Results 161 to 170 of about 5,366 (209)

The Harmful Cyanobacterium Microcystis aeruginosa Differently Affects the Growth Rate and Photosynthetic Efficiency of Several Species of Marine Phytoplankton. [PDF]

Environ Microbiol Rep
Park NY, Choi HS, Kang SU, Lim AS.
europepmc   +1 more source

Metabolomic profiling of diatoms reveals distinct impacts of silver nanoparticles and ions.

Environ Sci Nano
Kantarciyan A, Segovia-Campos I, Marelja M, Gasco R, Li W, Keller AA, Slaveykova VI.   +6 more
europepmc   +1 more source

Kepadatan Skeletonema costatum Pada pH yang Berbeda: [PDF]

Siganus: Journal of Fisheries and Marine Science, 2021
ABSTRACT: The present study aimed to determine the effect of different pH level on the density of Skeletonema costatum. A completely randomized design (CRD) consisting of four treatments with 4 replications, including pH 5, pH 6, pH 7 (Control), and pH 8 was applied. Skeletonema costatum density rate and water quality were measured for data collection.
null Nurjamila, null Tenriware, Nur Indah Sari Arbit   +2 more
exaly   +3 more sources

Effect of Salinity Differences on Phytoplankton Density (Skeletonema costatum)

Edunity Kajian Ilmu Sosial dan Pendidikan, 2023
This study aims to determine the effect of differences in salinity on the density of phytoplankton (Skeletonema costatum). The method in this study used a completely randomized design with 4 treatments and 3 replications. The parameters tested included the density rate of Skeletonema costatum. Data analysis uses One Way Anova to see the significance of
Indah Rahayu
exaly   +2 more sources

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UBIQUITIN INSKELETONEMA COSTATUM

Diatom Research, 1995
Western blotting experiments performed with an anti-ubiquitin antibody showed that Skeletonema costatum cells contained free ubiquitin and high molecular weight ubiquitin conjugates. An estimate of free ubiquitin and ubiquitin conjugates by a solid phase immunoassay (Haas & Bright 1985) provided values of 0.31 ± 0.04 pmol/107 cells for free ubiquitin ...
PENNA, ANTONELLA, CORSI D., CONRAD C., MAGNANI, MAURO   +3 more
openaire   +2 more sources

Microalgae Skeletonema costatum for Cd and Cu Remediation

Asian Journal of Water, Environment and Pollution, 2020
Cadmium (Cd) and copper (Cu) are types of heavy metals that can have an adverse effect on the ecosystem. Even copper is an essential metal but in limited concentrations, however, it leads to a toxic effect on the environment when used in high concentrations. Bioremediation of these metals can be done using microalgae Skeletonema costatum. In this study,
Pratiwi, Dwi Candra, Pratiwi, Niken, Yona, Defri, Sasmita, Respati Dwi, Pratiwi, Intan Ayu   +4 more
openaire   +1 more source

Production of Octadienal in the Marine Diatom Skeletonema costatum

Organic Letters, 2003
[reaction: see text] Marine diatoms produce alpha,beta,gamma,delta-unsaturated aldehydes that have detrimental effects on the reproduction of their natural predators. The production of these defensive metabolites is suggested to involve enzymatic oxidation of polyunsaturated fatty acids. In this paper, feeding experiments with labeled precursor provide
D'IPPOLITO GIULIANA, ROMANO GIOVANNA, CARUSO, Tonino, SPINELLA, Aldo, CIMINO GUIDO, FONTANA ANGELO   +5 more
openaire   +5 more sources

Effects of hypoxia on growth of the diatom Skeletonema costatum

Journal of Experimental Marine Biology and Ecology, 2012
Abstract Hypoxia, defined as dissolved oxygen falls below 2.8 mg O 2 L − 1 , affects several 100,000 km 2 of marine water worldwide. Previous studies have shown that hypoxia results in aberrant behaviors of benthic fauna, collapse of fisheries, and major changes in the structure and trophodynamics of marine ecosystems. Nevertheless, it is not known
Wo, KT, Wu, RSS, Chiu, JMY
openaire   +3 more sources

Impact of silver nanoparticles on marine diatom Skeletonema costatum

Journal of Applied Toxicology, 2016
AbstractWhen silver nanoparticles (AgNPs) are used commercially at a large scale, they infiltrate the environment at a rapid pace. However, the impact of large quantities of AgNPs on aquatic ecosystems is still largely unknown. In aquatic ecosystems, the phytoplanktons have a vital ecological function and, therefore, the potential impact of AgNPs on ...
Huang, Jun, Cheng, Jinping, Yi, Jun
openaire   +3 more sources

Effects of Skeletonema costatum Extracts on the Central Nervous System

Planta Medica, 1992
We report the effects of aqueous extracts of the microalga Skeletonema costatum Greve (Cleve) (Bacillariophyceae) on spontaneous motor activity, rectal temperature, motor coordination, amphetamine-induced hypermotility, exploratory behaviour, muscle relaxation, catalepsy, conditioned avoidance responses, oxotremorin-induced cholinergic syndrome, and ...
R, Villar, M R, Laguna, J M, Calleja, I, Cadavid   +3 more
openaire   +2 more sources