Soil microorganisms play the important role in driving biogeochemical cycles. However, it is still unclear on soil microbial community characteristics and mechanism rhizosphere bulk soils of different halophyte species. In this study, we analyzed bacterial communities three typical halophytes Yellow River Delta, i.e., Phragmites communis , Suaeda salsa Aeluropus sinensis by high-throughput sequ...

Abscisic acid (ABA) is a stress signal, which moves in the xylem from the roots to the aerial parts of the plant, where it regulates stomatal movement and the activity of shoot meristems. Root growth-promoting microorganisms in the rhizosphere, lateral ABA flows in the root cortex across apoplastic barriers, ABA redistribution in the stem, leaf apoplastic pH values, and the action of beta-gluco...

The microorganisms inhabiting soil perform unique functions in the growth and development of plants. However, little is known about how plant health status affects their potential functions. We examined functional diversity microbiome rhizosphere powdery mildew diseased healthy tomato plants alongside bulk soils South Africa's Northwest Province employing a shotgun metagenomics approach. envisa...

Interactions between plants and microorganisms in the rhizosphere are complex and varied. They include the general transfer of nutrients and specific interactions mediated by the release of signalling molecules from plant roots. Until recently, understanding the nature of these interactions was limited by a reliance on traditional, cultivation-based techniques. Stable isotope probing provides t...

Experimental studies investigated the effects of transgenic crops on the structure, function and diversity of soil and rhizosphere microbial communities playing key roles in belowground environments. Here we review available data on direct, indirect and pleiotropic effects of engineered plants on soil microbiota, considering both the technology and the genetic construct utilized. Plants modifie...

Natural antibiotics are thought to function in the defense, fitness, competitiveness, biocontrol activity, communication, and gene regulation of microorganisms. However, the scale and quantitative aspects of antibiotic production in natural settings are poorly understood. We addressed these fundamental questions by assessing the geographic distribution of indigenous phenazine-producing (Phz(+))...

Abstract Aims Soil organic carbon (C) efflux is tightly linked to the rhizosphere, where soil microorganisms rapidly decompose compounds released from roots. Recently, imaging approaches have greatly improved our understanding of small-scale C-turnover heterogeneity and promoted term ‘rhizosphere hotspots’ for highly active areas. However, despite often assumed, effect these hotspots on total C...

Bacteria of the genus Azospirillum are among the most studied bacteria, stimulating the growth of plants and capable of associative interaction with many higher plants. They have a high adaptive potential to the negative external influences, like the lack of nutrients, salinity, lack of moisture. Compared with other rhizosphere microorganisms, Azospirillum have sufficiently high resistance to h...

Community shifts and carbon translocation within metabolically-active rhizosphere microorganisms in grasslands under elevated CO2 K. Denef, H. Bubenheim, K. Lenhart, J. Vermeulen, O. Van Cleemput, P. Boeckx, and C. Müller Laboratory of Applied Physical Chemistry, Ghent University, Coupure Links 653, 9000 Gent, Belgium Justus-Liebig-University Gießen, Heinrich-Buff-Ring 26-32, 35392 Gießen, Germ...