Results 91 to 100 of about 604,484 (380)

Role of L-Threonine Deaminase and L-Threonine 3-Dehydrogenase in the Utilization of L-Threonine by Pseudomonas aeruginosa

open access: yesMicrobiology, 1980
Mutants of Pseudomonas aeruginosa PAC1 which could grow on L-threonine were isolated. These mutants, like the parent strain, synthesized a biosynthetic threonine deaminase, but its apparent Km value for threonine was higher than that of the enzyme from strain PAC1. These mutants also synthesized an inducible NAD-dependent threonine dehydrogenase, which
V. M. S. Lam, Y. G. Yeung, I. P. R. Chan
openaire   +3 more sources

Threonine aldolases: perspectives in engineering and screening the enzymes with enhanced substrate and stereo specificities

open access: yesApplied Microbiology and Biotechnology, 2016
Threonine aldolases have emerged as a powerful tool for asymmetric carbon-carbon bond formation. These enzymes catalyse the unnatural aldol condensation of different aldehydes and glycine to produce highly valuable β-hydroxy-α-amino acids with complete ...
Kateryna Fesko
semanticscholar   +1 more source

BMP antagonist CHRDL2 enhances the cancer stem‐cell phenotype and increases chemotherapy resistance in colorectal cancer

open access: yesMolecular Oncology, EarlyView.
Overexpression of CHRDL2 in colon cancer cells makes them more stem‐like and resistant to chemo‐ and radiotherapy. CHRDL2‐high cells have upregulation of the WNT pathway, genes involved in the DNA damage response (DDR) pathway and epithelial‐to‐mesenchymal transition (EMT). This leads to quicker repair of damaged DNA and more cell migration.
Eloise Clarkson, Annabelle Lewis
wiley   +1 more source

Threonine Phosphorylation and the Yin and Yang of STAT1: Phosphorylation-Dependent Spectrum of STAT1 Functionality in Inflammatory Contexts

open access: yesCells
Threonine phosphorylation promotes inflammatory functions of STAT1 while restricting its interferon (IFN) signaling in innate immune responses. However, it remains unclear whether the restriction of STAT1-mediated IFN signaling conferred by threonine ...
Maha M. Elbrashy   +3 more
doaj   +1 more source

Effect of different threonine to lysine (threonine/lysine) ratios on growth performance and carcass composition in growth-finishing swine

open access: yes浙江大学学报. 农业与生命科学版, 2003
Ninety-six Duroc-Landrace-Yorkshire piglets which weighed about 28kg were randomly divided into four groups to be used in studying the different ratios of threonine to lysine (0.62, 0.67, 0.72 and 0.78) on growth performance and carcass composition in ...
FENG Jie, XU Zi-rong
doaj   +1 more source

Improving protein content and quality by over-expressing artificially synthetic fusion proteins with high lysine and threonine constituent in rice plants

open access: yesScientific Reports, 2016
Rice grains are rich in starch but low in protein with very low level of both lysine and threonine. Thus, it is important to further improve protein quality and quantity, especially to increase lysine and threonine content in rice grains. We artificially
Shuye Jiang   +3 more
semanticscholar   +1 more source

Integrative miRNOMe profiling reveals the miR‐195‐5p–CHEK1 axis and its impact on luminal breast cancer outcomes

open access: yesMolecular Oncology, EarlyView.
In luminal (ER+) breast carcinoma (BC), miRNA profiling identified miR‐195‐5p as a key regulator of proliferation that targets CHEK1, CDC25A, and CCNE1. High CHEK1 expression correlates with worse relapse‐free survival after chemotherapy, especially in patients with luminal A subtype.
Veronika Boušková   +14 more
wiley   +1 more source

Overproduction of threonine by Saccharomyces cerevisiae mutants resistant to hydroxynorvaline [PDF]

open access: yes, 1992
In this work, we isolated and characterized mutants that overproduce threonine from Saccharomyces cerevisiae. The mutants were selected for resistance to the threonine analog a-amino-13-hydroxynorvalerate (hydroxynorvaline), and,
López Calderón, Isabel   +1 more
core   +1 more source

Identification of sites phosphorylated by the vaccinia virus B1R kinase in viral protein H5R [PDF]

open access: yes, 2000
Background: Vaccinia virus gene B1R encodes a erine/threonine protein kinase. In vitro this protein kinase phosphorylates ribosomal proteins Sa and S2 and vaccinia virus protein H5R, proteins that become phosphorylated during infection.
Beaud, G.   +4 more
core   +3 more sources

Unveiling unique protein and phosphorylation signatures in lung adenocarcinomas with and without ALK, EGFR, and KRAS genetic alterations

open access: yesMolecular Oncology, EarlyView.
Proteomic and phosphoproteomic analyses were performed on lung adenocarcinoma (LUAD) tumors with EGFR, KRAS, or EML4–ALK alterations and wild‐type cases. Distinct protein expression and phosphorylation patterns were identified, especially in EGFR‐mutated tumors. Key altered pathways included vesicle transport and RNA splicing.
Fanni Bugyi   +12 more
wiley   +1 more source

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