نتایج جستجو برای: k marxianus
تعداد نتایج: 378082 فیلتر نتایج به سال:
Imidazolium ionic liquids (ILs) are promising solvents for lignocellulosic biomass (LCB) pretreatment and allow the achievement of higher ethanolic yields after enzymatic hydrolysis and ethanolic fermentation. However, residual ILs entrapped in pretreated biomass are often toxic for fermentative microorganisms, but interaction mechanisms between ILs and cells are still unknown. Here we studied ...
NADP-dependent glutamate dehydrogenase (NADP-Gdh) is the first step in ammonia assimilation pathway in Saccharomyces cerevisiae and the knowledge of its regulation is the key for many biotechnological purposes such as single cell protein production. The regulation of NADP-Gdh activity in Kluyveromyces marxianus cells was evaluated under different ammonia supply in batch cultivations. The result...
BACKGROUND In spite of its advantageous physiological properties for bioprocess applications, the use of the yeast Kluyveromyces marxianus as a host for heterologous protein production has been very limited, in constrast to its close relative Kluyveromyces lactis. In the present work, the model protein glucose oxidase (GOX) from Aspergillus niger was cloned into K. marxianus CBS 6556 and into K...
Thermally dried thermophilic K. marxianus has proved to be an effective starter culture for whey fermentation. Convective drying of K. marxianus can be performed effectively in the range 35-60 o C. The best drying temperature for is considered 35 o C since it is the most cost effective without any substantial difference in kinetic parameters when compared with higher temperatures. The impact of...
از معایب عمده دوغ که باعث کاهش زمان ماندگاری و بازار پسندی آن می گردد، می توان به تغییر طعم و آروما و همچنین بادکردگی محصول در طول زمان نگهداری آن در اثر فعالیت مخمرها و کپک ها اشاره نمود. با توجه به تمایل مصرف کننده به استفاده کم تر از نگهدارنده های سنتتیک به نظر می رسد که استفاده از متابولیت های گیاهی نظیر اسانس ها و عصاره ها، جایگزین مناسبی برای نگهدارنده های شیمیایی باشد. در این پژوهش از اس...
We determined the genome sequence of a thermotolerant yeast, Kluyveromyces marxianus strain DMB1, isolated from sugarcane bagasse hydrolysate, and the sequence provides further insights into the genomic differences between this strain and other reported K. marxianus strains. The genome described here is composed of 11,165,408 bases and has 4,943 protein-coding genes.
BACKGROUND Ethanol production from non-crop materials, such as Jerusalem artichokes, would make a great contribution to the energy industry. The non-conventional yeast, Kluyveromyces marxianus, is able to carry out ethanol fermentation of sugar molecules obtained from inulin-containing materials by consolidated bioprocessing. Lower inulin concentrations and micro-aeration can lead to a relative...
The yeast Kluyveromyces marxianus presents several interesting features that make this species a promising industrial yeast for the production of several compounds. In order to take full advantage of this yeast and its particular properties, proper tools for gene disruption and metabolic engineering are needed. The Cre-loxP system is a very versatile tool that allows for gene marker rescue, res...
The hypocholesterolemic activities of 81 yeast strains were examined in rats fed a high cholesterol diet (HCD). Male Wistar rats were fed an HCD or an HCD supplemented with 10% yeast for 7 d. It was found that the hypocholesterolemic activities of the yeasts varied remarkably between strains. Kluyveromyces marxianus YIT 8292 exhibited the most potent hypocholesterolemic activity among the yeast...
BACKGROUND The cladodes of Opuntia ficus-indica (prickly pear cactus) have a low protein content; for use as a balanced feed, supplementation with other protein sources is therefore desirable. We investigated protein enrichment by cultivation of the yeasts Candida utilis and Kluyveromyces marxianus in an enzymatic hydrolysate of the cladode biomass. RESULTS Dilute acid pretreatment and enzyma...
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