Results 51 to 60 of about 46,074 (345)

Intra‐ and interspecific variation in trace element concentrations in feathers of north European trans‐African migrants

Journal of Avian Biology, 2023
The knowledge of migratory connectivity is important for understanding the potential drivers of populations and it is thus important for conservation implications.
Nicolas Ordax Sommer, Arto Luttinen, Aleksi Lehikoinen   +2 more
doaj   +1 more source

A forensic approach to understanding habitat use from stable isotope analysis of (avian) claw material [PDF]

, 2003
1. The potential of using stable isotope signatures of avian claws in order to infer diet and habitat use was investigated. 2. Highly significant relationships observed between stable carbon and nitrogen isotope ratios (13C, 15N) in the claws and ...
Bearhop, S, Furness, RW, Hilton, GM, Votier, SC, Waldron, S   +4 more
core   +1 more source

A Lung‐Immune Dual‐Humanized Mouse Using Cryopreserved Tissue Enables Infection and Immune Profiling of Human Common Cold Coronaviruses

Advanced Science, EarlyView.
Cryopreserved lung‐humanized mice overcome the dependency to fresh tissues and permit head‐to‐head profiling of all four human common cold coronaviruses versus SARS‐CoV‐2 infection; the model validates Paxlovid efficacy against HKU1 and, when coupled with human immune‐system engraftment, enables interrogation of lung‐resident human immunity and HKU1 ...
Chunyu Cheng, Jing Sun, Chun Lu, Qian Yu, Yiyun He, Bingqing Wu, Deshan Ren, Shuai Ding, Jincun Zhao, Yan Li   +9 more
wiley   +1 more source

Optimális éves viselkedési modellek: út a fiziológiától a populációkig? = Optimal annual routines: a path from physiology to populations? [PDF]

, 2009
A pályázat fő célja annak kiderítése volt, hogy a különböző állapotváltozók hogyan befolyásolják az optimális viselkedést, speciálisan a hogyan befolyásolják a fő életmenet események időzítését az éves cikluson belül. E cél elérése érdekében több modellt
Alasdair, I. Houston, Barta, Zoltán, McNamara, John M., Pap, Péter László   +3 more
core  

The apterous endemic genus Omphra Dejean (Coleoptera: Carabidae: Helluonini) of the Indian subcontinent : taxonomy with notes on habits and distributional patterns [PDF]

, 2012
Among the four oriental genera of the tribe Helluonini, Omphra Dejean (Coleoptera: Carabidae), is unique for its endemism to the Indian subcontinent and aptery.
Danyang, Zhao, Raj, Shiju T., Sabu, Thomas K.   +2 more
core   +1 more source

MicroRNA‐375‐3p Targets Fatty Acid Synthase and Relish to Regulate Energy Allocation During Pupal Metamorphosis and Starvation

Advanced Science, EarlyView.
During pupal metamorphosis and starvation, elevated 20‐hydroxyecdysone (20E) and suppressed insulin trigger Forkhead box O (FOXO) nuclear translocation, enhancing miR‐375‐3p expression. This downregulates fatty acid synthase (FASN) and Relish, promoting lipid breakdown for energy while prioritizing antioxidant responses over immune functions to support
Peng Chen, Meiqi Cheng, Jianhui Wang, Jing Tang, Xiaoqiao Huang, Yusi Li, Huiling Zhou, Ling Zhang, Yi Dong, Chengjun Li, Bin Li   +10 more
wiley   +1 more source

Age differences in primary moult of the Black-headed Gull Chroicocephalus ridibundus

The European Zoological Journal
Flight feather moult is an energetically expensive stage of the annual cycle of birds. Its timing is adjusted to other important time- and energy-demanding activities, including migration.
W. Meissner, M. Jewuła
doaj   +1 more source

HSP70 Interactome‐Mediated Proteolysis Targeting Chimera (HSP70‐PROTAC) for Ferroptosis‐Driven Cancer Treatment

Advanced Science, EarlyView.
This study reports a novel targeted protein degradation strategy termed “HSP70‐PROTAC” that recruits Hsc70 complex to a target protein for inducing degradation. Among them, GDAz‐3 exhibits effective GPX4 degradation activity via UPS/CMA processes, triggering ferroptosis‐driven anticancer activity in vitro and in vivo.
Jinyun Dong, Yulong Li, Hui Liang, Zumei Wu, Shiqun Wang, Yichao Wang, Jieyu Xu, Yanning Lan, Maohua Cai, Guangzhao Pan, Haiyan Yang, Kai Miao, Zhe‐Sheng Chen, Fangfang Tao, Xuelei Ma, Jiang‐Jiang Qin   +15 more
wiley   +1 more source

Seabird moult timing and duration: Implications for at-sea threat exposure worldwide

Global Ecology and Conservation
Tubenosed seabirds (order procellariforms) are the most threatened bird group. Threats generally act on two distinct elements of their life-history, either breeding at terrestrial colonies, or during the nonbreeding season while at sea foraging and ...
Peter Allen, Anne Peters, Zali Stiefel, Rohan H. Clarke   +3 more
doaj   +1 more source

Age and sex-selective predation moderate the overall impact of predators [PDF]

, 2014
© 2014 The Authors. Journal of Animal Ecology published by John Wiley & Sons Ltd on behalf of British Ecological Society. Acknowledgements: Thanks to J. Reid, S. Redpath, A.
Davison, Martin, Hoy, Sarah R, Lambin, Xavier, Marquiss, Michael, Millon, Alexandre, Petty, Steve J, Whitfield, D Philip   +6 more
core   +5 more sources