Results 91 to 100 of about 1,325,838 (268)

Phosphatidylinositol 4‐kinase as a target of pathogens—friend or foe?

open access: yesFEBS Letters, EarlyView.
This graphical summary illustrates the roles of phosphatidylinositol 4‐kinases (PI4Ks). PI4Ks regulate key cellular processes and can be hijacked by pathogens, such as viruses, bacteria and parasites, to support their intracellular replication. Their dual role as essential host enzymes and pathogen cofactors makes them promising drug targets.
Ana C. Mendes   +3 more
wiley   +1 more source

GEDI: a user-friendly toolbox for analysis of large-scale gene expression data

open access: yesBMC Bioinformatics, 2007
Background Several mathematical and statistical methods have been proposed in the last few years to analyze microarray data. Most of those methods involve complicated formulas, and software implementations that require advanced computer programming ...
Ferreira Carlos E   +3 more
doaj   +1 more source

Facial Feature Tracking and Occlusion Recovery in American Sign Language [PDF]

open access: yes, 1997
Facial features play an important role in expressing grammatical information in signed languages, including American Sign Language(ASL). Gestures such as raising or furrowing the eyebrows are key indicators of constructions such as yes-no questions ...
Castelli, Thomas J.   +2 more
core  

Structural insights into lacto‐N‐biose I recognition by a family 32 carbohydrate‐binding module from Bifidobacterium bifidum

open access: yesFEBS Letters, EarlyView.
Bifidobacterium bifidum establishes symbiosis with infants by metabolizing lacto‐N‐biose I (LNB) from human milk oligosaccharides (HMOs). The extracellular multidomain enzyme LnbB drives this process, releasing LNB via its catalytic glycoside hydrolase family 20 (GH20) lacto‐N‐biosidase domain.
Xinzhe Zhang   +5 more
wiley   +1 more source

Solving the boolean satisfiability problem using multilevel techniques [PDF]

open access: yes, 2011
There are many complex problems in computer science that occur in knowledge-representation (artificial thinking), artificial learning, Very Large Scale Integration (VLSI) design, security protocols and other areas.
Salih, Sirar, Song, Yujie
core  

The Caenorhabditis elegans DPF‐3 and human DPP4 have tripeptidyl peptidase activity

open access: yesFEBS Letters, EarlyView.
The dipeptidyl peptidase IV (DPPIV) family comprises serine proteases classically defined by their ability to remove dipeptides from the N‐termini of substrates, a feature that gave the family its name. Here, we report the discovery of a previously unrecognized tripeptidyl peptidase activity in DPPIV family members from two different species.
Aditya Trivedi, Rajani Kanth Gudipati
wiley   +1 more source

The inhibitory SAPS3–AMPK interaction detected in HEK293 cells is not detectable in muscle or liver from humans or mice

open access: yesFEBS Letters, EarlyView.
This study challenges the idea that Sit4‐associated protein subunit 3 (SAPS3) inhibits the energy‐sensing enzyme AMP‐activated protein kinase (AMPK) in muscle and liver tissue. Although SAPS3 interacts with AMPK in cultured cells, we found no such interaction in human or mouse tissues subjected to fasting, exercise, or a high‐fat diet.
Jesper B. Birk   +3 more
wiley   +1 more source

Cultural References And Metaphors In Programming: The Symbolic Significance Of Variable Names And Comments In Code

open access: yesThe Journal of Studies in Language, Culture and Society
This paper investigates the symbolic significance of cultural references and metaphors in programming, focusing on their use in variable names and code comments.
Selma Mokrani
doaj  

Learning by Seeing by Doing: Arithmetic Word Problems [PDF]

open access: yes, 2004
Learning by doing in pursuit of real-world goals has received much attention from education researchers but has been unevenly supported by mathematics education software at the elementary level, particularly as it involves arithmetic word problems.
LeBlanc, Mark D., Russell, Sylvia Weber
core   +1 more source

Molecular bases of circadian magnesium rhythms across eukaryotes

open access: yesFEBS Letters, EarlyView.
Circadian rhythms in intracellular [Mg2+] exist across eukaryotic kingdoms. Central roles for Mg2+ in metabolism suggest that Mg2+ rhythms could regulate daily cellular energy and metabolism. In this Perspective paper, we propose that ancestral prokaryotic transport proteins could be responsible for mediating Mg2+ rhythms and posit a feedback model ...
Helen K. Feord, Gerben van Ooijen
wiley   +1 more source

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