Browsing by UP Author "Makhalanyane, Thulani P."

Browsing by UP Author "Makhalanyane, Thulani P."

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  • Ecology and biogeochemistry of cyanobacteria in soils, permafrost, aquatic and cryptic polar habitats 
    Makhalanyane, Thulani P.; Valverde, Angel; Velázquez, David; Gunnigle, Eoin; Van Goethem, Marc W.; Quesada, Antonio; Cowan, Don A. (Springer, 2015-04)
    Polar Regions (continental Antarctica and the Arctic) are characterized by a range of extreme environmental conditions, which impose severe pressures on biological life. Polar cold-active cyanobacteria are uniquely adapted ...
  • Energy from thin air  
    Cowan, Don A.; Makhalanyane, Thulani P. (Nature Publishing Group, 2017-12-06)
    Advanced genomic-analysis techniques now suggest that microbial communities in cold, nutrient-poor Antarctic soils can acquire their energy from the oxidation of trace gases, rather than by photosynthesis.
  • Environmental drivers of viral community composition in Antarctic soils identified by viromics 
    Adriaenssens, Evelien M.; Kramer, Rolf; Van Goethem, Marc W.; Makhalanyane, Thulani P.; Hogg, Ian D.; Cowan, Don A. (BioMed Central, 2017-07-19)
    BACKGROUND : The Antarctic continent is considered the coldest and driest place on earth with simple ecosystems, devoid of higher plants. Soils in the ice-free regions of Antarctica are known to harbor a wide range ...
  • Evidence for successional development in Antarctic hypolithic bacterial communities 
    Makhalanyane, Thulani P.; Valverde, Angel; Cary, Stephen Craig; Birkeland, Nils-Kare; Tuffin, Marla I.; Cowan, Don A. (Nature Publishing Group, 2013-11)
    Hypoliths (cryptic microbial assemblages that develop on the undersides of translucent rocks) are significant contributors to regional C and N budgets in both hot and cold deserts. Previous studies in the Dry Valleys ...
  • Evidence of microbial rhodopsins in Antarctic Dry Valley edaphic systems 
    Guerrero, Leandro D.; Vikram, Surendra; Makhalanyane, Thulani P.; Cowan, Don A. (Wiley, 2017-09)
    Microorganisms able to synthesize rhodopsins have the capacity to translocate ions through their membranes, using solar energy to generate a proton motive force. Rhodopsins are the most abundant phototrophic proteins in ...
  • Four Lentisphaerae family metagenome-assembled genomes from the South Atlantic ocean 
    Makinde, Oluwatayo A.; Lunga, Percy Mutseka; Bezuidt, Oliver Keoagile Ignatius; Makhalanyane, Thulani P. (American Society for Microbiology, 2022-08-08)
    We present four Lentisphaerae metagenome-assembled genomes (MAGs) from the South Atlantic Ocean. The medium-quality genomes, affiliated with the family of Lentisphaeraceae, ranged from 4.86 to 5.46 Mbp and harbored the ...
  • The functional potential of the rhizospheric microbiome of an invasive tree species, Acacia dealbata 
    Kamutando, Casper N.; Vikram, Surendra; Makhalanyane, Thulani P.; Greve, Michelle; Le Roux, Johannes J.; Richardson, David M.; Cowan, Don A.; Valverde, Angel (Springer, 2019-01)
    Plant-microbe interactions mediate both the invasiveness of introduced plant species and the impacts that they have in invaded ecosystems. Although the phylogenetic composition of the rhizospheric microbiome of Acacia ...
  • The Geobacillus pan-genome : implications for the evolution of the genus 
    Bezuidt, Keoagile Ignatius Oliver; Pierneef, Rian Ewald; Gomri, Amin M.; Adesioye, Fiyinfoluwa Adenike; Makhalanyane, Thulani P.; Kharroub, Karima; Cowan, Don A. (Frontiers Research Foundation, 2016-05-24)
    The genus Geobacillus is comprised of a diverse group of spore-forming Gram-positive thermophilic bacterial species and is well known for both its ecological diversity and as a source of novel thermostable enzymes. ...
  • The global distribution and environmental drivers of the soil antibiotic resistome 
    Delgado‑Baquerizo, Manuel; Hu, Hang‑Wei; Maestre, Fernando T.; Guerra, Carlos A.; Eisenhauer, Nico; Eldridge, David J.; Zhu, Yong‑Guan; Chen, Qing‑Lin; Trivedi, Pankaj; Du, Shuai; Makhalanyane, Thulani P. (BMC, 2022-12-12)
    BACKGROUND : Little is known about the global distribution and environmental drivers of key microbial functional traits such as antibiotic resistance genes (ARGs). Soils are one of Earth’s largest reservoirs of ARGs, which ...
  • Global homogenization of the structure and function in the soil microbiome of urban greenspaces 
    Delgado-Baquerizo, Manuel; Eldridge, David J.; Liu, Yu-Rong; Sokoya, Blessing; Wang, Jun-Tao; Hu, Hang-Wei; He, Ji-Zheng; Bastida, Felipe; Moreno, José L.; Bamigboye, Adebola R.; Blanco-Pastor, José L.; Cano-Díaz, Concha; Illán, Javier G.; Makhalanyane, Thulani P.; Siebe, Christina; Trivedi, Pankaj; Zaady, Eli; Verma, Jay Prakash; Wang, Ling; Wang, Jianyong; Grebenc, Tine; Peñaloza-Bojacá, Gabriel F.; Nahberger, Tina U.; Teixido, Alberto L.; Zhou, Xin-Quan; Berdugo, Miguel; Duran, Jorge; Rodríguez, Alexandra; Zhou, Xiaobing; Alfaro, Fernando; Abades, Sebastian; Plaza, Cesar; Singh, Brajesh K.; Tedersoo, Leho; Fierer, Noah (American Association for the Advancement of Science, 2021-07)
    The structure and function of the soil microbiome of urban greenspaces remain largely undetermined. We conducted a global field survey in urban greenspaces and neighboring natural ecosystems across 56 cities from ...
  • The gut mycobiota of rural and urban individuals is shaped by geography 
    Kabwe, Mubanga Helen; Vikram, Surendra; Mulaudzi, Khodani; Jansson, Janet K.; Makhalanyane, Thulani P. (BioMed Central, 2020-08-17)
    BACKGROUND : Understanding the structure and drivers of gut microbiota remains a major ecological endeavour. Recent studies have shown that several factors including diet, lifestyle and geography may substantially shape ...
  • Increased temperatures alter viable microbial biomass, ammonia oxidizing bacteria and extracellular enzymatic activities in Antarctic soils 
    Barnard, Sebastian; Van Goethem, Marc W.; De Scally, S.Z. (Storme); Cowan, Don A.; Jansen van Rensburg, Peet; Claassens, Sarina; Makhalanyane, Thulani P. (Oxford University Press, 2020-04)
    The effects of temperature on microorganisms in high latitude regions, and their possible feedbacks in response to change, are unclear. Here, we assess microbial functionality and composition in response to a substantial ...
  • Islands in the sand : are all hypolithic microbial communities the same? 
    Lebre, Pedro H.; Bottos, Eric; Makhalanyane, Thulani P.; Hogg, Ian D.; Cowan, Don A. (Oxford University Press, 2021-01)
    Hypolithic microbial communities (hypolithons) are complex assemblages of phototrophic and heterotrophic organisms associated with the ventral surfaces of translucent minerals embedded in soil surfaces. Past studies on the ...
  • Long-read metagenomics of soil communities reveals phylum-specific secondary metabolite dynamics 
    Van Goethem, Marc W.; Osborn, Andrew R.; Bowen, Benjamin P.; Andeer, Peter F.; Swenson, Tami L.; Clum, Alicia; Riley, Robert; He, Guifen; Koriabine, Maxim; Sandor, Laura; Yan, Mi; Daum, Chris G.; Yoshinaga, Yuko; Makhalanyane, Thulani P.; Garcia-Pichel, Ferran; Visel, Axel; Pennacchio, Len A.; O’Malley, Ronan C.; Northen, Trent R. (Nature Research, 2021-11-18)
    Microbial biosynthetic gene clusters (BGCs) encoding secondary metabolites are thought to impact a plethora of biologically mediated environmental processes, yet their discovery and functional characterization in natural ...
  • Metagenomic analysis provides insights into functional capacity in a hyperarid desert soil niche community 
    Vikram, Surendra; Guerrero, Leandro D.; Makhalanyane, Thulani P.; Le, Phuong T.; Seely, Mary; Cowan, Don A. (Wiley, 2016-06)
    Environmental stressors such as low water activity and temperature extremes impose severe limitations on the productivity of soils in hyperarid deserts. In such ecosystems, macroscopic communities are often restricted ...
  • Metagenomics of extreme environments 
    Cowan, Don A.; Ramond, Jean-Baptiste; Makhalanyane, Thulani P.; De Maayer, Pieter (Elsevier, 2015-06)
    Whether they are exposed to extremes of heat, cold, or buried deep beneath the Earth‟s surface, microorganisms have an uncanny ability to survive under these conditions. This ability to survive has fascinated scientists ...
  • Microbial anhydrobiosis 
    Bosch, Jason; Varliero, Gilda; Hallsworth, John E.; Dallas, Tiffany D.; Hopkins, David; Frey, Beat; Kong, Weidong; Lebre, Pedro H.; Makhalanyane, Thulani P.; Cowan, Don A. (Wiley, 2021-11)
    The loss of cellular water (desiccation) and the resulting low cytosolic water activity are major stress factors for life. Numerous prokaryotic and eukaryotic taxa have evolved molecular and physiological adaptions to ...
  • Microbial diversity and functional capacity in polar soils 
    Makhalanyane, Thulani P.; Van Goethem, Marc W.; Cowan, Don A. (Elsevier, 2016-04)
    Global change is disproportionately affecting cold environments (polar and high elevation regions), with potentially negative impacts on microbial diversity and functional processes. In most cold environments the combination ...
  • Microbial ecology and biogeochemistry of continental Antarctic soils 
    Cowan, Don A.; Makhalanyane, Thulani P.; Dennis, Paul G.; Hopkins, David W. (Frontiers Research Foundation, 2014-04)
    The Antarctica Dry Valleys are regarded as the coldest hyperarid desert system on Earth. While a wide variety of environmental stressors including very low minimum temperatures, frequent freeze-thaw cycles and low water ...
  • Microbial ecology of hot desert edaphic systems 
    Makhalanyane, Thulani P.; Valverde, Angel; Gunnigle, Eoin; Frossard, Aline; Ramond, Jean-Baptiste; Cowan, Don A. (Oxford University Press, 2015-03)
    A significant proportion of the Earth's surface is desert or in the process of desertification. The extreme environmental conditions that characterize these areas result in a surface that is essentially barren, with a ...