activity and expression of glutathione-S transferase (GST) in response to temperature changes in the temperate copepod T...
-
Article
Open AccessAging extension and modifications of lipid metabolism in the monogonont rotifer Brachionus koreanus under chronic caloric restriction
To examine the interrelationship of aging extension and modification of lipid metabolism under chronic caloric restriction (CCR; reduced concentration of the green algae Tetraselmis suecica) in the monogonont rot...
-
Article
Open AccessIdentification of 74 cytochrome P450 genes and co-localized cytochrome P450 genes of the CYP2K, CYP5A, and CYP46A subfamilies in the mangrove killifish Kryptolebias marmoratus
The mangrove killifish Kryptolebias marmoratus is the only vertebrate that reproduces by self-fertilizing and is an important model species in genetics and marine ecotoxicology. Using whole-genome and transcripto...
-
Article
Effects of temperature on growth and fatty acid synthesis in the cyclopoid copepod Paracyclopina nana
We have used the cyclopoid copepod Paracyclopina nana to understand responses to the temperature shift. To determine the changes of molecular mechanisms, which would lead to physiological changes in P. nana, we i...
-
Article
Open AccessAdverse effects of microplastics and oxidative stress-induced MAPK/Nrf2 pathway-mediated defense mechanisms in the marine copepod Paracyclopina nana
Microplastic pollution causes a major concern in the marine environment due to their worldwide distribution, persistence, and adverse effects of these pollutants in the marine ecosystem. Despite its global pre...
-
Chapter
Rotifers in Ecotoxicology
Rotifers are widespread and abundant in aquatic ecosystems and are valuable live feeds in aquaculture and fisheries. They are particularly useful in evaluating full life cycle and population-level effects in r...
-
Article
Acute Toxicity of Gamma Radiation to the Monogonont Rotifer Brachionus koreanus
We examined the tolerance of the monogonont rotifer Brachionus koreanus in response to gamma radiation. In order to determine the median lethal dose (LD50) of rotifers against gamma radiation, we irradiated B. ko...
-
Article
Identification of insulin-like peptide 1 (ILP1) gene and its expression in response to different food sources in the intertidal copepod Tigriopus japonicus
Insulin-like peptide (ILP) is an important hormone that controls a wide array of functions including glucose or trehalose levels in body fluids in invertebrates. However, the presence and role of ILP in copepo...
-
Article
Ecotoxicity of triphenyltin on the marine copepod Tigriopus japonicus at various biological organisations: from molecular to population-level effects
Triphenyltin compounds (TPTs), as effective biocides for different industrial and agricultural purposes, have been detected in coastal marine environments worldwide, in particular in Asian countries. However, ...
-
Article
Sequence analysis of genomic DNA (680 Mb) by GS-FLX-Titanium sequencer in the monogonont rotifer, Brachionus ibericus
The monogonont rotifer, Brachionus ibericus (S type), is considered to be a promising model species for developmental biology, evolution, and environmental genomics. In an attempt to accelerate the molecular unde...
-
Article
Interaction of E1B 19K with Bax is required to block Bax-induced loss of mitochondrial membrane potential and apoptosis
The Bcl-2 homologous region 3 (BH3) is sufficient for interaction of pro-apoptotic with anti-apoptotic Bcl-2 family members, and functional antagonism may determine whether cell survival or death is the outcom...
