16 results match your criteria: "National Institute of Water and Atmospheric Research (NIWA) Ltd.[Affiliation]"

Seamounts on subantarctic New Zealand's Macquarie Ridge, including parts of Australia's Exclusive Economic Zone surrounding Macquarie Island, have been demonstrated to be a rich source of new species of carnivorous sponges (Demospongiae Sollas, Poecilosclerida Topsent, Cladorhizidae Dendy). Four new species of Abyssocladia Lévi, 1964, are described from Macquarie Ridge seamounts and at other disparate locations: Abyssocladia lanceola sp. nov.

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Article Synopsis
  • Climate change is impacting the distribution and numbers of marine fish species, raising concerns for future commercial fisheries.
  • An analysis of data from 198 fish species in the Northeast Atlantic shows that temperature, salinity, and depth are critical factors influencing fish community structure.
  • Projections for 2050 and 2100 indicate significant shifts in fish communities due to climate change, especially in areas experiencing greater warming, which could affect commercial fishing opportunities significantly.
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Family Latrunculiidae Topsent, 1922 comprises seven genera: Latrunculia Barboza du Bocage, 1869; Sceptrella Schmidt, 1870; Strongylodesma Lvi, 1969; Tsitsikamma Samaai Kelly, 2002; Cyclacanthia Samaai Kelly in Samaai et al. (2004); Bomba and Latrunclava Kelly, Reiswig Samaai in Kelly et al. (2016) (Samaai Kelly 2002; Kelly et al.

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First record of genus Phlyctaenopora in South Pacific waters.

Zootaxa

June 2021

Coasts and Oceans National Centre, National Institute of Water and Atmospheric Research (NIWA) Ltd, Private Bag 99940, Newmarket, Auckland 1149, New Zealand. .

Four species of Phlyctaenopora Topsent, 1904 (Demospongiae Sollas, Poecilosclerida Topsent, Mycalidae Lundbeck) are recognised today (Van Soest et al. 2021a) (Table 1): two Atlantic Ocean species in subgenus Phlyctaenopora [type species P. (P.

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The Kermadec Trench is the world's fifth deepest trench and extends from approximately 26 to 36°S near the northeastern tip of New Zealand's North Island. Here, we describe a new species of Aegialoalaimus, a nematode genus with unusual buccal cavity and pharynx morphology, from a site at 9540 metres water depth in Kermadec Trench, and provide the first SSU and D2-D3 of LSU sequences for Aegialoalaimus, Manganonema, Metasphaerolaimus constrictus and Daptonema amphorum. Aegialoalaimus tereticauda n.

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Chemistry, Chemotaxonomy and Biological Activity of the Latrunculid Sponges (Order Poecilosclerida, Family Latrunculiidae).

Mar Drugs

January 2021

GEOMAR Centre for Marine Biotechnology (GEOMAR-Biotech), Research Unit Marine Natural Products Chemistry, GEOMAR Helmholtz Centre for Ocean Research Kiel, Am Kiel-Kanal 44, 24106 Kiel, Germany.

Marine sponges are exceptionally prolific sources of natural products for the discovery and development of new drugs. Until now, sponges have contributed around 30% of all natural metabolites isolated from the marine environment. Family Latrunculiidae Topsent, 1922 (class Demospongiae Sollas, 1885, order Poecilosclerida Topsent, 1928) is a small sponge family comprising seven genera.

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Bridging the gap: first record of sponge genus Strongylodesma in Australian waters.

Zootaxa

July 2020

Coasts and Oceans National Centre, National Institute of Water and Atmospheric Research (NIWA) Ltd, Private Bag 99940, Newmarket, Auckland 1149, New Zealand..

Eight species of Strongylodesma Lévi, 1969 (Demospongiae Sollas, Poecilosclerida Topsent, Latrunculiidae Topsent) are recognised today (Van Soest et al. 2019): three from South Africa (S. algoaensis and S.

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Three new sponge species in the demosponge families Chalinidae Gray and Suberitidae Schmidt are described from the Calypso hydrothermal vent field in the Bay of Plenty, and one species from seep sites along the Hikurangi Margin, to the east of the North Island, New Zealand. The Calypso hydrothermal vent field is dominated by the chalinid sponge Haliclona (Soestella) battershilli sp. nov.

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Computationally Assisted Discovery and Assignment of a Highly Strained and PANC-1 Selective Alkaloid from Alaska's Deep Ocean.

J Am Chem Soc

March 2019

Department of Drug Discovery and Biomedical Sciences, College of Pharmacy , Medical University of South Carolina, Charleston , South Carolina 29425 , United States.

We report here the orchestration of molecular ion networking and a set of computationally assisted structural elucidation approaches in the discovery of a new class of pyrroloiminoquinone alkaloids that possess selective bioactivity against pancreatic cancer cell lines. Aleutianamine represents the first in a new class of pyrroloiminoquinone alkaloids possessing a highly strained multibridged ring system, discovered from Latrunculia ( Latrunculia) austini Samaai, Kelly & Gibbons, 2006 (class Demospongiae, order Poecilosclerida, family Latrunculiidae) recovered during a NOAA deep-water exploration of the Aleutian Islands. The molecule was identified with the guidance of mass spectrometry, nuclear magnetic resonance, and molecular ion networking (MoIN) analysis.

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An integrative systematic framework helps to reconstruct skeletal evolution of glass sponges (Porifera, Hexactinellida).

Front Zool

March 2017

Natural History Section, Royal British Columbia Museum, 675 Belleville Street, Victoria, BC V8W 9W2 Canada.

Background: Glass sponges (Class Hexactinellida) are important components of deep-sea ecosystems and are of interest from geological and materials science perspectives. The reconstruction of their phylogeny with molecular data has only recently begun and shows a better agreement with morphology-based systematics than is typical for other sponge groups, likely because of a greater number of informative morphological characters. However, inconsistencies remain that have far-reaching implications for hypotheses about the evolution of their major skeletal construction types (body plans).

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Extensive new collections of latrunculid sponges from British Columbia, the Aleutian Islands, and the Gulf of Alaska, have extended the distributions of known species Latrunculia oparinae Samaai & Krasokhin, 2002, from the Russian Sea of Okhotsk, L. velera Lehnert et al., 2006, from the Aleutian Islands, and L.

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Continuous and simultaneous observational particulate matter (measured as PM), nitrogen dioxide (NO) and oxides of nitrogen (NO) data were captured at a kerbside site alongside a major highway in Auckland, New Zealand, and at a pair of setback sites within 250 m of the highway, day and night over 8 weeks. The three measurement sites were intended to allow emissions from the highway to be largely isolated from other sources. By filtering the data and subtracting upwind concentrations, the average roadside increment was calculated to be 1.

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Deontostoma tridentum n. sp. is described from epibenthic (Brenke) sledge samples obtained from the continental slope of New Zealand at 570 and 1007 m water depths, and details of the ultrastructure are investigated using scanning electron microscopy (SEM).

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Molecular fingerprinting of 16S rRNA genes using terminal restriction fragment length polymorphism (T-RFLP) and denaturing gradient gel electrophoresis (DGGE) was used to characterize the temporal and spatial variability among sponge-associated bacteria from Mycale hentscheli having distinct bioactive chemotypes. Cluster analysis of T-RFLP and DGGE profiles from M. hentscheli chemotypes largely grouped sponge microbial diversity to their distinct chemotype pattern.

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An in vitro culture method was developed for the ciliated protozoa Uronema marinum isolated from New Zealand aquacultured groper (Polyprion oxygeneios). Both formulated media and sterile seawater supplemented with homogenised fish tissue as a food source supported growth of U. marinum achieving cell densities of up to 1 x 10(5)cells/mL in culture.

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