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001014222 1001_ $$0P:(DE-Juel1)184779$$aHelm, Tabea$$b0$$ufzj
001014222 245__ $$aIntroducing molasses as an alternative feedstock into itaconate production using Ustilago sp
001014222 260__ $$aNew York, NY [u.a.]$$bElsevier$$c2023
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001014222 520__ $$aIn this work, we established an efficient process for the production of itaconate from the regionally sourced industrial side-stream molasses using Ustilago cynodontis and Ustilago maydis. While being relatively cheap and more environmentally friendly than refined sugars, there are some major challenges to overcome when working with molasses. Some of those challenges are a high nitrogen load, unknown impurities in the feedstock, and high amounts of ill-favoured carbon sources, such as sucrose or lactate. We could show that the activity of the sucrose-hydrolysing enzyme invertase plays a crucial role in the efficiency of the process and that the fructose utilisation differs between the two strains used in this work. Thus, with a higher invertase activity, the ability to convert fructose into the desired product itaconate, and an overall higher tolerance towards undesired substances in molasses, U. maydis is better equipped for the process on the alternative feedstock molasses than U. cynodontis. The established process with U. maydis reached competitive yields of up to 0.38 g g−1 and a titre of more than 37 g L−1. This shows that an efficient and cost-effective itaconate production process is generally feasible using U. maydis, which has the potential to greatly increase the sustainability of industrial itaconate production.
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001014222 7001_ $$0P:(DE-HGF)0$$aNiehoff, Paul-Joachim$$b1
001014222 7001_ $$0P:(DE-Juel1)129023$$aGätgens, Jochem$$b2$$ufzj
001014222 7001_ $$0P:(DE-Juel1)191554$$aStausberg, Thilo$$b3
001014222 7001_ $$0P:(DE-Juel1)187378$$aPichler, Bernadette$$b4
001014222 7001_ $$0P:(DE-HGF)0$$aHäßler, Thomas$$b5
001014222 7001_ $$0P:(DE-Juel1)129076$$aWiechert, Wolfgang$$b6$$ufzj
001014222 7001_ $$0P:(DE-HGF)0$$aBüchs, Jochen$$b7
001014222 7001_ $$0P:(DE-Juel1)176653$$aWierckx, Nick$$b8$$ufzj
001014222 7001_ $$0P:(DE-Juel1)129050$$aNoack, Stephan$$b9$$eCorresponding author
001014222 773__ $$0PERI:(DE-600)2400836-9$$a10.1016/j.nbt.2023.06.003$$gVol. 77, p. 30 - 39$$p30 - 39$$tNew biotechnology$$v77$$x1871-6784$$y2023
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