The rhizobiome of herbaceous plants in Clovelly and Sterkspruit soils of the Stevenson–Hamilton supersite

Biotic and abiotic connections on a granitic catena: Framework for multidisciplinary research

“…Actinobacteria and Proteobacteria were the most dominant phyla in all rhizobiomes. Unique and shared operational taxonomic units were also identified in all the rhizobiomes (Vermeulen et al 2020). Soil type and plant species play an important role in shaping the rhizosphere as unique operational taxonomic units were observed in all rhizospheres.…”

“…small ephemeral pans, animal-created wallows and other vernal pools) sustained by hillslope interflow were sampled for small aquatic organisms and their resting stages, while soil samples were taken of mud in depressions, of soils in the belt transect on the catena, and of soil associated with plant roots. Next-generation sequencing and isolations were used to explore potential differences in fungal (Gryzenhout et al 2020) and bacterial communities (Vermeulen, Cason & Swart 2020) Extreme drought conditions coincided with the study period during one of the strongest El Niño southern oscillations in the historical record (Hu & Fedorov 2017;Malherbe et al 2020;Swemmer et al 2018) (Janecke 2020, Janecke & Bolton 2020.…”

“…On a microscale the different ecotypes and soil conditions influence microbial communities in the rhizospheres of associated plants. Although the same plants may occur across vegetation zones, the microbes associated with the rhizospheres differ because of chemical differences (Vermeulen et al 2020). Bacterial and fungal diversity of the rhizospheres of three species of herbaceous plants (Kyphocarpa angustifolia, Melhania acuminata and Sida cordifolia) growing mutually in two different soil types (Clovelly and Sterkspruit -Figure 3) of the catenal supersite was studied (Gryzenhout et al 2020.…”

“…Bacterial and fungal diversity of the rhizospheres of three species of herbaceous plants (Kyphocarpa angustifolia, Melhania acuminata and Sida cordifolia) growing mutually in two different soil types (Clovelly and Sterkspruit -Figure 3) of the catenal supersite was studied (Gryzenhout et al 2020. Carbon source utilisation patterns of bacteria in the rhizospheres of these plants were assessed in addition to Illumina sequencing of the 16s rRNA (V3 and V4 region), which was used to characterise the rhizobiome (Vermeulen et al 2020) rhizobiomes based on carbon source utilisation of bacteria. Actinobacteria and Proteobacteria were the most dominant phyla in all rhizobiomes.…”

Connections between abiotic and biotic components of a granite catena ecosystem in Kruger National Park

“…The next article deals with the microbiome of the root zone (rhizosphere) of three plant species growing in different positions on the catena (Vermeulen, Cason & Swart 2020).…”