The Maize Rhizosphere and its Property Effects on acdS gene Carrying Bacteria

A representation of the abundance of acdS sequences relative to sampling depths (D1, D2, and D3), soil type, root hair presence (WT+, and RTH-). Figure taken from Gebauer et al. (2021).

 

This study which aims to explore the association between the composition of acdS gene carrying bacteria and the presence of root hairs and soil texture was undertaken by researchers Gebauer and colleagues based in Germany. This study can be broadened as one that explores the spatiotemporal organization of the Maize rhizosphere. The rhizosphere is the region of soil in proximity with plant roots so its study and importance is often associated with this characteristic. As such, these researchers investigated the effect of plant root hairs and soil texture on acdS gene carrying bacterial populations. These acdS toting bacteria are of great importance to soil activity and associated plant health as these microbes can directly improve nutrient and water uptake through the roots. According to the researchers, soil texture within this maize rhizosphere was the main factor influencing the composition of acdS gene carrying bacterial populations followed by the presence/absence of plant root hairs. Ultimately, this research lends evidence to the case that the spatial distribution of acdS microorganisms is a vital variable in plant-microbe interactions.

 

Original Article:

Gebauer L., Bouffaud M-L., Ganther M., Yim B., Vetterlein D., Smalla K., Buscot F., Heintz-Buschart A., & Tarkka M. T. (2021). Soil Texture, Sampling Depth and Root Hairs Shape the Structure of ACC Deaminase Bacterial Community Composition in Maize Rhizosphere. Front Microbiol 12:128-140.