Sentence examples for microorganisms were present from inspiring English sources

The aim of this study was to determine what microorganisms were present in the root canals of the teeth with failed endodontic therapy.

Microbial persistence and impaired response to treatment (treatment failure and relapse) were more frequent when multidrug-resistant microorganisms were present in ETT biofilm.

Microorganisms isolated from the necrosis are listed in Table 2. Gram-negative and Gram-positive microorganisms were present in comparable numbers (38.9%); seven patients had fungal infections at the first operation.

During operation the MEC produced 0.63 m H2 m−3 cathode liquid volume per day or 0.63 × 10−3 m H2 m−2 electrode surface per day at an applied voltage of −0.7 V vs. SHE, and scanning electron microscopic imaging showed that after more than 80 days of operation, microorganisms were present and attached to the electrode felt fibers (Rozendal et al. 2008).

It has recently been shown that fossilized microorganisms are present in subseafloor basalts.

Also, if microorganisms are present, what species are there, what might be their ecological significance, are they viable and do they pose a biosecurity risk?

Microorganisms are present on the upper layer of biofilms and actively dividing compared to microbes in proximity to the surface and also differ in metabolism.

The lack of any observed polythionate species at the Richmond Mine suggests that either pyrite does not oxidize through this pathway, or that microorganisms are present which are able to quickly oxidize the species.

The structure (what types of microorganisms are present) and function (what can the organisms do and at what rates) of this community are determined by external physico-chemical features and by the influent to the sewage treatment plant.

Because microorganisms are present in groundwater, and because some proposed schemes for phosphate mineral precipitation rely on stimulation of native microbial populations, we also tested the effect of bacterial cells (initial densities of 105 and 107 mL-1) added to the precipitation medium.

For example, the gene encoding the biofilm-associated protein (Bap), a surface protein implicated in formation of aggregates of microorganisms, is present in S. aureus that have been isolated from chronic bovine mastitis infections, and is thought to be acquired by HGT, since it is shared by other causative agents of mastitis [17].