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Journal articles on the topic 'Marine metabolites – South Africa'

Author: Grafiati

Published: 4 June 2021

Last updated: 15 February 2022

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1

van Wyk, Albert W. W., Christopher A. Gray, Catherine E. Whibley, et al. "Bioactive Metabolites from the South African Marine MolluskTrimusculus costatus⊥." Journal of Natural Products 71, no. 3 (2008): 420–25. http://dx.doi.org/10.1021/np070612y.

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2

Afolayan, Anthonia F., John J. Bolton, Carmen A. Lategan, Peter J. Smith, and Denzil R. Beukes. "Fucoxanthin, Tetraprenylated Toluquinone and Toluhydroquinone Metabolites from Sargassum heterophyllum Inhibit the in vitro Growth of the Malaria Parasite Plasmodium falciparum." Zeitschrift für Naturforschung C 63, no. 11-12 (2008): 848–52. http://dx.doi.org/10.1515/znc-2008-11-1211.

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Abstract In the course of our search for antimalarial leads from marine algae, four metabolites, sargaquinoic acid, sargahydroquinoic acid, sargaquinal and fucoxanthin, were isolated from the South African alga Sargassum heterophyllum. Fucoxanthin and sargaquinal showed good antiplasmodial activity toward a chloroquine-sensitive strain (D10) of Plasmodium falciparum (IC50 1.5 and 2.0 μm, respectively), while sargaquinoic acid and sargahydroquinoic acid were only moderately active (IC50 12.0 and 15.2 μm, respectively).

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3

Norris, R. E., and M. E. Aken. "Marine benthic algae new to South Africa." South African Journal of Botany 51, no. 1 (1985): 55–65. http://dx.doi.org/10.1016/s0254-6299(16)31702-1.

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4

Taljaard, Susan, and Willem A. M. Botes. "Marine water quality management in South Africa." Water Science and Technology 32, no. 2 (1995): 281–88. http://dx.doi.org/10.2166/wst.1995.0118.

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In South Africa the ultimate goal in water quality management is to keep the water resources suitable for all “beneficial uses”. Beneficial uses provides a basis for the derivation of water quality guidelines, which, for South Africa, are defined in Water quality guidelines for the South African coastal zone (DWAF, 1991). The CSIR has developed a practical approach to marine water quality management, taking into account international trends and local experience, which can be applied to any coastal development with potential influence on water quality. The management plan is divided into three

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5

Boonzaaier-Davids, MK, WK Florence, and MJ Gibbons. "Zoogeography of marine Bryozoa around South Africa." African Journal of Marine Science 42, no. 2 (2020): 185–98. http://dx.doi.org/10.2989/1814232x.2020.1765870.

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6

Singh, SP, JC Groeneveld, J. Huggett, D. Naidoo, R. Cedras, and S. Willows-Munro. "Metabarcoding of marine zooplankton in South Africa." African Journal of Marine Science 43, no. 2 (2021): 147–59. http://dx.doi.org/10.2989/1814232x.2021.1919759.

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7

Norris, R. E. "Six marine macroalgal genera new to South Africa." South African Journal of Botany 58, no. 1 (1992): 2–12. http://dx.doi.org/10.1016/s0254-6299(16)30889-4.

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8

Verster, Carina, Karin Minnaar, and Hindrik Bouwman. "Marine and freshwater microplastic research in South Africa." Integrated Environmental Assessment and Management 13, no. 3 (2017): 533–35. http://dx.doi.org/10.1002/ieam.1900.

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9

Toms, G. "Marine Outfall Studies in Development Areas of South Africa." Water Science and Technology 18, no. 11 (1986): 11–23. http://dx.doi.org/10.2166/wst.1986.0138.

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A recent policy of decentralizing growth in South Africa has led to the designation of neu coastal development areas. Growth of such areas, stimulated by the attraction of industries should be accompanied by a careful assessment of possible associated marine pollution problems. In particular, the disposal of industrial and/or domestic effluents to sea may initially appear an attractive option to planners and developers. Consequently the investigation of the feasibility of the marine disposal option is an essential component of the planning process. An on-going series of such studies in nominat

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10

Silva, Simone M. F., and Richard N. Pienaar. "Marine Cyanophytes from the Western Cape, South Africa: Oscillatoriales." South African Journal of Botany 65, no. 1 (1999): 1–22. http://dx.doi.org/10.1016/s0254-6299(15)30936-4.

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11

Silva, Simone M. F., and Richard N. Pienaar. "Marine Cyanophytes from the Western Cape, South Africa: Chroococcales." South African Journal of Botany 65, no. 1 (1999): 32–49. http://dx.doi.org/10.1016/s0254-6299(15)30938-8.

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12

Botes, Willem A. M., and J. F. Kapp. "Dilution studies on three marine outfalls in South Africa." Water Science and Technology 32, no. 2 (1995): 297–304. http://dx.doi.org/10.2166/wst.1995.0120.

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Field dilution studies were conducted on three “deep” water marine outfalls located along the South African coast to establish the comparibility of actual achievable initial dilutions against the theoretical predicted values and, where appropriate, to make recommendations regarding the applicability of the different prediction techniques in the design of future outfalls. The physical processes along the 3000 km long coastline of South Africa are diverse, ranging from dynamic sub-tropical waters on the east coast to cold, stratified stagnant conditions on the west coast. Fourteen existing offsh

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13

Kilburn, R. N. "A BRIEF HISTORY OF MARINE MALACOLOGY IN SOUTH AFRICA." Transactions of the Royal Society of South Africa 54, no. 1 (1999): 31–41. http://dx.doi.org/10.1080/00359199909520402.

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14

Robinson, TB, CL Griffiths, CD McQuaid, and M. Rius. "Marine alien species of South Africa — status and impacts." African Journal of Marine Science 27, no. 1 (2005): 297–306. http://dx.doi.org/10.2989/18142320509504088.

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15

Moloney, C. L., S. T. Fennessy, M. J. Gibbons, et al. "Reviewing evidence of marine ecosystem change off South Africa." African Journal of Marine Science 35, no. 3 (2013): 427–48. http://dx.doi.org/10.2989/1814232x.2013.836135.

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16

Norris, R. E. "Some unusual marine red algae (Rhodophyta) from South Africa." Phycologia 30, no. 6 (1991): 582–96. http://dx.doi.org/10.2216/i0031-8884-30-6-582.1.

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17

Witbooi, E. "Current Legal Development: South Africa: Subsistence Fishing in South Africa: Implementation of the Marine Living Resources Act." International Journal of Marine and Coastal Law 17, no. 3 (2002): 431–40. http://dx.doi.org/10.1163/157180802401077108.

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18

Gibbons, Mark J., Steve H. D. Haddock, George I. Matsumoto, and Craig Foster. "Records of ctenophores from South Africa." PeerJ 9 (January 12, 2021): e10697. http://dx.doi.org/10.7717/peerj.10697.

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Although ctenophores can be conspicuous components of the plankton in coastal marine ecosystems, only six species have been formally described from around South Africa. Using photographs from local community scientists, we add a further three species (Cestum veneris, Beroe forskalii?, Ocyropsis maculata?) and six morphospecies to the regional fauna. These additions suggest that South Africa has a ctenophore fauna that is amongst the most diverse, globally; an observation in agreement with information from other taxa. Tips on how community scientists can improve their photographic contributions

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19

Griffiths, C. L., A. Mead, and T. B. Robinson. "A Brief History of Marine Bio-Invasions in South Africa." African Zoology 44, no. 2 (2009): 241–47. http://dx.doi.org/10.3377/004.044.0212.

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20

Wepener, V., and N. Degger. "Status of marine pollution research in South Africa (1960–present)." Marine Pollution Bulletin 64, no. 7 (2012): 1508–12. http://dx.doi.org/10.1016/j.marpolbul.2012.05.037.

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21

DAY, JENNY A. "Marine and estuarine studies in South Africa: an historical perspective." Transactions of the Royal Society of South Africa 55, no. 2 (2000): 101–5. http://dx.doi.org/10.1080/00359190009520436.

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22

Elwen, SH, M. Thornton, SP Kirkman, PA Pistorius, and CR Weir. "The first African Marine Mammal Colloquium, South Africa, May 2010." African Journal of Marine Science 33, no. 3 (2011): 349–51. http://dx.doi.org/10.2989/1814232x.2011.637615.

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23

Bolton, J. J., M. T. Davies-Coleman, and V. E. Coyne. "Innovative processes and products involving marine organisms in South Africa." African Journal of Marine Science 35, no. 3 (2013): 449–64. http://dx.doi.org/10.2989/1814232x.2013.830990.

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24

Dippenaar, SM. "Biodiversity and studies of marine symbiotic siphonostomatoids off South Africa." African Journal of Marine Science 38, no. 1 (2016): 1–5. http://dx.doi.org/10.2989/1814232x.2016.1161664.

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25

Mead, A., J. T. Carlton, C. L. Griffiths, and M. Rius. "Introduced and cryptogenic marine and estuarine species of South Africa." Journal of Natural History 45, no. 39-40 (2011): 2463–524. http://dx.doi.org/10.1080/00222933.2011.595836.

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26

Hiller, Norton, and Robert W. Gess. "Marine algal remains from the Upper Devonian of South Africa." Review of Palaeobotany and Palynology 91, no. 1-4 (1996): 143–49. http://dx.doi.org/10.1016/0034-6667(95)00062-3.

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27

Yang, Fan, Rui-Hua Ji, Jiang Li, Jian-Hong Gan, and Hou-Wen Lin. "N-Containing Metabolites from the Marine Sponge Agelas clathrodes." Natural Product Communications 8, no. 12 (2013): 1934578X1300801. http://dx.doi.org/10.1177/1934578x1300801213.

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A new bisuracil analogue, 3,3-bis(uracil-1-yl)-propan-1-aminium (1), together with four known N-containing metabolites (2–5), were isolated from the South China Sea sponge Agelas clathrodes. Their chemical structures were established on the basis of spectroscopic and spectrometric analysis and comparison with known compounds. Compound 1 is an unusual naturally occurring bisuracil analogue, and compound 2 was isolated from a natural source for the first time. Compounds 2 and 4 exhibit moderate cytotoxicity against cancer cell line SGC7901.

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28

Anteneh, Yitayal S., Qi Yang, Melissa H. Brown, and Christopher M. M. Franco. "Antimicrobial Activities of Marine Sponge-Associated Bacteria." Microorganisms 9, no. 1 (2021): 171. http://dx.doi.org/10.3390/microorganisms9010171.

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The misuse and overuse of antibiotics have led to the emergence of multidrug-resistant microorganisms, which decreases the chance of treating those infected with existing antibiotics. This resistance calls for the search of new antimicrobials from prolific producers of novel natural products including marine sponges. Many of the novel active compounds reported from sponges have originated from their microbial symbionts. Therefore, this study aims to screen for bioactive metabolites from bacteria isolated from sponges. Twelve sponge samples were collected from South Australian marine environmen

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29

Jury, Mark R. "Environmental controls on marine productivity near Cape St. Francis, South Africa." Ocean Science 15, no. 6 (2019): 1579–92. http://dx.doi.org/10.5194/os-15-1579-2019.

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Abstract. This study considers ocean–atmosphere influences on marine productivity over the shelf near Cape St. Francis, South Africa. Multiday estimates of chlorophyll fluorescence in the period 2006–2017 with an area outlined by 34.5–33.75∘ S and 24–26.5∘ E provide the basis for evaluation using data from high-resolution reanalyses. Correlations with the mean annual cycle of chlorophyll fluorescence were significant for salinity, linking marine productivity and the coastal hydrology. A strengthened Agulhas Current induces cyclonic shear that lifts water at the shelf edge. Composite high-chlor

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30

Jury, Mark R. "Marine climate change over the eastern Agulhas Bank of South Africa." Ocean Science 16, no. 6 (2020): 1529–44. http://dx.doi.org/10.5194/os-16-1529-2020.

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Abstract. The rate of change in the marine environment over the eastern Agulhas Bank along the south coast of South Africa (32–37∘ S, 20–30∘ E) is studied using reanalysis observations for 1900–2015 and coupled ensemble model projections for 1980–2100. Outcomes are influenced by resolution and time span: ∼ 1∘ datasets covering the whole period capture large-scale changes, while ∼ 0.5∘ datasets in the satellite era better distinguish the cross-shelf gradients. Although sea surface temperatures offshore are warming rapidly (0.05 ∘C yr−1 since 1980), a trend toward easterly winds and a locally st

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31

Silva, Simone M. F., and Richard N. Pienaar. "Marine Cyanophytes from the Western Cape, South Africa: Nostocales and Stigonematales." South African Journal of Botany 63, no. 6 (1997): 436–48. http://dx.doi.org/10.1016/s0254-6299(15)30797-3.

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32

Attwood, C. G., B. Q. Mann, J. Beaumont, and J. M. Harris. "Review of the state of marine protected areas in South Africa." South African Journal of Marine Science 18, no. 1 (1997): 341–67. http://dx.doi.org/10.2989/025776197784160910.

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33

Livingstone, T.-C., JM Harris, AT Lombard, AJ Smit, and DS Schoeman. "Classification of marine bioregions on the east coast of South Africa." African Journal of Marine Science 40, no. 1 (2018): 51–65. http://dx.doi.org/10.2989/1814232x.2018.1438316.

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34

Sowman, Merle, Maria Hauck, Lance van Sittert, and Jackie Sunde. "Marine Protected Area Management in South Africa: New Policies, Old Paradigms." Environmental Management 47, no. 4 (2010): 573–83. http://dx.doi.org/10.1007/s00267-010-9499-x.

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35

Dewar, Genevieve, Paula J. Reimer, Judith Sealy та Stephan Woodborne. "Late-Holocene marine radiocarbon reservoir correction (ΔR) for the west coast of South Africa". Holocene 22, № 12 (2012): 1481–89. http://dx.doi.org/10.1177/0959683612449755.

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In order to calibrate radiocarbon ages based on samples with a marine carbon component it is important to know the marine carbon reservoir correction or ΔR value. This study measured the ΔR on both known-age pre-bomb marine shells and paired marine and terrestrial samples from two regions on the west coast of South Africa: the southwestern Cape and Namaqualand. Pooling the data by region produces ΔR values that are similar enough to use a west coast weighted mean ΔR of 146 ± 85 14C years to correctly calibrate marine shell or mixed marine and terrestrial 14C ages. There are however temporal di

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36

Santos, Sónia A. O., Carla Vilela, Rui M. A. Domingues, et al. "Secondary metabolites from Eucalyptus grandis wood cultivated in Portugal, Brazil and South Africa." Industrial Crops and Products 95 (January 2017): 357–64. http://dx.doi.org/10.1016/j.indcrop.2016.10.044.

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37

Liu, Lu, Yao-Yao Zheng, Chang-Lun Shao, and Chang-Yun Wang. "Metabolites from marine invertebrates and their symbiotic microorganisms: molecular diversity discovery, mining, and application." Marine Life Science & Technology 1, no. 1 (2019): 60–94. http://dx.doi.org/10.1007/s42995-019-00021-2.

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Abstract Metabolites from marine organisms have proven to be a rich source for the discovery of multiple potent bioactive molecules with diverse structures. In recent years, we initiated a program to investigate the diversity of the secondary metabolites from marine invertebrates and their symbiotic microorganisms collected from the South China Sea. In this review, representative cases are summarized focusing on molecular diversity, mining, and application of natural products from these marine organisms. To provide a comprehensive introduction to the field of marine natural products, we highli

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38

Ugbenyen, A. M., S. Cosa, L. V. Mabinya, and A. I. Okoh. "Bioflocculant Production byBacillussp. Gilbert Isolated from a Marine Environment in South Africa." Прикладная биохимия и микробиология 50, no. 1 (2014): 59–64. http://dx.doi.org/10.7868/s0555109914010115.

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39

Mattson, Eric, and Mark C. Belk. "Intraspecific Morphological Variation in Two Common Marine Fish Species from South Africa." Open Fish Science Journal 6, no. 1 (2013): 87–91. http://dx.doi.org/10.2174/1874401x01306010087.

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Intraspecific morphological variation in fish is typically associated with sexual dimorphism, or one of three common environmental gradients: variation in intensity of predation, variation in water velocity, or variation in feeding niche. The preponderance of examples of environment-associated morphological variation within fish species has been documented in freshwater systems. It is not clear whether environment-associated intraspecific morphological variation is less common in marine fishes or whether there has just been a lack of investigation. We used geometric morphometric analysis to qu

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40

Steinke, T. D., and E. B. Gareth Jones. "Marine and mangrove fungi from the Indian Ocean coast of South Africa." South African Journal of Botany 59, no. 4 (1993): 385–90. http://dx.doi.org/10.1016/s0254-6299(16)30711-6.

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41

Hockey, P. A. R., and G. M. Branch. "Criteria, objectives and methodology for evaluating marine protected areas in South Africa." South African Journal of Marine Science 18, no. 1 (1997): 369–83. http://dx.doi.org/10.2989/025776197784160884.

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42

Attwood, C. G., J. M. Harris, and A. J. Williams. "International experience of marine protected areas and their relevance to South Africa." South African Journal of Marine Science 18, no. 1 (1997): 311–32. http://dx.doi.org/10.2989/025776197784161162.

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43

Smit, Nico J., and Kerry A. Hadfield. "Marine fish parasitology in South Africa: history of discovery and future direction." African Zoology 50, no. 2 (2015): 79–92. http://dx.doi.org/10.1080/15627020.2015.1043644.

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44

Griffiths, Charles L., Tamara B. Robinson, Louise Lange, and Angela Mead. "Marine Biodiversity in South Africa: An Evaluation of Current States of Knowledge." PLoS ONE 5, no. 8 (2010): e12008. http://dx.doi.org/10.1371/journal.pone.0012008.

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45

Bray, Rodney A. "Some helminth parasites of marine fishes of south Africa: family Opecoelidae (Digenea)." Journal of Natural History 21, no. 4 (1987): 1049–75. http://dx.doi.org/10.1080/00222938700770651.

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46

Klein, Richard G. "Middle Stone Age marine resource exploitation at Ysterfontein 1 rockshelter, South Africa." Proceedings of the National Academy of Sciences 118, no. 31 (2021): e2107978118. http://dx.doi.org/10.1073/pnas.2107978118.

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47

Barnardo, Toshka, Tanna Mae van Niekerk, Lorien Pichegru, and Danica Marlin. "The first baseline estimation of marine litter in Port Elizabeth, South Africa." Marine Pollution Bulletin 172 (November 2021): 112903. http://dx.doi.org/10.1016/j.marpolbul.2021.112903.

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48

Maboya, Matjie L., Michael E. Meadows, Paula J. Reimer, Björn C. Backeberg, and Torsten Haberzettl. "Late Holocene Marine Radiocarbon Reservoir Correction for the Southern and Eastern Coasts of South Africa." Radiocarbon 60, no. 2 (2017): 571–82. http://dx.doi.org/10.1017/rdc.2017.139.

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AbstractThe marine reservoir effect is the difference in radiocarbon (14C) between the atmosphere and the marine surface ocean. To overcome the dating errors induced, it is necessary to correct marine 14C ages for this effect. ΔR is the difference between the marine 14C age and the marine calibration curve based on an ocean-atmosphere box diffusion model, which accounts for the time delay in diffusion of carbon into the ocean from the atmosphere and biosphere. This global assessment, however, requires computation of a regional ∆R value for calibration to cater for studies based on a local scal

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49

Chircop, Aldo, Julius Francis, Rudy Van Der Elst, et al. "Governance of Marine Protected Areas in East Africa: A Comparative Study of Mozambique, South Africa, and Tanzania." Ocean Development & International Law 41, no. 1 (2010): 1–33. http://dx.doi.org/10.1080/00908320903285398.

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50

Franceschini, G., and J. S. Compton. "Aeolian and marine deposits of the Tabakbaai Quarry area, western Cape, South Africa." South African Journal of Geology 107, no. 4 (2004): 619–32. http://dx.doi.org/10.2113/gssajg.107.4.619.

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