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Journal articles on the topic 'Proteas'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Mazinter, Luisa, Michael M. Goldman, and Jennifer Lindsey-Renton. "Cricket South Africa’s Protea Fire brand." Emerald Emerging Markets Case Studies 7, no. 1 (April 18, 2017): 1–20. http://dx.doi.org/10.1108/eemcs-05-2016-0081.

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Subject area Marketing, Sports marketing and Social media marketing. Study level/applicability Graduate level. Case overview This case, based on field research and multiple secondary sources, documents the 12-month period since early 2014 during which Cricket South Africa (CSA) developed the Protea Fire brand for their national men’s cricket team, known as the Proteas. In mid-2014, Marc Jury, the Commercial and Marketing manager of CSA set up a project team to take the previously in-house Protea Fire brand public. With the 2015 Cricket World Cup in Australia and New Zealand less than a year away, Jury worked with a diverse project team of Proteas players, cricket brand managers and external consultants to build a public brand identity for the national team, to nurture greater fan affinity and to mobilize South Africans behind their team for the World Cup. The project team developed a range of Protea Fire multimedia content as the core of the campaign. These included video diaries, scripts which were written by the Proteas players themselves, player profile videos, motivational team-talk videos and good luck video messages featuring ordinary and famous South Africans. Having invested in creating this content, the project team faced the difficult task of allocating a limited media budget to broadcast and amplify the content. Another significant challenge was to ensure that the Proteas team values were authentically communicated across all content, including via the social media strategy using Twitter, Instagram and YouTube. As the World Cup tournament kicked off on February 14th 2015, South Africa was well placed to overcome their previous inability to reach a final, although Jury wondered whether another exit in the knockout round would weaken the strong and positive emotions the Protea Fire campaign had ignited. With the last two balls remaining in South Africa’s semi-final game against New Zealand on March 24th 2015, and the home team requiring just five runs to win, Jury joined 60 million South Africans hoping that Protea Fire was strong enough. The case concludes with South Africa losing the semi-final game and Jury turning his attention to how the #ProteaFire campaign should respond. Expected learning outcomes This study aimed to analyse the development of a sport team brand and a megaevent campaign; to assess the efficiency and effectiveness of a marketing campaign; and to consider appropriate brand responses to the team’s failure to deliver on expectations. Subject code CSS 8: Marketing.

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2

COETZEE, J. H., D. J. RUST, and L. M. LATSKY. "MITES (ACARI) ON PROTEAS." Acta Horticulturae, no. 185 (June 1986): 247–52. http://dx.doi.org/10.17660/actahortic.1986.185.27.

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3

Parvin, P. E., R. A. Criley, and J. H. Coetzee. "PROTEAS - A DYNAMIC INDUSTRY." Acta Horticulturae, no. 602 (March 2003): 123–26. http://dx.doi.org/10.17660/actahortic.2003.602.17.

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4

Reid, M. S., W. Doorn, and Julie P. Newman. "LEAF BLACKENING IN PROTEAS." Acta Horticulturae, no. 261 (December 1989): 81–84. http://dx.doi.org/10.17660/actahortic.1989.261.9.

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5

Ben-Jaacov, J. "FLORICULTURE AND PROTEAS IN ISRAEL." Acta Horticulturae, no. 316 (December 1992): 7–8. http://dx.doi.org/10.17660/actahortic.1992.316.1.

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6

Edwards, Kate, J. S. Beard, and Lura Ripley. "The Proteas of Tropical Africa." Kew Bulletin 49, no. 4 (1994): 829. http://dx.doi.org/10.2307/4118080.

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7

Beard, J. S. "THE PROTEAS OF TROPICAL AFRICA." Acta Horticulturae, no. 387 (June 1995): 19–22. http://dx.doi.org/10.17660/actahortic.1995.387.2.

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8

Stephens, Iain A., Celeste Meyer, Deirdre M. Holcroft, and Gerard Jacobs. "Carbohydrates and Postharvest Leaf Blackening of Proteas." HortScience 40, no. 1 (February 2005): 181–84. http://dx.doi.org/10.21273/hortsci.40.1.181.

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Glucose, fructose, sucrose, and starch concentrations were determined in leaves and inflorescences of protea cutflower cultivars soon after harvest and at the onset of leaf blackening while standing in water. At the onset of leaf blackening sugars and starch were lower in both inflorescences and leaves. Proportionately, sugars and starch decreased more in leaves than in inflorescences. Flower-bearing shoots of `Sylvia' were pulsed individually with 5% glucose solution until each shoot had taken up 10 mL solution. Water served for control treatment. Flowers were then stored for 21 days at 1 °C. After pulsing and after cold storage groups of flowering shoots were separated into inflorescence, leaf and stem components and glucose and starch content determined. Glucose content, determined upon completion of pulsing treatments, was significantly greater in all shoot components of shoots pulsed glucose compared with nonpulsed control shoots. Glucose content of leaves was significantly greater after storage for shoots pulsed than control shoots. Starch content of leaves determined upon completion of pulsing treatments was significantly greater in shoots pulsed with glucose than that of controls. There was a significant decrease in starch content for all tissue types during 21 days of storage. Pulsing flower stems of seven protea cultivars before 3 weeks cold storage significantly reduced the incidence of leaf blackening when assessed both on day 1, and again on day 7 after 3 weeks of cold storage. Supplementing holding solutions with 1% or 2% glucose reduced leaf blackening of proteas pulsed with glucose and cold stored for 3 weeks.

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9

Lamont, Byron B. "THE SIGNIFICANCE OF PROTEOID ROOTS IN PROTEAS." Acta Horticulturae, no. 185 (June 1986): 163–70. http://dx.doi.org/10.17660/actahortic.1986.185.17.

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10

Claassens, A. S. "SOME ASPECTS OF THE NUTRITION OF PROTEAS." Acta Horticulturae, no. 185 (June 1986): 171–80. http://dx.doi.org/10.17660/actahortic.1986.185.18.

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11

Newman, Julie P., W. Doorn, and M. S. Reid. "CARBOHYDRATE STRESS CAUSES LEAF BLACKENING IN PROTEAS." Acta Horticulturae, no. 264 (April 1990): 103–8. http://dx.doi.org/10.17660/actahortic.1990.264.12.

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12

Stephens, Iain A., Gerard Jacobs, and Deirdre M. Holcroft. "Glucose prevents leaf blackening in ‘Sylvia’ proteas." Postharvest Biology and Technology 23, no. 3 (December 2001): 237–40. http://dx.doi.org/10.1016/s0925-5214(01)00167-3.

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13

Steenhuisen, S. L., and S. D. Johnson. "A beetle pollination system in grassland proteas." South African Journal of Botany 73, no. 2 (April 2007): 337. http://dx.doi.org/10.1016/j.sajb.2007.02.194.

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14

Prunier, Rachel, and Andrew Latimer. "Microsatellite primers in the white proteas (Protea section Exsertae , Proteaceae), a rapidly radiating lineage." American Journal of Botany 97, no. 1 (January 2010): e1-e3. http://dx.doi.org/10.3732/ajb.0900326.

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15

Brinkhuis, M., A. Robyn, and J. H. Coetzee. "PROTEAS AND RURAL FARMING SYSTEMS IN SOUTH AFRICA." Acta Horticulturae, no. 545 (February 2001): 121–24. http://dx.doi.org/10.17660/actahortic.2001.545.17.

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16

Moura, M. F., and P. F. Rodrigues. "FUNGAL DISEASES ON PROTEAS IDENTIFIED IN MADEIRA ISLAND." Acta Horticulturae, no. 545 (February 2001): 265–68. http://dx.doi.org/10.17660/actahortic.2001.545.34.

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17

CHALOUPKA, J., J. PAZLAROVÁ, M. DVOŘÁKOVÁ, H. KUČEROVÁ, M. STRNADOVÁ, L. VÁCHOVÁ, and J. VOTRUBA. "Regulation of synthesis of exocellular proteases with bacilli." Kvasny Prumysl 32, no. 7 (July 1, 1986): 191–94. http://dx.doi.org/10.18832/kp1986052.

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18

Rodríguez Pérez, J. A. "INTRODUCTION OF PROTEAS FOR CUT FLOWER AND FOLIAGE IN TENERIFE." Acta Horticulturae, no. 246 (September 1989): 265–68. http://dx.doi.org/10.17660/actahortic.1989.246.32.

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19

von Broembsen, S. L., and G. J. Brits. "CONTROL OF PHYTOPHTHORA ROOT ROT OF PROTEAS IN SOUTH AFRICA." Acta Horticulturae, no. 185 (June 1986): 201–8. http://dx.doi.org/10.17660/actahortic.1986.185.21.

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20

Dunne, C. P., B. Dell, and G. E. St. J. Hardy. "SUDDEN DEATH IN PROTEAS IN THE SOUTHWEST OF WESTERN AUSTRALIA." Acta Horticulturae, no. 602 (March 2003): 39–44. http://dx.doi.org/10.17660/actahortic.2003.602.4.

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21

Fernández-Falcón, M., C. E. Alvarez-González, and J. A. Rodríguez-Pérez. "MICRONUTRIENTS IN SOILS SUITABLE FOR PROTEAS IN TENERIFE (CANARY ISLANDS)." Acta Horticulturae, no. 602 (March 2003): 53–59. http://dx.doi.org/10.17660/actahortic.2003.602.6.

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22

Von Broembsen, S. L. "Phytophthora Root Rot of Commercially Cultivated Proteas in South Africa." Plant Disease 69, no. 3 (1985): 211. http://dx.doi.org/10.1094/pd-69-211.

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23

Stephens, Iain A., Deirdre M. Holcroft, and Gerard Jacobs. "LOW TEMPERATURES AND GIRDLING EXTEND VASE LIFE OF ¿SYLVIA¿ PROTEAS." Acta Horticulturae, no. 545 (February 2001): 205–14. http://dx.doi.org/10.17660/actahortic.2001.545.28.

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24

Knox-Davies, P. S., P. S. van Wyk, and W. F. O. Marasas. "DISEASES OF PROTEAS AND THEIR CONTROL IN THE SOUTH-WESTERN CAPE." Acta Horticulturae, no. 185 (June 1986): 189–200. http://dx.doi.org/10.17660/actahortic.1986.185.20.

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25

Smith, A., W. J. Steyn, and E. W. Hoffman. "INVOLUCRAL BRACT BROWNING IN PROTEAS - THE WHAT, HOW AND WHAT NOW?" Acta Horticulturae, no. 1097 (September 2015): 125–32. http://dx.doi.org/10.17660/actahortic.2015.1097.14.

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26

Bond, W. J. "Proteas as ‘tumbleseeds’: Wind dispersal through the air and over soil." South African Journal of Botany 54, no. 5 (October 1988): 455–60. http://dx.doi.org/10.1016/s0254-6299(16)31277-7.

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27

Cutting, Jonathan G. M. "Determination of the cytokinin complement in healthy and witchesbroom malformed proteas." Journal of Plant Growth Regulation 10, no. 1-4 (December 1991): 85–89. http://dx.doi.org/10.1007/bf02279317.

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28

Wright, M. "INTEGRATED PEST MANAGEMENT - CONCEPTS AND POTENTIAL FOR THE CONTROL OF BORERS ON PROTEAS." Acta Horticulturae, no. 387 (June 1995): 153–58. http://dx.doi.org/10.17660/actahortic.1995.387.17.

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29

Hernández, Mercedes, Marino Fernández‐Falcón, and Carlos E. Alvarez. "Study of Soil Fertility and Plant Nutrition of Proteas Cultivated under Subtropical Conditions." Communications in Soil Science and Plant Analysis 39, no. 13-14 (July 2008): 2146–68. http://dx.doi.org/10.1080/00103620802135427.

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30

Turnbull, L. V., and L. R. Crees. "FIELD STUDIES ON THE EFFECTIVENESS OF PHOSPHONATE SUPPRESSION OF PHYTOPHTHORA ROOT ROT IN PROTEAS." Acta Horticulturae, no. 387 (June 1995): 141–52. http://dx.doi.org/10.17660/actahortic.1995.387.16.

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31

Vlok, J. H. J., and R. I. Yeaton. "Competitive interactions between overstorey proteas and sprouting understorey species in South African mountain fynbos." Diversity Distributions 6, no. 6 (November 2000): 273–81. http://dx.doi.org/10.1046/j.1472-4642.2000.00090.x.

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32

Bethencourt Díaz, L. M., C. Prendes Ayala, and C. D. Lorenzo Bethencourt. "PRELIMINARY STUDY OF FUNGI ON AERIAL PARTS OF PROTEAS GROWN IN TENERIFE (CANARY ISLANDS)." Acta Horticulturae, no. 545 (February 2001): 275–79. http://dx.doi.org/10.17660/actahortic.2001.545.36.

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33

Van Wyk, P. W. J., and M. J. Wingfield. "Ascospore development in Ceratocystis sensu lato (Fungi): a review." Bothalia 20, no. 2 (October 17, 1990): 141–45. http://dx.doi.org/10.4102/abc.v20i2.907.

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Ceratocystis. Ceratocxstiopsis and Ophiostoma are important pathogens of trees and some agricultural crops and have recently been found on proteas and forest trees in South Africa. Taxonomic controversy exists regarding these genera and ultrastructural studies on the development of asci, uniquely shaped ascospores and centrum structure are inadequate. This rev iew summarises current knowledge of ascospore shape and development of the centrum obtained from light and electron microscope studies of Cemtocystis sensu lato. Important questions requiring further investigations are outlined. It is furthermore proposed that additional ultrastructural studies are required to clarify the current taxonomic disagreement in this group. Such studies could also identify relationships between these fungi and other Ascomycetes.

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34

Von Broembsen, S. L., and J. A. Van der Merwe. "CANKER AND DIE-BACK OF CUT-FLOWER PROTEAS CAUSED BY BOTRYOSPHAERIA DOTHIDEA: EPIDEMIOLOGY AND CONTROL." Acta Horticulturae, no. 264 (April 1990): 133. http://dx.doi.org/10.17660/actahortic.1990.264.16.

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35

Sauquet, Hervé, Peter H. Weston, Nigel P. Barker, Cajsa Lisa Anderson, David J. Cantrill, and Vincent Savolainen. "Using fossils and molecular data to reveal the origins of the Cape proteas (subfamily Proteoideae)." Molecular Phylogenetics and Evolution 51, no. 1 (April 2009): 31–43. http://dx.doi.org/10.1016/j.ympev.2008.12.013.

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36

Hawkins, Heidi-J., Hans Hettasch, Adam G. West, and Michael D. Cramer. "Hydraulic redistribution by Protea 'Sylvia' (Proteaceae) facilitates soil water replenishment and water acquisition by an understorey grass and shrub." Functional Plant Biology 36, no. 8 (2009): 752. http://dx.doi.org/10.1071/fp09046.

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Proteaceae of the Cape Floristic Region, South Africa, transpire throughout the summer drought, implying access to deep water. Hydraulic redistribution by Protea ‘Sylvia’ [P. susannae E. Phillips × P. exima (Salisb. Ex Knight) Fource; Proteaceae] was investigated in overnight pot and field experiments, where it was hypothesised that (1) Proteaceae replenish water in upper soil layers, (2) hydraulic redistribution facilitates nutrient uptake and (3) shallow-rooted understorey plants ‘parasitise’ water from proteas. Potted Sylvias redistributed ~17% of the tritiated water supplied, equating to 34 ± 1.2 mL plant−1. Shallow-rooted Cyanodon dactylon (L.) Pers. (Poaceae), plants growing in the same pots as Sylvia contained amounts of labelled water similar to those found in Sylvia, indicting water parasitism. In the field, Sylvia plants growing in aeolian sands took up the deuterated water applied at 1.2 m depth as indicated by increased δ2H of plant xylem water from –38 ± 0.8 to 334 ± 157‰. This deuterated water was then redistributed to the upper soil layer (0.2 and 0.4 m), as indicated by increased δ2H of soil water from –24.5 ± 0.7 to –8.0 ± 3.0‰ and soil moisture from 0.48 to 0.89%. Lithium, as a K-analogue, was taken up equally by plants watered with deep water and those not watered, probably since both had access to naturally-occurring deep water. Water in stems of the shallow-rooted understorey shrub, Leysera gnaphalodes (L.) L. (Asteraceae) had similar δ2H values to stems of Sylvia (P = 0.939), again indicating water parasitism was tightly coupled to the protea. We conclude that hydraulic redistribution by Proteaceae plays an important role in soil water replenishment, water supply to shallow-rooted plants, and, thus, ecosystem structure and function during the summer drought of the Cape Floristic Region.

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37

Davies, Gregory B. P., Raymond M. Miller, and Burgert S. Muller. "A New Genus of Lauxaniid Fly from South Africa (Diptera: Acalyptratae: Lauxaniidae), Associated with Proteas (Proteaceae)." African Invertebrates 53, no. 2 (December 2012): 615–36. http://dx.doi.org/10.5733/afin.053.0201.

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38

Bag, Abhrajit, and Arijit Bag. "Search for Natural Alkaloids as SARS-CoV-2 Proteas and RdRp Inhibitors: A Docking-Based Study." Acta Scientific Pharmaceutical Sciences 4, no. 11 (October 28, 2020): 77–81. http://dx.doi.org/10.31080/asps.2020.04.0620.

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39

Tok, F. M., and F. Avcı. "First Report of Phytophthora Root Rot Caused by Phytophthora cinnamomi on Commercially Cultivated Proteas in Turkey." Plant Disease 99, no. 8 (August 2015): 1181. http://dx.doi.org/10.1094/pdis-11-14-1187-pdn.

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40

Vlok, J. H. J., and R. I. Yeaton. "The effect of overstorey proteas on plant species richness in South African mountain fynbos. BIODIVERSITY RESEARCH." Diversity Distributions 5, no. 5 (September 1999): 213–22. http://dx.doi.org/10.1046/j.1472-4642.1999.00055.x.

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41

Sasa, A., and M. J. Samways. "Arthropod Assemblages Associated with Wild and Cultivated Indigenous Proteas in the Grabouw area, Cape Floristic Region." African Entomology 23, no. 1 (March 2015): 19–36. http://dx.doi.org/10.4001/003.023.0130.

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42

Papadopoulos, Alex, Theocharis Tsoutsos, Maria Frangou, Kostas Kalaitzakis, Nikos Stefanakis, and Andreas G. Boudouvis. "Innovative optics for concentrating photovoltaic/thermal (CPVT) systems – the case of the PROTEAS Solar Polygeneration System." International Journal of Sustainable Energy 36, no. 8 (October 19, 2015): 775–86. http://dx.doi.org/10.1080/14786451.2015.1100195.

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43

Lamont, Byron B., Tianhua He, and Katherine S. Downes. "Adaptive responses to directional trait selection in the Miocene enabled Cape proteas to colonize the savanna grasslands." Evolutionary Ecology 27, no. 6 (April 21, 2013): 1099–115. http://dx.doi.org/10.1007/s10682-013-9645-z.

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44

Geis, Arnold, Wilhelm Bockelmann, and Michael Teuber. "Simultaneous extraction and purification of a cell wall-associated peptidase and β-casein specific proteas fromStreptococcus cremoris AC1." Applied Microbiology and Biotechnology 23, no. 1 (November 1985): 79–84. http://dx.doi.org/10.1007/bf02660123.

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45

Lamont, Byron B., and María Pérez-Fernández. "Total growth and root-cluster production by legumes and proteas depends on rhizobacterial strain, host species and nitrogen level." Annals of Botany 118, no. 4 (June 9, 2016): 725–32. http://dx.doi.org/10.1093/aob/mcw090.

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46

Pal, Rimesh, Rajsmita Bhattacharjee, and Anil Bhansali. "Protean manifestations of Proteus syndrome." Postgraduate Medical Journal 94, no. 1113 (April 6, 2018): 416. http://dx.doi.org/10.1136/postgradmedj-2018-135731.

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47

Watanabe, Katsuji, and Koichi Hayano. "Source of soil protease in paddy fields." Canadian Journal of Microbiology 39, no. 11 (November 1, 1993): 1035–40. http://dx.doi.org/10.1139/m93-157.

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Properties of soil proteases and proteases from Bacillus spp. obtained from water-logged paddy fields treated with organic manure or chemical fertilizer or not treated with fertilizer were compared to elucidate the sources of soil proteases. The major extractable soil proteases were metal chelator sensitive neutral proteases that were active in hydrolyzing benzyloxycarbonyl-L-phenylalanyl-L-leucine and benzyloxycarbonyl-L-phenylalanyl-L-tyrosyl-L-leucine. In this respect they resembled extracellular proteases from Bacillus subtilis (six isolates), Bacillus cereus (four isolates), and Bacillus mycoides (three isolates) isolated from the same fields. The major extractable soil protease from the manured field was a serine neutral protease that was active in hydrolyzing casein. It resembled an extracellular protease from B. subtilis (eight isolates) isolated from the same field. Extractable soil proteases accounted for 18–96% of the total soil protease in the aforementioned soil. We concluded that a major source of soil protease in water-logged paddy fields is proteolytic Bacillus spp.Key words: soil protease, metal chelator sensitive neutral protease, serine neutral protease, proteolytic Bacillus spp.

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48

Shibata, M., H. Kanou, T. Nezu, M. Ohara, and M. Fukuzawa. "INCREASED SOLUBLE SUPPRESSIVE FACTORS FOR CELL-MEDIATED IMMUNE REACTION IN PATIENTS WITH ADVANCED CANCER MAY BE DECREASED BY PROTEAS INHIBITORS." Journla of Immunotherapy 22, no. 5 (September 1999): 468. http://dx.doi.org/10.1097/00002371-199909000-00066.

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49

Turnbull, L. V., H. J. Ogle, A. M. Stirling, and P. J. Dart. "Preliminary investigations into the influence of Pseudomonas cepacia on infection and survival of proteas in Phytophthora cinnamomi infected potting mix." Scientia Horticulturae 52, no. 3 (November 1992): 257–63. http://dx.doi.org/10.1016/0304-4238(92)90026-9.

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50

Mallia-Milanes, Brendan, Antoine Dufour, Christopher Philp, Nestor Solis, Theo Klein, Marlies Fischer, Charlotte E. Bolton, Steven Shapiro, Christopher M. Overall, and Simon R. Johnson. "TAILS proteomics reveals dynamic changes in airway proteolysis controlling protease activity and innate immunity during COPD exacerbations." American Journal of Physiology-Lung Cellular and Molecular Physiology 315, no. 6 (December 1, 2018): L1003—L1014. http://dx.doi.org/10.1152/ajplung.00175.2018.

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Dysregulated protease activity is thought to cause parenchymal and airway damage in chronic obstructive pulmonary disease (COPD). Multiple proteases have been implicated in COPD, and identifying their substrates may reveal new disease mechanisms and treatments. However, as proteases interact with many substrates that may be protease inhibitors or proteases themselves, these webs of protease interactions make the wider consequences of therapeutically targeting proteases difficult to predict. We therefore used a systems approach to determine protease substrates and protease activity in COPD airways. Protease substrates were determined by proteomics using the terminal amine isotopic labeling of substrates (TAILS) methodology in paired sputum samples during stable COPD and exacerbations. Protease activity and specific protein degradation in airway samples were assessed using Western blotting, substrate assays, and ex vivo cleavage assays. Two hundred ninety-nine proteins were identified in human COPD sputum, 125 of which were proteolytically processed, including proteases, protease inhibitors, mucins, defensins, and complement and other innate immune proteins. During exacerbations, airway neutrophils and neutrophil proteases increased and more proteins were cleaved, particularly at multiple sites, consistent with degradation and inactivation. During exacerbations, different substrates were processed, including protease inhibitors, mucins, and complement proteins. Exacerbations were associated with increasing airway elastase activity and increased processing of specific elastase substrates, including secretory leukocyte protease inhibitor. Proteolysis regulates multiple processes including elastase activity and innate immune proteins in COPD airways and differs during stable disease and exacerbations. The complexity of protease, inhibitor, and substrate networks makes the effect of protease inhibitors hard to predict which should be used cautiously.

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