Results 281 to 290 of about 2,026,427 (351)

FIGURE 16 in Color polymorphism, taxonomic confusion and cryptic diversity in the kukri snake Oligodon albocinctus (Cantor, 1839) (Squamata: Colubridae)

Lee, Justin L., Yushchenko, Platon V., Pal, Saunak, Vogel, Gernot, Poyarkov, Nikolay A., Bauer, Aaron M.   +5 more
openalex   +1 more source

SIRT4 positively regulates autophagy via ULK1, but independently of HDAC6 and OPA1

FEBS Open Bio, EarlyView.
Cells expressing SIRT4 (H161Y), a catalytically inactive mutant of the sirtuin SIRT4, fail to upregulate LC3B‐II and exhibit a reduced autophagic flux under stress conditions. Interestingly, SIRT4(H161Y) promotes phosphorylation of ULK1 at S638 and S758 that are associated with inhibition of autophagy initiation.
Isabell Lehmkuhl, Khawar Amin, Lydia Gabriel, Nils Hampel, Afshin Iram, Julia Hesse, Constanze Wiek, Jasmin Thuy Vy Nguyen, Helmut Hanenberg, Jürgen Scheller, M. Reza Ahmadian, Björn Stork, Doreen M. Floss, Roland P. Piekorz   +13 more
wiley   +1 more source

Taxonomic implication of nut diversity in selected Cyperaceae species of Pakistan

openalex   +1 more source

Metformin promotes mitochondrial integrity through AMPK‐signaling in Leber's hereditary optic neuropathy

FEBS Open Bio, EarlyView.
Metformin mediates mitochondrial quality control in Leber's hereditary optic neuropathy (LHON) fibroblasts carrying mtDNA mutations. At therapeutic levels, metformin activates AMPK signaling to restore mitochondrial dynamics by promoting fusion and restraining fission, while preserving mitochondrial mass, enhancing autophagy/mitophagy and biogenesis ...
Chatnapa Panusatid, Rapasviranda Soiyangsuk, Maneeluck Tanadjindarat, Chayanon Peerapittayamongkol   +3 more
wiley   +1 more source

DIVERSITY AND DISTRIBUTION OF THE AFROALPINE FLORA OF EASTERN AFRICA WITH SPECIAL REFERENCE TO THE TAXONOMY OF THE GENUS PENTASCHISTIS (POACEAE)

, 2013
Abdikadir Abdi Ahmed
openalex   +1 more source

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Coupling of taxonomic diversity and morphological disparity in Devonian trilobites?

Historical Biology, 2023
Morphological disparity and taxonomic richness are two major aspects of evolution used to understand biodiversity changes. These metrics are often decoupled in time, particularly during the early history of clades.
Valentin Bault, C. Crônier, C. Monnet
semanticscholar   +1 more source

Why constrain hominid taxonomic diversity?

Nature Ecology & Evolution, 2019
J. Schwartz
openaire   +3 more sources

A unifying framework for analyzing temporal changes in functional and taxonomic diversity along disturbance gradients.

Ecology, 2021
Frameworks exclusively considering functional diversity are gaining popularity, as they complement and extend the information provided by taxonomic diversity metrics, particularly in response to disturbance.
Erin I. Larson, N. Poff, W. Funk, Rachel A. Harrington, B. Kondratieff, Scott G. Morton, A. Flecker   +6 more
semanticscholar   +1 more source

Dynamics of taxonomic diversity

Paleobiology, 1980
A general model of taxonomic diversity, incorporating diversity-dependent rates of origination and extinction, is constructed to examine the dynamic responses of diversity to perturbation. The model predicts that the trajectories of diversification increase and decrease are substantially different.
Timothy R. Carr, Jennifer A. Kitchell
openaire   +1 more source