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Latest Nitzschia Stories

2012-01-31 06:13:17

Chemists of the University Jena reveal how algae delete unwanted 'competitors' Every morning when the sun comes up, the ocean ground is radically cleaned. As soon as the first rays of sunlight find their way into the water, the microalgae "Nitzschia cf pellucida" start their deadly 'morning hygiene'. The algae, the size of only some few micrometers, wrap themselves and their surroundings in a highly toxic poison: cyanogen bromide, a chemical relative of hydrocyanic acid, although much more...

2010-11-11 22:17:03

Findings, which contradict a commonly-proposed approach to reducing global climate change, are published in Proceedings of the Natural Academy of Sciences LSU's Sibel Bargu, along with her former graduate student Ana Garcia, from the Department of Oceanography and Coastal Sciences in LSU's School of the Coast & Environment, has discovered toxic algae in vast, remote regions of the open ocean for the first time. The recent findings were published in the Nov. 8 edition of one of the most...

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2010-03-16 10:20:00

Adding iron to ocean water, believed to be an effective way to absorb carbon dioxide and fight global climate change, could actually be poisoning marine life, claims a new study released Monday. Researchers from the University of Western Ontario, analyzed water samples obtained from open-ocean tracts in the northern Pacific Ocean. They found that the iron stimulated the growth of Pseudo-nitzschia, a type of algae which releases a toxic substance called domoic acid -- a neurotoxin that can...

2009-07-14 15:03:56

Scientists at NOAA's National Centers for Coastal Ocean Science and the Monterey Bay Aquarium Research Institute (MBARI) have successfully conducted the first remote detection of a harmful algal species and its toxin below the ocean's surface. The achievement was recently reported in the June issue of Oceanography.This achievement represents a significant milestone in NOAA's effort to monitor the type and toxicity of harmful algal blooms (HABs). HABs are considered to be increasing not only...

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2009-03-23 06:55:00

A dangerous nerve toxin emitted by algae off California's coast seems to be distressing creatures in the deep ocean. U.S. researchers believe this poisonous algae is a much larger danger that originally thought. According to a Reuters report, this algea, known as Pseudo-nitzschia, can create hazardous, large amounts of domoic acid. "It's a natural neurotoxin. It is produced by a diatom, which is a phytoplankton. As other animals eat this phytoplankton, like sardines or anchovies, this toxin...

2009-02-02 17:35:17

A new study funded by NOAA and the National Science Foundation reveals that a part of the Strait of Juan de Fuca, which separates Washington state from Canada's British Columbia, is a potential "hot spot" for toxic harmful algal blooms affecting the Washington and British Columbia coasts. Understanding where and how these blooms originate and move is critical for accurate forecasts that could provide early warning to protect human and ecosystem health, according to NOAA scientists.Scientists...


Word of the Day
omphalos
  • The navel or umbilicus.
  • In Greek archaeology: A central boss, as on a shield, a bowl, etc.
  • A sacred stone in the temple of Apollo at Delphi, believed by the Greeks to mark the 'navel' or exact center-point of the earth.
'Omphalos' comes from the ancient Greek.
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