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Browsing Research Articles (University of Pretoria) by Author "Zablocki, Olivier"
Now showing items 1-8 of 8
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Zablocki, Olivier; Pietersen, Gerhard (Springer, 2014-08)Tristeza disease (caused by citrus tristeza virus, CTV) is currently controlled in South Africa by means of cross-protection. In this study, we characterized the CTV populations of three grapefruit mild strain 12 (GFMS12) ...
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Zablocki, Olivier; Adriaenssens, Evelien M.; Cowan, Don A. (American Society for Microbiology, 2016-02)In recent years, remarkable progress has been made in the field of virus environmental ecology. In marine ecosystems for example, viruses are now thought to play pivotal roles in the biogeochemical cycling of nutrients ...
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Zablocki, Olivier; Rybicki, E.P.; Cowan, Don A. (American Phytopathological Society, 2014-12)Chlorotic, streak-like symptoms were observed in April 2013 on a single specimen of Albuca rautanenii (Schinz) J.C.Manning & Goldblatt (Family: Hyacinthaceae) found among other plants near Homeb in the Namib Desert, ...
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Scott, Katherine Anne; Hlela, Quinsile; Zablocki, Olivier; Read, David Alan; Van Vuuren, Stephanus; Pietersen, Gerhard (Springer, 2013-01)Citrus tristeza virus (CTV) causes severe losses in grapefruit production in South Africa and requires mild strain cross-protection to maintain production. Unfortunately cross-protection breakdown of the pre4 immunizing ...
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Zablocki, Olivier; Van Zyl, Leonardo J.; Adriaenssens, Evelien M.; Rubagotti, Enrico; Tuffin, Marla I.; Cary, Julie A.; Cowan, Don A. (American Society for Microbiology, 2014-11)The metaviromes of two distinct Antarctic hyperarid desert soil communities have been characterized. Hypolithic communities, cyanobacterium-dominated assemblages situated on the ventral surfaces of quartz pebbles embedded ...
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Zablocki, Olivier; Adriaenssens, Evelien M.; Frossard, Aline; Seely, Mary; Ramond, Jean-Baptiste; Cowan, Don A. (American Society for Microbiology, 2017-01-12)The Namib Desert in southwest Africa is hyperarid and composed of distinct microbial communities affected by a longitudinal aridity gradient. Here, we report four soil metaviromes from the Namib Desert, assessed using ...
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Scola, Vincent; Ramond, Jean-Baptiste; Frossard, Aline; Zablocki, Olivier; Adriaenssens, Evelien M.; Johnson, Riegardt M.; Seely, Mary; Cowan, Don A. (Springer, 2018-01)The hyperarid Namib desert is a coastal desert in southwestern Africa and one of the oldest and driest deserts on the planet. It is characterized by a west/east increasing precipitation gradient and by regular coastal fog ...
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Zablocki, Olivier; Adriaenssens, Evelien M.; Rubagotti, Enrico; Tuffin, Marla I.; Cowan, Don A.; Van Zyl, Lonnie; Cary, Stephen Craig (Taylor and Francis, 2014-12)The metaviromes from 2 different Antarctic terrestrial soil niches have been analyzed. Both hypoliths (microbial assemblages beneath transluscent rocks) and surrounding open soils showed a high level diversity of ...
Now showing items 1-8 of 8