Results 111 to 120 of about 1,458,495 (316)

A presentation of the mapping of class groups [PDF]

Mathematical Research Letters, 1997
Using the works of Gervais, Harer, Hatcher and Thurston and others, we show that the mapping class group of a compact orientable surface has a presentation so that the generators are the set of all Dehn twists and the relations are supported in subsurfaces homeomorphic to the one-holed torus or the four-holed sphere. It turns out that all the relations
openaire   +3 more sources

PARTITION FUNCTIONS, MAPPING CLASS GROUPS AND DRINFELD DOUBLES

, 2012
Higher genus partition functions of two-dimensional conformal field theories have to be invariants under linear actions of mapping class groups. We illustrate recent results [4,6] on the construction of such invariants by concrete expressions obtained ...
CHRISTOPH SCHWEIGERT, Stigner, Carl,, JÜRGEN FUCHS, Fjelstad, Jens,, Schweigert, Christoph,, CARL STIGNER, Fuchs, Jürgen,, JENS FJELSTAD   +7 more
core   +1 more source

Tau acetylation at K331 has limited impact on tau pathology in vivo

FEBS Letters, EarlyView.
We mapped tau post‐translational modifications in humanized MAPT knock‐in mice and in amyloid‐bearing double knock‐in mice. Acetylation within the repeat domain, particularly around K331, showed modest increases under amyloid pathology. To test functional relevance, we generated MAPTK331Q knock‐in mice.
Shoko Hashimoto, Yukio Matsuba, Mika Takahashi, Takaomi C. Saido   +3 more
wiley   +1 more source

Structural insights into an engineered feruloyl esterase with improved MHET degrading properties

FEBS Letters, EarlyView.
A feruloyl esterase was engineered to mimic key features of MHETase, enhancing the degradation of PET oligomers. Structural and computational analysis reveal how a point mutation stabilizes the active site and reshapes the binding cleft, expading substrate scope.
Panagiota Karampa, Konstantinos Makryniotis, Theofani‐Iosifina Sousani, Evangelos Topakas, Vangelis Daskalakis, Maria Dimarogona   +5 more
wiley   +1 more source

Gut microbiome and aging—A dynamic interplay of microbes, metabolites, and the immune system

FEBS Letters, EarlyView.
Age‐dependent shifts in microbial communities engender shifts in microbial metabolite profiles. These in turn drive shifts in barrier surface permeability of the gut and brain and induce immune activation. When paired with preexisting age‐related chronic inflammation this increases the risk of neuroinflammation and neurodegenerative diseases.
Aaron Mehl, Eran Blacher
wiley   +1 more source

CISCS: Classification of inter-class similarity based medicinal plant species groups with machine learning

MethodsX
The reliable classification of medicinal plant species plays a vital role in ensuring their quality, authenticity, and safe use in healthcare. However, existing methods often face difficulties when species exhibit strong visual similarities or when ...
N. Shobha Rani, Bhavya K R, I. Jeena Jacob, Pushpa B. R, Bipin Nair BJ, Akshatha Prabhu   +5 more
doaj   +1 more source

Topics in computational group theory : primitive permutation groups and matrix group normalisers

, 2012
Part I of this thesis presents methods for finding the primitive permutation groups of degree d, where 2500 ≤ d < 4096, using the O'Nan-Scott Theorem and Aschbacher's theorem. Tables of the groups G are given for each O'Nan-Scott class.
Coutts, Hannah Jane
core  

Unification and equation solving in nilpotent groups and monoids [PDF]

, 1991
Unification and equation solving have been considered for groups [44], semigroups [43], abelian groups [39] and abelian semigroups [25], [33], [68], [69]. In this thesis we consider partially commutative groups and monoids. Nilpotency provides us with a
Burke, Edmund Kieran, Burke, E.K
core  

The ubiquitin ligase RNF115 is required for the clearance of damaged lysosomes

FEBS Letters, EarlyView.
Upon lysosomal rupture, an E3 ubiquitin ligase RNF115 translocates from the cytosol to the damaged lysosomal membrane. Moreover, RNF115 depletion impairs the clearance of damaged lysosomes, identifying it as a key regulator of lysosomal quality control.
Sae Nakanaga, Toshiki Takahashi, Akiko Kuma, Hiroyuki Kawahara   +3 more
wiley   +1 more source

Health lifestyles of six Zhiguo ethnic groups in China: a latent class analysis

BMC Public Health
Background Zhiguo ethnic groups, commonly known as “the directly-entering-socialism ethnic groups”, represent Chinese ethnic minorities who have undergone a unique social development trajectory by transforming directly from primitive societies to the ...
Kaiwen Wu, Jie Chen, Yan Xiao, Chaofang Yan, Xiaoju Li, Yuan Huang, Rui Deng   +6 more
doaj   +1 more source