Sentence examples for an external nitrogen source from inspiring English sources

Sweet sorghum stalks were capable of fully supporting yeast growth without any need for an external nitrogen source.

It was found that addition of an external nitrogen source had a negative impact on single cell oil (SCO) production yields, which has a positive effect on the process economics.

To investigate if an external nitrogen source has any effect on the activation of AlaAT during waterlogging, we investigated the expression and activity of AlaAT in plants that received various nitrogen supplements (Fig.  4).

Furthermore, these authors have also reported an ethanol concentration of up to 22 g/L when laccase-treated slurries were fermented with the xylose-fermenting S. cerevisiae F12 strain, even in the absence of an external nitrogen source [ 24].

Upon waterlogging, AlaAT activity (E.C.2.6.1.2) in roots of both nodulated and non-nodulated plants increased two times in the absence of any external nitrogen source, whereas in the presence of NO3− an increase of 2.7 times was observed, and after NH4+ was supplied AlaAT activity increased by 3.8 times (Fig.  4e).

However, under low nitrogen availability (in the form of nitrate or ammonium) the ability to fix nitrogen by the rhizobium allows for plant growth even without any external nitrogen source present.

It has been noted that addition of external nitrogen source could enhance bacterial growth and synthesis of hydrogenase (Argun et al. 2008).

The glutamate or proline in our experimental media provides the sole external nitrogen source.

The extent of biochar C stability after soil amendment and efficiency in reducing N2O emissions from an external nitrogen (N) source were accessed through laboratory incubations.

Additionally, legumes can fix nitrogen with rhizobia in soil, and the plants do not require external nitrogen sources such as nitrogen fertilizers [ 2].

As discussed above, because we used wild-type prototroph cells, glutamate and proline acted as sole external nitrogen sources in our nitrogen stress experiments.