2020
DOI: 10.3390/ijms21197313
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Reproductive Potential of Yeast Cells Depends on Overall Action of Interconnected Changes in Central Carbon Metabolism, Cellular Biosynthetic Capacity, and Proteostasis

Abstract: Carbon metabolism is a crucial aspect of cell life. Glucose, as the primary source of energy and carbon skeleton, determines the type of cell metabolism and biosynthetic capabilities, which, through the regulation of cell size, may affect the reproductive capacity of the yeast cell. Calorie restriction is considered as the most effective way to improve cellular physiological capacity, and its molecular mechanisms are complex and include several nutrient signaling pathways. It is widely assumed that the metabol… Show more

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Cited by 13 publications
(9 citation statements)
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“…This is because the glyoxylate pathway is a faster pathway for oxaloacetate production than the TCA cycle, which is conducive to synthesizing amino acids of the aspartate family, such as aspartic acid, asparagine, threonine, methionine, and lysine (Figure 3 ). To assimilate inorganic nitrogen, yeast also needs to constantly synthesize carbon skeletons that are mainly from the intermediates of sugar metabolism (Maslanka & Zadrag‐Tecza, 2020 ). Therefore, it is reasonable that PCK1 , a key enzyme for sugar gluconeogenesis, is the most significantly upregulated gene in the KM234 strain at high temperatures.…”
Section: Discussionmentioning
confidence: 99%
“…This is because the glyoxylate pathway is a faster pathway for oxaloacetate production than the TCA cycle, which is conducive to synthesizing amino acids of the aspartate family, such as aspartic acid, asparagine, threonine, methionine, and lysine (Figure 3 ). To assimilate inorganic nitrogen, yeast also needs to constantly synthesize carbon skeletons that are mainly from the intermediates of sugar metabolism (Maslanka & Zadrag‐Tecza, 2020 ). Therefore, it is reasonable that PCK1 , a key enzyme for sugar gluconeogenesis, is the most significantly upregulated gene in the KM234 strain at high temperatures.…”
Section: Discussionmentioning
confidence: 99%
“…A jak pokazują ostatnie badania delecja genu HXK2 w komórkach drożdży generuje szeroki zakres zmian metabolicznych skutkujący m.in. obniżeniem ogólnych możliwości biosyntetycznych komórki, ale jednocześnie lepszą proteostazą i zwiększonym potencjałem reprodukcyjnym komórek [51].…”
Section: Drożdże Jako Komórkowy Model W Analizach Restrykcji Kaloryczunclassified
“…metabolic flux) z gli- kolizy w kierunku oddychania tlenowego, na co wskazuje m.in. wyższy poziomom ATP notowany w tych warunkach [48,51]. Dane te są zgodne z wynikami prezentującymi związek pomiędzy zwiększeniem długości życia w warunkach restrykcji kalorycznej a zwiększonym oddychaniem tlenowym [40,45].…”
Section: Zależne Od Glukozy Drogi Przekierowania Metabolicznegounclassified
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